boot/dts/stm32mp157c-lxa-mc1.dts

0001 /* SPDX-License-Identifier: (GPL-2.0-or-later OR BSD-3-Clause) */
0002 /*
0003  * Copyright (C) 2020 STMicroelectronics - All Rights Reserved
0004  * Copyright (C) 2020 Ahmad Fatoum, Pengutronix
0005  */
0006
0007 /dts-v1/;
0008
0009 #include "stm32mp157.dtsi"
0010 #include "stm32mp15xx-osd32.dtsi"
0011 #include "stm32mp15xxac-pinctrl.dtsi"
0012
0013 #include <dt-bindings/gpio/gpio.h>
0014 #include <dt-bindings/pwm/pwm.h>
0015
0016 / {
0017         model = "Linux Automation MC-1 board";
0018         compatible = "lxa,stm32mp157c-mc1", "oct,stm32mp15xx-osd32", "st,stm32mp157";
0019
0020         aliases {
0021                 ethernet0 = &ethernet0;
0022                 mmc0 = &sdmmc1;
0023                 mmc1 = &sdmmc2;
0024                 serial0 = &uart4;
0025         };
0026
0027         backlight: backlight {
0028                 compatible = "pwm-backlight";
0029                 pwms = <&backlight_pwm 1 100000 PWM_POLARITY_INVERTED>;
0030                 brightness-levels = <0 31 63 95 127 159 191 223 255>;
0031                 default-brightness-level = <7>;
0032                 power-supply = <&reg_5v2>; /* 3V3_BACKLIGHT */
0033         };
0034
0035         chosen {
0036                 stdout-path = &uart4;
0037         };
0038
0039         led-controller-0 {
0040                 compatible = "gpio-leds";
0041
0042                 led-0 {
0043                         label = "mc1:green:act";
0044                         gpios = <&gpioa 13 GPIO_ACTIVE_LOW>;
0045                         linux,default-trigger = "heartbeat";
0046                 };
0047         };
0048
0049         led-controller-1 {
0050                 compatible = "pwm-leds";
0051
0052                 /* led-1 to led-3 are part of a single RGB led */
0053                 led-1 {
0054                         label = "mc1:red:rgb";
0055                         pwms = <&leds_pwm 1 1000000 0>;
0056                         max-brightness = <255>;
0057                         active-low;
0058                 };
0059
0060                 led-2 {
0061                         label = "mc1:green:rgb";
0062                         pwms = <&leds_pwm 2 1000000 0>;
0063                         max-brightness = <255>;
0064                         active-low;
0065                 };
0066
0067                 led-3 {
0068                         label = "mc1:blue:rgb";
0069                         pwms = <&leds_pwm 3 1000000 0>;
0070                         max-brightness = <255>;
0071                         active-low;
0072                 };
0073         };
0074
0075         panel: panel {
0076                 compatible = "edt,etm0700g0edh6", "simple-panel";
0077                 backlight = <&backlight>;
0078                 enable-gpios = <&gpiod 4 GPIO_ACTIVE_HIGH>;
0079                 power-supply = <&reg_3v3>;
0080
0081                 port {
0082                         panel_input: endpoint {
0083                                 remote-endpoint = <&ltdc_ep0_out>;
0084                         };
0085                 };
0086         };
0087
0088         reg_3v3: regulator_3v3 {
0089                 compatible = "regulator-fixed";
0090                 regulator-name = "3V3";
0091                 regulator-min-microvolt = <3300000>;
0092                 regulator-max-microvolt = <3300000>;
0093                 regulator-always-on;
0094                 vin-supply = <&v3v3>;
0095         };
0096
0097         /* supplied by either debug board or PoE */
0098         reg_5v2: regulator_5v2 {
