TOMOYO Linux Cross Reference
Linux/arch/arm/boot/dts/st/stm32mp157c-lxa-mc1.dts

   /* SPDX-License-Identifier: (GPL-2.0-or-later OR BSD-3-Clause) */
   /*
    * Copyright (C) 2020 STMicroelectronics - All Rights Reserved
    * Copyright (C) 2020 Ahmad Fatoum, Pengutronix
    */
   
   /dts-v1/;
   
   #include "stm32mp157.dtsi"
  #include "stm32mp15xx-osd32.dtsi"
  #include "stm32mp15xxac-pinctrl.dtsi"
  
  #include <dt-bindings/gpio/gpio.h>
  #include <dt-bindings/pwm/pwm.h>
  
  / {
          model = "Linux Automation MC-1 board";
          compatible = "lxa,stm32mp157c-mc1", "oct,stm32mp15xx-osd32", "st,stm32mp157";
  
          aliases {
                  ethernet0 = &ethernet0;
                  mmc0 = &sdmmc1;
                  mmc1 = &sdmmc2;
                  serial0 = &uart4;
          };
  
          backlight: backlight {
                  compatible = "pwm-backlight";
                  pwms = <&backlight_pwm 1 100000 PWM_POLARITY_INVERTED>;
                  brightness-levels = <0 31 63 95 127 159 191 223 255>;
                  default-brightness-level = <7>;
                  power-supply = <&reg_5v2>; /* 3V3_BACKLIGHT */
          };
  
          chosen {
                  stdout-path = &uart4;
          };
  
          led-controller-0 {
                  compatible = "gpio-leds";
  
                  led-0 {
                          label = "mc1:green:act";
                          gpios = <&gpioa 13 GPIO_ACTIVE_LOW>;
                          linux,default-trigger = "heartbeat";
                  };
          };
  
          led-controller-1 {
                  compatible = "pwm-leds";
  
                  /* led-1 to led-3 are part of a single RGB led */
                  led-1 {
                          label = "mc1:red:rgb";
                          pwms = <&leds_pwm 1 1000000 0>;
                          max-brightness = <255>;
                          active-low;
                  };
  
                  led-2 {
                          label = "mc1:green:rgb";
                          pwms = <&leds_pwm 2 1000000 0>;
                          max-brightness = <255>;
                          active-low;
                  };
  
                  led-3 {
                          label = "mc1:blue:rgb";
                          pwms = <&leds_pwm 3 1000000 0>;
                          max-brightness = <255>;
                          active-low;
                  };
          };
  
          panel: panel {
                  compatible = "edt,etm0700g0edh6";
                  backlight = <&backlight>;
                  enable-gpios = <&gpiod 4 GPIO_ACTIVE_HIGH>;
                  power-supply = <&reg_3v3>;
  
                  port {
                          panel_input: endpoint {
                                  remote-endpoint = <&ltdc_ep0_out>;
                          };
                  };
          };
  
          reg_3v3: regulator_3v3 {
                  compatible = "regulator-fixed";
                  regulator-name = "3V3";
                  regulator-min-microvolt = <3300000>;
                  regulator-max-microvolt = <3300000>;
                  regulator-always-on;
                  vin-supply = <&v3v3>;
          };
  
          /* supplied by either debug board or PoE */
          reg_5v2: regulator_5v2 {
                  compatible = "regulator-fixed";
                 regulator-name = "5V2";
                 regulator-min-microvolt = <5200000>;
                 regulator-max-microvolt = <5200000>;
                 regulator-always-on;
         };
 };
 
 &ethernet0 {
         pinctrl-names = "default", "sleep";
         pinctrl-0 = <&ethernet0_rgmii_pins_b>;
         pinctrl-1 = <&ethernet0_rgmii_sleep_pins_b>;
         phy-mode = "rgmii-id";
         phy-handle = <&ethphy>;
         status = "okay";
 
         mdio {
                 compatible = "snps,dwmac-mdio";
                 #address-cells = <1>;
                 #size-cells = <0>;
 
                 ethphy: ethernet-phy@3 { /* KSZ9031RN */
                         reg = <3>;
                         reset-gpios = <&gpiog 0 GPIO_ACTIVE_LOW>; /* ETH_RST# */
                         interrupt-parent = <&gpioa>;
                         interrupts = <6 IRQ_TYPE_EDGE_FALLING>; /* ETH_MDINT# */
                         reset-assert-us = <10000>;
                         reset-deassert-us = <300>;
                         micrel,force-master;
                 };
         };
 };
 
