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Merge branch 'master' of https://source.denx.de/u-boot/custodians/u-boot-sh

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- RZ/G2L part 1, except for two serial port patches which I had to drop
  as they broke R2Dplus, they will come later via subsequent PR.
This commit is contained in:
Tom Rini 2023-10-17 09:15:56 -04:00
commit e65b5d35c9
39 changed files with 5045 additions and 13 deletions
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3
arch/arm/dts/Makefile
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@ -1130,6 +1130,9 @@ dtb-$(CONFIG_RCAR_GEN4) += \
r8a779f0-spider-u-boot.dtb \
r8a779g0-white-hawk-u-boot.dtb
dtb-$(CONFIG_TARGET_RZG2L) += \
r9a07g044l2-smarc.dts
ifdef CONFIG_RCAR_64
DTC_FLAGS += -R 4 -p 0x1000
endif

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arch/arm/dts/r9a07g044.dtsi Normal file
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File diff suppressed because it is too large Load diff

18
arch/arm/dts/r9a07g044l2-smarc.dts Normal file
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// SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
/*
* Device Tree Source for the RZ/G2L SMARC EVK board
*
* Copyright (C) 2021 Renesas Electronics Corp.
*/
/dts-v1/;
#include "r9a07g044l2.dtsi"
#include "rzg2l-smarc-som.dtsi"
#include "rzg2l-smarc-pinfunction.dtsi"
#include "rz-smarc-common.dtsi"
#include "rzg2l-smarc.dtsi"
/ {
model = "Renesas SMARC EVK based on r9a07g044l2";
compatible = "renesas,smarc-evk", "renesas,r9a07g044l2", "renesas,r9a07g044";
};

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arch/arm/dts/r9a07g044l2.dtsi Normal file
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@ -0,0 +1,13 @@
// SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
/*
* Device Tree Source for the RZ/G2L R9A07G044L2 SoC specific parts
*
* Copyright (C) 2021 Renesas Electronics Corp.
*/
/dts-v1/;
#include "r9a07g044.dtsi"
/ {
compatible = "renesas,r9a07g044l2", "renesas,r9a07g044";
};

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arch/arm/dts/rz-smarc-common.dtsi Normal file
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// SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
/*
* Device Tree Source for the RZ/{G2L,G2LC,V2L} SMARC EVK common parts
*
* Copyright (C) 2022 Renesas Electronics Corp.
*/
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/pinctrl/rzg2l-pinctrl.h>
/*
* SSI-WM8978
*
* This command is required when Playback/Capture
*
* amixer cset name='Left Input Mixer L2 Switch' on
* amixer cset name='Right Input Mixer R2 Switch' on
* amixer cset name='Headphone Playback Volume' 100
* amixer cset name='PCM Volume' 100%
* amixer cset name='Input PGA Volume' 25
*
*/
/ {
aliases {
serial0 = &scif0;
i2c0 = &i2c0;
i2c1 = &i2c1;
};
chosen {
stdout-path = "serial0:115200n8";
};
audio_mclock: audio_mclock {
compatible = "fixed-clock";
#clock-cells = <0>;
clock-frequency = <11289600>;
};
snd_rzg2l: sound {
compatible = "simple-audio-card";
simple-audio-card,format = "i2s";
simple-audio-card,bitclock-master = <&cpu_dai>;
simple-audio-card,frame-master = <&cpu_dai>;
simple-audio-card,mclk-fs = <256>;
simple-audio-card,widgets = "Microphone", "Microphone Jack";
simple-audio-card,routing =
"L2", "Mic Bias",
"R2", "Mic Bias",
"Mic Bias", "Microphone Jack";
cpu_dai: simple-audio-card,cpu {
};
codec_dai: simple-audio-card,codec {
clocks = <&audio_mclock>;
sound-dai = <&wm8978>;
};
};
usb0_vbus_otg: regulator-usb0-vbus-otg {
compatible = "regulator-fixed";
regulator-name = "USB0_VBUS_OTG";
regulator-min-microvolt = <5000000>;
regulator-max-microvolt = <5000000>;
};
vccq_sdhi1: regulator-vccq-sdhi1 {
compatible = "regulator-gpio";
regulator-name = "SDHI1 VccQ";
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <3300000>;
gpios-states = <1>;
states = <3300000 1>, <1800000 0>;
};
};
&audio_clk1{
clock-frequency = <11289600>;
};
&audio_clk2{
clock-frequency = <12288000>;
};
&canfd {
pinctrl-0 = <&can0_pins &can1_pins>;
pinctrl-names = "default";
status = "okay";
channel0 {
status = "okay";
};
channel1 {
status = "okay";
};
};
&ehci0 {
dr_mode = "otg";
status = "okay";
};
&ehci1 {
status = "okay";
};
&hsusb {
dr_mode = "otg";
status = "okay";
};
&i2c0 {
pinctrl-0 = <&i2c0_pins>;
pinctrl-names = "default";
status = "okay";
};
&i2c1 {
pinctrl-0 = <&i2c1_pins>;
pinctrl-names = "default";
status = "okay";
};
&ohci0 {
dr_mode = "otg";
status = "okay";
};
&ohci1 {
status = "okay";
};
&phyrst {
status = "okay";
};
&scif0 {
pinctrl-0 = <&scif0_pins>;
pinctrl-names = "default";
status = "okay";
};
&sdhi1 {
pinctrl-0 = <&sdhi1_pins>;
pinctrl-1 = <&sdhi1_pins_uhs>;
pinctrl-names = "default", "state_uhs";
vmmc-supply = <&reg_3p3v>;
vqmmc-supply = <&vccq_sdhi1>;
bus-width = <4>;
sd-uhs-sdr50;
sd-uhs-sdr104;
status = "okay";
};
&spi1 {
pinctrl-0 = <&spi1_pins>;
pinctrl-names = "default";
status = "okay";
};
&usb2_phy0 {
pinctrl-0 = <&usb0_pins>;
pinctrl-names = "default";
vbus-supply = <&usb0_vbus_otg>;
status = "okay";
};
&usb2_phy1 {
pinctrl-0 = <&usb1_pins>;
pinctrl-names = "default";
status = "okay";
};

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arch/arm/dts/rzg2l-smarc-pinfunction.dtsi Normal file
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// SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
/*
* Device Tree Source for the RZ/{G2L,V2L} SMARC pincontrol parts
*
* Copyright (C) 2021 Renesas Electronics Corp.
*/
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/pinctrl/rzg2l-pinctrl.h>
&pinctrl {
pinctrl-0 = <&sound_clk_pins>;
pinctrl-names = "default";
can0_pins: can0 {
pinmux = <RZG2L_PORT_PINMUX(10, 1, 2)>, /* TX */
<RZG2L_PORT_PINMUX(11, 0, 2)>; /* RX */
};
/* SW7 should be at position 2->3 so that GPIO8_CAN0_STB line is activated */
can0-stb-hog {
gpio-hog;
gpios = <RZG2L_GPIO(42, 2) GPIO_ACTIVE_HIGH>;
output-low;
line-name = "can0_stb";
};
can1_pins: can1 {
pinmux = <RZG2L_PORT_PINMUX(12, 1, 2)>, /* TX */
<RZG2L_PORT_PINMUX(13, 0, 2)>; /* RX */
};
/* SW8 should be at position 2->3 so that GPIO9_CAN1_STB line is activated */
can1-stb-hog {
gpio-hog;
gpios = <RZG2L_GPIO(42, 3) GPIO_ACTIVE_HIGH>;
output-low;
line-name = "can1_stb";
};
i2c0_pins: i2c0 {
pins = "RIIC0_SDA", "RIIC0_SCL";
input-enable;
};
i2c1_pins: i2c1 {
pins = "RIIC1_SDA", "RIIC1_SCL";
input-enable;
};
i2c3_pins: i2c3 {
pinmux = <RZG2L_PORT_PINMUX(18, 0, 3)>, /* SDA */
<RZG2L_PORT_PINMUX(18, 1, 3)>; /* SCL */
};
scif0_pins: scif0 {
pinmux = <RZG2L_PORT_PINMUX(38, 0, 1)>, /* TxD */
<RZG2L_PORT_PINMUX(38, 1, 1)>; /* RxD */
};
scif2_pins: scif2 {
pinmux = <RZG2L_PORT_PINMUX(48, 0, 1)>, /* TxD */
<RZG2L_PORT_PINMUX(48, 1, 1)>, /* RxD */
<RZG2L_PORT_PINMUX(48, 3, 1)>, /* CTS# */
<RZG2L_PORT_PINMUX(48, 4, 1)>; /* RTS# */
};
sd1-pwr-en-hog {
gpio-hog;
gpios = <RZG2L_GPIO(39, 2) GPIO_ACTIVE_HIGH>;
output-high;
line-name = "sd1_pwr_en";
};
sdhi1_pins: sd1 {
sd1_data {
pins = "SD1_DATA0", "SD1_DATA1", "SD1_DATA2", "SD1_DATA3";
power-source = <3300>;
};
sd1_ctrl {
pins = "SD1_CLK", "SD1_CMD";
power-source = <3300>;
};
sd1_mux {
pinmux = <RZG2L_PORT_PINMUX(19, 0, 1)>; /* SD1_CD */
};
};
sdhi1_pins_uhs: sd1_uhs {
sd1_data_uhs {
pins = "SD1_DATA0", "SD1_DATA1", "SD1_DATA2", "SD1_DATA3";
power-source = <1800>;
};
sd1_ctrl_uhs {
pins = "SD1_CLK", "SD1_CMD";
power-source = <1800>;
};
sd1_mux_uhs {
pinmux = <RZG2L_PORT_PINMUX(19, 0, 1)>; /* SD1_CD */
};
};
sound_clk_pins: sound_clk {
pins = "AUDIO_CLK1", "AUDIO_CLK2";
input-enable;
};
spi1_pins: spi1 {
pinmux = <RZG2L_PORT_PINMUX(44, 0, 1)>, /* CK */
<RZG2L_PORT_PINMUX(44, 1, 1)>, /* MOSI */
<RZG2L_PORT_PINMUX(44, 2, 1)>, /* MISO */
<RZG2L_PORT_PINMUX(44, 3, 1)>; /* SSL */
};
ssi0_pins: ssi0 {
pinmux = <RZG2L_PORT_PINMUX(45, 0, 1)>, /* BCK */
<RZG2L_PORT_PINMUX(45, 1, 1)>, /* RCK */
<RZG2L_PORT_PINMUX(45, 2, 1)>, /* TXD */
<RZG2L_PORT_PINMUX(45, 3, 1)>; /* RXD */
};
usb0_pins: usb0 {
pinmux = <RZG2L_PORT_PINMUX(4, 0, 1)>, /* VBUS */
<RZG2L_PORT_PINMUX(5, 0, 1)>, /* OVC */
<RZG2L_PORT_PINMUX(5, 1, 1)>; /* OTG_ID */
};
usb1_pins: usb1 {
pinmux = <RZG2L_PORT_PINMUX(42, 0, 1)>, /* VBUS */
<RZG2L_PORT_PINMUX(42, 1, 1)>; /* OVC */
};
};

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arch/arm/dts/rzg2l-smarc-som.dtsi Normal file
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// SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
/*
* Device Tree Source for the RZ/{G2L,V2L} SMARC SOM common parts
*
* Copyright (C) 2021 Renesas Electronics Corp.
*/
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/interrupt-controller/irqc-rzg2l.h>
#include <dt-bindings/pinctrl/rzg2l-pinctrl.h>
/* SW1[2] should be at position 2/OFF to enable 64 GB eMMC */
#define EMMC 1
/*
* To enable uSD card on CN3,
* SW1[2] should be at position 3/ON.
* Disable eMMC by setting "#define EMMC 0" above.
*/
#define SDHI (!EMMC)
/ {
aliases {
ethernet0 = &eth0;
ethernet1 = &eth1;
};
chosen {
bootargs = "ignore_loglevel rw root=/dev/nfs ip=on";
};
memory@48000000 {
device_type = "memory";
/* first 128MB is reserved for secure area. */
reg = <0x0 0x48000000 0x0 0x78000000>;
};
reg_1p8v: regulator-1p8v {
compatible = "regulator-fixed";
regulator-name = "fixed-1.8V";
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
regulator-boot-on;
regulator-always-on;
};
reg_3p3v: regulator-3p3v {
compatible = "regulator-fixed";
regulator-name = "fixed-3.3V";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
regulator-boot-on;
regulator-always-on;
};
reg_1p1v: regulator-vdd-core {
compatible = "regulator-fixed";
regulator-name = "fixed-1.1V";
regulator-min-microvolt = <1100000>;
regulator-max-microvolt = <1100000>;
regulator-boot-on;
regulator-always-on;
};
vccq_sdhi0: regulator-vccq-sdhi0 {
compatible = "regulator-gpio";
regulator-name = "SDHI0 VccQ";
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <3300000>;
states = <3300000 1>, <1800000 0>;
regulator-boot-on;
gpios = <&pinctrl RZG2L_GPIO(39, 0) GPIO_ACTIVE_HIGH>;
regulator-always-on;
};
};
&adc {
pinctrl-0 = <&adc_pins>;
pinctrl-names = "default";
status = "okay";
/delete-node/ channel@6;
/delete-node/ channel@7;
};
&eth0 {
pinctrl-0 = <&eth0_pins>;
pinctrl-names = "default";
phy-handle = <&phy0>;
phy-mode = "rgmii-id";
status = "okay";
phy0: ethernet-phy@7 {
compatible = "ethernet-phy-id0022.1640",
"ethernet-phy-ieee802.3-c22";
reg = <7>;
interrupt-parent = <&irqc>;
interrupts = <RZG2L_IRQ2 IRQ_TYPE_LEVEL_LOW>;
rxc-skew-psec = <2400>;
txc-skew-psec = <2400>;
rxdv-skew-psec = <0>;
txdv-skew-psec = <0>;
rxd0-skew-psec = <0>;
rxd1-skew-psec = <0>;
rxd2-skew-psec = <0>;
rxd3-skew-psec = <0>;
txd0-skew-psec = <0>;
txd1-skew-psec = <0>;
txd2-skew-psec = <0>;
txd3-skew-psec = <0>;
};
};
&eth1 {
pinctrl-0 = <&eth1_pins>;
pinctrl-names = "default";
phy-handle = <&phy1>;
phy-mode = "rgmii-id";
status = "okay";
phy1: ethernet-phy@7 {
compatible = "ethernet-phy-id0022.1640",
"ethernet-phy-ieee802.3-c22";
reg = <7>;
interrupt-parent = <&irqc>;
interrupts = <RZG2L_IRQ3 IRQ_TYPE_LEVEL_LOW>;
rxc-skew-psec = <2400>;
txc-skew-psec = <2400>;
rxdv-skew-psec = <0>;
txdv-skew-psec = <0>;
rxd0-skew-psec = <0>;
rxd1-skew-psec = <0>;
rxd2-skew-psec = <0>;
rxd3-skew-psec = <0>;
txd0-skew-psec = <0>;
txd1-skew-psec = <0>;
txd2-skew-psec = <0>;
txd3-skew-psec = <0>;
};
};
&extal_clk {
clock-frequency = <24000000>;
};
&gpu {
mali-supply = <&reg_1p1v>;
};
&ostm1 {
status = "okay";
};
&ostm2 {
status = "okay";
};
&pinctrl {
adc_pins: adc {
pinmux = <RZG2L_PORT_PINMUX(9, 0, 2)>; /* ADC_TRG */
};
eth0_pins: eth0 {
pinmux = <RZG2L_PORT_PINMUX(28, 1, 1)>, /* ET0_LINKSTA */
<RZG2L_PORT_PINMUX(27, 1, 1)>, /* ET0_MDC */
<RZG2L_PORT_PINMUX(28, 0, 1)>, /* ET0_MDIO */
<RZG2L_PORT_PINMUX(20, 0, 1)>, /* ET0_TXC */
<RZG2L_PORT_PINMUX(20, 1, 1)>, /* ET0_TX_CTL */
<RZG2L_PORT_PINMUX(20, 2, 1)>, /* ET0_TXD0 */
<RZG2L_PORT_PINMUX(21, 0, 1)>, /* ET0_TXD1 */
<RZG2L_PORT_PINMUX(21, 1, 1)>, /* ET0_TXD2 */
<RZG2L_PORT_PINMUX(22, 0, 1)>, /* ET0_TXD3 */
<RZG2L_PORT_PINMUX(24, 0, 1)>, /* ET0_RXC */
<RZG2L_PORT_PINMUX(24, 1, 1)>, /* ET0_RX_CTL */
<RZG2L_PORT_PINMUX(25, 0, 1)>, /* ET0_RXD0 */
<RZG2L_PORT_PINMUX(25, 1, 1)>, /* ET0_RXD1 */
<RZG2L_PORT_PINMUX(26, 0, 1)>, /* ET0_RXD2 */
<RZG2L_PORT_PINMUX(26, 1, 1)>, /* ET0_RXD3 */
<RZG2L_PORT_PINMUX(1, 0, 1)>; /* IRQ2 */
};
eth1_pins: eth1 {
pinmux = <RZG2L_PORT_PINMUX(37, 2, 1)>, /* ET1_LINKSTA */
<RZG2L_PORT_PINMUX(37, 0, 1)>, /* ET1_MDC */
<RZG2L_PORT_PINMUX(37, 1, 1)>, /* ET1_MDIO */
<RZG2L_PORT_PINMUX(29, 0, 1)>, /* ET1_TXC */
<RZG2L_PORT_PINMUX(29, 1, 1)>, /* ET1_TX_CTL */
<RZG2L_PORT_PINMUX(30, 0, 1)>, /* ET1_TXD0 */
<RZG2L_PORT_PINMUX(30, 1, 1)>, /* ET1_TXD1 */
<RZG2L_PORT_PINMUX(31, 0, 1)>, /* ET1_TXD2 */
<RZG2L_PORT_PINMUX(31, 1, 1)>, /* ET1_TXD3 */
<RZG2L_PORT_PINMUX(33, 1, 1)>, /* ET1_RXC */
<RZG2L_PORT_PINMUX(34, 0, 1)>, /* ET1_RX_CTL */
<RZG2L_PORT_PINMUX(34, 1, 1)>, /* ET1_RXD0 */
<RZG2L_PORT_PINMUX(35, 0, 1)>, /* ET1_RXD1 */
<RZG2L_PORT_PINMUX(35, 1, 1)>, /* ET1_RXD2 */
<RZG2L_PORT_PINMUX(36, 0, 1)>, /* ET1_RXD3 */
<RZG2L_PORT_PINMUX(1, 1, 1)>; /* IRQ3 */
};
gpio-sd0-pwr-en-hog {
gpio-hog;
gpios = <RZG2L_GPIO(4, 1) GPIO_ACTIVE_HIGH>;
output-high;
line-name = "gpio_sd0_pwr_en";
};
qspi0_pins: qspi0 {
qspi0-data {
pins = "QSPI0_IO0", "QSPI0_IO1", "QSPI0_IO2", "QSPI0_IO3";
power-source = <1800>;
};
qspi0-ctrl {
pins = "QSPI0_SPCLK", "QSPI0_SSL", "QSPI_RESET#";
power-source = <1800>;
};
};
/*
* SD0 device selection is XOR between GPIO_SD0_DEV_SEL and SW1[2]
* The below switch logic can be used to select the device between
* eMMC and microSD, after setting GPIO_SD0_DEV_SEL to high in DT.
* SW1[2] should be at position 2/OFF to enable 64 GB eMMC
* SW1[2] should be at position 3/ON to enable uSD card CN3
*/
sd0-dev-sel-hog {
gpio-hog;
gpios = <RZG2L_GPIO(41, 1) GPIO_ACTIVE_HIGH>;
output-high;
line-name = "sd0_dev_sel";
};
sdhi0_emmc_pins: sd0emmc {
sd0_emmc_data {
pins = "SD0_DATA0", "SD0_DATA1", "SD0_DATA2", "SD0_DATA3",
"SD0_DATA4", "SD0_DATA5", "SD0_DATA6", "SD0_DATA7";
power-source = <1800>;
};
sd0_emmc_ctrl {
pins = "SD0_CLK", "SD0_CMD";
power-source = <1800>;
};
sd0_emmc_rst {
pins = "SD0_RST#";
power-source = <1800>;
};
};
sdhi0_pins: sd0 {
sd0_data {
pins = "SD0_DATA0", "SD0_DATA1", "SD0_DATA2", "SD0_DATA3";
power-source = <3300>;
};
sd0_ctrl {
pins = "SD0_CLK", "SD0_CMD";
power-source = <3300>;
};
sd0_mux {
pinmux = <RZG2L_PORT_PINMUX(47, 0, 2)>; /* SD0_CD */
};
};
sdhi0_pins_uhs: sd0_uhs {
sd0_data_uhs {
pins = "SD0_DATA0", "SD0_DATA1", "SD0_DATA2", "SD0_DATA3";
power-source = <1800>;
};
sd0_ctrl_uhs {
pins = "SD0_CLK", "SD0_CMD";
power-source = <1800>;
};
sd0_mux_uhs {
pinmux = <RZG2L_PORT_PINMUX(47, 0, 2)>; /* SD0_CD */
};
};
};
&sbc {
pinctrl-0 = <&qspi0_pins>;
pinctrl-names = "default";
status = "okay";
flash@0 {
compatible = "micron,mt25qu512a", "jedec,spi-nor";
reg = <0>;
m25p,fast-read;
spi-max-frequency = <50000000>;
spi-rx-bus-width = <4>;
partitions {
compatible = "fixed-partitions";
#address-cells = <1>;
#size-cells = <1>;
boot@0 {
reg = <0x00000000 0x2000000>;
read-only;
};
user@2000000 {
reg = <0x2000000 0x2000000>;
};
};
};
};
#if SDHI
&sdhi0 {
pinctrl-0 = <&sdhi0_pins>;
pinctrl-1 = <&sdhi0_pins_uhs>;
pinctrl-names = "default", "state_uhs";
vmmc-supply = <&reg_3p3v>;
vqmmc-supply = <&vccq_sdhi0>;
bus-width = <4>;
sd-uhs-sdr50;
sd-uhs-sdr104;
status = "okay";
};
#endif
#if EMMC
&sdhi0 {
pinctrl-0 = <&sdhi0_emmc_pins>;
pinctrl-1 = <&sdhi0_emmc_pins>;
pinctrl-names = "default", "state_uhs";
vmmc-supply = <&reg_3p3v>;
vqmmc-supply = <&reg_1p8v>;
bus-width = <8>;
mmc-hs200-1_8v;
non-removable;
fixed-emmc-driver-type = <1>;
status = "okay";
};
#endif
&wdt0 {
status = "okay";
timeout-sec = <60>;
};
&wdt1 {
status = "okay";
timeout-sec = <60>;
};

