src/arm/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", "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-act {
  40                 compatible = "gpio-leds";
  41
  42                 led-green {
  43                         label = "mc1:green:act";
  44                         gpios = <&gpioa 13 GPIO_ACTIVE_LOW>;
  45                         linux,default-trigger = "heartbeat";
  46                 };
  47         };
  48
  49         led-rgb {
  50                 compatible = "pwm-leds";
  51
  52                 led-red {
  53                         label = "mc1:red:rgb";
  54                         pwms = <&leds_pwm 1 1000000 0>;
  55                         max-brightness = <255>;
  56                         active-low;
  57                 };
  58
  59                 led-green {
  60                         label = "mc1:green:rgb";
  61                         pwms = <&leds_pwm 2 1000000 0>;
  62                         max-brightness = <255>;
  63                         active-low;
  64                 };
  65
  66                 led-blue {
  67                         label = "mc1:blue:rgb";
  68                         pwms = <&leds_pwm 3 1000000 0>;
  69                         max-brightness = <255>;
  70                         active-low;
  71                 };
  72         };
  73
  74         panel: panel {
  75                 compatible = "edt,etm0700g0edh6", "simple-panel";
  76                 backlight = <&backlight>;
  77                 enable-gpios = <&gpiod 4 GPIO_ACTIVE_HIGH>;
  78                 power-supply = <&reg_3v3>;
  79
  80                 port {
  81                         panel_input: endpoint {
  82                                 remote-endpoint = <&ltdc_ep0_out>;
  83                         };
  84                 };
  85         };
  86
  87         reg_3v3: regulator_3v3 {
  88                 compatible = "regulator-fixed";
  89                 regulator-name = "3V3";
  90                 regulator-min-microvolt = <3300000>;
  91                 regulator-max-microvolt = <3300000>;
  92                 regulator-always-on;
  93                 vin-supply = <&v3v3>;
  94         };
  95
  96         /* supplied by either debug board or PoE */
  97         reg_5v2: regulator_5v2 {
  98                 compatible = "regulator-fixed";
  99                 regulator-name = "5V2";
 100                 regulator-min-microvolt = <5200000>;
 101                 regulator-max-microvolt = <5200000>;
 102                 regulator-always-on;
 103         };
 104 };
 105
 106 &ethernet0 {
 107         pinctrl-names = "default", "sleep";
 108         pinctrl-0 = <&ethernet0_rgmii_pins_b>;
 109         pinctrl-1 = <&ethernet0_rgmii_sleep_pins_b>;
 110         phy-mode = "rgmii-id";
 111         phy-handle = <&ethphy>;
 112         status = "okay";
 113
 114         mdio0 {
 115                 compatible = "snps,dwmac-mdio";
 116                 #address-cells = <1>;
 117                 #size-cells = <0>;
 118
 119                 ethphy: ethernet-phy@3 { /* KSZ9031RN */
 120                         reg = <3>;
 121                         reset-gpios = <&gpiog 0 GPIO_ACTIVE_LOW>; /* ETH_RST# */
 122                         interrupt-parent = <&gpioa>;
 123                         interrupts = <6 IRQ_TYPE_EDGE_FALLING>; /* ETH_MDINT# */
 124                         rxc-skew-ps = <1860>;
 125                         txc-skew-ps = <1860>;
 126                         reset-assert-us = <10000>;
 127                         reset-deassert-us = <300>;
 128                         micrel,force-master;
 129                 };
 130         };
 131 };
 132
 133 &gpioz {
 134         gpio-line-names = "HWID0", "HWID1", "HWID2", "HWID3", "", "",
 135                           "HWID4", "HWID5";
 136 };
 137
 138 &i2c5 {
 139         pinctrl-names = "default", "sleep";
 140         pinctrl-0 = <&i2c5_pins_b>;
 141         pinctrl-1 = <&i2c5_sleep_pins_b>;
 142         clock-frequency = <400000>;
 143         status = "okay";
 144
 145         touchscreen@38 {
 146                 compatible = "edt,edt-ft5x06";
 147                 interrupt-parent = <&gpiod>;
 148                 interrupts = <11 IRQ_TYPE_EDGE_FALLING>; /* TOUCH_INT# */
 149                 vcc-supply = <&reg_3v3>;
 150                 reg = <0x38>;
 151                 reset-gpios = <&gpiof 8 GPIO_ACTIVE_LOW>; /* TOUCH_RESET# */
 152                 touchscreen-size-x = <1792>;
 153                 touchscreen-size-y = <1024>;
 154                 wakeup-source;
 155         };
 156 };
 157
 158 &ltdc {
 159         pinctrl-names = "default", "sleep";
 160         pinctrl-0 = <&ltdc_pins_c>;
 161         pinctrl-1 = <&ltdc_sleep_pins_c>;
 162         status = "okay";
 163
 164         port {
 165                 ltdc_ep0_out: endpoint@0 {
 166                         reg = <0>;
 167                         remote-endpoint = <&panel_input>;
 168                 };
 169         };
 170 };
 171
 172 &pmic {
 173         regulators {
 174                 buck4-supply = <&reg_5v2>;      /* VIN */
 175                 ldo2-supply = <&reg_5v2>;       /* PMIC_LDO25IN */
 176                 ldo5-supply = <&reg_5v2>;       /* PMIC_LDO25IN */
 177                 boost-supply = <&reg_5v2>;      /* PMIC_BSTIN */
 178                 pwr_sw2-supply = <&bst_out>;    /* PMIC_SWIN */
 179         };
 180 };
 181
 182 &sdmmc1 {
 183         pinctrl-names = "default", "opendrain", "sleep";
 184         pinctrl-0 = <&sdmmc1_b4_pins_a>;
 185         pinctrl-1 = <&sdmmc1_b4_od_pins_a>;
 186         pinctrl-2 = <&sdmmc1_b4_sleep_pins_a>;
 187         bus-width = <4>;
 188         cd-gpios = <&gpioh 3 GPIO_ACTIVE_LOW>;
 189         disable-wp;
 190         no-1-8-v;
 191         st,neg-edge;
 192         vmmc-supply = <&reg_3v3>;
 193         status = "okay";
 194 };
 195
 196 &sdmmc1_b4_pins_a {
 197         /*
 198          * board lacks external pull-ups on SDMMC lines. Class 10 SD refuses to
 199          * work, thus enable internal pull-ups.
 200          */
 201         pins1 {
 202                 /delete-property/ bias-disable;
 203                 bias-pull-up;
 204         };
 205         pins2 {
 206                 /delete-property/ bias-disable;
 207                 bias-pull-up;
 208         };
 209 };
 210
 211 &sdmmc2 {
 212         pinctrl-names = "default", "opendrain", "sleep";
 213         pinctrl-0 = <&sdmmc2_b4_pins_a &sdmmc2_d47_pins_b>;
 214         pinctrl-1 = <&sdmmc2_b4_od_pins_a &sdmmc2_d47_pins_b>;
 215         pinctrl-2 = <&sdmmc2_b4_sleep_pins_a &sdmmc2_d47_sleep_pins_b>;
 216         bus-width = <8>;
 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 };