arch/arm/boot/dts/stm32mp157a-microgea-stm32mp1-microdev2.0-of7.dts

   1 // SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause)
   2 /*
   3  * Copyright (c) STMicroelectronics 2019 - All Rights Reserved
   4  * Copyright (c) 2020 Engicam srl
   5  * Copyright (c) 2020 Amarula Solutons(India)
   6  */
   7
   8 /dts-v1/;
   9 #include "stm32mp157.dtsi"
  10 #include "stm32mp157a-microgea-stm32mp1.dtsi"
  11 #include "stm32mp15-pinctrl.dtsi"
  12 #include "stm32mp15xxaa-pinctrl.dtsi"
  13 #include <dt-bindings/gpio/gpio.h>
  14
  15 / {
  16         model = "Engicam MicroGEA STM32MP1 MicroDev 2.0 7\" Open Frame";
  17         compatible = "engicam,microgea-stm32mp1-microdev2.0-of7",
  18                      "engicam,microgea-stm32mp1", "st,stm32mp157";
  19
  20         aliases {
  21                 serial0 = &uart4;
  22                 serial1 = &uart8;
  23         };
  24
  25         chosen {
  26                 stdout-path = "serial0:115200n8";
  27         };
  28
  29         backlight: backlight {
  30                 compatible = "gpio-backlight";
  31                 gpios = <&gpiod 13 GPIO_ACTIVE_HIGH>;
  32                 default-on;
  33         };
  34
  35         lcd_3v3: regulator-lcd-3v3 {
  36                 compatible = "regulator-fixed";
  37                 regulator-name = "lcd_3v3";
  38                 regulator-min-microvolt = <3300000>;
  39                 regulator-max-microvolt = <3300000>;
  40                 gpio = <&gpiof 10 GPIO_ACTIVE_HIGH>;
  41                 enable-active-high;
  42                 regulator-always-on;
  43                 power-supply = <&panel_pwr>;
  44         };
  45
  46         panel_pwr: regulator-panel-pwr {
  47                 compatible = "regulator-fixed";
  48                 regulator-name = "panel_pwr";
  49                 regulator-min-microvolt = <3300000>;
  50                 regulator-max-microvolt = <3300000>;
  51                 gpio = <&gpiob 10 GPIO_ACTIVE_HIGH>;
  52                 regulator-always-on;
  53         };
  54
  55         panel {
  56                 compatible = "auo,b101aw03";
  57                 backlight = <&backlight>;
  58                 enable-gpios = <&gpiof 2 GPIO_ACTIVE_HIGH>;
  59                 power-supply = <&lcd_3v3>;
  60
  61                 port {
  62                         panel_in: endpoint {
  63                                 remote-endpoint = <&ltdc_ep0_out>;
  64                         };
  65                 };
  66         };
  67 };
  68
  69 &i2c2 {
  70         i2c-scl-falling-time-ns = <20>;
  71         i2c-scl-rising-time-ns = <185>;
  72         pinctrl-names = "default", "sleep";
  73         pinctrl-0 = <&i2c2_pins_a>;
  74         pinctrl-1 = <&i2c2_sleep_pins_a>;
  75         status = "okay";
  76 };
  77
  78 &ltdc {
  79         pinctrl-names = "default";
  80         pinctrl-0 = <&ltdc_pins>;
  81         status = "okay";
  82
  83         port {
  84                 ltdc_ep0_out: endpoint@0 {
  85                         reg = <0>;
  86                         remote-endpoint = <&panel_in>;
  87                 };
  88         };
  89 };
  90
  91 &pinctrl {
  92         ltdc_pins: ltdc-0 {
  93                 pins {
  94                         pinmux = <STM32_PINMUX('G', 10, AF14)>, /* LTDC_B2 */
  95                                  <STM32_PINMUX('H', 12, AF14)>, /* LTDC_R6 */
  96                                  <STM32_PINMUX('H', 11, AF14)>, /* LTDC_R5 */
  97                                  <STM32_PINMUX('D', 10, AF14)>, /* LTDC_B3 */
  98                                  <STM32_PINMUX('D', 9, AF14)>,  /* LTDC_B0 */
  99                                  <STM32_PINMUX('E', 5, AF14)>,  /* LTDC_G0 */
 100                                  <STM32_PINMUX('E', 6, AF14)>,  /* LTDC_G1 */
 101                                  <STM32_PINMUX('E', 13, AF14)>, /* LTDC_DE */
 102                                  <STM32_PINMUX('E', 15, AF14)>, /* LTDC_R7 */
 103                                  <STM32_PINMUX('G', 7, AF14)>,  /* LTDC_CLK */
 104                                  <STM32_PINMUX('G', 12, AF14)>, /* LTDC_B1 */
 105                                  <STM32_PINMUX('H', 2, AF14)>,  /* LTDC_R0 */
 106                                  <STM32_PINMUX('H', 3, AF14)>,  /* LTDC_R1 */
 107                                  <STM32_PINMUX('H', 8, AF14)>,  /* LTDC_R2 */
 108                                  <STM32_PINMUX('H', 9, AF14)>,  /* LTDC_R3 */
 109                                  <STM32_PINMUX('H', 10, AF14)>, /* LTDC_R4 */
 110                                  <STM32_PINMUX('H', 13, AF14)>, /* LTDC_G2 */
 111                                  <STM32_PINMUX('H', 14, AF14)>, /* LTDC_G3 */
 112                                  <STM32_PINMUX('H', 15, AF14)>, /* LTDC_G4 */
 113                                  <STM32_PINMUX('I', 0, AF14)>,  /* LTDC_G5 */
 114                                  <STM32_PINMUX('I', 1, AF14)>,  /* LTDC_G6 */
 115                                  <STM32_PINMUX('I', 2, AF14)>,  /* LTDC_G7 */
 116                                  <STM32_PINMUX('I', 4, AF14)>,  /* LTDC_B4 */
 117                                  <STM32_PINMUX('I', 5, AF14)>,  /* LTDC_B5 */
 118                                  <STM32_PINMUX('B', 8, AF14)>,  /* LTDC_B6 */
 119                                  <STM32_PINMUX('I', 7, AF14)>,  /* LTDC_B7 */
 120                                  <STM32_PINMUX('I', 9, AF14)>,  /* LTDC_VSYNC */
 121                                  <STM32_PINMUX('I', 10, AF14)>; /* LTDC_HSYNC */
 122                         bias-disable;
 123                         drive-push-pull;
 124                         slew-rate = <3>;
 125                 };
 126         };
 127 };
 128
 129 &sdmmc1 {
 130         bus-width = <4>;
 131         disable-wp;
 132         pinctrl-names = "default", "opendrain", "sleep";
 133         pinctrl-0 = <&sdmmc1_b4_pins_a>;
 134         pinctrl-1 = <&sdmmc1_b4_od_pins_a>;
 135         pinctrl-2 = <&sdmmc1_b4_sleep_pins_a>;
 136         st,neg-edge;
 137         vmmc-supply = <&vdd>;
 138         status = "okay";
 139 };
 140
 141 &uart4 {
 142         pinctrl-names = "default", "sleep", "idle";
 143         pinctrl-0 = <&uart4_pins_a>;
 144         pinctrl-1 = <&uart4_sleep_pins_a>;
 145         pinctrl-2 = <&uart4_idle_pins_a>;
 146         status = "okay";
 147 };
 148
 149 /* J31: RS323 */
 150 &uart8 {
 151         pinctrl-names = "default";
 152         pinctrl-0 = <&uart8_pins_a>;
 153         status = "okay";
 154 };