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// SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
/*
* Device Tree Source for the RZ/{G2L,V2L} SMARC EVK common parts
*
* Copyright (C) 2021 Renesas Electronics Corp.
*/
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/pinctrl/rzg2l-pinctrl.h>
/* comment the #define statement to disable SCIF2 (SER0) on PMOD1 (CN7) */
#define PMOD1_SER0 1
/ {
aliases {
serial1 = &scif2;
i2c3 = &i2c3;
};
osc1: cec-clock {
compatible = "fixed-clock";
#clock-cells = <0>;
clock-frequency = <12000000>;
};
hdmi-out {
compatible = "hdmi-connector";
type = "d";
port {
hdmi_con_out: endpoint {
remote-endpoint = <&adv7535_out>;
};
};
};
};
&cpu_dai {
sound-dai = <&ssi0>;
};
&dsi {
status = "okay";
ports {
#address-cells = <1>;
#size-cells = <0>;
port@0 {
reg = <0>;
dsi0_in: endpoint {
};
};
port@1 {
reg = <1>;
dsi0_out: endpoint {
data-lanes = <1 2 3 4>;
remote-endpoint = <&adv7535_in>;
};
};
};
};
&i2c1 {
adv7535: hdmi@3d {
compatible = "adi,adv7535";
reg = <0x3d>;
interrupt-parent = <&pinctrl>;
interrupts = <RZG2L_GPIO(2, 1) IRQ_TYPE_EDGE_FALLING>;
clocks = <&osc1>;
clock-names = "cec";
avdd-supply = <&reg_1p8v>;
dvdd-supply = <&reg_1p8v>;
pvdd-supply = <&reg_1p8v>;
a2vdd-supply = <&reg_1p8v>;
v3p3-supply = <&reg_3p3v>;
v1p2-supply = <&reg_1p8v>;
adi,dsi-lanes = <4>;
ports {
#address-cells = <1>;
#size-cells = <0>;
port@0 {
reg = <0>;
adv7535_in: endpoint {
remote-endpoint = <&dsi0_out>;
};
};
port@1 {
reg = <1>;
adv7535_out: endpoint {
remote-endpoint = <&hdmi_con_out>;
};
};
};
};
};
&i2c3 {
pinctrl-0 = <&i2c3_pins>;
pinctrl-names = "default";
clock-frequency = <400000>;
status = "okay";
wm8978: codec@1a {
compatible = "wlf,wm8978";
#sound-dai-cells = <0>;
reg = <0x1a>;
};
};
/*
* To enable SCIF2 (SER0) on PMOD1 (CN7)
* SW1 should be at position 2->3 so that SER0_CTS# line is activated
* SW2 should be at position 2->3 so that SER0_TX line is activated
* SW3 should be at position 2->3 so that SER0_RX line is activated
* SW4 should be at position 2->3 so that SER0_RTS# line is activated
*/
#if PMOD1_SER0
&scif2 {
pinctrl-0 = <&scif2_pins>;
pinctrl-names = "default";
uart-has-rtscts;
status = "okay";
};
#endif
&ssi0 {
pinctrl-0 = <&ssi0_pins>;
pinctrl-names = "default";
status = "okay";
};
&vccq_sdhi1 {
gpios = <&pinctrl RZG2L_GPIO(39, 1) GPIO_ACTIVE_HIGH>;
};

21
arch/arm/mach-rmobile/Kconfig
View file

@ -9,7 +9,6 @@ config RCAR_64
select PHY
select PINCONF
select PINCTRL
select PINCTRL_PFC
select POSITION_INDEPENDENT
imply CMD_FS_UUID
imply CMD_GPT
@ -29,6 +28,7 @@ config RCAR_GEN3
bool "Renesas ARM SoCs R-Car Gen3 (64bit)"
select RCAR_64
select SUPPORT_SPL
select PINCTRL_PFC
imply SPL
imply SPL_BOARD_INIT
imply SPL_GZIP
@ -43,6 +43,7 @@ config RCAR_GEN3
config RCAR_GEN4
bool "Renesas ARM SoCs R-Car Gen4 (64bit)"
select RCAR_64
select PINCTRL_PFC
config RZA1
prompt "Renesas ARM SoCs RZ/A1 (32bit)"
@ -66,6 +67,23 @@ config RZN1
select SYSRESET_SYSCON
imply CMD_DM
config RZG2L
prompt "Renesas RZ/G2L Family ARM SoCs"
select GICV3
select RCAR_64
imply CLK_RZG2L
imply MULTI_DTB_FIT
imply MULTI_DTB_FIT_USER_DEFINED_AREA
imply PINCTRL_RZG2L
imply RENESAS_SDHI
imply RZG2L_GPIO
imply SYS_MALLOC_F
help
Enable support for the Renesas RZ/G2L family of SoCs. Currently
support is only included for the RZ/G2L itself (based on the R9A07G044
SoC). Support for additional SoCs in this family (RZ/G2LC, RZ/G2UL,
RZ/V2L & RZ/Five) is not yet available.
endchoice
config SYS_SOC
@ -75,5 +93,6 @@ source "arch/arm/mach-rmobile/Kconfig.32"
source "arch/arm/mach-rmobile/Kconfig.64"
source "arch/arm/mach-rmobile/Kconfig.rza1"
source "arch/arm/mach-rmobile/Kconfig.rzn1"
source "arch/arm/mach-rmobile/Kconfig.rzg2l"
endif

32
arch/arm/mach-rmobile/Kconfig.rzg2l Normal file
View file

@ -0,0 +1,32 @@
# Copyright (C) 2023 Renesas Electronics Corporation
# SPDX-License-Identifier: GPL-2.0+
if RZG2L
config R9A07G044L
bool "Renesas R9A07G044L SoC"
imply CLK_R9A07G044
help
Enable support for the Renesas R9A07G044L (RZ/G2L) SoC.
choice
prompt "Renesas RZ/G2L Family Board selection"
default TARGET_RZG2L_SMARC_EVK
config TARGET_RZG2L_SMARC_EVK
bool "Renesas RZ/G2L SMARC EVK"
imply R9A07G044L
help
Enable support for the RZ/G2L SMARC evaluation board.
source "board/renesas/rzg2l/Kconfig"
endchoice
config MULTI_DTB_FIT_UNCOMPRESS_SZ
default 0x80000 if TARGET_RZG2L_SMARC_EVK
config MULTI_DTB_FIT_USER_DEF_ADDR
default 0x49000000 if TARGET_RZG2L_SMARC_EVK
endif

5
arch/arm/mach-rmobile/Makefile
View file

@ -10,8 +10,11 @@ obj-$(CONFIG_DISPLAY_BOARDINFO) += board.o
obj-$(CONFIG_TMU_TIMER) += ../../sh/lib/time.o
obj-$(CONFIG_R8A7740) += lowlevel_init.o cpu_info-r8a7740.o pfc-r8a7740.o
obj-$(CONFIG_RCAR_GEN2) += lowlevel_init_ca15.o cpu_info-rcar.o
obj-$(CONFIG_RCAR_64) += lowlevel_init_gen3.o cpu_info-rcar.o memmap-gen3.o
obj-$(CONFIG_RCAR_64) += lowlevel_init_gen3.o
obj-$(CONFIG_RCAR_GEN3) += cpu_info-rcar.o memmap-gen3.o
obj-$(CONFIG_RCAR_GEN4) += cpu_info-rcar.o memmap-gen3.o
obj-$(CONFIG_RZ_G2) += cpu_info-rzg.o
obj-$(CONFIG_RZG2L) += cpu_info-rzg2l.o memmap-rzg2l.o
ifneq ($(CONFIG_R8A779A0),)
obj-$(CONFIG_ARMV8_PSCI) += psci-r8a779a0.o

63
arch/arm/mach-rmobile/cpu_info-rzg2l.c Normal file
View file

@ -0,0 +1,63 @@
// SPDX-License-Identifier: GPL-2.0
/*
* Copyright (C) 2021,2023 Renesas Electronics Corporation
*
*/
#include <common.h>
#include <asm/io.h>
#include <linux/libfdt.h>
#define SYSC_LSI_DEVID 0x11020A04
/* If the firmware passed a device tree, use it for soc identification. */
extern u64 rcar_atf_boot_args[];
/* CPU information table */
struct tfa_info {
const char *soc_name;
const char *cpu_name;
u32 cpu_type;
};
static const struct tfa_info tfa_info[] = {
{ "renesas,r9a07g044l2", "R9A07G044L", RMOBILE_CPU_TYPE_R9A07G044L },
};
static const struct tfa_info invalid_tfa_info = { NULL, "(invalid)", 0 };
static const struct tfa_info *get_tfa_info(void)
{
void *atf_fdt_blob = (void *)(rcar_atf_boot_args[1]);
if (fdt_magic(atf_fdt_blob) == FDT_MAGIC) {
unsigned int i;
for (i = 0; i < ARRAY_SIZE(tfa_info); i++) {
if (!fdt_node_check_compatible(atf_fdt_blob, 0,
tfa_info[i].soc_name))
return &tfa_info[i];
}
}
return &invalid_tfa_info;
}
const u8 *rzg_get_cpu_name(void)
{
return get_tfa_info()->cpu_name;
}
u32 rmobile_get_cpu_type(void)
{
return get_tfa_info()->cpu_type;
}
u32 rmobile_get_cpu_rev_integer(void)
{
return (readl(SYSC_LSI_DEVID) >> 28) + 1;
}
u32 rmobile_get_cpu_rev_fraction(void)
{
return 0;
}

5
arch/arm/mach-rmobile/include/mach/rmobile.h
View file

@ -19,6 +19,8 @@
#elif defined(CONFIG_RCAR_GEN4)
#include <asm/arch/rcar-gen4-base.h>
#elif defined(CONFIG_R7S72100)
#elif defined(CONFIG_RZG2L)
#include <asm/arch/rzg2l.h>
#else
#error "SOC Name not defined"
#endif
@ -41,8 +43,11 @@
#define RMOBILE_CPU_TYPE_R8A779A0 0x59
#define RMOBILE_CPU_TYPE_R8A779F0 0x5A
#define RMOBILE_CPU_TYPE_R8A779G0 0x5C
#define RMOBILE_CPU_TYPE_R9A07G044L 0x9A070440
#ifndef __ASSEMBLY__
#include <asm/types.h>
const u8 *rzg_get_cpu_name(void);
u32 rmobile_get_cpu_type(void);
u32 rmobile_get_cpu_rev_integer(void);

13
arch/arm/mach-rmobile/include/mach/rzg2l.h Normal file
View file

@ -0,0 +1,13 @@
/* SPDX-License-Identifier: GPL-2.0+ */
/*
* RZ/G2L SoC Family support.
* Copyright (C) 2023 Renesas Electronics Corporation
*/
#ifndef __ASM_ARCH_RZG2L_H
#define __ASM_ARCH_RZG2L_H
#define GICD_BASE 0x11900000
#define GICR_BASE 0x11960000
#endif /* __ASM_ARCH_RZG2L_H */

127
arch/arm/mach-rmobile/memmap-rzg2l.c Normal file
View file

@ -0,0 +1,127 @@
// SPDX-License-Identifier: GPL-2.0+
/*
* Renesas RZ/G2L family memory map tables
*
* Copyright (C) 2017 Marek Vasut <marek.vasut@gmail.com>
* Copyright (C) 2023 Renesas Electronics Corp.
*/
#include <common.h>
#include <asm/armv8/mmu.h>
#include <asm/global_data.h>
#include <cpu_func.h>
#define RZG2L_NR_REGIONS 16
/*
* RZ/G2L supports up to 4 GiB RAM starting at 0x40000000, of
* which the first 128 MiB is reserved by TF-A.
*/
static struct mm_region rzg2l_mem_map[RZG2L_NR_REGIONS] = {
{
.virt = 0x0UL,
.phys = 0x0UL,
.size = 0x40000000UL,
.attrs = PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) |
PTE_BLOCK_NON_SHARE |
PTE_BLOCK_PXN | PTE_BLOCK_UXN
}, {
.virt = 0x40000000UL,
.phys = 0x40000000UL,
.size = 0x03F00000UL,
.attrs = PTE_BLOCK_MEMTYPE(MT_NORMAL) |
PTE_BLOCK_INNER_SHARE
}, {
.virt = 0x47E00000UL,
.phys = 0x47E00000UL,
.size = 0xF8200000UL,
.attrs = PTE_BLOCK_MEMTYPE(MT_NORMAL) |
PTE_BLOCK_INNER_SHARE
}, {
/* List terminator */
0,
}
};
struct mm_region *mem_map = rzg2l_mem_map;
DECLARE_GLOBAL_DATA_PTR;
#define debug_memmap(i, map) \
debug("memmap %d: virt 0x%llx -> phys 0x%llx, size=0x%llx, attrs=0x%llx\n", \
i, map[i].virt, map[i].phys, map[i].size, map[i].attrs)
void enable_caches(void)
{
unsigned int bank, i = 0;
u64 start, size;
/* Create map for register access */
rzg2l_mem_map[i].virt = 0x0ULL;
rzg2l_mem_map[i].phys = 0x0ULL;
rzg2l_mem_map[i].size = 0x40000000ULL;
rzg2l_mem_map[i].attrs = PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) |
PTE_BLOCK_NON_SHARE |
PTE_BLOCK_PXN | PTE_BLOCK_UXN;
debug_memmap(i, rzg2l_mem_map);
i++;
/* Generate entries for DRAM in 32bit address space */
for (bank = 0; bank < CONFIG_NR_DRAM_BANKS; bank++) {
start = gd->bd->bi_dram[bank].start;
size = gd->bd->bi_dram[bank].size;
/* Skip empty DRAM banks */
if (!size)
continue;
/* Mark memory reserved by ATF as cacheable too. */
if (start == 0x48000000) {
/* Unmark protection area (0x43F00000 to 0x47DFFFFF) */
rzg2l_mem_map[i].virt = 0x40000000ULL;
rzg2l_mem_map[i].phys = 0x40000000ULL;
rzg2l_mem_map[i].size = 0x03F00000ULL;
rzg2l_mem_map[i].attrs = PTE_BLOCK_MEMTYPE(MT_NORMAL) |
PTE_BLOCK_INNER_SHARE;
debug_memmap(i, rzg2l_mem_map);
i++;
start = 0x47E00000ULL;
size += 0x00200000ULL;
}
rzg2l_mem_map[i].virt = start;
rzg2l_mem_map[i].phys = start;
rzg2l_mem_map[i].size = size;
rzg2l_mem_map[i].attrs = PTE_BLOCK_MEMTYPE(MT_NORMAL) |
PTE_BLOCK_INNER_SHARE;
debug_memmap(i, rzg2l_mem_map);
i++;
}
/* Zero out the remaining regions. */
for (; i < RZG2L_NR_REGIONS; i++) {
rzg2l_mem_map[i].virt = 0;
rzg2l_mem_map[i].phys = 0;
rzg2l_mem_map[i].size = 0;
rzg2l_mem_map[i].attrs = 0;
debug_memmap(i, rzg2l_mem_map);
}
if (!icache_status())
icache_enable();
dcache_enable();
}
int dram_init(void)
{
return fdtdec_setup_mem_size_base();
}
int dram_init_banksize(void)
{
fdtdec_setup_memory_banksize();
return 0;
}

18
board/renesas/rzg2l/Kconfig Normal file
View file

@ -0,0 +1,18 @@
# Copyright (C) 2023 Renesas Electronics Corporation
# SPDX-License-Identifier: GPL-2.0+
if TARGET_RZG2L_SMARC_EVK
config SYS_SOC
default "rmobile"
config SYS_BOARD
default "rzg2l"
config SYS_VENDOR
default "renesas"
config SYS_CONFIG_NAME
default "rzg2l-smarc"
endif

6
board/renesas/rzg2l/MAINTAINERS Normal file
View file

@ -0,0 +1,6 @@
RENESAS RZG2L BOARD FAMILY
M: Paul Barker <paul.barker.ct@bp.renesas.com>
S: Supported
F: arch/arm/dts/rz-smarc-common.dtsi
N: rzg2l
N: r9a07g044

4
board/renesas/rzg2l/Makefile Normal file
View file

@ -0,0 +1,4 @@
# Copyright (C) 2023 Renesas Electronics Corporation
# SPDX-License-Identifier: GPL-2.0+
obj-y := rzg2l.o

67
board/renesas/rzg2l/rzg2l.c Normal file
View file

@ -0,0 +1,67 @@
// SPDX-License-Identifier: GPL-2.0+
/*
* RZ/G2L board support.
* Copyright (C) 2023 Renesas Electronics Corporation
*/
#include <common.h>
#include <fdtdec.h>
#include <linux/libfdt.h>
#if IS_ENABLED(CONFIG_MULTI_DTB_FIT)
/* If the firmware passed a device tree, use it for board identification. */
extern u64 rcar_atf_boot_args[];
static bool is_rzg2l_board(const char *board_name)
{
void *atf_fdt_blob = (void *)(rcar_atf_boot_args[1]);
return fdt_node_check_compatible(atf_fdt_blob, 0, board_name) == 0;
}
int board_fit_config_name_match(const char *name)
{
void *atf_fdt_blob = (void *)(rcar_atf_boot_args[1]);
if (fdt_magic(atf_fdt_blob) != FDT_MAGIC)
return -1;
if (is_rzg2l_board("renesas,r9a07g044l2"))
return strcmp(name, "r9a07g044l2-smarc");
return -1;
}
#endif
static void apply_atf_overlay(void *fdt_blob)
{
void *atf_fdt_blob = (void *)(rcar_atf_boot_args[1]);
if (fdt_magic(atf_fdt_blob) == FDT_MAGIC)
fdt_overlay_apply_node(fdt_blob, 0, atf_fdt_blob, 0);
}
int fdtdec_board_setup(const void *fdt_blob)
{
apply_atf_overlay((void *)fdt_blob);
return 0;
}
int ft_board_setup(void *blob, struct bd_info *bd)
{
return 0;
}
int board_init(void)
{
return 0;
}
void reset_cpu(void)
{
/*
* TODO: Implement reset support once TrustedFirmware supports
* the appropriate call.
*/
}

4
cmd/gpio.c
View file

@ -17,6 +17,7 @@
#endif
#include <asm/gpio.h>
#include <linux/err.h>
#include <dm/device_compat.h>
__weak int name_to_gpio(const char *name)
{
@ -69,7 +70,8 @@ static void gpio_get_description(struct udevice *dev, const char *bank_name,
printf("%s\n", buf);
return;
err:
printf("Error %d\n", ret);
if (ret != -ENOENT)
printf("Error %d\n", ret);
}
static int do_gpio_status(bool all, const char *gpio_name)

52
configs/renesas_rzg2l_smarc_defconfig Normal file
View file

@ -0,0 +1,52 @@
CONFIG_ARM=y
CONFIG_COUNTER_FREQUENCY=16666666
CONFIG_SYS_INIT_SP_BSS_OFFSET=1048576
CONFIG_ARCH_CPU_INIT=y
CONFIG_ARCH_RMOBILE=y
CONFIG_TEXT_BASE=0x50000000
CONFIG_SYS_MALLOC_LEN=0x4000000
CONFIG_SYS_MALLOC_F_LEN=0x80000
CONFIG_ENV_SIZE=0x20000
CONFIG_ENV_OFFSET=0xFFFE0000
CONFIG_DM_GPIO=y
CONFIG_DEFAULT_DEVICE_TREE="r9a07g044l2-smarc"
CONFIG_RZG2L=y
CONFIG_SYS_MONITOR_LEN=1048576
CONFIG_SYS_LOAD_ADDR=0x58000000
CONFIG_REMAKE_ELF=y
CONFIG_FIT=y
CONFIG_SUPPORT_RAW_INITRD=y
CONFIG_USE_BOOTARGS=y
# CONFIG_BOARD_EARLY_INIT_F is not set
CONFIG_SYS_MALLOC_BOOTPARAMS=y
CONFIG_HUSH_PARSER=y
CONFIG_SYS_MAXARGS=64
CONFIG_SYS_PBSIZE=2068
CONFIG_CMD_CLK=y
CONFIG_CMD_GPIO=y
CONFIG_CMD_MMC=y
CONFIG_CMD_PART=y
CONFIG_CMD_EXT2=y
CONFIG_CMD_EXT4=y
CONFIG_CMD_EXT4_WRITE=y
CONFIG_CMD_FAT=y
CONFIG_CMD_FS_GENERIC=y
CONFIG_OF_CONTROL=y
CONFIG_MULTI_DTB_FIT_LZO=y
CONFIG_MULTI_DTB_FIT_USER_DEFINED_AREA=y
CONFIG_ENV_OVERWRITE=y
CONFIG_ENV_IS_IN_MMC=y
CONFIG_SYS_RELOC_GD_ENV_ADDR=y
CONFIG_SYS_MMC_ENV_PART=2
CONFIG_VERSION_VARIABLE=y
CONFIG_REGMAP=y
CONFIG_CLK=y
CONFIG_CLK_RENESAS=y
# CONFIG_CLK_RCAR_GEN3 is not set
CONFIG_GPIO_HOG=y
CONFIG_MMC_IO_VOLTAGE=y
CONFIG_MMC_UHS_SUPPORT=y
CONFIG_MMC_HS400_SUPPORT=y
CONFIG_DM_REGULATOR=y
CONFIG_DM_REGULATOR_FIXED=y
CONFIG_DM_REGULATOR_GPIO=y

