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18402a104e
Add I2C GPIO expander required to power cycle MMC/SD Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com> Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
174 lines
3.5 KiB
Text
174 lines
3.5 KiB
Text
// SPDX-License-Identifier: GPL-2.0
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/*
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* Copyright (C) 2019 Texas Instruments Incorporated - http://www.ti.com/
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*/
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/dts-v1/;
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#include "k3-j721e-som-p0.dtsi"
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/ {
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chosen {
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stdout-path = "serial2:115200n8";
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bootargs = "console=ttyS2,115200n8 earlycon=ns16550a,mmio32,0x02800000";
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};
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aliases {
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remoteproc0 = &mcu_r5fss0_core0;
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remoteproc1 = &mcu_r5fss0_core1;
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remoteproc2 = &main_r5fss0_core0;
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remoteproc3 = &main_r5fss0_core1;
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remoteproc4 = &main_r5fss1_core0;
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remoteproc5 = &main_r5fss1_core1;
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remoteproc6 = &c66_0;
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remoteproc7 = &c66_1;
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remoteproc8 = &c71_0;
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};
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};
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&wkup_uart0 {
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/* Wakeup UART is used by System firmware */
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status = "disabled";
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};
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&main_uart0 {
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power-domains = <&k3_pds 146 TI_SCI_PD_SHARED>;
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};
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&main_uart3 {
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/* UART not brought out */
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status = "disabled";
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};
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&main_uart5 {
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/* UART not brought out */
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status = "disabled";
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};
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&main_uart6 {
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/* UART not brought out */
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status = "disabled";
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};
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&main_uart7 {
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/* UART not brought out */
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status = "disabled";
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};
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&main_uart8 {
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/* UART not brought out */
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status = "disabled";
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};
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&main_uart9 {
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/* UART not brought out */
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status = "disabled";
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};
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&main_pmx0 {
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main_mmc1_pins_default: main_mmc1_pins_default {
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pinctrl-single,pins = <
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J721E_IOPAD(0x254, PIN_INPUT, 0) /* (R29) MMC1_CMD */
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J721E_IOPAD(0x250, PIN_INPUT, 0) /* (P25) MMC1_CLK */
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J721E_IOPAD(0x2ac, PIN_INPUT, 0) /* (P25) MMC1_CLKLB */
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J721E_IOPAD(0x24c, PIN_INPUT, 0) /* (R24) MMC1_DAT0 */
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J721E_IOPAD(0x248, PIN_INPUT, 0) /* (P24) MMC1_DAT1 */
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J721E_IOPAD(0x244, PIN_INPUT, 0) /* (R25) MMC1_DAT2 */
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J721E_IOPAD(0x240, PIN_INPUT, 0) /* (R26) MMC1_DAT3 */
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J721E_IOPAD(0x258, PIN_INPUT, 0) /* (P23) MMC1_SDCD */
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J721E_IOPAD(0x25c, PIN_INPUT, 0) /* (R28) MMC1_SDWP */
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>;
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};
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};
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&main_sdhci0 {
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/* eMMC */
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non-removable;
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ti,driver-strength-ohm = <50>;
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};
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&main_sdhci1 {
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/* SD card */
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pinctrl-names = "default";
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pinctrl-0 = <&main_mmc1_pins_default>;
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ti,driver-strength-ohm = <50>;
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};
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&main_pmx0 {
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main_usbss0_pins_default: main_usbss0_pins_default {
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pinctrl-single,pins = <
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J721E_IOPAD(0x290, PIN_OUTPUT, 0) /* (U6) USB0_DRVVBUS */
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J721E_IOPAD(0x210, PIN_INPUT, 7) /* (W3) MCAN1_RX.GPIO1_3 */
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>;
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};
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main_usbss1_pins_default: main_usbss1_pins_default {
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pinctrl-single,pins = <
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J721E_IOPAD(0x214, PIN_OUTPUT, 4) /* (V4) MCAN1_TX.USB1_DRVVBUS */
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>;
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};
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main_i2c0_pins_default: main-i2c0-pins-default {
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pinctrl-single,pins = <
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J721E_IOPAD(0x220, PIN_INPUT_PULLUP, 0) /* (AC5) I2C0_SCL */
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J721E_IOPAD(0x224, PIN_INPUT_PULLUP, 0) /* (AA5) I2C0_SDA */
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>;
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};
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};
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&wkup_pmx0 {
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wkup_i2c0_pins_default: wkup-i2c0-pins-default {
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pinctrl-single,pins = <
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J721E_WKUP_IOPAD(0xf8, PIN_INPUT_PULLUP, 0) /* (J25) WKUP_I2C0_SCL */
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J721E_WKUP_IOPAD(0xfc, PIN_INPUT_PULLUP, 0) /* (H24) WKUP_I2C0_SDA */
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>;
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};
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};
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&usbss0 {
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pinctrl-names = "default";
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pinctrl-0 = <&main_usbss0_pins_default>;
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ti,vbus-divider;
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};
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&usb0 {
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dr_mode = "otg";
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maximum-speed = "super-speed";
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};
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&usbss1 {
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pinctrl-names = "default";
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pinctrl-0 = <&main_usbss1_pins_default>;
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ti,usb2-only;
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};
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&usb1 {
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dr_mode = "host";
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maximum-speed = "high-speed";
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};
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&wkup_i2c0 {
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pinctrl-names = "default";
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pinctrl-0 = <&wkup_i2c0_pins_default>;
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clock-frequency = <400000>;
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};
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&main_i2c0 {
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pinctrl-names = "default";
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pinctrl-0 = <&main_i2c0_pins_default>;
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clock-frequency = <400000>;
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exp1: gpio@20 {
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compatible = "ti,tca6416";
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reg = <0x20>;
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gpio-controller;
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#gpio-cells = <2>;
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};
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exp2: gpio@22 {
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compatible = "ti,tca6424";
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reg = <0x22>;
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gpio-controller;
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#gpio-cells = <2>;
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};
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};
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