 &gpioz {
         gpio-line-names = "HWID0", "HWID1", "HWID2", "HWID3", "", "",
                           "HWID4", "HWID5";
 };
 
 &i2c5 {
         pinctrl-names = "default", "sleep";
         pinctrl-0 = <&i2c5_pins_b>;
         pinctrl-1 = <&i2c5_sleep_pins_b>;
         clock-frequency = <400000>;
         status = "okay";
 
         touchscreen@38 {
                 compatible = "edt,edt-ft5x06";
                 interrupt-parent = <&gpiod>;
                 interrupts = <11 IRQ_TYPE_EDGE_FALLING>; /* TOUCH_INT# */
                 vcc-supply = <&reg_3v3>;
                 reg = <0x38>;
                 reset-gpios = <&gpiof 8 GPIO_ACTIVE_LOW>; /* TOUCH_RESET# */
                 touchscreen-size-x = <1792>;
                 touchscreen-size-y = <1024>;
                 wakeup-source;
         };
 };
 
 &ltdc {
         pinctrl-names = "default", "sleep";
         pinctrl-0 = <&ltdc_pins_c>;
         pinctrl-1 = <&ltdc_sleep_pins_c>;
         status = "okay";
 
         port {
                 ltdc_ep0_out: endpoint {
                         remote-endpoint = <&panel_input>;
                 };
         };
 };
 
 &pmic {
         regulators {
                 buck4-supply = <&reg_5v2>;      /* VIN */
                 ldo2-supply = <&reg_5v2>;       /* PMIC_LDO25IN */
                 ldo5-supply = <&reg_5v2>;       /* PMIC_LDO25IN */
                 boost-supply = <&reg_5v2>;      /* PMIC_BSTIN */
                 pwr_sw2-supply = <&bst_out>;    /* PMIC_SWIN */
         };
 };
 
 &sdmmc1 {
         pinctrl-names = "default", "opendrain", "sleep";
         pinctrl-0 = <&sdmmc1_b4_pins_a>;
         pinctrl-1 = <&sdmmc1_b4_od_pins_a>;
         pinctrl-2 = <&sdmmc1_b4_sleep_pins_a>;
         bus-width = <4>;
         cd-gpios = <&gpioh 3 GPIO_ACTIVE_LOW>;
         disable-wp;
         no-1-8-v;
         st,neg-edge;
         vmmc-supply = <&reg_3v3>;
         status = "okay";
 };
 
 &sdmmc1_b4_pins_a {
         /*
          * board lacks external pull-ups on SDMMC lines. Class 10 SD refuses to
          * work, thus enable internal pull-ups.
          */
         pins1 {
                 /delete-property/ bias-disable;
                 bias-pull-up;
         };
         pins2 {
                 /delete-property/ bias-disable;
                 bias-pull-up;
         };
 };
 
 &sdmmc2 {
         pinctrl-names = "default", "opendrain", "sleep";
         pinctrl-0 = <&sdmmc2_b4_pins_a &sdmmc2_d47_pins_b>;
         pinctrl-1 = <&sdmmc2_b4_od_pins_a &sdmmc2_d47_pins_b>;
         pinctrl-2 = <&sdmmc2_b4_sleep_pins_a &sdmmc2_d47_sleep_pins_b>;
         bus-width = <8>;
         mmc-ddr-3_3v;
         no-1-8-v;
         no-sd;
         no-sdio;
         non-removable;
         st,neg-edge;
         vmmc-supply = <&reg_3v3>;
         status = "okay";
 };
 
 &timers3 {
         status = "okay";
 
         backlight_pwm: pwm {
                 pinctrl-names = "default", "sleep";
                 pinctrl-0 = <&pwm3_pins_b>;
                 pinctrl-1 = <&pwm3_sleep_pins_b>;
                 status = "okay";
         };
 };
 
 &timers5 {
         status = "okay";
 
         leds_pwm: pwm {
                 pinctrl-names = "default", "sleep";
                 pinctrl-0 = <&pwm5_pins_b>;
                 pinctrl-1 = <&pwm5_sleep_pins_b>;
                 status = "okay";
         };
 };
 
 &uart4 {
         pinctrl-names = "default";
         pinctrl-0 = <&uart4_pins_a>;
         /delete-property/dmas;
         /delete-property/dma-names;
         status = "okay";
 };

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