9
drivers/clk/renesas/Kconfig
View file

@ -156,3 +156,12 @@ config CLK_R9A06G032
depends on CLK_RENESAS
help
Enable this to support the clocks on Renesas R9A06G032 SoC.
config CLK_RZG2L
bool "Renesas RZ/G2L family clock support"
depends on CLK_RENESAS
select DM_RESET
config CLK_R9A07G044
bool "RZ/G2L (R9A07G044L) clock support"
depends on CLK_RZG2L

2
drivers/clk/renesas/Makefile
View file

@ -23,3 +23,5 @@ obj-$(CONFIG_CLK_R8A779A0) += r8a779a0-cpg-mssr.o
obj-$(CONFIG_CLK_R8A779F0) += r8a779f0-cpg-mssr.o
obj-$(CONFIG_CLK_R8A779G0) += r8a779g0-cpg-mssr.o
obj-$(CONFIG_CLK_R9A06G032) += r9a06g032-clocks.o
obj-$(CONFIG_CLK_RZG2L) += rzg2l-cpg.o
obj-$(CONFIG_CLK_R9A07G044) += r9a07g044-cpg.o

384
drivers/clk/renesas/r9a07g044-cpg.c Normal file
View file

@ -0,0 +1,384 @@
// SPDX-License-Identifier: GPL-2.0
/*
* RZ/G2L CPG driver
*
* Copyright (C) 2021-2023 Renesas Electronics Corp.
*/
#include <common.h>
#include <dm/device.h>
#include <dt-bindings/clock/r9a07g044-cpg.h>
#include <linux/clk-provider.h>
#include "rzg2l-cpg.h"
/* Divider tables */
static const struct clk_div_table dtable_1_8[] = {
{0, 1},
{1, 2},
{2, 4},
{3, 8},
{0, 0},
};
static const struct clk_div_table dtable_1_32[] = {
{0, 1},
{1, 2},
{2, 4},
{3, 8},
{4, 32},
{0, 0},
};
static const struct clk_div_table dtable_16_128[] = {
{0, 16},
{1, 32},
{2, 64},
{3, 128},
{0, 0},
};
/* Mux clock tables */
static const char * const sel_pll3_3[] = { ".pll3_533", ".pll3_400" };
static const char * const sel_pll5_4[] = { ".pll5_foutpostdiv", ".pll5_fout1ph0" };
static const char * const sel_pll6_2[] = { ".pll6_250", ".pll5_250" };
static const char * const sel_shdi[] = { ".clk_533", ".clk_400", ".clk_266" };
static const char * const sel_gpu2[] = { ".pll6", ".pll3_div2_2" };
static const struct {
struct cpg_core_clk common[56];
} core_clks = {
.common = {
/* External Clock Inputs */
DEF_INPUT("extal", CLK_EXTAL),
/* Internal Core Clocks */
DEF_FIXED(".osc", R9A07G044_OSCCLK, CLK_EXTAL, 1, 1),
DEF_FIXED(".osc_div1000", CLK_OSC_DIV1000, CLK_EXTAL, 1, 1000),
DEF_SAMPLL(".pll1", CLK_PLL1, CLK_EXTAL, PLL146_CONF(0)),
DEF_FIXED(".pll2", CLK_PLL2, CLK_EXTAL, 200, 3),
DEF_FIXED(".pll2_533", CLK_PLL2_533, CLK_PLL2, 1, 3),
DEF_FIXED(".pll3", CLK_PLL3, CLK_EXTAL, 200, 3),
DEF_FIXED(".pll3_400", CLK_PLL3_400, CLK_PLL3, 1, 4),
DEF_FIXED(".pll3_533", CLK_PLL3_533, CLK_PLL3, 1, 3),
DEF_FIXED(".pll5", CLK_PLL5, CLK_EXTAL, 125, 1),
DEF_FIXED(".pll5_fout3", CLK_PLL5_FOUT3, CLK_PLL5, 1, 6),
DEF_FIXED(".pll6", CLK_PLL6, CLK_EXTAL, 125, 6),
DEF_FIXED(".pll2_div2", CLK_PLL2_DIV2, CLK_PLL2, 1, 2),
DEF_FIXED(".clk_800", CLK_PLL2_800, CLK_PLL2, 1, 2),
DEF_FIXED(".clk_533", CLK_PLL2_SDHI_533, CLK_PLL2, 1, 3),
DEF_FIXED(".clk_400", CLK_PLL2_SDHI_400, CLK_PLL2_800, 1, 2),
DEF_FIXED(".clk_266", CLK_PLL2_SDHI_266, CLK_PLL2_SDHI_533, 1, 2),
DEF_FIXED(".pll2_div2_8", CLK_PLL2_DIV2_8, CLK_PLL2_DIV2, 1, 8),
DEF_FIXED(".pll2_div2_10", CLK_PLL2_DIV2_10, CLK_PLL2_DIV2, 1, 10),
DEF_FIXED(".pll2_533_div2", CLK_PLL2_533_DIV2, CLK_PLL2_533, 1, 2),
DEF_FIXED(".pll3_div2", CLK_PLL3_DIV2, CLK_PLL3, 1, 2),
DEF_FIXED(".pll3_div2_2", CLK_PLL3_DIV2_2, CLK_PLL3_DIV2, 1, 2),
DEF_FIXED(".pll3_div2_4", CLK_PLL3_DIV2_4, CLK_PLL3_DIV2, 1, 4),
DEF_FIXED(".pll3_div2_4_2", CLK_PLL3_DIV2_4_2, CLK_PLL3_DIV2_4, 1, 2),
DEF_MUX_RO(".sel_pll3_3", CLK_SEL_PLL3_3, SEL_PLL3_3, sel_pll3_3),
DEF_DIV("divpl3c", CLK_DIV_PLL3_C, CLK_SEL_PLL3_3, DIVPL3C, dtable_1_32),
DEF_FIXED(".pll5_250", CLK_PLL5_250, CLK_PLL5_FOUT3, 1, 2),
DEF_FIXED(".pll6_250", CLK_PLL6_250, CLK_PLL6, 1, 2),
DEF_MUX_RO(".sel_gpu2", CLK_SEL_GPU2, SEL_GPU2, sel_gpu2),
DEF_PLL5_FOUTPOSTDIV(".pll5_foutpostdiv", CLK_PLL5_FOUTPOSTDIV, CLK_EXTAL),
DEF_FIXED(".pll5_fout1ph0", CLK_PLL5_FOUT1PH0, CLK_PLL5_FOUTPOSTDIV, 1, 2),
DEF_PLL5_4_MUX(".sel_pll5_4", CLK_SEL_PLL5_4, SEL_PLL5_4, sel_pll5_4),
DEF_DIV(".div_dsi_lpclk", CLK_DIV_DSI_LPCLK, CLK_PLL2_533_DIV2,
DIVDSILPCLK, dtable_16_128),
/* Core output clk */
DEF_DIV("I", R9A07G044_CLK_I, CLK_PLL1, DIVPL1A, dtable_1_8),
DEF_DIV("P0", R9A07G044_CLK_P0, CLK_PLL2_DIV2_8, DIVPL2A, dtable_1_32),
DEF_FIXED("P0_DIV2", R9A07G044_CLK_P0_DIV2, R9A07G044_CLK_P0, 1, 2),
DEF_FIXED("TSU", R9A07G044_CLK_TSU, CLK_PLL2_DIV2_10, 1, 1),
DEF_DIV("P1", R9A07G044_CLK_P1, CLK_PLL3_DIV2_4, DIVPL3B, dtable_1_32),
DEF_FIXED("P1_DIV2", CLK_P1_DIV2, R9A07G044_CLK_P1, 1, 2),
DEF_DIV("P2", R9A07G044_CLK_P2, CLK_PLL3_DIV2_4_2, DIVPL3A, dtable_1_32),
DEF_FIXED("M0", R9A07G044_CLK_M0, CLK_PLL3_DIV2_4, 1, 1),
DEF_FIXED("ZT", R9A07G044_CLK_ZT, CLK_PLL3_DIV2_4_2, 1, 1),
DEF_MUX("HP", R9A07G044_CLK_HP, SEL_PLL6_2, sel_pll6_2),
DEF_FIXED("SPI0", R9A07G044_CLK_SPI0, CLK_DIV_PLL3_C, 1, 2),
DEF_FIXED("SPI1", R9A07G044_CLK_SPI1, CLK_DIV_PLL3_C, 1, 4),
DEF_SD_MUX("SD0", R9A07G044_CLK_SD0, SEL_SDHI0, sel_shdi),
DEF_SD_MUX("SD1", R9A07G044_CLK_SD1, SEL_SDHI1, sel_shdi),
DEF_FIXED("SD0_DIV4", CLK_SD0_DIV4, R9A07G044_CLK_SD0, 1, 4),
DEF_FIXED("SD1_DIV4", CLK_SD1_DIV4, R9A07G044_CLK_SD1, 1, 4),
DEF_DIV("G", R9A07G044_CLK_G, CLK_SEL_GPU2, DIVGPU, dtable_1_8),
DEF_FIXED("M1", R9A07G044_CLK_M1, CLK_PLL5_FOUTPOSTDIV, 1, 1),
DEF_FIXED("M2", R9A07G044_CLK_M2, CLK_PLL3_533, 1, 2),
DEF_FIXED("M2_DIV2", CLK_M2_DIV2, R9A07G044_CLK_M2, 1, 2),
DEF_DSI_DIV("DSI_DIV", CLK_DSI_DIV, CLK_SEL_PLL5_4, CLK_SET_RATE_PARENT),
DEF_FIXED("M3", R9A07G044_CLK_M3, CLK_DSI_DIV, 1, 1),
DEF_FIXED("M4", R9A07G044_CLK_M4, CLK_DIV_DSI_LPCLK, 1, 1),
},
};
static const struct {
struct rzg2l_mod_clk common[79];
} mod_clks = {
.common = {
DEF_MOD("gic", R9A07G044_GIC600_GICCLK, R9A07G044_CLK_P1,
0x514, 0),
DEF_MOD("ia55_pclk", R9A07G044_IA55_PCLK, R9A07G044_CLK_P2,
0x518, 0),
DEF_MOD("ia55_clk", R9A07G044_IA55_CLK, R9A07G044_CLK_P1,
0x518, 1),
DEF_MOD("dmac_aclk", R9A07G044_DMAC_ACLK, R9A07G044_CLK_P1,
0x52c, 0),
DEF_MOD("dmac_pclk", R9A07G044_DMAC_PCLK, CLK_P1_DIV2,
0x52c, 1),
DEF_MOD("ostm0_pclk", R9A07G044_OSTM0_PCLK, R9A07G044_CLK_P0,
0x534, 0),
DEF_MOD("ostm1_pclk", R9A07G044_OSTM1_PCLK, R9A07G044_CLK_P0,
0x534, 1),
DEF_MOD("ostm2_pclk", R9A07G044_OSTM2_PCLK, R9A07G044_CLK_P0,
0x534, 2),
DEF_MOD("mtu_x_mck", R9A07G044_MTU_X_MCK_MTU3, R9A07G044_CLK_P0,
0x538, 0),
DEF_MOD("gpt_pclk", R9A07G044_GPT_PCLK, R9A07G044_CLK_P0,
0x540, 0),
DEF_MOD("poeg_a_clkp", R9A07G044_POEG_A_CLKP, R9A07G044_CLK_P0,
0x544, 0),
DEF_MOD("poeg_b_clkp", R9A07G044_POEG_B_CLKP, R9A07G044_CLK_P0,
0x544, 1),
DEF_MOD("poeg_c_clkp", R9A07G044_POEG_C_CLKP, R9A07G044_CLK_P0,
0x544, 2),
DEF_MOD("poeg_d_clkp", R9A07G044_POEG_D_CLKP, R9A07G044_CLK_P0,
0x544, 3),
DEF_MOD("wdt0_pclk", R9A07G044_WDT0_PCLK, R9A07G044_CLK_P0,
0x548, 0),
DEF_MOD("wdt0_clk", R9A07G044_WDT0_CLK, R9A07G044_OSCCLK,
0x548, 1),
DEF_MOD("wdt1_pclk", R9A07G044_WDT1_PCLK, R9A07G044_CLK_P0,
0x548, 2),
DEF_MOD("wdt1_clk", R9A07G044_WDT1_CLK, R9A07G044_OSCCLK,
0x548, 3),
DEF_MOD("spi_clk2", R9A07G044_SPI_CLK2, R9A07G044_CLK_SPI1,
0x550, 0),
DEF_MOD("spi_clk", R9A07G044_SPI_CLK, R9A07G044_CLK_SPI0,
0x550, 1),
DEF_MOD("sdhi0_imclk", R9A07G044_SDHI0_IMCLK, CLK_SD0_DIV4,
0x554, 0),
DEF_MOD("sdhi0_imclk2", R9A07G044_SDHI0_IMCLK2, CLK_SD0_DIV4,
0x554, 1),
DEF_MOD("sdhi0_clk_hs", R9A07G044_SDHI0_CLK_HS, R9A07G044_CLK_SD0,
0x554, 2),
DEF_MOD("sdhi0_aclk", R9A07G044_SDHI0_ACLK, R9A07G044_CLK_P1,
0x554, 3),
DEF_MOD("sdhi1_imclk", R9A07G044_SDHI1_IMCLK, CLK_SD1_DIV4,
0x554, 4),
DEF_MOD("sdhi1_imclk2", R9A07G044_SDHI1_IMCLK2, CLK_SD1_DIV4,
0x554, 5),
DEF_MOD("sdhi1_clk_hs", R9A07G044_SDHI1_CLK_HS, R9A07G044_CLK_SD1,
0x554, 6),
DEF_MOD("sdhi1_aclk", R9A07G044_SDHI1_ACLK, R9A07G044_CLK_P1,
0x554, 7),
DEF_MOD("gpu_clk", R9A07G044_GPU_CLK, R9A07G044_CLK_G,
0x558, 0),
DEF_MOD("gpu_axi_clk", R9A07G044_GPU_AXI_CLK, R9A07G044_CLK_P1,
0x558, 1),
DEF_MOD("gpu_ace_clk", R9A07G044_GPU_ACE_CLK, R9A07G044_CLK_P1,
0x558, 2),
DEF_MOD("cru_sysclk", R9A07G044_CRU_SYSCLK, CLK_M2_DIV2,
0x564, 0),
DEF_MOD("cru_vclk", R9A07G044_CRU_VCLK, R9A07G044_CLK_M2,
0x564, 1),
DEF_MOD("cru_pclk", R9A07G044_CRU_PCLK, R9A07G044_CLK_ZT,
0x564, 2),
DEF_MOD("cru_aclk", R9A07G044_CRU_ACLK, R9A07G044_CLK_M0,
0x564, 3),
DEF_MOD("dsi_pll_clk", R9A07G044_MIPI_DSI_PLLCLK, R9A07G044_CLK_M1,
0x568, 0),
DEF_MOD("dsi_sys_clk", R9A07G044_MIPI_DSI_SYSCLK, CLK_M2_DIV2,
0x568, 1),
DEF_MOD("dsi_aclk", R9A07G044_MIPI_DSI_ACLK, R9A07G044_CLK_P1,
0x568, 2),
DEF_MOD("dsi_pclk", R9A07G044_MIPI_DSI_PCLK, R9A07G044_CLK_P2,
0x568, 3),
DEF_MOD("dsi_vclk", R9A07G044_MIPI_DSI_VCLK, R9A07G044_CLK_M3,
0x568, 4),
DEF_MOD("dsi_lpclk", R9A07G044_MIPI_DSI_LPCLK, R9A07G044_CLK_M4,
0x568, 5),
DEF_COUPLED("lcdc_a", R9A07G044_LCDC_CLK_A, R9A07G044_CLK_M0,
0x56c, 0),
DEF_COUPLED("lcdc_p", R9A07G044_LCDC_CLK_P, R9A07G044_CLK_ZT,
0x56c, 0),
DEF_MOD("lcdc_clk_d", R9A07G044_LCDC_CLK_D, R9A07G044_CLK_M3,
0x56c, 1),
DEF_MOD("ssi0_pclk", R9A07G044_SSI0_PCLK2, R9A07G044_CLK_P0,
0x570, 0),
DEF_MOD("ssi0_sfr", R9A07G044_SSI0_PCLK_SFR, R9A07G044_CLK_P0,
0x570, 1),
DEF_MOD("ssi1_pclk", R9A07G044_SSI1_PCLK2, R9A07G044_CLK_P0,
0x570, 2),
DEF_MOD("ssi1_sfr", R9A07G044_SSI1_PCLK_SFR, R9A07G044_CLK_P0,
0x570, 3),
DEF_MOD("ssi2_pclk", R9A07G044_SSI2_PCLK2, R9A07G044_CLK_P0,
0x570, 4),
DEF_MOD("ssi2_sfr", R9A07G044_SSI2_PCLK_SFR, R9A07G044_CLK_P0,
0x570, 5),
DEF_MOD("ssi3_pclk", R9A07G044_SSI3_PCLK2, R9A07G044_CLK_P0,
0x570, 6),
DEF_MOD("ssi3_sfr", R9A07G044_SSI3_PCLK_SFR, R9A07G044_CLK_P0,
0x570, 7),
DEF_MOD("usb0_host", R9A07G044_USB_U2H0_HCLK, R9A07G044_CLK_P1,
0x578, 0),
DEF_MOD("usb1_host", R9A07G044_USB_U2H1_HCLK, R9A07G044_CLK_P1,
0x578, 1),
DEF_MOD("usb0_func", R9A07G044_USB_U2P_EXR_CPUCLK, R9A07G044_CLK_P1,
0x578, 2),
DEF_MOD("usb_pclk", R9A07G044_USB_PCLK, R9A07G044_CLK_P1,
0x578, 3),
DEF_COUPLED("eth0_axi", R9A07G044_ETH0_CLK_AXI, R9A07G044_CLK_M0,
0x57c, 0),
DEF_COUPLED("eth0_chi", R9A07G044_ETH0_CLK_CHI, R9A07G044_CLK_ZT,
0x57c, 0),
DEF_COUPLED("eth1_axi", R9A07G044_ETH1_CLK_AXI, R9A07G044_CLK_M0,
0x57c, 1),
DEF_COUPLED("eth1_chi", R9A07G044_ETH1_CLK_CHI, R9A07G044_CLK_ZT,
0x57c, 1),
DEF_MOD("i2c0", R9A07G044_I2C0_PCLK, R9A07G044_CLK_P0,
0x580, 0),
DEF_MOD("i2c1", R9A07G044_I2C1_PCLK, R9A07G044_CLK_P0,
0x580, 1),
DEF_MOD("i2c2", R9A07G044_I2C2_PCLK, R9A07G044_CLK_P0,
0x580, 2),
DEF_MOD("i2c3", R9A07G044_I2C3_PCLK, R9A07G044_CLK_P0,
0x580, 3),
DEF_MOD("scif0", R9A07G044_SCIF0_CLK_PCK, R9A07G044_CLK_P0,
0x584, 0),
DEF_MOD("scif1", R9A07G044_SCIF1_CLK_PCK, R9A07G044_CLK_P0,
0x584, 1),
DEF_MOD("scif2", R9A07G044_SCIF2_CLK_PCK, R9A07G044_CLK_P0,
0x584, 2),
DEF_MOD("scif3", R9A07G044_SCIF3_CLK_PCK, R9A07G044_CLK_P0,
0x584, 3),
DEF_MOD("scif4", R9A07G044_SCIF4_CLK_PCK, R9A07G044_CLK_P0,
0x584, 4),
DEF_MOD("sci0", R9A07G044_SCI0_CLKP, R9A07G044_CLK_P0,
0x588, 0),
DEF_MOD("sci1", R9A07G044_SCI1_CLKP, R9A07G044_CLK_P0,
0x588, 1),
DEF_MOD("rspi0", R9A07G044_RSPI0_CLKB, R9A07G044_CLK_P0,
0x590, 0),
DEF_MOD("rspi1", R9A07G044_RSPI1_CLKB, R9A07G044_CLK_P0,
0x590, 1),
DEF_MOD("rspi2", R9A07G044_RSPI2_CLKB, R9A07G044_CLK_P0,
0x590, 2),
DEF_MOD("canfd", R9A07G044_CANFD_PCLK, R9A07G044_CLK_P0,
0x594, 0),
DEF_MOD("gpio", R9A07G044_GPIO_HCLK, R9A07G044_OSCCLK,
0x598, 0),
DEF_MOD("adc_adclk", R9A07G044_ADC_ADCLK, R9A07G044_CLK_TSU,
0x5a8, 0),
DEF_MOD("adc_pclk", R9A07G044_ADC_PCLK, R9A07G044_CLK_P0,
0x5a8, 1),
DEF_MOD("tsu_pclk", R9A07G044_TSU_PCLK, R9A07G044_CLK_TSU,
0x5ac, 0),
},
};
static const struct rzg2l_reset r9a07g044_resets[] = {
DEF_RST(R9A07G044_GIC600_GICRESET_N, 0x814, 0),
DEF_RST(R9A07G044_GIC600_DBG_GICRESET_N, 0x814, 1),
DEF_RST(R9A07G044_IA55_RESETN, 0x818, 0),
DEF_RST(R9A07G044_DMAC_ARESETN, 0x82c, 0),
DEF_RST(R9A07G044_DMAC_RST_ASYNC, 0x82c, 1),
DEF_RST(R9A07G044_OSTM0_PRESETZ, 0x834, 0),
DEF_RST(R9A07G044_OSTM1_PRESETZ, 0x834, 1),
DEF_RST(R9A07G044_OSTM2_PRESETZ, 0x834, 2),
DEF_RST(R9A07G044_MTU_X_PRESET_MTU3, 0x838, 0),
DEF_RST(R9A07G044_GPT_RST_C, 0x840, 0),
DEF_RST(R9A07G044_POEG_A_RST, 0x844, 0),
DEF_RST(R9A07G044_POEG_B_RST, 0x844, 1),
DEF_RST(R9A07G044_POEG_C_RST, 0x844, 2),
DEF_RST(R9A07G044_POEG_D_RST, 0x844, 3),
DEF_RST(R9A07G044_WDT0_PRESETN, 0x848, 0),
DEF_RST(R9A07G044_WDT1_PRESETN, 0x848, 1),
DEF_RST(R9A07G044_SPI_RST, 0x850, 0),
DEF_RST(R9A07G044_SDHI0_IXRST, 0x854, 0),
DEF_RST(R9A07G044_SDHI1_IXRST, 0x854, 1),
DEF_RST(R9A07G044_GPU_RESETN, 0x858, 0),
DEF_RST(R9A07G044_GPU_AXI_RESETN, 0x858, 1),
DEF_RST(R9A07G044_GPU_ACE_RESETN, 0x858, 2),
DEF_RST(R9A07G044_CRU_CMN_RSTB, 0x864, 0),
DEF_RST(R9A07G044_CRU_PRESETN, 0x864, 1),
DEF_RST(R9A07G044_CRU_ARESETN, 0x864, 2),
DEF_RST(R9A07G044_MIPI_DSI_CMN_RSTB, 0x868, 0),
DEF_RST(R9A07G044_MIPI_DSI_ARESET_N, 0x868, 1),
DEF_RST(R9A07G044_MIPI_DSI_PRESET_N, 0x868, 2),
DEF_RST(R9A07G044_LCDC_RESET_N, 0x86c, 0),
DEF_RST(R9A07G044_SSI0_RST_M2_REG, 0x870, 0),
DEF_RST(R9A07G044_SSI1_RST_M2_REG, 0x870, 1),
DEF_RST(R9A07G044_SSI2_RST_M2_REG, 0x870, 2),
DEF_RST(R9A07G044_SSI3_RST_M2_REG, 0x870, 3),
DEF_RST(R9A07G044_USB_U2H0_HRESETN, 0x878, 0),
DEF_RST(R9A07G044_USB_U2H1_HRESETN, 0x878, 1),
DEF_RST(R9A07G044_USB_U2P_EXL_SYSRST, 0x878, 2),
DEF_RST(R9A07G044_USB_PRESETN, 0x878, 3),
DEF_RST(R9A07G044_ETH0_RST_HW_N, 0x87c, 0),
DEF_RST(R9A07G044_ETH1_RST_HW_N, 0x87c, 1),
DEF_RST(R9A07G044_I2C0_MRST, 0x880, 0),
DEF_RST(R9A07G044_I2C1_MRST, 0x880, 1),
DEF_RST(R9A07G044_I2C2_MRST, 0x880, 2),
DEF_RST(R9A07G044_I2C3_MRST, 0x880, 3),
DEF_RST(R9A07G044_SCIF0_RST_SYSTEM_N, 0x884, 0),
DEF_RST(R9A07G044_SCIF1_RST_SYSTEM_N, 0x884, 1),
DEF_RST(R9A07G044_SCIF2_RST_SYSTEM_N, 0x884, 2),
DEF_RST(R9A07G044_SCIF3_RST_SYSTEM_N, 0x884, 3),
DEF_RST(R9A07G044_SCIF4_RST_SYSTEM_N, 0x884, 4),
DEF_RST(R9A07G044_SCI0_RST, 0x888, 0),
DEF_RST(R9A07G044_SCI1_RST, 0x888, 1),
DEF_RST(R9A07G044_RSPI0_RST, 0x890, 0),
DEF_RST(R9A07G044_RSPI1_RST, 0x890, 1),
DEF_RST(R9A07G044_RSPI2_RST, 0x890, 2),
DEF_RST(R9A07G044_CANFD_RSTP_N, 0x894, 0),
DEF_RST(R9A07G044_CANFD_RSTC_N, 0x894, 1),
DEF_RST(R9A07G044_GPIO_RSTN, 0x898, 0),
DEF_RST(R9A07G044_GPIO_PORT_RESETN, 0x898, 1),
DEF_RST(R9A07G044_GPIO_SPARE_RESETN, 0x898, 2),
DEF_RST(R9A07G044_ADC_PRESETN, 0x8a8, 0),
DEF_RST(R9A07G044_ADC_ADRST_N, 0x8a8, 1),
DEF_RST(R9A07G044_TSU_PRESETN, 0x8ac, 0),
};
const struct rzg2l_cpg_info r9a07g044_cpg_info = {
/* Core Clocks */
.core_clks = core_clks.common,
.num_core_clks = ARRAY_SIZE(core_clks.common),
/* Module Clocks */
.mod_clks = mod_clks.common,
.num_mod_clks = ARRAY_SIZE(mod_clks.common),
.num_hw_mod_clks = R9A07G044_TSU_PCLK + 1,
/* Resets */
.resets = r9a07g044_resets,
.num_resets = R9A07G044_TSU_PRESETN + 1, /* Last reset ID + 1 */
.has_clk_mon_regs = true,
};
static const struct udevice_id r9a07g044_cpg_ids[] = {
{
.compatible = "renesas,r9a07g044-cpg",
.data = (unsigned long)&r9a07g044_cpg_info,
},
{ /* sentinel */ }
};
U_BOOT_DRIVER(r9a07g044_cpg) = {
.name = "r9a07g044-cpg",
.id = UCLASS_NOP,
.of_match = r9a07g044_cpg_ids,
.bind = rzg2l_cpg_bind,
.flags = DM_FLAG_PRE_RELOC,
};

