arch/arm/boot/dts/stm32mp157c-lxa-mc1.dts

   1 /* SPDX-License-Identifier: (GPL-2.0-or-later OR BSD-3-Clause) */
   2 /*
   3  * Copyright (C) 2020 STMicroelectronics - All Rights Reserved
   4  * Copyright (C) 2020 Ahmad Fatoum, Pengutronix
   5  */
   6
   7 /dts-v1/;
   8
   9 #include "stm32mp157.dtsi"
  10 #include "stm32mp15xx-osd32.dtsi"
  11 #include "stm32mp15xxac-pinctrl.dtsi"
  12
  13 #include <dt-bindings/gpio/gpio.h>
  14 #include <dt-bindings/pwm/pwm.h>
  15
  16 / {
  17         model = "Linux Automation MC-1 board";
  18         compatible = "lxa,stm32mp157c-mc1", "oct,stm32mp15xx-osd32", "st,stm32mp157";
  19
  20         aliases {
  21                 ethernet0 = &ethernet0;
  22                 mmc0 = &sdmmc1;
  23                 mmc1 = &sdmmc2;
  24                 serial0 = &uart4;
  25         };
  26
  27         backlight: backlight {
  28                 compatible = "pwm-backlight";
  29                 pwms = <&backlight_pwm 1 100000 PWM_POLARITY_INVERTED>;
  30                 brightness-levels = <0 31 63 95 127 159 191 223 255>;
  31                 default-brightness-level = <7>;
  32                 power-supply = <&reg_5v2>; /* 3V3_BACKLIGHT */
  33         };
  34
  35         chosen {
  36                 stdout-path = &uart4;
  37         };
  38
  39         led-controller-0 {
  40                 compatible = "gpio-leds";
  41
  42                 led-0 {
  43                         label = "mc1:green:act";
  44                         gpios = <&gpioa 13 GPIO_ACTIVE_LOW>;
  45                         linux,default-trigger = "heartbeat";
  46                 };
  47         };
  48
  49         led-controller-1 {
  50                 compatible = "pwm-leds";
  51
  52                 /* led-1 to led-3 are part of a single RGB led */
  53                 led-1 {
  54                         label = "mc1:red:rgb";
  55                         pwms = <&leds_pwm 1 1000000 0>;
  56                         max-brightness = <255>;
  57                         active-low;
  58                 };
  59
  60                 led-2 {
  61                         label = "mc1:green:rgb";
  62                         pwms = <&leds_pwm 2 1000000 0>;
  63                         max-brightness = <255>;
  64                         active-low;
  65                 };
  66
  67                 led-3 {
  68                         label = "mc1:blue:rgb";
  69                         pwms = <&leds_pwm 3 1000000 0>;
  70                         max-brightness = <255>;
  71                         active-low;
  72                 };
  73         };
  74
  75         panel: panel {
  76                 compatible = "edt,etm0700g0edh6", "simple-panel";
  77                 backlight = <&backlight>;
  78                 enable-gpios = <&gpiod 4 GPIO_ACTIVE_HIGH>;
  79                 power-supply = <&reg_3v3>;
  80
  81                 port {
  82                         panel_input: endpoint {
  83                                 remote-endpoint = <&ltdc_ep0_out>;
  84                         };
  85                 };
  86         };
  87
  88         reg_3v3: regulator_3v3 {
  89                 compatible = "regulator-fixed";
  90                 regulator-name = "3V3";
  91                 regulator-min-microvolt = <3300000>;
  92                 regulator-max-microvolt = <3300000>;
  93                 regulator-always-on;
  94                 vin-supply = <&v3v3>;
  95         };
  96
  97         /* supplied by either debug board or PoE */
  98         reg_5v2: regulator_5v2 {
  99                 compatible = "regulator-fixed";
 100                 regulator-name = "5V2";
 101                 regulator-min-microvolt = <5200000>;
 102                 regulator-max-microvolt = <5200000>;
 103                 regulator-always-on;
 104         };
 105 };
 106
 107 &ethernet0 {
 108         pinctrl-names = "default", "sleep";
 109         pinctrl-0 = <&ethernet0_rgmii_pins_b>;
 110         pinctrl-1 = <&ethernet0_rgmii_sleep_pins_b>;
 111         phy-mode = "rgmii-id";
 112         phy-handle = <&ethphy>;
 113         status = "okay";
 114
 115         mdio0 {
 116                 compatible = "snps,dwmac-mdio";
 117                 #address-cells = <1>;
 118                 #size-cells = <0>;
 119
 120                 ethphy: ethernet-phy@3 { /* KSZ9031RN */
 121                         reg = <3>;
