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https://github.com/AsahiLinux/u-boot
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ARM: dts: stm32: Add DHCOR based Testbench board
Add DT for DHCOR Testbench board, which is a testbench for testing of DHCOR SoM during manufacturing. This is effectively a trimmed down version of AV96 board with CSI-2 bridge, HDMI bridge, WiFi, Audio and LEDs removed and used as GPIOs instead. Furthermore, the PMIC Buck3 is always configured from PMIC NVM to cater for both 1V8 and 3V3 SoM variant. Signed-off-by: Marek Vasut <marex@denx.de> Cc: Patrice Chotard <patrice.chotard@foss.st.com> Cc: Patrick Delaunay <patrick.delaunay@foss.st.com> Reviewed-by: Patrice Chotard <patrice.chotard@foss.st.com>
This commit is contained in:
Marek Vasut
Patrice Chotard
parent
f8edb1e79c
commit
0de10e2fe1
5 changed files with 325 additions and 17 deletions
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@ -1205,7 +1205,8 @@ dtb-$(CONFIG_STM32MP15x) += \
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stm32mp15xx-dhcom-pdk2.dtb \
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stm32mp15xx-dhcom-picoitx.dtb \
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stm32mp15xx-dhcor-avenger96.dtb \
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stm32mp15xx-dhcor-drc-compact.dtb
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stm32mp15xx-dhcor-drc-compact.dtb \
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stm32mp15xx-dhcor-testbench.dtb
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dtb-$(CONFIG_SOC_K3_AM654) += \
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k3-am654-base-board.dtb \
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100
arch/arm/dts/stm32mp15xx-dhcor-testbench-u-boot.dtsi
Normal file
100
arch/arm/dts/stm32mp15xx-dhcor-testbench-u-boot.dtsi
Normal file
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@ -0,0 +1,100 @@
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// SPDX-License-Identifier: GPL-2.0+ OR BSD-3-Clause
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/*
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* Copyright (C) 2022 Marek Vasut <marex@denx.de>
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*/
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#include "stm32mp15xx-dhcor-u-boot.dtsi"
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/ {
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aliases {
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mmc0 = &sdmmc1;
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mmc1 = &sdmmc2;
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usb0 = &usbotg_hs;
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};
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config {
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dh,board-coding-gpios = <&gpiog 13 0>, <&gpiod 9 0>;
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};
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};
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ðernet0 {
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phy-reset-gpios = <&gpioz 2 GPIO_ACTIVE_LOW>;
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mdio0 {
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ethernet-phy@7 {
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reset-gpios = <&gpioz 2 GPIO_ACTIVE_LOW>;
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reset-assert-us = <11000>;
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reset-deassert-us = <1000>;
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};
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};
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};
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&sdmmc1 {
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u-boot,dm-spl;
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st,use-ckin;
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st,cmd-gpios = <&gpiod 2 0>;
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st,ck-gpios = <&gpioc 12 0>;
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st,ckin-gpios = <&gpioe 4 0>;
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};
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&sdmmc1_b4_pins_a {
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u-boot,dm-spl;
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pins1 {
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u-boot,dm-spl;
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};
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pins2 {
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u-boot,dm-spl;
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};
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};
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&sdmmc1_dir_pins_b {
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u-boot,dm-spl;
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pins1 {
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u-boot,dm-spl;
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};
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pins2 {
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u-boot,dm-spl;
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};
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};
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&sdmmc2 {
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u-boot,dm-spl;
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};
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&sdmmc2_b4_pins_a {
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u-boot,dm-spl;
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pins1 {
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u-boot,dm-spl;
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};
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pins2 {
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u-boot,dm-spl;
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};
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};
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&sdmmc2_d47_pins_c {
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u-boot,dm-spl;
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pins {
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u-boot,dm-spl;
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};
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};
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&uart4 {
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u-boot,dm-pre-reloc;
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};
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&uart4_pins_b {
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u-boot,dm-pre-reloc;
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pins1 {
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u-boot,dm-pre-reloc;
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};
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pins2 {
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u-boot,dm-pre-reloc;
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/delete-property/ bias-disable;
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bias-pull-up;
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};
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};
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&usbotg_hs {
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u-boot,force-b-session-valid;
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hnp-srp-disable;
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};
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178
arch/arm/dts/stm32mp15xx-dhcor-testbench.dts
Normal file
178
arch/arm/dts/stm32mp15xx-dhcor-testbench.dts
Normal file
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@ -0,0 +1,178 @@
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// SPDX-License-Identifier: (GPL-2.0 OR BSD-3-Clause)
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/*
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* Copyright (C) 2022 Marek Vasut <marex@denx.de>
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*/
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/dts-v1/;
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#include "stm32mp151.dtsi"
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#include "stm32mp15xx-dhcor-som.dtsi"
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/ {
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model = "DH electronics STM32MP15xx DHCOR Testbench";
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compatible = "dh,stm32mp15xx-dhcor-testbench", "st,stm32mp1xx";
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aliases {
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ethernet0 = ðernet0;
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mmc0 = &sdmmc1;