505
drivers/clk/renesas/rzg2l-cpg.c Normal file
View file

@ -0,0 +1,505 @@
// SPDX-License-Identifier: GPL-2.0
/*
* RZ/G2L Clock Pulse Generator
*
* Copyright (C) 2021-2023 Renesas Electronics Corp.
*
* Based on renesas-cpg-mssr.c
*
* Copyright (C) 2015 Glider bvba
* Copyright (C) 2013 Ideas On Board SPRL
* Copyright (C) 2015 Renesas Electronics Corp.
*/
#include <common.h>
#include <asm/io.h>
#include <clk-uclass.h>
#include <dm.h>
#include <dm/device-internal.h>
#include <dm/device_compat.h>
#include <dm/devres.h>
#include <dm/lists.h>
#include <dt-bindings/clock/renesas-cpg-mssr.h>
#include <linux/clk-provider.h>
#include <linux/iopoll.h>
#include <reset-uclass.h>
#include <reset.h>
#include "rzg2l-cpg.h"
#define CLK_MON_R(reg) (0x180 + (reg))
static ulong rzg2l_cpg_clk_get_rate_by_id(struct udevice *dev, unsigned int id);
static ulong rzg2l_cpg_clk_get_rate_by_name(struct udevice *dev, const char *name);
struct rzg2l_cpg_data {
void __iomem *base;
struct rzg2l_cpg_info *info;
};
/*
* The top 16 bits of the clock ID are used to identify if it is a core clock or
* a module clock.
*/
#define CPG_CLK_TYPE_SHIFT 16
#define CPG_CLK_ID_MASK 0xffff
#define CPG_CLK_ID(x) ((x) & CPG_CLK_ID_MASK)
#define CPG_CLK_PACK(type, id) (((type) << CPG_CLK_TYPE_SHIFT) | CPG_CLK_ID(id))
static inline bool is_mod_clk(unsigned int id)
{
return (id >> CPG_CLK_TYPE_SHIFT) == CPG_MOD;
}
static int rzg2l_cpg_clk_set(struct clk *clk, bool enable)
{
struct rzg2l_cpg_data *data =
(struct rzg2l_cpg_data *)dev_get_driver_data(clk->dev);
const unsigned int cpg_clk_id = CPG_CLK_ID(clk->id);
const struct rzg2l_mod_clk *mod_clk = NULL;
u32 value;
unsigned int i;
dev_dbg(clk->dev, "%s %s clock %u\n", enable ? "enable" : "disable",
is_mod_clk(clk->id) ? "module" : "core", cpg_clk_id);
if (!is_mod_clk(clk->id)) {
dev_err(clk->dev, "ID %lu is not a module clock\n", clk->id);
return -EINVAL;
}
for (i = 0; i < data->info->num_mod_clks; i++) {
if (data->info->mod_clks[i].id == cpg_clk_id) {
mod_clk = &data->info->mod_clks[i];
break;
}
}
if (!mod_clk) {
dev_err(clk->dev, "Module clock %u not found\n", cpg_clk_id);
return -ENODEV;
}
value = BIT(mod_clk->bit) << 16;
if (enable)
value |= BIT(mod_clk->bit);
writel(value, data->base + mod_clk->off);
if (enable && readl_poll_timeout(data->base + CLK_MON_R(mod_clk->off),
value, (value & BIT(mod_clk->bit)),
10)) {
dev_err(clk->dev, "Timeout\n");
return -ETIMEDOUT;
}
return 0;
}
static int rzg2l_cpg_clk_enable(struct clk *clk)
{
return rzg2l_cpg_clk_set(clk, true);
}
static int rzg2l_cpg_clk_disable(struct clk *clk)
{
return rzg2l_cpg_clk_set(clk, false);
}
static int rzg2l_cpg_clk_of_xlate(struct clk *clk,
struct ofnode_phandle_args *args)
{
struct rzg2l_cpg_data *data =
(struct rzg2l_cpg_data *)dev_get_driver_data(clk->dev);
u32 cpg_clk_type, cpg_clk_id;
bool found = false;
unsigned int i;
if (args->args_count != 2) {
dev_dbg(clk->dev, "Invalid args_count: %d\n", args->args_count);
return -EINVAL;
}
cpg_clk_type = args->args[0];
cpg_clk_id = args->args[1];
switch (cpg_clk_type) {
case CPG_CORE:
for (i = 0; i < data->info->num_core_clks; i++) {
if (data->info->core_clks[i].id == cpg_clk_id) {
found = true;
break;
}
}
if (!found) {
dev_dbg(clk->dev,
"Invalid second argument %u: Must be a valid core clock ID\n",
cpg_clk_id);
return -EINVAL;
}
break;
case CPG_MOD:
for (i = 0; i < data->info->num_mod_clks; i++) {
if (data->info->mod_clks[i].id == cpg_clk_id) {
found = true;
break;
}
}
if (!found) {
dev_dbg(clk->dev,
"Invalid second argument %u: Must be a valid module clock ID\n",
cpg_clk_id);
return -EINVAL;
}
break;
default:
dev_dbg(clk->dev,
"Invalid first argument %u: Must be CPG_CORE or CPG_MOD\n",
cpg_clk_type);
return -EINVAL;
}
clk->id = CPG_CLK_PACK(cpg_clk_type, cpg_clk_id);
return 0;
}
static ulong rzg2l_sdhi_clk_get_rate(struct udevice *dev, const struct cpg_core_clk *cc)
{
struct rzg2l_cpg_data *data =
(struct rzg2l_cpg_data *)dev_get_driver_data(dev);
const ulong offset = CPG_CONF_OFFSET(cc->conf);
const int shift = CPG_CONF_BITPOS(cc->conf);
const u32 mask = CPG_CONF_BITMASK(cc->conf);
unsigned int sel;
sel = (readl(data->base + offset) >> shift) & mask;
if (!sel || sel > cc->num_parents) {
dev_err(dev, "Invalid SEL_SDHI%d_SET value %u\n", shift / 4, sel);
return -EIO;
}
return rzg2l_cpg_clk_get_rate_by_name(dev, cc->parent_names[sel - 1]);
}
static ulong rzg2l_div_clk_get_rate(struct udevice *dev, const struct cpg_core_clk *cc)
{
struct rzg2l_cpg_data *data =
(struct rzg2l_cpg_data *)dev_get_driver_data(dev);
const ulong offset = CPG_CONF_OFFSET(cc->conf);
const int shift = CPG_CONF_BITPOS(cc->conf);
const u32 mask = CPG_CONF_BITMASK(cc->conf);
unsigned int sel, i;
sel = (readl(data->base + offset) >> shift) & mask;
for (i = 0; cc->dtable[i].div; i++) {
if (cc->dtable[i].val == sel)
return rzg2l_cpg_clk_get_rate_by_id(dev, cc->parent) / cc->dtable[i].div;
}
dev_err(dev, "Invalid selector value %u for clock %s\n", sel, cc->name);
return -EINVAL;
}
static ulong rzg2l_core_clk_get_rate(struct udevice *dev, const struct cpg_core_clk *cc)
{
switch (cc->type) {
case CLK_TYPE_FF:
const ulong parent_rate = rzg2l_cpg_clk_get_rate_by_id(dev, cc->parent);
return parent_rate * cc->mult / cc->div;
case CLK_TYPE_IN:
struct clk clk_in;
clk_get_by_name(dev, cc->name, &clk_in);
return clk_get_rate(&clk_in);
case CLK_TYPE_SD_MUX:
return rzg2l_sdhi_clk_get_rate(dev, cc);
case CLK_TYPE_DIV:
return rzg2l_div_clk_get_rate(dev, cc);
default:
dev_err(dev, "get_rate needed for clock %u, type %d\n", cc->id, cc->type);
return -ENOSYS;
}
}
static ulong rzg2l_cpg_clk_get_rate_by_id(struct udevice *dev, unsigned int id)
{
struct rzg2l_cpg_data *data =
(struct rzg2l_cpg_data *)dev_get_driver_data(dev);
const unsigned int cpg_clk_id = CPG_CLK_ID(id);
unsigned int i;
if (is_mod_clk(id)) {
for (i = 0; i < data->info->num_mod_clks; i++) {
if (data->info->mod_clks[i].id == cpg_clk_id)
return rzg2l_cpg_clk_get_rate_by_id(dev,
data->info->mod_clks[i].parent);
}
dev_err(dev, "Module clock ID %u not found\n", cpg_clk_id);
return -ENODEV;
}
for (i = 0; i < data->info->num_core_clks; i++) {
if (data->info->core_clks[i].id == cpg_clk_id)
return rzg2l_core_clk_get_rate(dev, &data->info->core_clks[i]);
}
dev_err(dev, "Core clock ID %u not found\n", cpg_clk_id);
return -ENODEV;
}
static ulong rzg2l_cpg_clk_get_rate_by_name(struct udevice *dev, const char *name)
{
struct rzg2l_cpg_data *data =
(struct rzg2l_cpg_data *)dev_get_driver_data(dev);
unsigned int i;
for (i = 0; i < data->info->num_mod_clks; i++) {
if (!strcmp(name, data->info->mod_clks[i].name))
return rzg2l_cpg_clk_get_rate_by_id(dev, data->info->mod_clks[i].parent);
}
for (i = 0; i < data->info->num_core_clks; i++) {
if (!strcmp(name, data->info->core_clks[i].name))
return rzg2l_core_clk_get_rate(dev, &data->info->core_clks[i]);
}
dev_err(dev, "Clock name %s not found\n", name);
return -EINVAL;
}
static ulong rzg2l_cpg_clk_get_rate(struct clk *clk)
{
return rzg2l_cpg_clk_get_rate_by_id(clk->dev, clk->id);
}
static ulong rzg2l_sdhi_clk_set_rate(struct udevice *dev, const struct cpg_core_clk *cc, ulong rate)
{
struct rzg2l_cpg_data *data =
(struct rzg2l_cpg_data *)dev_get_driver_data(dev);
const ulong offset = CPG_CONF_OFFSET(cc->conf);
const int shift = CPG_CONF_BITPOS(cc->conf);
int channel, new_sel, prev_sel;
ulong target_rate;
unsigned int i;
u32 value;
prev_sel = (readl(data->base + offset) >> shift) & 0x3;
channel = shift / 4;
/*
* Round the requested rate down, unless it is below the minimum
* supported rate. Assume that the parent clock names are listed in
* order of descending rate.
*/
for (i = 0; i < cc->num_parents; i++) {
target_rate = rzg2l_cpg_clk_get_rate_by_name(dev, cc->parent_names[i]);
if (rate >= target_rate) {
new_sel = i + 1;
break;
}
}
if (!new_sel)
new_sel = cc->num_parents - 1;
if (new_sel == prev_sel)
return target_rate;
dev_dbg(dev, "sdhi set_rate rate=%lu target_rate=%lu sel=%d\n",
rate, target_rate, new_sel);
/*
* As per the HW manual, we should not directly switch from 533 MHz to
* 400 MHz and vice versa. To change the setting from 2’b01 (533 MHz)
* to 2’b10 (400 MHz) or vice versa, Switch to 2’b11 (266 MHz) first,
* and then switch to the target setting (2’b01 (533 MHz) or 2’b10
* (400 MHz)).
*/
if (new_sel != SEL_SDHI_266MHz && prev_sel != SEL_SDHI_266MHz) {
u32 waitbit;
int ret;
dev_dbg(dev, "sdhi set_rate via 266MHz\n");
value = (SEL_SDHI_WRITE_ENABLE | SEL_SDHI_266MHz) << shift;
writel(value, data->base + offset);
/* Wait for the switch to complete. */
waitbit = channel ? CPG_CLKSTATUS_SELSDHI1_STS : CPG_CLKSTATUS_SELSDHI0_STS;
ret = readl_poll_timeout(data->base + CPG_CLKSTATUS, value,
!(value & waitbit),
CPG_SDHI_CLK_SWITCH_STATUS_TIMEOUT_US);
if (ret) {
dev_err(dev, "Failed to switch SDHI%d clock source\n", channel);
return -EIO;
}
}
value = (SEL_SDHI_WRITE_ENABLE | new_sel) << shift;
writel(value, data->base + offset);
return target_rate;
}
static ulong rzg2l_core_clk_set_rate(struct udevice *dev, const struct cpg_core_clk *cc, ulong rate)
{
if (cc->type == CLK_TYPE_SD_MUX)
return rzg2l_sdhi_clk_set_rate(dev, cc, rate);
/*
* The sdhi driver calls clk_set_rate for SD0_DIV4 and SD1_DIV4, even
* though they're in a fixed relationship with SD0 and SD1 respectively.
* To allow the driver to proceed, simply return the current rates
* without making any change.
*/
if (cc->id == CLK_SD0_DIV4 || cc->id == CLK_SD1_DIV4)
return rzg2l_core_clk_get_rate(dev, cc);
dev_err(dev, "set_rate needed for clock %u, type %d\n", cc->id, cc->type);
return -ENOSYS;
}
static ulong rzg2l_cpg_clk_set_rate_by_id(struct udevice *dev, unsigned int id, ulong rate)
{
struct rzg2l_cpg_data *data =
(struct rzg2l_cpg_data *)dev_get_driver_data(dev);
const unsigned int cpg_clk_id = CPG_CLK_ID(id);
unsigned int i;
if (is_mod_clk(id)) {
for (i = 0; i < data->info->num_mod_clks; i++) {
if (data->info->mod_clks[i].id == cpg_clk_id)
return rzg2l_cpg_clk_set_rate_by_id(dev,
data->info->mod_clks[i].parent,
rate);
}
dev_err(dev, "Module clock ID %u not found\n", cpg_clk_id);
return -ENODEV;
}
for (i = 0; i < data->info->num_core_clks; i++) {
if (data->info->core_clks[i].id == cpg_clk_id)
return rzg2l_core_clk_set_rate(dev, &data->info->core_clks[i], rate);
}
dev_err(dev, "Core clock ID %u not found\n", cpg_clk_id);
return -ENODEV;
}
static ulong rzg2l_cpg_clk_set_rate(struct clk *clk, ulong rate)
{
return rzg2l_cpg_clk_set_rate_by_id(clk->dev, clk->id, rate);
}
static const struct clk_ops rzg2l_cpg_clk_ops = {
.enable = rzg2l_cpg_clk_enable,
.disable = rzg2l_cpg_clk_disable,
.of_xlate = rzg2l_cpg_clk_of_xlate,
.get_rate = rzg2l_cpg_clk_get_rate,
.set_rate = rzg2l_cpg_clk_set_rate,
};
U_BOOT_DRIVER(rzg2l_cpg_clk) = {
.name = "rzg2l-cpg-clk",
.id = UCLASS_CLK,
.ops = &rzg2l_cpg_clk_ops,
.flags = DM_FLAG_VITAL,
};
static int rzg2l_cpg_rst_set(struct reset_ctl *reset_ctl, bool asserted)
{
struct rzg2l_cpg_data *data =
(struct rzg2l_cpg_data *)dev_get_driver_data(reset_ctl->dev);
const struct rzg2l_reset *rst;
u32 value;
dev_dbg(reset_ctl->dev, "%s %lu\n", asserted ? "assert" : "deassert", reset_ctl->id);
if (reset_ctl->id >= data->info->num_resets) {
dev_err(reset_ctl->dev, "Invalid reset id %lu\n", reset_ctl->id);
return -EINVAL;
}
rst = &data->info->resets[reset_ctl->id];
value = BIT(rst->bit) << 16;
if (!asserted)
value |= BIT(rst->bit);
writel(value, data->base + rst->off);
return 0;
}
static int rzg2l_cpg_rst_assert(struct reset_ctl *reset_ctl)
{
return rzg2l_cpg_rst_set(reset_ctl, true);
}
static int rzg2l_cpg_rst_deassert(struct reset_ctl *reset_ctl)
{
return rzg2l_cpg_rst_set(reset_ctl, false);
}
static int rzg2l_cpg_rst_of_xlate(struct reset_ctl *reset_ctl,
struct ofnode_phandle_args *args)
{
struct rzg2l_cpg_data *data =
(struct rzg2l_cpg_data *)dev_get_driver_data(reset_ctl->dev);
if (args->args[0] >= data->info->num_resets)
return -EINVAL;
reset_ctl->id = args->args[0];
return 0;
}
static const struct reset_ops rzg2l_cpg_rst_ops = {
.rst_assert = rzg2l_cpg_rst_assert,
.rst_deassert = rzg2l_cpg_rst_deassert,
.of_xlate = rzg2l_cpg_rst_of_xlate,
};
U_BOOT_DRIVER(rzg2l_cpg_rst) = {
.name = "rzg2l-cpg-rst",
.id = UCLASS_RESET,
.ops = &rzg2l_cpg_rst_ops,
.flags = DM_FLAG_VITAL,
};
int rzg2l_cpg_bind(struct udevice *parent)
{
struct udevice *cdev, *rdev;
struct rzg2l_cpg_data *data;
struct driver *drv;
int ret;
data = devm_kmalloc(parent, sizeof(*data), 0);
if (!data)
return -ENOMEM;
data->base = dev_read_addr_ptr(parent);
if (!data->base)
return -EINVAL;
data->info = (struct rzg2l_cpg_info *)dev_get_driver_data(parent);
if (!data->info)
return -EINVAL;
drv = lists_driver_lookup_name("rzg2l-cpg-clk");
if (!drv)
return -ENOENT;
ret = device_bind_with_driver_data(parent, drv, parent->name,
(ulong)data, dev_ofnode(parent),
&cdev);
if (ret)
return ret;
drv = lists_driver_lookup_name("rzg2l-cpg-rst");
if (!drv) {
device_unbind(cdev);
return -ENOENT;
}
ret = device_bind_with_driver_data(parent, drv, parent->name,
(ulong)data, dev_ofnode(parent),
&rdev);
if (ret)
device_unbind(cdev);
return ret;
}