 122                         reset-gpios = <&gpiog 0 GPIO_ACTIVE_LOW>; /* ETH_RST# */
 123                         interrupt-parent = <&gpioa>;
 124                         interrupts = <6 IRQ_TYPE_EDGE_FALLING>; /* ETH_MDINT# */
 125                         reset-assert-us = <10000>;
 126                         reset-deassert-us = <300>;
 127                         micrel,force-master;
 128                 };
 129         };
 130 };
 131
 132 &gpioz {
 133         gpio-line-names = "HWID0", "HWID1", "HWID2", "HWID3", "", "",
 134                           "HWID4", "HWID5";
 135 };
 136
 137 &i2c5 {
 138         pinctrl-names = "default", "sleep";
 139         pinctrl-0 = <&i2c5_pins_b>;
 140         pinctrl-1 = <&i2c5_sleep_pins_b>;
 141         clock-frequency = <400000>;
 142         status = "okay";
 143
 144         touchscreen@38 {
 145                 compatible = "edt,edt-ft5x06";
 146                 interrupt-parent = <&gpiod>;
 147                 interrupts = <11 IRQ_TYPE_EDGE_FALLING>; /* TOUCH_INT# */
 148                 vcc-supply = <&reg_3v3>;
 149                 reg = <0x38>;
 150                 reset-gpios = <&gpiof 8 GPIO_ACTIVE_LOW>; /* TOUCH_RESET# */
 151                 touchscreen-size-x = <1792>;
 152                 touchscreen-size-y = <1024>;
 153                 wakeup-source;
 154         };
 155 };
 156
 157 &ltdc {
 158         pinctrl-names = "default", "sleep";
 159         pinctrl-0 = <&ltdc_pins_c>;
 160         pinctrl-1 = <&ltdc_sleep_pins_c>;
 161         status = "okay";
 162
 163         port {
 164                 ltdc_ep0_out: endpoint@0 {
 165                         reg = <0>;
 166                         remote-endpoint = <&panel_input>;
 167                 };
 168         };
 169 };
 170
 171 &pmic {
 172         regulators {
 173                 buck4-supply = <&reg_5v2>;      /* VIN */
 174                 ldo2-supply = <&reg_5v2>;       /* PMIC_LDO25IN */
 175                 ldo5-supply = <&reg_5v2>;       /* PMIC_LDO25IN */
 176                 boost-supply = <&reg_5v2>;      /* PMIC_BSTIN */
 177                 pwr_sw2-supply = <&bst_out>;    /* PMIC_SWIN */
 178         };
 179 };
 180
 181 &sdmmc1 {
 182         pinctrl-names = "default", "opendrain", "sleep";
 183         pinctrl-0 = <&sdmmc1_b4_pins_a>;
 184         pinctrl-1 = <&sdmmc1_b4_od_pins_a>;
 185         pinctrl-2 = <&sdmmc1_b4_sleep_pins_a>;
 186         bus-width = <4>;
 187         cd-gpios = <&gpioh 3 GPIO_ACTIVE_LOW>;
 188         disable-wp;
 189         no-1-8-v;
 190         st,neg-edge;
 191         vmmc-supply = <&reg_3v3>;
 192         status = "okay";
 193 };
 194
 195 &sdmmc1_b4_pins_a {
 196         /*
 197          * board lacks external pull-ups on SDMMC lines. Class 10 SD refuses to
 198          * work, thus enable internal pull-ups.
 199          */
 200         pins1 {
 201                 /delete-property/ bias-disable;
 202                 bias-pull-up;
 203         };
 204         pins2 {
 205                 /delete-property/ bias-disable;
 206                 bias-pull-up;
 207         };
 208 };
 209
 210 &sdmmc2 {
 211         pinctrl-names = "default", "opendrain", "sleep";
 212         pinctrl-0 = <&sdmmc2_b4_pins_a &sdmmc2_d47_pins_b>;
 213         pinctrl-1 = <&sdmmc2_b4_od_pins_a &sdmmc2_d47_pins_b>;
 214         pinctrl-2 = <&sdmmc2_b4_sleep_pins_a &sdmmc2_d47_sleep_pins_b>;
 215         bus-width = <8>;
 216         mmc-ddr-3_3v;
 217         no-1-8-v;
 218         no-sd;
 219         no-sdio;
 220         non-removable;
 221         st,neg-edge;
 222         vmmc-supply = <&reg_3v3>;
 223         status = "okay";
 224 };
 225
 226 &timers3 {
 227         status = "okay";
 228
 229         backlight_pwm: pwm {
 230                 pinctrl-names = "default", "sleep";
 231                 pinctrl-0 = <&pwm3_pins_b>;
 232                 pinctrl-1 = <&pwm3_sleep_pins_b>;
 233                 status = "okay";
 234         };
 235 };
 236
 237 &timers5 {
 238         status = "okay";
 239
 240         leds_pwm: pwm {
 241                 pinctrl-names = "default", "sleep";
 242                 pinctrl-0 = <&pwm5_pins_b>;
 243                 pinctrl-1 = <&pwm5_sleep_pins_b>;
 244                 status = "okay";
 245         };
 246 };
 247
 248 &uart4 {
 249         pinctrl-names = "default";
 250         pinctrl-0 = <&uart4_pins_a>;
 251         status = "okay";
 252 };