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mmc1 = &sdmmc2;
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serial0 = &uart4;
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serial1 = &uart7;
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spi0 = &qspi;
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};
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chosen {
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stdout-path = "serial0:115200n8";
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};
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sd_switch: regulator-sd_switch {
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compatible = "regulator-gpio";
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regulator-name = "sd_switch";
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regulator-min-microvolt = <1800000>;
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regulator-max-microvolt = <2900000>;
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regulator-type = "voltage";
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regulator-always-on;
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gpios = <&gpioi 5 GPIO_ACTIVE_HIGH>;
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gpios-states = <0>;
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states = <1800000 0x1>,
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<2900000 0x0>;
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};
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};
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&adc {
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pinctrl-names = "default";
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pinctrl-0 = <&adc12_ain_pins_b>;
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vdd-supply = <&vdd>;
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vdda-supply = <&vdda>;
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vref-supply = <&vdda>;
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status = "okay";
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adc1: adc@0 {
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st,adc-channels = <0 1 6>;
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st,min-sample-time-nsecs = <5000>;
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status = "okay";
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};
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adc2: adc@100 {
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st,adc-channels = <0 1 2>;
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st,min-sample-time-nsecs = <5000>;
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status = "okay";
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};
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};
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ðernet0 {
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status = "okay";
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pinctrl-0 = <ðernet0_rgmii_pins_c>;
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pinctrl-1 = <ðernet0_rgmii_sleep_pins_c>;
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pinctrl-names = "default", "sleep";
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phy-mode = "rgmii";
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max-speed = <1000>;
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phy-handle = <&phy0>;
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mdio0 {
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#address-cells = <1>;
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#size-cells = <0>;
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compatible = "snps,dwmac-mdio";
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reset-gpios = <&gpioz 2 GPIO_ACTIVE_LOW>;
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reset-delay-us = <1000>;
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phy0: ethernet-phy@7 {
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reg = <7>;
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rxc-skew-ps = <1500>;
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rxdv-skew-ps = <540>;
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rxd0-skew-ps = <420>;
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rxd1-skew-ps = <420>;
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rxd2-skew-ps = <420>;
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rxd3-skew-ps = <420>;
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txc-skew-ps = <1440>;
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txen-skew-ps = <540>;
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txd0-skew-ps = <420>;
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txd1-skew-ps = <420>;
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txd2-skew-ps = <420>;
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txd3-skew-ps = <420>;
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};
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};
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};
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&sdmmc1 {
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pinctrl-names = "default", "opendrain", "sleep";
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pinctrl-0 = <&sdmmc1_b4_pins_a &sdmmc1_dir_pins_b>;
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pinctrl-1 = <&sdmmc1_b4_od_pins_a &sdmmc1_dir_pins_b>;
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pinctrl-2 = <&sdmmc1_b4_sleep_pins_a &sdmmc1_dir_sleep_pins_b>;
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cd-gpios = <&gpioi 8 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>;
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disable-wp;
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st,sig-dir;
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st,neg-edge;
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st,use-ckin;
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bus-width = <4>;
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vmmc-supply = <&vdd_sd>;
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vqmmc-supply = <&sd_switch>;
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status = "okay";
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};
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&sdmmc2 {
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pinctrl-names = "default", "opendrain", "sleep";
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pinctrl-0 = <&sdmmc2_b4_pins_a &sdmmc2_d47_pins_c>;
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pinctrl-1 = <&sdmmc2_b4_od_pins_a &sdmmc2_d47_pins_c>;
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pinctrl-2 = <&sdmmc2_b4_sleep_pins_a &sdmmc2_d47_sleep_pins_c>;
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bus-width = <8>;
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mmc-ddr-1_8v;
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no-sd;
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no-sdio;
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non-removable;
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st,neg-edge;
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vmmc-supply = <&v3v3>;
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vqmmc-supply = <&v3v3>;
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status = "okay";
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};
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&uart4 {
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pinctrl-names = "default";
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pinctrl-0 = <&uart4_pins_b>;
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/delete-property/dmas;
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/delete-property/dma-names;
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status = "okay";
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};
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&uart7 {
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pinctrl-names = "default";
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pinctrl-0 = <&uart7_pins_a>;
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uart-has-rtscts;
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/delete-property/dmas;
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/delete-property/dma-names;
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status = "okay";
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};
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&usbh_ehci {
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phys = <&usbphyc_port0>;
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phy-names = "usb";
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status = "okay";
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};