319
drivers/clk/renesas/rzg2l-cpg.h Normal file
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@ -0,0 +1,319 @@
/* SPDX-License-Identifier: GPL-2.0 */
/*
* RZ/G2L Clock Pulse Generator
*
* Copyright (C) 2021-2023 Renesas Electronics Corp.
*
*/
#ifndef __RENESAS_RZG2L_CPG_H__
#define __RENESAS_RZG2L_CPG_H__
#define CPG_SIPLL5_STBY 0x140
#define CPG_SIPLL5_CLK1 0x144
#define CPG_SIPLL5_CLK3 0x14C
#define CPG_SIPLL5_CLK4 0x150
#define CPG_SIPLL5_CLK5 0x154
#define CPG_SIPLL5_MON 0x15C
#define CPG_PL1_DDIV 0x200
#define CPG_PL2_DDIV 0x204
#define CPG_PL3A_DDIV 0x208
#define CPG_PL6_DDIV 0x210
#define CPG_PL2SDHI_DSEL 0x218
#define CPG_CLKSTATUS 0x280
#define CPG_PL3_SSEL 0x408
#define CPG_PL6_SSEL 0x414
#define CPG_PL6_ETH_SSEL 0x418
#define CPG_PL5_SDIV 0x420
#define CPG_RST_MON 0x680
#define CPG_OTHERFUNC1_REG 0xBE8
#define CPG_SIPLL5_STBY_RESETB BIT(0)
#define CPG_SIPLL5_STBY_RESETB_WEN BIT(16)
#define CPG_SIPLL5_STBY_SSCG_EN_WEN BIT(18)
#define CPG_SIPLL5_STBY_DOWNSPREAD_WEN BIT(20)
#define CPG_SIPLL5_CLK4_RESV_LSB 0xFF
#define CPG_SIPLL5_MON_PLL5_LOCK BIT(4)
#define CPG_OTHERFUNC1_REG_RES0_ON_WEN BIT(16)
#define CPG_PL5_SDIV_DIV_DSI_A_WEN BIT(16)
#define CPG_PL5_SDIV_DIV_DSI_B_WEN BIT(24)
#define CPG_CLKSTATUS_SELSDHI0_STS BIT(28)
#define CPG_CLKSTATUS_SELSDHI1_STS BIT(29)
#define CPG_SDHI_CLK_SWITCH_STATUS_TIMEOUT_US 20000
/* n = 0/1/2 for PLL1/4/6 */
#define CPG_SAMPLL_CLK1(n) (0x04 + (16 * (n)))
#define CPG_SAMPLL_CLK2(n) (0x08 + (16 * (n)))
#define PLL146_CONF(n) (CPG_SAMPLL_CLK1(n) << 22 | CPG_SAMPLL_CLK2(n) << 12)
#define DDIV_PACK(offset, bitpos, size) \
(((offset) << 20) | ((bitpos) << 12) | ((size) << 8))
#define DIVPL1A DDIV_PACK(CPG_PL1_DDIV, 0, 2)
#define DIVPL2A DDIV_PACK(CPG_PL2_DDIV, 0, 3)
#define DIVDSILPCLK DDIV_PACK(CPG_PL2_DDIV, 12, 2)
#define DIVPL3A DDIV_PACK(CPG_PL3A_DDIV, 0, 3)
#define DIVPL3B DDIV_PACK(CPG_PL3A_DDIV, 4, 3)
#define DIVPL3C DDIV_PACK(CPG_PL3A_DDIV, 8, 3)
#define DIVGPU DDIV_PACK(CPG_PL6_DDIV, 0, 2)
#define SEL_PLL_PACK(offset, bitpos, size) \
(((offset) << 20) | ((bitpos) << 12) | ((size) << 8))
#define SEL_PLL3_3 SEL_PLL_PACK(CPG_PL3_SSEL, 8, 1)
#define SEL_PLL5_4 SEL_PLL_PACK(CPG_OTHERFUNC1_REG, 0, 1)
#define SEL_PLL6_2 SEL_PLL_PACK(CPG_PL6_ETH_SSEL, 0, 1)
#define SEL_GPU2 SEL_PLL_PACK(CPG_PL6_SSEL, 12, 1)
#define SEL_SDHI0 DDIV_PACK(CPG_PL2SDHI_DSEL, 0, 2)
#define SEL_SDHI1 DDIV_PACK(CPG_PL2SDHI_DSEL, 4, 2)
#define SEL_SDHI_533MHz 1
#define SEL_SDHI_400MHz 2
#define SEL_SDHI_266MHz 3
#define SEL_SDHI_WRITE_ENABLE 0x10000
/* Unpack CPG conf value create by DDIV_PACK() or SEL_PLL_PACK(). */
#define CPG_CONF_OFFSET(x) ((x) >> 20)
#define CPG_CONF_BITPOS(x) (((x) >> 12) & 0xff)
#define CPG_CONF_SIZE(x) (((x) >> 8) & 0xf)
#define CPG_CONF_BITMASK(x) GENMASK(CPG_CONF_SIZE(x) - 1, 0)
#define EXTAL_FREQ_IN_MEGA_HZ 24
/**
* Definitions of CPG Core Clocks
*
* These include:
* - Clock outputs exported to DT
* - External input clocks
* - Internal CPG clocks
*/
struct cpg_core_clk {
const char *name;
unsigned int id;
unsigned int parent;
unsigned int div;
unsigned int mult;
unsigned int type;
unsigned int conf;
const struct clk_div_table *dtable;
const char * const *parent_names;
int flag;
int mux_flags;
int num_parents;
};
enum clk_types {
/* Generic */
CLK_TYPE_IN, /* External Clock Input */
CLK_TYPE_FF, /* Fixed Factor Clock */
CLK_TYPE_SAM_PLL,
/* Clock with divider */
CLK_TYPE_DIV,
/* Clock with clock source selector */
CLK_TYPE_MUX,
/* Clock with SD clock source selector */
CLK_TYPE_SD_MUX,
/* Clock for SIPLL5 */
CLK_TYPE_SIPLL5,
/* Clock for PLL5_4 clock source selector */
CLK_TYPE_PLL5_4_MUX,
/* Clock for DSI divider */
CLK_TYPE_DSI_DIV,
};
#define DEF_TYPE(_name, _id, _type...) \
{ .name = _name, .id = _id, .type = _type }
#define DEF_BASE(_name, _id, _type, _parent...) \
DEF_TYPE(_name, _id, _type, .parent = _parent)
#define DEF_SAMPLL(_name, _id, _parent, _conf) \
DEF_TYPE(_name, _id, CLK_TYPE_SAM_PLL, .parent = _parent, .conf = _conf)
#define DEF_INPUT(_name, _id) \
DEF_TYPE(_name, _id, CLK_TYPE_IN)
#define DEF_FIXED(_name, _id, _parent, _mult, _div) \
DEF_BASE(_name, _id, CLK_TYPE_FF, _parent, .div = _div, .mult = _mult)
#define DEF_DIV(_name, _id, _parent, _conf, _dtable) \
DEF_TYPE(_name, _id, CLK_TYPE_DIV, .conf = _conf, \
.parent = _parent, .dtable = _dtable, \
.flag = CLK_DIVIDER_HIWORD_MASK)
#define DEF_DIV_RO(_name, _id, _parent, _conf, _dtable) \
DEF_TYPE(_name, _id, CLK_TYPE_DIV, .conf = _conf, \
.parent = _parent, .dtable = _dtable, \
.flag = CLK_DIVIDER_READ_ONLY)
#define DEF_MUX(_name, _id, _conf, _parent_names) \
DEF_TYPE(_name, _id, CLK_TYPE_MUX, .conf = _conf, \
.parent_names = _parent_names, \
.num_parents = ARRAY_SIZE(_parent_names), \
.mux_flags = CLK_MUX_HIWORD_MASK)
#define DEF_MUX_RO(_name, _id, _conf, _parent_names) \
DEF_TYPE(_name, _id, CLK_TYPE_MUX, .conf = _conf, \
.parent_names = _parent_names, \
.num_parents = ARRAY_SIZE(_parent_names), \
.mux_flags = CLK_MUX_READ_ONLY)
#define DEF_SD_MUX(_name, _id, _conf, _parent_names) \
DEF_TYPE(_name, _id, CLK_TYPE_SD_MUX, .conf = _conf, \
.parent_names = _parent_names, \
.num_parents = ARRAY_SIZE(_parent_names))
#define DEF_PLL5_FOUTPOSTDIV(_name, _id, _parent) \
DEF_TYPE(_name, _id, CLK_TYPE_SIPLL5, .parent = _parent)
#define DEF_PLL5_4_MUX(_name, _id, _conf, _parent_names) \
DEF_TYPE(_name, _id, CLK_TYPE_PLL5_4_MUX, .conf = _conf, \
.parent_names = _parent_names, \
.num_parents = ARRAY_SIZE(_parent_names))
#define DEF_DSI_DIV(_name, _id, _parent, _flag) \
DEF_TYPE(_name, _id, CLK_TYPE_DSI_DIV, .parent = _parent, .flag = _flag)
/**
* struct rzg2l_mod_clk - Module Clocks definitions
*
* @name: handle between common and hardware-specific interfaces
* @id: clock index in array containing all Core and Module Clocks
* @parent: id of parent clock
* @off: register offset
* @bit: ON/MON bit
* @is_coupled: flag to indicate coupled clock
*/
struct rzg2l_mod_clk {
const char *name;
unsigned int id;
unsigned int parent;
u16 off;
u8 bit;
bool is_coupled;
};
#define DEF_MOD_BASE(_name, _id, _parent, _off, _bit, _is_coupled) \
{ \
.name = (_name), \
.id = (_id), \
.parent = (_parent), \
.off = (_off), \
.bit = (_bit), \
.is_coupled = (_is_coupled), \
}
#define DEF_MOD(_name, _id, _parent, _off, _bit) \
DEF_MOD_BASE(_name, _id, _parent, _off, _bit, false)
#define DEF_COUPLED(_name, _id, _parent, _off, _bit) \
DEF_MOD_BASE(_name, _id, _parent, _off, _bit, true)
/**
* struct rzg2l_reset - Reset definitions
*
* @off: register offset
* @bit: reset bit
* @monbit: monitor bit in CPG_RST_MON register, -1 if none
*/
struct rzg2l_reset {
u16 off;
u8 bit;
s8 monbit;
};
#define DEF_RST_MON(_id, _off, _bit, _monbit) \
[_id] = { \
.off = (_off), \
.bit = (_bit), \
.monbit = (_monbit) \
}
#define DEF_RST(_id, _off, _bit) \
DEF_RST_MON(_id, _off, _bit, -1)
/**
* struct rzg2l_cpg_info - SoC-specific CPG Description
*
* @core_clks: Array of Core Clock definitions
* @num_core_clks: Number of entries in core_clks[]
*
* @mod_clks: Array of Module Clock definitions
* @num_mod_clks: Number of entries in mod_clks[]
* @num_hw_mod_clks: Number of Module Clocks supported by the hardware
*
* @resets: Array of Module Reset definitions
* @num_resets: Number of entries in resets[]
*
* @has_clk_mon_regs: Flag indicating whether the SoC has CLK_MON registers
*/
struct rzg2l_cpg_info {
/* Core Clocks */
const struct cpg_core_clk *core_clks;
unsigned int num_core_clks;
/* Module Clocks */
const struct rzg2l_mod_clk *mod_clks;
unsigned int num_mod_clks;
unsigned int num_hw_mod_clks;
/* Resets */
const struct rzg2l_reset *resets;
unsigned int num_resets;
bool has_clk_mon_regs;
};
extern const struct rzg2l_cpg_info r9a07g044_cpg_info;
int rzg2l_cpg_bind(struct udevice *parent);
/*
* Clock IDs start at an offset to avoid overlapping with core & module clock
* IDs defined in the dt-bindings headers.
*/
enum clk_ids {
/* External Input Clocks */
CLK_EXTAL = 0x100,
/* Internal Core Clocks */
CLK_OSC_DIV1000 = 0x200,
CLK_PLL1,
CLK_PLL2,
CLK_PLL2_DIV2,
CLK_PLL2_DIV2_8,
CLK_PLL2_DIV2_10,
CLK_PLL3,
CLK_PLL3_400,
CLK_PLL3_533,
CLK_M2_DIV2,
CLK_PLL3_DIV2,
CLK_PLL3_DIV2_2,
CLK_PLL3_DIV2_4,
CLK_PLL3_DIV2_4_2,
CLK_SEL_PLL3_3,
CLK_DIV_PLL3_C,
CLK_PLL4,
CLK_PLL5,
CLK_PLL5_FOUTPOSTDIV,
CLK_PLL5_FOUT1PH0,
CLK_PLL5_FOUT3,
CLK_PLL5_250,
CLK_PLL6,
CLK_PLL6_250,
CLK_P1_DIV2,
CLK_PLL2_800,
CLK_PLL2_SDHI_533,
CLK_PLL2_SDHI_400,
CLK_PLL2_SDHI_266,
CLK_SD0_DIV4,
CLK_SD1_DIV4,
CLK_SEL_GPU2,
CLK_SEL_PLL5_4,
CLK_DSI_DIV,
CLK_PLL2_533,
CLK_PLL2_533_DIV2,
CLK_DIV_DSI_LPCLK,
};
#endif

7
drivers/gpio/Kconfig
View file

@ -659,4 +659,11 @@ config ADP5585_GPIO
help
Support ADP5585 GPIO expander.
config RZG2L_GPIO
bool "Renesas RZ/G2L family GPIO driver"
depends on DM_GPIO && PINCTRL_RZG2L
help
Support the gpio functionality of the pin function controller (PFC)
on the Renesas RZ/G2L SoC family.
endif

1
drivers/gpio/Makefile
View file

@ -74,3 +74,4 @@ obj-$(CONFIG_SLG7XL45106_I2C_GPO) += gpio_slg7xl45106.o
obj-$(CONFIG_$(SPL_TPL_)TURRIS_OMNIA_MCU) += turris_omnia_mcu.o
obj-$(CONFIG_FTGPIO010) += ftgpio010.o
obj-$(CONFIG_ADP5585_GPIO) += adp5585_gpio.o
obj-$(CONFIG_RZG2L_GPIO) += rzg2l-gpio.o

170
drivers/gpio/rzg2l-gpio.c Normal file
View file

@ -0,0 +1,170 @@
// SPDX-License-Identifier: GPL-2.0
/*
* RZ/G2L Pin Function Controller
*
* Copyright (C) 2021-2023 Renesas Electronics Corp.
*/
#include <common.h>
#include <asm-generic/gpio.h>
#include <asm/io.h>
#include <dm/device.h>
#include <dm/device_compat.h>
#include <renesas/rzg2l-pfc.h>
static void rzg2l_gpio_set(const struct rzg2l_pfc_data *data, u32 port, u8 pin,
bool value)
{
if (value)
setbits_8(data->base + P(port), BIT(pin));
else
clrbits_8(data->base + P(port), BIT(pin));
}
static int rzg2l_gpio_get_value(struct udevice *dev, unsigned int offset)
{
const struct rzg2l_pfc_data *data =
(const struct rzg2l_pfc_data *)dev_get_driver_data(dev);
const u32 port = RZG2L_PINMUX_TO_PORT(offset);
const u8 pin = RZG2L_PINMUX_TO_PIN(offset);
u16 pm_state;
pm_state = (readw(data->base + PM(port)) >> (pin * 2)) & PM_MASK;
switch (pm_state) {
case PM_INPUT:
return !!(readb(data->base + PIN(port)) & BIT(pin));
case PM_OUTPUT:
case PM_OUTPUT_IEN:
return !!(readb(data->base + P(port)) & BIT(pin));
default: /* PM_HIGH_Z */
return 0;
}
}
static int rzg2l_gpio_set_value(struct udevice *dev, unsigned int offset,
int value)
{
const struct rzg2l_pfc_data *data =
(const struct rzg2l_pfc_data *)dev_get_driver_data(dev);
const u32 port = RZG2L_PINMUX_TO_PORT(offset);
const u8 pin = RZG2L_PINMUX_TO_PIN(offset);
rzg2l_gpio_set(data, port, pin, (bool)value);
return 0;
}
static void rzg2l_gpio_set_direction(const struct rzg2l_pfc_data *data,
u32 port, u8 pin, bool output)
{
clrsetbits_le16(data->base + PM(port), PM_MASK << (pin * 2),
(output ? PM_OUTPUT : PM_INPUT) << (pin * 2));
}
static int rzg2l_gpio_direction_input(struct udevice *dev, unsigned int offset)
{
const struct rzg2l_pfc_data *data =
(const struct rzg2l_pfc_data *)dev_get_driver_data(dev);
const u32 port = RZG2L_PINMUX_TO_PORT(offset);
const u8 pin = RZG2L_PINMUX_TO_PIN(offset);
rzg2l_gpio_set_direction(data, port, pin, false);
return 0;
}
static int rzg2l_gpio_direction_output(struct udevice *dev, unsigned int offset,
int value)
{
const struct rzg2l_pfc_data *data =
(const struct rzg2l_pfc_data *)dev_get_driver_data(dev);
const u32 port = RZG2L_PINMUX_TO_PORT(offset);
const u8 pin = RZG2L_PINMUX_TO_PIN(offset);
rzg2l_gpio_set(data, port, pin, (bool)value);
rzg2l_gpio_set_direction(data, port, pin, true);
return 0;
}
static int rzg2l_gpio_request(struct udevice *dev, unsigned int offset,
const char *label)
{
const struct rzg2l_pfc_data *data =
(const struct rzg2l_pfc_data *)dev_get_driver_data(dev);
const u32 port = RZG2L_PINMUX_TO_PORT(offset);
const u8 pin = RZG2L_PINMUX_TO_PIN(offset);
if (!rzg2l_port_validate(data, port, pin)) {
dev_err(dev, "Invalid GPIO %u:%u\n", port, pin);
return -EINVAL;
}
/* Select GPIO mode in PMC Register */
clrbits_8(data->base + PMC(port), BIT(pin));
return 0;
}
static int rzg2l_gpio_get_function(struct udevice *dev, unsigned int offset)
{
const struct rzg2l_pfc_data *data =
(const struct rzg2l_pfc_data *)dev_get_driver_data(dev);
const u32 port = RZG2L_PINMUX_TO_PORT(offset);
const u8 pin = RZG2L_PINMUX_TO_PIN(offset);
u16 pm_state;
u8 pmc_state;
if (!rzg2l_port_validate(data, port, pin)) {
/* This offset does not correspond to a valid GPIO pin. */
return -ENOENT;
}
/* Check if the pin is in GPIO or function mode. */
pmc_state = readb(data->base + PMC(port)) & BIT(pin);
if (pmc_state)
return GPIOF_FUNC;
/* Check the pin direction. */
pm_state = (readw(data->base + PM(port)) >> (pin * 2)) & PM_MASK;
switch (pm_state) {
case PM_INPUT:
return GPIOF_INPUT;
case PM_OUTPUT:
case PM_OUTPUT_IEN:
return GPIOF_OUTPUT;
default: /* PM_HIGH_Z */
return GPIOF_UNUSED;
}
}
static const struct dm_gpio_ops rzg2l_gpio_ops = {
.direction_input = rzg2l_gpio_direction_input,
.direction_output = rzg2l_gpio_direction_output,
.get_value = rzg2l_gpio_get_value,
.set_value = rzg2l_gpio_set_value,
.request = rzg2l_gpio_request,
.get_function = rzg2l_gpio_get_function,
};
static int rzg2l_gpio_probe(struct udevice *dev)
{
struct gpio_dev_priv *uc_priv = dev_get_uclass_priv(dev);
struct ofnode_phandle_args args;
int ret;
uc_priv->bank_name = "rzg2l-pfc-gpio";
ret = ofnode_parse_phandle_with_args(dev_ofnode(dev), "gpio-ranges",
NULL, 3, 0, &args);
if (ret < 0) {
dev_err(dev, "Failed to parse gpio-ranges: %d\n", ret);
return -EINVAL;
}
uc_priv->gpio_count = args.args[2];
return rzg2l_pfc_enable(dev);
}
U_BOOT_DRIVER(rzg2l_pfc_gpio) = {
.name = "rzg2l-pfc-gpio",
.id = UCLASS_GPIO,
.ops = &rzg2l_gpio_ops,
.probe = rzg2l_gpio_probe,
};

81
drivers/mmc/renesas-sdhi.c
View file

@ -20,6 +20,7 @@
#include <linux/io.h>
#include <linux/sizes.h>
#include <power/regulator.h>
#include <reset.h>
#include <asm/unaligned.h>
#include "tmio-common.h"
@ -958,17 +959,85 @@ static void renesas_sdhi_filter_caps(struct udevice *dev)
priv->needs_clkh_fallback = false;
}
static int rzg2l_sdhi_setup(struct udevice *dev)
{
struct tmio_sd_priv *priv = dev_get_priv(dev);
struct clk imclk2, aclk;
struct reset_ctl rst;
int ret;
/*
* On members of the RZ/G2L SoC family, we need to enable
* additional chip detect and bus clocks, then release the SDHI
* module from reset.
*/
ret = clk_get_by_name(dev, "cd", &imclk2);
if (ret < 0) {
dev_err(dev, "failed to get imclk2 (chip detect clk)\n");
goto err_get_imclk2;
}
ret = clk_get_by_name(dev, "aclk", &aclk);
if (ret < 0) {
dev_err(dev, "failed to get aclk\n");
goto err_get_aclk;
}
ret = clk_enable(&imclk2);
if (ret < 0) {
dev_err(dev, "failed to enable imclk2 (chip detect clk)\n");
goto err_imclk2;
}
ret = clk_enable(&aclk);
if (ret < 0) {
dev_err(dev, "failed to enable aclk\n");
goto err_aclk;
}
ret = reset_get_by_index(dev, 0, &rst);
if (ret < 0) {
dev_err(dev, "failed to get reset line\n");
goto err_reset;
}
ret = reset_deassert(&rst);
if (ret < 0) {
dev_err(dev, "failed to de-assert reset line\n");
goto err_reset;
}
ret = tmio_sd_probe(dev, priv->quirks);
if (ret)
goto err_tmio_probe;
return 0;
err_tmio_probe:
reset_assert(&rst);
err_reset:
clk_disable(&aclk);
err_aclk:
clk_disable(&imclk2);
err_imclk2:
clk_free(&aclk);
err_get_aclk:
clk_free(&imclk2);
err_get_imclk2:
return ret;
}
static int renesas_sdhi_probe(struct udevice *dev)
{
struct tmio_sd_priv *priv = dev_get_priv(dev);
u32 quirks = dev_get_driver_data(dev);
struct fdt_resource reg_res;
DECLARE_GLOBAL_DATA_PTR;
int ret;
priv->clk_get_rate = renesas_sdhi_clk_get_rate;
if (quirks == RENESAS_GEN2_QUIRKS) {
priv->quirks = dev_get_driver_data(dev);
if (priv->quirks == RENESAS_GEN2_QUIRKS) {
ret = fdt_get_resource(gd->fdt_blob, dev_of_offset(dev),
"reg", 0, &reg_res);
if (ret < 0) {
@ -978,7 +1047,7 @@ static int renesas_sdhi_probe(struct udevice *dev)
}
if (fdt_resource_size(&reg_res) == 0x100)
quirks |= TMIO_SD_CAP_16BIT;
priv->quirks |= TMIO_SD_CAP_16BIT;
}
ret = clk_get_by_index(dev, 0, &priv->clk);
@ -1012,8 +1081,10 @@ static int renesas_sdhi_probe(struct udevice *dev)
goto err_clkh;
}
priv->quirks = quirks;
ret = tmio_sd_probe(dev, quirks);
if (device_is_compatible(dev, "renesas,sdhi-r9a07g044"))
ret = rzg2l_sdhi_setup(dev);
else
ret = tmio_sd_probe(dev, priv->quirks);
if (ret)
goto err_tmio_probe;

9
drivers/pinctrl/renesas/Kconfig
View file

@ -138,6 +138,15 @@ config PINCTRL_RZA1
help
Support pin multiplexing control on Renesas RZ/A1 R7S72100 SoCs.
config PINCTRL_RZG2L
bool "Renesas RZ/G2L family pin control driver"
depends on PINCTRL
depends on PINCTRL_GENERIC
depends on PINCONF
help
Support the pinctrl functionality of the pin function controller (PFC)
on the Renesas RZ/G2L SoC family.
endif
config PINCTRL_RZN1

1
drivers/pinctrl/renesas/Makefile
View file

@ -21,3 +21,4 @@ obj-$(CONFIG_PINCTRL_PFC_R8A779F0) += pfc-r8a779f0.o
obj-$(CONFIG_PINCTRL_PFC_R8A779G0) += pfc-r8a779g0.o
obj-$(CONFIG_PINCTRL_RZA1) += pinctrl-rza1.o
obj-$(CONFIG_PINCTRL_RZN1) += pinctrl-rzn1.o
obj-$(CONFIG_PINCTRL_RZG2L) += rzg2l-pfc.o