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&usbotg_hs {
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pinctrl-0 = <&usbotg_hs_pins_a>;
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pinctrl-names = "default";
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phy-names = "usb2-phy";
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phys = <&usbphyc_port1 0>;
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status = "okay";
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vbus-supply = <&vbus_otg>;
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};
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&usbphyc {
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status = "okay";
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};
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&usbphyc_port0 {
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phy-supply = <&vdd_usb>;
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};
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&usbphyc_port1 {
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phy-supply = <&vdd_usb>;
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};
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&vdd {
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/delete-property/ regulator-always-on;
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regulator-min-microvolt = <1200000>;
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};
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@ -547,7 +547,7 @@ static int board_get_regulator_buck3_nvm_uv_av96(int *uv)
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if (!prop || !len)
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return -ENODEV;
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if (!strstr(prop, "avenger96"))
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if (!strstr(prop, "avenger96") && !strstr(prop, "dhcor-testbench"))
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return -EINVAL;
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/* Read out STPMIC1 NVM and determine default Buck3 voltage. */
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@ -564,18 +564,32 @@ static int board_get_regulator_buck3_nvm_uv_av96(int *uv)
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bucks_vout >>= STPMIC_NVM_BUCKS_VOUT_SHR_BUCK_OFFSET(3);
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bucks_vout &= STPMIC_NVM_BUCKS_VOUT_SHR_BUCK_MASK;
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if (strstr(prop, "avenger96")) {
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/*
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* Avenger96 board comes in multiple regulator configurations:
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* - rev.100 or rev.200 have Buck3 preconfigured to 3V3 operation on
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* boot and contains extra Enpirion EP53A8LQI DCDC converter which
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* supplies the IO. Reduce Buck3 voltage to 2V9 to not waste power.
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* - rev.200L have Buck3 preconfigured to 1V8 operation and have no
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* Enpirion EP53A8LQI DCDC anymore, the IO is supplied from Buck3.
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* - rev.100 or rev.200 have Buck3 preconfigured to
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* 3V3 operation on boot and contains extra Enpirion
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* EP53A8LQI DCDC converter which supplies the IO.
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* Reduce Buck3 voltage to 2V9 to not waste power.
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* - rev.200L have Buck3 preconfigured to 1V8 operation
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* and have no Enpirion EP53A8LQI DCDC anymore, the
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* IO is supplied from Buck3.
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*/
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if (bucks_vout == STPMIC_NVM_BUCKS_VOUT_SHR_BUCK_3V3)
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*uv = 2900000;
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else
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*uv = 1800000;
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} else {
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/* Testbench always respects Buck3 NVM settings */
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if (bucks_vout == STPMIC_NVM_BUCKS_VOUT_SHR_BUCK_3V3)
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*uv = 3300000;
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else if (bucks_vout == STPMIC_NVM_BUCKS_VOUT_SHR_BUCK_3V0)
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*uv = 3000000;
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else if (bucks_vout == STPMIC_NVM_BUCKS_VOUT_SHR_BUCK_1V8)
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*uv = 1800000;
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else /* STPMIC_NVM_BUCKS_VOUT_SHR_BUCK_1V2 */
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*uv = 1200000;
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}
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return 0;
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}
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@ -18,13 +18,21 @@
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fdt-1 {
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description = ".dtb";
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data = /incbin/("arch/arm/dts/stm32mp15xx-dhcor-avenger96.dtb");
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data = /incbin/("arch/arm/dts/stm32mp15xx-dhcor-testbench.dtb");
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type = "flat_dt";
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arch = "arm";
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compression = "none";
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};
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fdt-2 {
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description = ".dtb";
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data = /incbin/("arch/arm/dts/stm32mp15xx-dhcor-avenger96.dtb");
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type = "flat_dt";
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arch = "arm";
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compression = "none";
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};
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fdt-3 {
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description = ".dtb";
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data = /incbin/("arch/arm/dts/stm32mp15xx-dhcor-drc-compact.dtb");
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type = "flat_dt";
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@ -38,18 +46,25 @@
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config-1 {
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/* DT+SoM+board model */
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description = "arrow,stm32mp15xx-avenger96_somrev0_boardrev1";
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description = "dh,stm32mp15xx-dhcor-testbench_somrev0_boardrev1";
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firmware = "uboot";
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fdt = "fdt-1";
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};
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config-2 {
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/* DT+SoM+board model */
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description = "dh,stm32mp15xx-dhcor-drc-compact_somrev0_boardrev0";
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description = "arrow,stm32mp15xx-avenger96_somrev0_boardrev1";
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firmware = "uboot";
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fdt = "fdt-2";
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};
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config-3 {
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/* DT+SoM+board model */
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description = "dh,stm32mp15xx-dhcor-drc-compact_somrev0_boardrev0";
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firmware = "uboot";
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fdt = "fdt-3";
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};
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/* Add 586-200..586-400 with fdt-2..fdt-4 here */
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};
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};
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