625
drivers/pinctrl/renesas/rzg2l-pfc.c Normal file
View file

@ -0,0 +1,625 @@
// SPDX-License-Identifier: GPL-2.0
/*
* RZ/G2L Pin Function Controller
*
* Copyright (C) 2021-2023 Renesas Electronics Corp.
*/
#include <common.h>
#include <asm/io.h>
#include <clk.h>
#include <dm.h>
#include <dm/device-internal.h>
#include <dm/device.h>
#include <dm/device_compat.h>
#include <dm/devres.h>
#include <dm/lists.h>
#include <dm/pinctrl.h>
#include <renesas/rzg2l-pfc.h>
#include <reset.h>
struct rzg2l_pfc_driver_data {
uint num_dedicated_pins;
uint num_ports;
const u32 *gpio_configs;
};
struct rzg2l_dedicated_configs {
const char *name;
u32 config;
};
/*
* We need to ensure that the module clock is enabled and all resets are
* de-asserted before using either the gpio or pinctrl functionality. Error
* handling can be quite simple here as if the PFC cannot be enabled then we
* will not be able to progress with the boot anyway.
*/
int rzg2l_pfc_enable(struct udevice *dev)
{
struct reset_ctl_bulk rsts;
struct clk clk;
int ret;
ret = clk_get_by_index(dev, 0, &clk);
if (ret < 0) {
dev_err(dev, "failed to get gpio module clock\n");
return ret;
}
ret = clk_enable(&clk);
if (ret < 0) {
dev_err(dev, "failed to enable gpio module clock\n");
return ret;
}
ret = reset_get_bulk(dev, &rsts);
if (ret < 0) {
dev_err(dev, "failed to get reset lines\n");
return ret;
}
ret = reset_deassert_bulk(&rsts);
if (ret < 0) {
dev_err(dev, "failed to de-assert reset lines\n");
return ret;
}
return 0;
}
bool rzg2l_port_validate(const struct rzg2l_pfc_data *data, u32 port, u8 pin)
{
return (port < data->num_ports) &&
(pin < RZG2L_GPIO_PORT_GET_PINCNT(data->gpio_configs[port]));
}
/* Decode a pin selector, returning the port index and setting *pin to the pin
* index. Returns -1 on error, which can be checked directly or by calling
* rzg2l_port_validate().
*/
static int rzg2l_selector_decode(const struct rzg2l_pfc_data *data,
unsigned int selector,
u8 *pin)
{
int port;
selector -= data->num_dedicated_pins;
for (port = 0; port < data->num_ports; port++) {
u8 num_pins = RZG2L_GPIO_PORT_GET_PINCNT(data->gpio_configs[port]);
if (selector < num_pins) {
*pin = (u8)selector;
return port;
}
selector -= num_pins;
}
return -EINVAL;
}
static unsigned int rzg2l_selector_encode(const struct rzg2l_pfc_data *data,
u32 port, u8 pin)
{
unsigned int selector = data->num_dedicated_pins + pin;
u32 i;
for (i = 0; i < port; i++)
selector += RZG2L_GPIO_PORT_GET_PINCNT(data->gpio_configs[i]);
return selector;
}
static const char * const rzg2l_gpio_names[] = {
"P0_0", "P0_1", "P0_2", "P0_3", "P0_4", "P0_5", "P0_6", "P0_7",
"P1_0", "P1_1", "P1_2", "P1_3", "P1_4", "P1_5", "P1_6", "P1_7",
"P2_0", "P2_1", "P2_2", "P2_3", "P2_4", "P2_5", "P2_6", "P2_7",
"P3_0", "P3_1", "P3_2", "P3_3", "P3_4", "P3_5", "P3_6", "P3_7",
"P4_0", "P4_1", "P4_2", "P4_3", "P4_4", "P4_5", "P4_6", "P4_7",
"P5_0", "P5_1", "P5_2", "P5_3", "P5_4", "P5_5", "P5_6", "P5_7",
"P6_0", "P6_1", "P6_2", "P6_3", "P6_4", "P6_5", "P6_6", "P6_7",
"P7_0", "P7_1", "P7_2", "P7_3", "P7_4", "P7_5", "P7_6", "P7_7",
"P8_0", "P8_1", "P8_2", "P8_3", "P8_4", "P8_5", "P8_6", "P8_7",
"P9_0", "P9_1", "P9_2", "P9_3", "P9_4", "P9_5", "P9_6", "P9_7",
"P10_0", "P10_1", "P10_2", "P10_3", "P10_4", "P10_5", "P10_6", "P10_7",
"P11_0", "P11_1", "P11_2", "P11_3", "P11_4", "P11_5", "P11_6", "P11_7",
"P12_0", "P12_1", "P12_2", "P12_3", "P12_4", "P12_5", "P12_6", "P12_7",
"P13_0", "P13_1", "P13_2", "P13_3", "P13_4", "P13_5", "P13_6", "P13_7",
"P14_0", "P14_1", "P14_2", "P14_3", "P14_4", "P14_5", "P14_6", "P14_7",
"P15_0", "P15_1", "P15_2", "P15_3", "P15_4", "P15_5", "P15_6", "P15_7",
"P16_0", "P16_1", "P16_2", "P16_3", "P16_4", "P16_5", "P16_6", "P16_7",
"P17_0", "P17_1", "P17_2", "P17_3", "P17_4", "P17_5", "P17_6", "P17_7",
"P18_0", "P18_1", "P18_2", "P18_3", "P18_4", "P18_5", "P18_6", "P18_7",
"P19_0", "P19_1", "P19_2", "P19_3", "P19_4", "P19_5", "P19_6", "P19_7",
"P20_0", "P20_1", "P20_2", "P20_3", "P20_4", "P20_5", "P20_6", "P20_7",
"P21_0", "P21_1", "P21_2", "P21_3", "P21_4", "P21_5", "P21_6", "P21_7",
"P22_0", "P22_1", "P22_2", "P22_3", "P22_4", "P22_5", "P22_6", "P22_7",
"P23_0", "P23_1", "P23_2", "P23_3", "P23_4", "P23_5", "P23_6", "P23_7",
"P24_0", "P24_1", "P24_2", "P24_3", "P24_4", "P24_5", "P24_6", "P24_7",
"P25_0", "P25_1", "P25_2", "P25_3", "P25_4", "P25_5", "P25_6", "P25_7",
"P26_0", "P26_1", "P26_2", "P26_3", "P26_4", "P26_5", "P26_6", "P26_7",
"P27_0", "P27_1", "P27_2", "P27_3", "P27_4", "P27_5", "P27_6", "P27_7",
"P28_0", "P28_1", "P28_2", "P28_3", "P28_4", "P28_5", "P28_6", "P28_7",
"P29_0", "P29_1", "P29_2", "P29_3", "P29_4", "P29_5", "P29_6", "P29_7",
"P30_0", "P30_1", "P30_2", "P30_3", "P30_4", "P30_5", "P30_6", "P30_7",
"P31_0", "P31_1", "P31_2", "P31_3", "P31_4", "P31_5", "P31_6", "P31_7",
"P32_0", "P32_1", "P32_2", "P32_3", "P32_4", "P32_5", "P32_6", "P32_7",
"P33_0", "P33_1", "P33_2", "P33_3", "P33_4", "P33_5", "P33_6", "P33_7",
"P34_0", "P34_1", "P34_2", "P34_3", "P34_4", "P34_5", "P34_6", "P34_7",
"P35_0", "P35_1", "P35_2", "P35_3", "P35_4", "P35_5", "P35_6", "P35_7",
"P36_0", "P36_1", "P36_2", "P36_3", "P36_4", "P36_5", "P36_6", "P36_7",
"P37_0", "P37_1", "P37_2", "P37_3", "P37_4", "P37_5", "P37_6", "P37_7",
"P38_0", "P38_1", "P38_2", "P38_3", "P38_4", "P38_5", "P38_6", "P38_7",
"P39_0", "P39_1", "P39_2", "P39_3", "P39_4", "P39_5", "P39_6", "P39_7",
"P40_0", "P40_1", "P40_2", "P40_3", "P40_4", "P40_5", "P40_6", "P40_7",
"P41_0", "P41_1", "P41_2", "P41_3", "P41_4", "P41_5", "P41_6", "P41_7",
"P42_0", "P42_1", "P42_2", "P42_3", "P42_4", "P42_5", "P42_6", "P42_7",
"P43_0", "P43_1", "P43_2", "P43_3", "P43_4", "P43_5", "P43_6", "P43_7",
"P44_0", "P44_1", "P44_2", "P44_3", "P44_4", "P44_5", "P44_6", "P44_7",
"P45_0", "P45_1", "P45_2", "P45_3", "P45_4", "P45_5", "P45_6", "P45_7",
"P46_0", "P46_1", "P46_2", "P46_3", "P46_4", "P46_5", "P46_6", "P46_7",
"P47_0", "P47_1", "P47_2", "P47_3", "P47_4", "P47_5", "P47_6", "P47_7",
"P48_0", "P48_1", "P48_2", "P48_3", "P48_4", "P48_5", "P48_6", "P48_7",
};
static const u32 r9a07g044_gpio_configs[] = {
RZG2L_GPIO_PORT_PACK(2, 0x10, RZG2L_MPXED_PIN_FUNCS),
RZG2L_GPIO_PORT_PACK(2, 0x11, RZG2L_MPXED_PIN_FUNCS),
RZG2L_GPIO_PORT_PACK(2, 0x12, RZG2L_MPXED_PIN_FUNCS),
RZG2L_GPIO_PORT_PACK(2, 0x13, RZG2L_MPXED_PIN_FUNCS),
RZG2L_GPIO_PORT_PACK(2, 0x14, RZG2L_MPXED_PIN_FUNCS),
RZG2L_GPIO_PORT_PACK(3, 0x15, RZG2L_MPXED_PIN_FUNCS),
RZG2L_GPIO_PORT_PACK(2, 0x16, RZG2L_MPXED_PIN_FUNCS),
RZG2L_GPIO_PORT_PACK(3, 0x17, RZG2L_MPXED_PIN_FUNCS),
RZG2L_GPIO_PORT_PACK(3, 0x18, RZG2L_MPXED_PIN_FUNCS),
RZG2L_GPIO_PORT_PACK(2, 0x19, RZG2L_MPXED_PIN_FUNCS),
RZG2L_GPIO_PORT_PACK(2, 0x1a, RZG2L_MPXED_PIN_FUNCS),
RZG2L_GPIO_PORT_PACK(2, 0x1b, RZG2L_MPXED_PIN_FUNCS),
RZG2L_GPIO_PORT_PACK(2, 0x1c, RZG2L_MPXED_PIN_FUNCS),
RZG2L_GPIO_PORT_PACK(3, 0x1d, RZG2L_MPXED_PIN_FUNCS),
RZG2L_GPIO_PORT_PACK(2, 0x1e, RZG2L_MPXED_PIN_FUNCS),
RZG2L_GPIO_PORT_PACK(2, 0x1f, RZG2L_MPXED_PIN_FUNCS),
RZG2L_GPIO_PORT_PACK(2, 0x20, RZG2L_MPXED_PIN_FUNCS),
RZG2L_GPIO_PORT_PACK(3, 0x21, RZG2L_MPXED_PIN_FUNCS),
RZG2L_GPIO_PORT_PACK(2, 0x22, RZG2L_MPXED_PIN_FUNCS),
RZG2L_GPIO_PORT_PACK(2, 0x23, RZG2L_MPXED_PIN_FUNCS),
RZG2L_GPIO_PORT_PACK(3, 0x24, RZG2L_MPXED_ETH_PIN_FUNCS(PIN_CFG_IO_VMC_ETH0)),
RZG2L_GPIO_PORT_PACK(2, 0x25, RZG2L_MPXED_ETH_PIN_FUNCS(PIN_CFG_IO_VMC_ETH0)),
RZG2L_GPIO_PORT_PACK(2, 0x26, RZG2L_MPXED_ETH_PIN_FUNCS(PIN_CFG_IO_VMC_ETH0)),
RZG2L_GPIO_PORT_PACK(2, 0x27, RZG2L_MPXED_ETH_PIN_FUNCS(PIN_CFG_IO_VMC_ETH0)),
RZG2L_GPIO_PORT_PACK(2, 0x28, RZG2L_MPXED_ETH_PIN_FUNCS(PIN_CFG_IO_VMC_ETH0)),
RZG2L_GPIO_PORT_PACK(2, 0x29, RZG2L_MPXED_ETH_PIN_FUNCS(PIN_CFG_IO_VMC_ETH0)),
RZG2L_GPIO_PORT_PACK(2, 0x2a, RZG2L_MPXED_ETH_PIN_FUNCS(PIN_CFG_IO_VMC_ETH0)),
RZG2L_GPIO_PORT_PACK(2, 0x2b, RZG2L_MPXED_ETH_PIN_FUNCS(PIN_CFG_IO_VMC_ETH0)),
RZG2L_GPIO_PORT_PACK(2, 0x2c, RZG2L_MPXED_ETH_PIN_FUNCS(PIN_CFG_IO_VMC_ETH0)),
RZG2L_GPIO_PORT_PACK(2, 0x2d, RZG2L_MPXED_ETH_PIN_FUNCS(PIN_CFG_IO_VMC_ETH1)),
RZG2L_GPIO_PORT_PACK(2, 0x2e, RZG2L_MPXED_ETH_PIN_FUNCS(PIN_CFG_IO_VMC_ETH1)),
RZG2L_GPIO_PORT_PACK(2, 0x2f, RZG2L_MPXED_ETH_PIN_FUNCS(PIN_CFG_IO_VMC_ETH1)),
RZG2L_GPIO_PORT_PACK(2, 0x30, RZG2L_MPXED_ETH_PIN_FUNCS(PIN_CFG_IO_VMC_ETH1)),
RZG2L_GPIO_PORT_PACK(2, 0x31, RZG2L_MPXED_ETH_PIN_FUNCS(PIN_CFG_IO_VMC_ETH1)),
RZG2L_GPIO_PORT_PACK(2, 0x32, RZG2L_MPXED_ETH_PIN_FUNCS(PIN_CFG_IO_VMC_ETH1)),
RZG2L_GPIO_PORT_PACK(2, 0x33, RZG2L_MPXED_ETH_PIN_FUNCS(PIN_CFG_IO_VMC_ETH1)),
RZG2L_GPIO_PORT_PACK(2, 0x34, RZG2L_MPXED_ETH_PIN_FUNCS(PIN_CFG_IO_VMC_ETH1)),
RZG2L_GPIO_PORT_PACK(3, 0x35, RZG2L_MPXED_ETH_PIN_FUNCS(PIN_CFG_IO_VMC_ETH1)),
RZG2L_GPIO_PORT_PACK(2, 0x36, RZG2L_MPXED_PIN_FUNCS),
RZG2L_GPIO_PORT_PACK(3, 0x37, RZG2L_MPXED_PIN_FUNCS),
RZG2L_GPIO_PORT_PACK(3, 0x38, RZG2L_MPXED_PIN_FUNCS),
RZG2L_GPIO_PORT_PACK(2, 0x39, RZG2L_MPXED_PIN_FUNCS),
RZG2L_GPIO_PORT_PACK(5, 0x3a, RZG2L_MPXED_PIN_FUNCS),
RZG2L_GPIO_PORT_PACK(4, 0x3b, RZG2L_MPXED_PIN_FUNCS),
RZG2L_GPIO_PORT_PACK(4, 0x3c, RZG2L_MPXED_PIN_FUNCS),
RZG2L_GPIO_PORT_PACK(4, 0x3d, RZG2L_MPXED_PIN_FUNCS),
RZG2L_GPIO_PORT_PACK(4, 0x3e, RZG2L_MPXED_PIN_FUNCS),
RZG2L_GPIO_PORT_PACK(4, 0x3f, RZG2L_MPXED_PIN_FUNCS),
RZG2L_GPIO_PORT_PACK(5, 0x40, RZG2L_MPXED_PIN_FUNCS),
};
static const struct {
struct rzg2l_dedicated_configs common[35];
struct rzg2l_dedicated_configs rzg2l_pins[7];
} rzg2l_dedicated_pins = {
.common = {
{ "NMI", RZG2L_SINGLE_PIN_PACK(0x1, 0,
(PIN_CFG_FILONOFF | PIN_CFG_FILNUM | PIN_CFG_FILCLKSEL)) },
{ "TMS/SWDIO", RZG2L_SINGLE_PIN_PACK(0x2, 0,
(PIN_CFG_IOLH_A | PIN_CFG_SR | PIN_CFG_IEN)) },
{ "TDO", RZG2L_SINGLE_PIN_PACK(0x3, 0,
(PIN_CFG_IOLH_A | PIN_CFG_SR | PIN_CFG_IEN)) },
{ "AUDIO_CLK1", RZG2L_SINGLE_PIN_PACK(0x4, 0, PIN_CFG_IEN) },
{ "AUDIO_CLK2", RZG2L_SINGLE_PIN_PACK(0x4, 1, PIN_CFG_IEN) },
{ "SD0_CLK", RZG2L_SINGLE_PIN_PACK(0x6, 0,
(PIN_CFG_IOLH_B | PIN_CFG_SR | PIN_CFG_IO_VMC_SD0)) },
{ "SD0_CMD", RZG2L_SINGLE_PIN_PACK(0x6, 1,
(PIN_CFG_IOLH_B | PIN_CFG_SR | PIN_CFG_IEN | PIN_CFG_IO_VMC_SD0)) },
{ "SD0_RST#", RZG2L_SINGLE_PIN_PACK(0x6, 2,
(PIN_CFG_IOLH_B | PIN_CFG_SR | PIN_CFG_IO_VMC_SD0)) },
{ "SD0_DATA0", RZG2L_SINGLE_PIN_PACK(0x7, 0,
(PIN_CFG_IOLH_B | PIN_CFG_SR | PIN_CFG_IEN | PIN_CFG_IO_VMC_SD0)) },
{ "SD0_DATA1", RZG2L_SINGLE_PIN_PACK(0x7, 1,
(PIN_CFG_IOLH_B | PIN_CFG_SR | PIN_CFG_IEN | PIN_CFG_IO_VMC_SD0)) },
{ "SD0_DATA2", RZG2L_SINGLE_PIN_PACK(0x7, 2,
(PIN_CFG_IOLH_B | PIN_CFG_SR | PIN_CFG_IEN | PIN_CFG_IO_VMC_SD0)) },
{ "SD0_DATA3", RZG2L_SINGLE_PIN_PACK(0x7, 3,
(PIN_CFG_IOLH_B | PIN_CFG_SR | PIN_CFG_IEN | PIN_CFG_IO_VMC_SD0)) },
{ "SD0_DATA4", RZG2L_SINGLE_PIN_PACK(0x7, 4,
(PIN_CFG_IOLH_B | PIN_CFG_SR | PIN_CFG_IEN | PIN_CFG_IO_VMC_SD0)) },
{ "SD0_DATA5", RZG2L_SINGLE_PIN_PACK(0x7, 5,
(PIN_CFG_IOLH_B | PIN_CFG_SR | PIN_CFG_IEN | PIN_CFG_IO_VMC_SD0)) },
{ "SD0_DATA6", RZG2L_SINGLE_PIN_PACK(0x7, 6,
(PIN_CFG_IOLH_B | PIN_CFG_SR | PIN_CFG_IEN | PIN_CFG_IO_VMC_SD0)) },
{ "SD0_DATA7", RZG2L_SINGLE_PIN_PACK(0x7, 7,
(PIN_CFG_IOLH_B | PIN_CFG_SR | PIN_CFG_IEN | PIN_CFG_IO_VMC_SD0)) },
{ "SD1_CLK", RZG2L_SINGLE_PIN_PACK(0x8, 0,
(PIN_CFG_IOLH_B | PIN_CFG_SR | PIN_CFG_IO_VMC_SD1)) },
{ "SD1_CMD", RZG2L_SINGLE_PIN_PACK(0x8, 1,
(PIN_CFG_IOLH_B | PIN_CFG_SR | PIN_CFG_IEN | PIN_CFG_IO_VMC_SD1)) },
{ "SD1_DATA0", RZG2L_SINGLE_PIN_PACK(0x9, 0,
(PIN_CFG_IOLH_B | PIN_CFG_SR | PIN_CFG_IEN | PIN_CFG_IO_VMC_SD1)) },
{ "SD1_DATA1", RZG2L_SINGLE_PIN_PACK(0x9, 1,
(PIN_CFG_IOLH_B | PIN_CFG_SR | PIN_CFG_IEN | PIN_CFG_IO_VMC_SD1)) },
{ "SD1_DATA2", RZG2L_SINGLE_PIN_PACK(0x9, 2,
(PIN_CFG_IOLH_B | PIN_CFG_SR | PIN_CFG_IEN | PIN_CFG_IO_VMC_SD1)) },
{ "SD1_DATA3", RZG2L_SINGLE_PIN_PACK(0x9, 3,
(PIN_CFG_IOLH_B | PIN_CFG_SR | PIN_CFG_IEN | PIN_CFG_IO_VMC_SD1)) },
{ "QSPI0_SPCLK", RZG2L_SINGLE_PIN_PACK(0xa, 0,
(PIN_CFG_IOLH_B | PIN_CFG_SR | PIN_CFG_IO_VMC_QSPI)) },
{ "QSPI0_IO0", RZG2L_SINGLE_PIN_PACK(0xa, 1,
(PIN_CFG_IOLH_B | PIN_CFG_SR | PIN_CFG_IO_VMC_QSPI)) },
{ "QSPI0_IO1", RZG2L_SINGLE_PIN_PACK(0xa, 2,
(PIN_CFG_IOLH_B | PIN_CFG_SR | PIN_CFG_IO_VMC_QSPI)) },
{ "QSPI0_IO2", RZG2L_SINGLE_PIN_PACK(0xa, 3,
(PIN_CFG_IOLH_B | PIN_CFG_SR | PIN_CFG_IO_VMC_QSPI)) },
{ "QSPI0_IO3", RZG2L_SINGLE_PIN_PACK(0xa, 4,
(PIN_CFG_IOLH_B | PIN_CFG_SR | PIN_CFG_IO_VMC_QSPI)) },
{ "QSPI0_SSL", RZG2L_SINGLE_PIN_PACK(0xa, 5,
(PIN_CFG_IOLH_B | PIN_CFG_SR | PIN_CFG_IO_VMC_QSPI)) },
{ "QSPI_RESET#", RZG2L_SINGLE_PIN_PACK(0xc, 0,
(PIN_CFG_IOLH_B | PIN_CFG_SR | PIN_CFG_IO_VMC_QSPI)) },
{ "QSPI_WP#", RZG2L_SINGLE_PIN_PACK(0xc, 1,
(PIN_CFG_IOLH_B | PIN_CFG_SR | PIN_CFG_IO_VMC_QSPI)) },
{ "WDTOVF_PERROUT#", RZG2L_SINGLE_PIN_PACK(0xd, 0, (PIN_CFG_IOLH_A | PIN_CFG_SR)) },
{ "RIIC0_SDA", RZG2L_SINGLE_PIN_PACK(0xe, 0, PIN_CFG_IEN) },
{ "RIIC0_SCL", RZG2L_SINGLE_PIN_PACK(0xe, 1, PIN_CFG_IEN) },
{ "RIIC1_SDA", RZG2L_SINGLE_PIN_PACK(0xe, 2, PIN_CFG_IEN) },
{ "RIIC1_SCL", RZG2L_SINGLE_PIN_PACK(0xe, 3, PIN_CFG_IEN) },
},
.rzg2l_pins = {
{ "QSPI_INT#", RZG2L_SINGLE_PIN_PACK(0xc, 2, (PIN_CFG_SR | PIN_CFG_IO_VMC_QSPI)) },
{ "QSPI1_SPCLK", RZG2L_SINGLE_PIN_PACK(0xb, 0,
(PIN_CFG_IOLH_B | PIN_CFG_SR | PIN_CFG_IO_VMC_QSPI)) },
{ "QSPI1_IO0", RZG2L_SINGLE_PIN_PACK(0xb, 1,
(PIN_CFG_IOLH_B | PIN_CFG_SR | PIN_CFG_IO_VMC_QSPI)) },
{ "QSPI1_IO1", RZG2L_SINGLE_PIN_PACK(0xb, 2,
(PIN_CFG_IOLH_B | PIN_CFG_SR | PIN_CFG_IO_VMC_QSPI)) },
{ "QSPI1_IO2", RZG2L_SINGLE_PIN_PACK(0xb, 3,
(PIN_CFG_IOLH_B | PIN_CFG_SR | PIN_CFG_IO_VMC_QSPI)) },
{ "QSPI1_IO3", RZG2L_SINGLE_PIN_PACK(0xb, 4,
(PIN_CFG_IOLH_B | PIN_CFG_SR | PIN_CFG_IO_VMC_QSPI)) },
{ "QSPI1_SSL", RZG2L_SINGLE_PIN_PACK(0xb, 5,
(PIN_CFG_IOLH_B | PIN_CFG_SR | PIN_CFG_IO_VMC_QSPI)) },
}
};
static void rzg2l_rmw_pin_config(const struct rzg2l_pfc_data *data, u32 offset,
u8 pin, u32 mask, u32 val)
{
void __iomem *addr = data->base + offset;
/* handle _L/_H for 32-bit register read/write */
if (pin >= 4) {
pin -= 4;
addr += 4;
}
clrsetbits_le32(addr, mask << (pin * 8), val << (pin * 8));
}
static int rzg2l_get_pins_count(struct udevice *dev)
{
const struct rzg2l_pfc_data *data =
(const struct rzg2l_pfc_data *)dev_get_driver_data(dev);
return data->num_dedicated_pins + data->num_pins;
}
static const char *rzg2l_get_pin_name(struct udevice *dev, unsigned int selector)
{
const struct rzg2l_pfc_data *data =
(const struct rzg2l_pfc_data *)dev_get_driver_data(dev);
int port;
u8 pin;
if (selector < data->num_dedicated_pins) {
if (selector >= ARRAY_SIZE(rzg2l_dedicated_pins.common)) {
unsigned int u = selector - ARRAY_SIZE(rzg2l_dedicated_pins.common);
return rzg2l_dedicated_pins.rzg2l_pins[u].name;
} else {
return rzg2l_dedicated_pins.common[selector].name;
}
}
port = rzg2l_selector_decode(data, selector, &pin);
if (port < 0)
return "(invalid pin)";
return rzg2l_gpio_names[pin + 8 * port];
}
static int rzg2l_pinconf_set(struct udevice *dev, unsigned int pin_selector,
unsigned int param, unsigned int argument)
{
const struct rzg2l_pfc_data *data =
(const struct rzg2l_pfc_data *)dev_get_driver_data(dev);
u32 cfg, port_offset;
u8 pin;
if (pin_selector >= data->num_dedicated_pins) {
/* The pin selector refers to a multiplexed pin */
int port = rzg2l_selector_decode(data, pin_selector, &pin);
if (port < 0) {
dev_err(dev, "Invalid pin selector %u:%u\n", port, pin);
return port;
}
cfg = data->gpio_configs[port];
port_offset = P(port);
} else {
/* The pin selector refers to a dedicated function pin */
const struct rzg2l_dedicated_configs *dedicated_config;
if (pin_selector >= data->num_dedicated_pins) {
dev_err(dev, "Invalid dedicated pin %u\n", pin_selector);
return -EINVAL;
}
if (pin_selector >= ARRAY_SIZE(rzg2l_dedicated_pins.common)) {
pin_selector -= ARRAY_SIZE(rzg2l_dedicated_pins.common);
dedicated_config = &rzg2l_dedicated_pins.rzg2l_pins[pin_selector];
} else {
dedicated_config = &rzg2l_dedicated_pins.common[pin_selector];
}
port_offset = RZG2L_SINGLE_PIN_GET_PORT_OFFSET(dedicated_config->config);
pin = RZG2L_SINGLE_PIN_GET_BIT(dedicated_config->config);
cfg = RZG2L_SINGLE_PIN_GET_CFGS(dedicated_config->config);
}
switch (param) {
case PIN_CONFIG_INPUT_ENABLE: {
if (!(cfg & PIN_CFG_IEN)) {
dev_err(dev, "pin does not support IEN\n");
return -EINVAL;
}
dev_dbg(dev, "port off %u:%u set IEN=%u\n",
port_offset, pin, argument);
rzg2l_rmw_pin_config(data, IEN(port_offset), pin, IEN_MASK, !!argument);
break;
}
case PIN_CONFIG_POWER_SOURCE: {
u32 pwr_reg = 0x0;
/* argument is in mV */
if (argument != 1800 && argument != 3300) {
dev_err(dev, "Invalid mV %u\n", argument);
return -EINVAL;
}
/*
* TODO: PIN_CFG_IO_VMC_ETH0 & PIN_CFG_IO_VMC_ETH1 will be
* handled when the RZ/G2L Ethernet driver is added.
*/
if (cfg & PIN_CFG_IO_VMC_SD0) {
dev_dbg(dev, "port off %u:%u set SD_CH 0 PVDD=%u\n",
port_offset, pin, argument);
pwr_reg = SD_CH(0);
} else if (cfg & PIN_CFG_IO_VMC_SD1) {
dev_dbg(dev, "port off %u:%u set SD_CH 1 PVDD=%u\n",
port_offset, pin, argument);
pwr_reg = SD_CH(1);
} else if (cfg & PIN_CFG_IO_VMC_QSPI) {
dev_dbg(dev, "port off %u:%u set QSPI PVDD=%u\n",
port_offset, pin, argument);
pwr_reg = QSPI;
} else {
dev_dbg(dev, "pin power source is not selectable\n");
return -EINVAL;
}
writel((argument == 1800) ? PVDD_1800 : PVDD_3300,
data->base + pwr_reg);
break;
}
default:
dev_err(dev, "Invalid pinconf parameter\n");
return -EOPNOTSUPP;
}
return 0;
}
static int rzg2l_pinmux_property_set(struct udevice *dev, u32 pinmux_group)
{
const struct rzg2l_pfc_data *data =
(const struct rzg2l_pfc_data *)dev_get_driver_data(dev);
u32 port, pin, func, pfc_state;
u8 pmc_state;
func = RZG2L_PINMUX_TO_FUNC(pinmux_group);
if (func > 5) {
dev_err(dev, "Invalid pin function %u\n", func);
return -EINVAL;
}
port = RZG2L_PINMUX_TO_PORT(pinmux_group);
pin = RZG2L_PINMUX_TO_PIN(pinmux_group);
if (!rzg2l_port_validate(data, port, pin)) {
dev_err(dev, "Invalid pin selector %u:%u\n", port, pin);
return -EINVAL;
}
/* Check current PMC & PFC to decide if we need to change anything. */
pmc_state = readb(data->base + PMC(port)) & BIT(pin);
pfc_state = (readl(data->base + PFC(port)) >> (pin * 4)) & PFC_MASK;
if (pmc_state && pfc_state == func)
return 0;
dev_dbg(dev, "pinmux port %u pin %u func %u\n", port, pin, func);
/* Set pin to 'Non-use (Hi-Z input protection)' */
clrbits_le16(data->base + PM(port), PM_MASK << (pin * 2));
/* Temporarily switch to GPIO mode with PMC register */
clrbits_8(data->base + PMC(port), BIT(pin));
/* Set the PWPR register to allow PFC register to write */
writel(0x0, data->base + PWPR); /* B0WI=0, PFCWE=0 */
writel(PWPR_PFCWE, data->base + PWPR); /* B0WI=0, PFCWE=1 */
/* Select Pin function mode with PFC register */
clrsetbits_le32(data->base + PFC(port), PFC_MASK << (pin * 4),
func << (pin * 4));
/* Set the PWPR register to be write-protected */
writel(0x0, data->base + PWPR); /* B0WI=0, PFCWE=0 */
writel(PWPR_B0WI, data->base + PWPR); /* B0WI=1, PFCWE=0 */
/* Switch to Peripheral pin function with PMC register */
setbits_8(data->base + PMC(port), BIT(pin));
return rzg2l_selector_encode(data, port, pin);
}
static int rzg2l_get_pin_muxing(struct udevice *dev, unsigned int selector,
char *buf, int size)
{
const struct rzg2l_pfc_data *data =
(const struct rzg2l_pfc_data *)dev_get_driver_data(dev);
u32 pmc_state;
int port;
u8 pin;
if (selector < data->num_dedicated_pins) {
snprintf(buf, size, rzg2l_get_pin_name(dev, selector));
return 0;
}
port = rzg2l_selector_decode(data, selector, &pin);
if (port < 0) {
dev_err(dev, "Invalid pin selector %u:%u\n", port, pin);
return port;
}
pmc_state = readb(data->base + PMC(port)) & BIT(pin);
if (pmc_state) {
u32 pfc_state = (readl(data->base + PFC(port)) >> (pin * 4)) & PFC_MASK;
snprintf(buf, size, "Function %d", pfc_state);
return 0;
}
snprintf(buf, size, "GPIO");
return 0;
}
static const struct pinconf_param rzg2l_pinconf_params[] = {
{ "input-enable", PIN_CONFIG_INPUT_ENABLE, 1 },
{ "power-source", PIN_CONFIG_POWER_SOURCE, 3300 /* mV */ },
};
static const struct pinctrl_ops rzg2l_pinctrl_ops = {
.get_pins_count = rzg2l_get_pins_count,
.get_pin_name = rzg2l_get_pin_name,
.pinconf_num_params = ARRAY_SIZE(rzg2l_pinconf_params),
.pinconf_params = rzg2l_pinconf_params,
.pinconf_set = rzg2l_pinconf_set,
.pinmux_property_set = rzg2l_pinmux_property_set,
.set_state = pinctrl_generic_set_state,
.get_pin_muxing = rzg2l_get_pin_muxing,
};
static int rzg2l_pinctrl_probe(struct udevice *dev)
{
return rzg2l_pfc_enable(dev);
}
U_BOOT_DRIVER(rzg2l_pfc_pinctrl) = {
.name = "rzg2l-pfc-pinctrl",
.id = UCLASS_PINCTRL,
.ops = &rzg2l_pinctrl_ops,
.probe = rzg2l_pinctrl_probe,
};
static const struct rzg2l_pfc_driver_data r9a07g044_driver_data = {
.num_dedicated_pins = ARRAY_SIZE(rzg2l_dedicated_pins.common) +
ARRAY_SIZE(rzg2l_dedicated_pins.rzg2l_pins),
.num_ports = ARRAY_SIZE(r9a07g044_gpio_configs),
.gpio_configs = r9a07g044_gpio_configs,
};
static const struct udevice_id rzg2l_pfc_ids[] = {
{ .compatible = "renesas,r9a07g044-pinctrl", .data = (ulong)&r9a07g044_driver_data },
{ /* sentinel */ }
};
static int rzg2l_pfc_bind(struct udevice *parent)
{
struct rzg2l_pfc_driver_data *driver_data;
struct rzg2l_pfc_data *data;
struct udevice *pinctrl_dev;
struct driver *drv;
unsigned int i;
int ret;
driver_data =
(struct rzg2l_pfc_driver_data *)dev_get_driver_data(parent);
if (!driver_data)
return -EINVAL;
data = devm_kmalloc(parent, sizeof(*data), 0);
if (!data)
return -ENOMEM;
data->base = dev_read_addr_ptr(parent);
if (!data->base)
return -EINVAL;
data->num_dedicated_pins = driver_data->num_dedicated_pins;
data->num_ports = driver_data->num_ports;
data->gpio_configs = driver_data->gpio_configs;
data->num_pins = 0;
for (i = 0; i < data->num_ports; i++)
data->num_pins += RZG2L_GPIO_PORT_GET_PINCNT(data->gpio_configs[i]);
dev_dbg(parent, "%u dedicated pins, %u muxed ports, %u muxed pins\n",
data->num_dedicated_pins, data->num_ports, data->num_pins);
drv = lists_driver_lookup_name("rzg2l-pfc-pinctrl");
if (!drv)
return -ENOENT;
ret = device_bind_with_driver_data(parent, drv, parent->name,
(ulong)data, dev_ofnode(parent),
&pinctrl_dev);
if (!ret && IS_ENABLED(CONFIG_RZG2L_GPIO)) {
drv = lists_driver_lookup_name("rzg2l-pfc-gpio");
if (!drv) {
device_unbind(pinctrl_dev);
return -ENOENT;
}
ret = device_bind_with_driver_data(parent, drv, parent->name,
(ulong)data,
dev_ofnode(parent), NULL);
if (ret)
device_unbind(pinctrl_dev);
}
return ret;
}
U_BOOT_DRIVER(rzg2l_pfc) = {
.name = "rzg2l-pfc",
.id = UCLASS_NOP,
.of_match = rzg2l_pfc_ids,
.bind = rzg2l_pfc_bind,
};

12
drivers/serial/serial_sh.c
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@ -7,16 +7,16 @@
*/
#include <common.h>
#include <errno.h>
#include <clk.h>
#include <dm.h>
#include <asm/global_data.h>
#include <asm/io.h>
#include <asm/processor.h>
#include <serial.h>
#include <linux/compiler.h>
#include <clk.h>
#include <dm.h>
#include <dm/platform_data/serial_sh.h>
#include <errno.h>
#include <linux/compiler.h>
#include <linux/delay.h>
#include <serial.h>
#include "serial_sh.h"
DECLARE_GLOBAL_DATA_PTR;
@ -58,8 +58,10 @@ static void sh_serial_init_generic(struct uart_port *port)
sci_out(port, SCSPTR, 0x0003);
#endif
#if IS_ENABLED(CONFIG_RCAR_GEN2) || IS_ENABLED(CONFIG_RCAR_GEN3) || IS_ENABLED(CONFIG_RCAR_GEN4)
if (port->type == PORT_HSCIF)
sci_out(port, HSSRR, HSSRR_SRE | HSSRR_SRCYC8);
#endif
}
static void

14
include/configs/rzg2l-smarc.h Normal file
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@ -0,0 +1,14 @@
/* SPDX-License-Identifier: GPL-2.0+ */
/*
* Copyright (C) 2023 Renesas Electronics Corporation
*/
#ifndef __RENESAS_RZG2L_H
#define __RENESAS_RZG2L_H
#include <asm/arch/rmobile.h>
/* console */
#define CFG_SYS_BAUDRATE_TABLE { 115200, 38400 }
#endif /* __RENESAS_RZG2L_H */

220
include/dt-bindings/clock/r9a07g044-cpg.h Normal file
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@ -0,0 +1,220 @@
/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
*
* Copyright (C) 2021 Renesas Electronics Corp.
*/
#ifndef __DT_BINDINGS_CLOCK_R9A07G044_CPG_H__
#define __DT_BINDINGS_CLOCK_R9A07G044_CPG_H__
#include <dt-bindings/clock/renesas-cpg-mssr.h>
/* R9A07G044 CPG Core Clocks */
#define R9A07G044_CLK_I 0
#define R9A07G044_CLK_I2 1
#define R9A07G044_CLK_G 2
#define R9A07G044_CLK_S0 3
#define R9A07G044_CLK_S1 4
#define R9A07G044_CLK_SPI0 5
#define R9A07G044_CLK_SPI1 6
#define R9A07G044_CLK_SD0 7
#define R9A07G044_CLK_SD1 8
#define R9A07G044_CLK_M0 9
#define R9A07G044_CLK_M1 10
#define R9A07G044_CLK_M2 11
#define R9A07G044_CLK_M3 12
#define R9A07G044_CLK_M4 13
#define R9A07G044_CLK_HP 14
#define R9A07G044_CLK_TSU 15
#define R9A07G044_CLK_ZT 16
#define R9A07G044_CLK_P0 17
#define R9A07G044_CLK_P1 18
#define R9A07G044_CLK_P2 19
#define R9A07G044_CLK_AT 20
#define R9A07G044_OSCCLK 21
#define R9A07G044_CLK_P0_DIV2 22
/* R9A07G044 Module Clocks */
#define R9A07G044_CA55_SCLK 0
#define R9A07G044_CA55_PCLK 1
#define R9A07G044_CA55_ATCLK 2
#define R9A07G044_CA55_GICCLK 3
#define R9A07G044_CA55_PERICLK 4
#define R9A07G044_CA55_ACLK 5
#define R9A07G044_CA55_TSCLK 6
#define R9A07G044_GIC600_GICCLK 7
#define R9A07G044_IA55_CLK 8
#define R9A07G044_IA55_PCLK 9
#define R9A07G044_MHU_PCLK 10
#define R9A07G044_SYC_CNT_CLK 11
#define R9A07G044_DMAC_ACLK 12
#define R9A07G044_DMAC_PCLK 13
#define R9A07G044_OSTM0_PCLK 14
#define R9A07G044_OSTM1_PCLK 15
#define R9A07G044_OSTM2_PCLK 16
#define R9A07G044_MTU_X_MCK_MTU3 17
#define R9A07G044_POE3_CLKM_POE 18
#define R9A07G044_GPT_PCLK 19
#define R9A07G044_POEG_A_CLKP 20
#define R9A07G044_POEG_B_CLKP 21
#define R9A07G044_POEG_C_CLKP 22
#define R9A07G044_POEG_D_CLKP 23
#define R9A07G044_WDT0_PCLK 24
#define R9A07G044_WDT0_CLK 25
#define R9A07G044_WDT1_PCLK 26
#define R9A07G044_WDT1_CLK 27
#define R9A07G044_WDT2_PCLK 28
#define R9A07G044_WDT2_CLK 29
#define R9A07G044_SPI_CLK2 30
#define R9A07G044_SPI_CLK 31
#define R9A07G044_SDHI0_IMCLK 32
#define R9A07G044_SDHI0_IMCLK2 33
#define R9A07G044_SDHI0_CLK_HS 34
#define R9A07G044_SDHI0_ACLK 35
#define R9A07G044_SDHI1_IMCLK 36
#define R9A07G044_SDHI1_IMCLK2 37
#define R9A07G044_SDHI1_CLK_HS 38
#define R9A07G044_SDHI1_ACLK 39
#define R9A07G044_GPU_CLK 40
#define R9A07G044_GPU_AXI_CLK 41
#define R9A07G044_GPU_ACE_CLK 42
#define R9A07G044_ISU_ACLK 43
#define R9A07G044_ISU_PCLK 44
#define R9A07G044_H264_CLK_A 45
#define R9A07G044_H264_CLK_P 46
#define R9A07G044_CRU_SYSCLK 47
#define R9A07G044_CRU_VCLK 48
#define R9A07G044_CRU_PCLK 49
#define R9A07G044_CRU_ACLK 50
#define R9A07G044_MIPI_DSI_PLLCLK 51
#define R9A07G044_MIPI_DSI_SYSCLK 52
#define R9A07G044_MIPI_DSI_ACLK 53
#define R9A07G044_MIPI_DSI_PCLK 54
#define R9A07G044_MIPI_DSI_VCLK 55
#define R9A07G044_MIPI_DSI_LPCLK 56
#define R9A07G044_LCDC_CLK_A 57
#define R9A07G044_LCDC_CLK_P 58
#define R9A07G044_LCDC_CLK_D 59
#define R9A07G044_SSI0_PCLK2 60
#define R9A07G044_SSI0_PCLK_SFR 61
#define R9A07G044_SSI1_PCLK2 62
#define R9A07G044_SSI1_PCLK_SFR 63
#define R9A07G044_SSI2_PCLK2 64
#define R9A07G044_SSI2_PCLK_SFR 65
#define R9A07G044_SSI3_PCLK2 66
#define R9A07G044_SSI3_PCLK_SFR 67
#define R9A07G044_SRC_CLKP 68
#define R9A07G044_USB_U2H0_HCLK 69
#define R9A07G044_USB_U2H1_HCLK 70
#define R9A07G044_USB_U2P_EXR_CPUCLK 71
#define R9A07G044_USB_PCLK 72
#define R9A07G044_ETH0_CLK_AXI 73
#define R9A07G044_ETH0_CLK_CHI 74
#define R9A07G044_ETH1_CLK_AXI 75
#define R9A07G044_ETH1_CLK_CHI 76
#define R9A07G044_I2C0_PCLK 77
#define R9A07G044_I2C1_PCLK 78
#define R9A07G044_I2C2_PCLK 79
#define R9A07G044_I2C3_PCLK 80
#define R9A07G044_SCIF0_CLK_PCK 81
#define R9A07G044_SCIF1_CLK_PCK 82
#define R9A07G044_SCIF2_CLK_PCK 83
#define R9A07G044_SCIF3_CLK_PCK 84
#define R9A07G044_SCIF4_CLK_PCK 85
#define R9A07G044_SCI0_CLKP 86
#define R9A07G044_SCI1_CLKP 87
#define R9A07G044_IRDA_CLKP 88
#define R9A07G044_RSPI0_CLKB 89
#define R9A07G044_RSPI1_CLKB 90
#define R9A07G044_RSPI2_CLKB 91
#define R9A07G044_CANFD_PCLK 92
#define R9A07G044_GPIO_HCLK 93
#define R9A07G044_ADC_ADCLK 94
#define R9A07G044_ADC_PCLK 95
#define R9A07G044_TSU_PCLK 96
/* R9A07G044 Resets */
#define R9A07G044_CA55_RST_1_0 0
#define R9A07G044_CA55_RST_1_1 1
#define R9A07G044_CA55_RST_3_0 2
#define R9A07G044_CA55_RST_3_1 3
#define R9A07G044_CA55_RST_4 4
#define R9A07G044_CA55_RST_5 5
#define R9A07G044_CA55_RST_6 6
#define R9A07G044_CA55_RST_7 7
#define R9A07G044_CA55_RST_8 8
#define R9A07G044_CA55_RST_9 9
#define R9A07G044_CA55_RST_10 10
#define R9A07G044_CA55_RST_11 11
#define R9A07G044_CA55_RST_12 12
#define R9A07G044_GIC600_GICRESET_N 13
#define R9A07G044_GIC600_DBG_GICRESET_N 14
#define R9A07G044_IA55_RESETN 15
#define R9A07G044_MHU_RESETN 16
#define R9A07G044_DMAC_ARESETN 17
#define R9A07G044_DMAC_RST_ASYNC 18
#define R9A07G044_SYC_RESETN 19
#define R9A07G044_OSTM0_PRESETZ 20
#define R9A07G044_OSTM1_PRESETZ 21
#define R9A07G044_OSTM2_PRESETZ 22
#define R9A07G044_MTU_X_PRESET_MTU3 23
#define R9A07G044_POE3_RST_M_REG 24
#define R9A07G044_GPT_RST_C 25
#define R9A07G044_POEG_A_RST 26
#define R9A07G044_POEG_B_RST 27
#define R9A07G044_POEG_C_RST 28
#define R9A07G044_POEG_D_RST 29
#define R9A07G044_WDT0_PRESETN 30
#define R9A07G044_WDT1_PRESETN 31
#define R9A07G044_WDT2_PRESETN 32
#define R9A07G044_SPI_RST 33
#define R9A07G044_SDHI0_IXRST 34
#define R9A07G044_SDHI1_IXRST 35
#define R9A07G044_GPU_RESETN 36
#define R9A07G044_GPU_AXI_RESETN 37
#define R9A07G044_GPU_ACE_RESETN 38
#define R9A07G044_ISU_ARESETN 39
#define R9A07G044_ISU_PRESETN 40
#define R9A07G044_H264_X_RESET_VCP 41
#define R9A07G044_H264_CP_PRESET_P 42
#define R9A07G044_CRU_CMN_RSTB 43
#define R9A07G044_CRU_PRESETN 44
#define R9A07G044_CRU_ARESETN 45
#define R9A07G044_MIPI_DSI_CMN_RSTB 46
#define R9A07G044_MIPI_DSI_ARESET_N 47
#define R9A07G044_MIPI_DSI_PRESET_N 48
#define R9A07G044_LCDC_RESET_N 49
#define R9A07G044_SSI0_RST_M2_REG 50
#define R9A07G044_SSI1_RST_M2_REG 51
#define R9A07G044_SSI2_RST_M2_REG 52
#define R9A07G044_SSI3_RST_M2_REG 53
#define R9A07G044_SRC_RST 54
#define R9A07G044_USB_U2H0_HRESETN 55
#define R9A07G044_USB_U2H1_HRESETN 56
#define R9A07G044_USB_U2P_EXL_SYSRST 57
#define R9A07G044_USB_PRESETN 58
#define R9A07G044_ETH0_RST_HW_N 59
#define R9A07G044_ETH1_RST_HW_N 60
#define R9A07G044_I2C0_MRST 61
#define R9A07G044_I2C1_MRST 62
#define R9A07G044_I2C2_MRST 63
#define R9A07G044_I2C3_MRST 64
#define R9A07G044_SCIF0_RST_SYSTEM_N 65
#define R9A07G044_SCIF1_RST_SYSTEM_N 66
#define R9A07G044_SCIF2_RST_SYSTEM_N 67
#define R9A07G044_SCIF3_RST_SYSTEM_N 68
#define R9A07G044_SCIF4_RST_SYSTEM_N 69
#define R9A07G044_SCI0_RST 70
#define R9A07G044_SCI1_RST 71
#define R9A07G044_IRDA_RST 72
#define R9A07G044_RSPI0_RST 73
#define R9A07G044_RSPI1_RST 74
#define R9A07G044_RSPI2_RST 75
#define R9A07G044_CANFD_RSTP_N 76
#define R9A07G044_CANFD_RSTC_N 77
#define R9A07G044_GPIO_RSTN 78
#define R9A07G044_GPIO_PORT_RESETN 79
#define R9A07G044_GPIO_SPARE_RESETN 80
#define R9A07G044_ADC_PRESETN 81
#define R9A07G044_ADC_ADRST_N 82
#define R9A07G044_TSU_PRESETN 83
#endif /* __DT_BINDINGS_CLOCK_R9A07G044_CPG_H__ */

25
include/dt-bindings/interrupt-controller/irqc-rzg2l.h Normal file
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@ -0,0 +1,25 @@
/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) */
/*
* This header provides constants for Renesas RZ/G2L family IRQC bindings.
*
* Copyright (C) 2022 Renesas Electronics Corp.
*
*/
#ifndef __DT_BINDINGS_IRQC_RZG2L_H
#define __DT_BINDINGS_IRQC_RZG2L_H
/* NMI maps to SPI0 */
#define RZG2L_NMI 0
/* IRQ0-7 map to SPI1-8 */
#define RZG2L_IRQ0 1
#define RZG2L_IRQ1 2
#define RZG2L_IRQ2 3
#define RZG2L_IRQ3 4
#define RZG2L_IRQ4 5
#define RZG2L_IRQ5 6
#define RZG2L_IRQ6 7
#define RZG2L_IRQ7 8
#endif /* __DT_BINDINGS_IRQC_RZG2L_H */

23
include/dt-bindings/pinctrl/rzg2l-pinctrl.h Normal file
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@ -0,0 +1,23 @@
/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) */
/*
* This header provides constants for Renesas RZ/G2L family pinctrl bindings.
*
* Copyright (C) 2021 Renesas Electronics Corp.
*
*/
#ifndef __DT_BINDINGS_RZG2L_PINCTRL_H
#define __DT_BINDINGS_RZG2L_PINCTRL_H
#define RZG2L_PINS_PER_PORT 8
/*
* Create the pin index from its bank and position numbers and store in
* the upper 16 bits the alternate function identifier
*/
#define RZG2L_PORT_PINMUX(b, p, f) ((b) * RZG2L_PINS_PER_PORT + (p) | ((f) << 16))
/* Convert a port and pin label to its global pin index */
#define RZG2L_GPIO(port, pin) ((port) * RZG2L_PINS_PER_PORT + (pin))
#endif /* __DT_BINDINGS_RZG2L_PINCTRL_H */

110
include/renesas/rzg2l-pfc.h Normal file
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@ -0,0 +1,110 @@
/* SPDX-License-Identifier: GPL-2.0 */
/*
* RZ/G2L Pin Function Controller
*
* Copyright (C) 2021-2023 Renesas Electronics Corp.
*/
#ifndef RENESAS_RZG2L_PFC_H
#define RENESAS_RZG2L_PFC_H
/* PIN capabilities */
#define PIN_CFG_IOLH_A BIT(0)
#define PIN_CFG_IOLH_B BIT(1)
#define PIN_CFG_SR BIT(2)
#define PIN_CFG_IEN BIT(3)
#define PIN_CFG_PUPD BIT(4)
#define PIN_CFG_IO_VMC_SD0 BIT(5)
#define PIN_CFG_IO_VMC_SD1 BIT(6)
#define PIN_CFG_IO_VMC_QSPI BIT(7)
#define PIN_CFG_IO_VMC_ETH0 BIT(8)
#define PIN_CFG_IO_VMC_ETH1 BIT(9)
#define PIN_CFG_FILONOFF BIT(10)
#define PIN_CFG_FILNUM BIT(11)
#define PIN_CFG_FILCLKSEL BIT(12)
#define RZG2L_MPXED_PIN_FUNCS (PIN_CFG_IOLH_A | \
PIN_CFG_SR | \
PIN_CFG_PUPD | \
PIN_CFG_FILONOFF | \
PIN_CFG_FILNUM | \
PIN_CFG_FILCLKSEL)
#define RZG2L_MPXED_ETH_PIN_FUNCS(x) ((x) | \
PIN_CFG_FILONOFF | \
PIN_CFG_FILNUM | \
PIN_CFG_FILCLKSEL)
/* GPIO port data macros:
* n indicates number of pins in the port, a is the register index
* and f is pin configuration capabilities supported.
*/
#define RZG2L_GPIO_PORT_PACK(n, a, f) (((n) << 28) | ((a) << 20) | (f))
#define RZG2L_GPIO_PORT_GET_PINCNT(x) (((x) & GENMASK(30, 28)) >> 28)
#define RZG2L_GPIO_PORT_GET_INDEX(x) (((x) & GENMASK(26, 20)) >> 20)
#define RZG2L_GPIO_PORT_GET_CFGS(x) ((x) & GENMASK(19, 0))
/* Dedicated pin data macros:
* BIT(31) indicates dedicated pin, p is the register index while
* referencing to SR/IEN/IOLH/FILxx registers, b is the register bits
* (b * 8) and f is the pin configuration capabilities supported.
*/
#define RZG2L_SINGLE_PIN BIT(31)
#define RZG2L_SINGLE_PIN_PACK(p, b, f) (RZG2L_SINGLE_PIN | \
((p) << 24) | ((b) << 20) | (f))
#define RZG2L_SINGLE_PIN_GET_PORT_OFFSET(x) (((x) & GENMASK(30, 24)) >> 24)
#define RZG2L_SINGLE_PIN_GET_BIT(x) (((x) & GENMASK(22, 20)) >> 20)
#define RZG2L_SINGLE_PIN_GET_CFGS(x) ((x) & GENMASK(19, 0))
/* Pinmux data encoded in the device tree uses:
* 16 lower bits [15:0] for pin identifier
* 16 higher bits [31:16] for pin mux function
*/
#define MUX_PIN_ID_MASK GENMASK(15, 0)
#define MUX_FUNC_MASK GENMASK(31, 16)
#define RZG2L_PINS_PER_PORT 8
#define RZG2L_PINMUX_TO_PORT(conf) (((conf) & MUX_PIN_ID_MASK) / RZG2L_PINS_PER_PORT)
#define RZG2L_PINMUX_TO_PIN(conf) (((conf) & MUX_PIN_ID_MASK) % RZG2L_PINS_PER_PORT)
#define RZG2L_PINMUX_TO_FUNC(conf) (((conf) & MUX_FUNC_MASK) >> 16)
/* Register offsets and values. */
#define P(n) (0x0000 + 0x10 + (n))
#define PM(n) (0x0100 + 0x20 + (n) * 2)
#define PMC(n) (0x0200 + 0x10 + (n))
#define PFC(n) (0x0400 + 0x40 + (n) * 4)
#define PIN(n) (0x0800 + 0x10 + (n))
#define IOLH(n) (0x1000 + (n) * 8)
#define IEN(n) (0x1800 + (n) * 8)
#define PWPR 0x3014
#define SD_CH(n) (0x3000 + (n) * 4)
#define QSPI 0x3008
#define PVDD_1800 1 /* I/O domain voltage <= 1.8V */
#define PVDD_3300 0 /* I/O domain voltage >= 3.3V */
#define PWPR_B0WI BIT(7) /* Bit Write Disable */
#define PWPR_PFCWE BIT(6) /* PFC Register Write Enable */
#define PM_MASK 0x03
#define PVDD_MASK 0x01
#define PFC_MASK 0x07
#define IEN_MASK 0x01
#define IOLH_MASK 0x03
#define PM_HIGH_Z 0x0
#define PM_INPUT 0x1
#define PM_OUTPUT 0x2
#define PM_OUTPUT_IEN 0x3
struct rzg2l_pfc_data {
void __iomem *base;
uint num_dedicated_pins;
uint num_ports;
uint num_pins;
const u32 *gpio_configs;
};
int rzg2l_pfc_enable(struct udevice *dev);
bool rzg2l_port_validate(const struct rzg2l_pfc_data *data, u32 port, u8 pin);
#endif /* RENESAS_RZG2L_PFC_H */