0099                 compatible = "regulator-fixed";
0100                 regulator-name = "5V2";
0101                 regulator-min-microvolt = <5200000>;
0102                 regulator-max-microvolt = <5200000>;
0103                 regulator-always-on;
0104         };
0105 };
0106
0107 &ethernet0 {
0108         pinctrl-names = "default", "sleep";
0109         pinctrl-0 = <&ethernet0_rgmii_pins_b>;
0110         pinctrl-1 = <&ethernet0_rgmii_sleep_pins_b>;
0111         phy-mode = "rgmii-id";
0112         phy-handle = <&ethphy>;
0113         status = "okay";
0114
0115         mdio0 {
0116                 compatible = "snps,dwmac-mdio";
0117                 #address-cells = <1>;
0118                 #size-cells = <0>;
0119
0120                 ethphy: ethernet-phy@3 { /* KSZ9031RN */
0121                         reg = <3>;
0122                         reset-gpios = <&gpiog 0 GPIO_ACTIVE_LOW>; /* ETH_RST# */
0123                         interrupt-parent = <&gpioa>;
0124                         interrupts = <6 IRQ_TYPE_EDGE_FALLING>; /* ETH_MDINT# */
0125                         reset-assert-us = <10000>;
0126                         reset-deassert-us = <300>;
0127                         micrel,force-master;
0128                 };
0129         };
0130 };
0131
0132 &gpioz {
0133         gpio-line-names = "HWID0", "HWID1", "HWID2", "HWID3", "", "",
0134                           "HWID4", "HWID5";
0135 };
0136
0137 &i2c5 {
0138         pinctrl-names = "default", "sleep";
0139         pinctrl-0 = <&i2c5_pins_b>;
0140         pinctrl-1 = <&i2c5_sleep_pins_b>;
0141         clock-frequency = <400000>;
0142         status = "okay";
0143
0144         touchscreen@38 {
0145                 compatible = "edt,edt-ft5x06";
0146                 interrupt-parent = <&gpiod>;
0147                 interrupts = <11 IRQ_TYPE_EDGE_FALLING>; /* TOUCH_INT# */
0148                 vcc-supply = <&reg_3v3>;
0149                 reg = <0x38>;
0150                 reset-gpios = <&gpiof 8 GPIO_ACTIVE_LOW>; /* TOUCH_RESET# */
0151                 touchscreen-size-x = <1792>;
0152                 touchscreen-size-y = <1024>;
0153                 wakeup-source;
0154         };
0155 };
0156
0157 &ltdc {
0158         pinctrl-names = "default", "sleep";
0159         pinctrl-0 = <&ltdc_pins_c>;
0160         pinctrl-1 = <&ltdc_sleep_pins_c>;
0161         status = "okay";
0162
0163         port {
0164                 ltdc_ep0_out: endpoint@0 {
0165                         reg = <0>;
0166                         remote-endpoint = <&panel_input>;
0167                 };
0168         };
0169 };
0170
0171 &pmic {
0172         regulators {
0173                 buck4-supply = <&reg_5v2>;      /* VIN */
0174                 ldo2-supply = <&reg_5v2>;       /* PMIC_LDO25IN */
0175                 ldo5-supply = <&reg_5v2>;       /* PMIC_LDO25IN */
0176                 boost-supply = <&reg_5v2>;      /* PMIC_BSTIN */
0177                 pwr_sw2-supply = <&bst_out>;    /* PMIC_SWIN */
0178         };
0179 };
0180
0181 &sdmmc1 {
0182         pinctrl-names = "default", "opendrain", "sleep";
0183         pinctrl-0 = <&sdmmc1_b4_pins_a>;
0184         pinctrl-1 = <&sdmmc1_b4_od_pins_a>;
0185         pinctrl-2 = <&sdmmc1_b4_sleep_pins_a>;
0186         bus-width = <4>;
0187         cd-gpios = <&gpioh 3 GPIO_ACTIVE_LOW>;
0188         disable-wp;
0189         no-1-8-v;
0190         st,neg-edge;
0191         vmmc-supply = <&reg_3v3>;
0192         status = "okay";
0193 };
0194
0195 &sdmmc1_b4_pins_a {
0196         /*
0197          * board lacks external pull-ups on SDMMC lines. Class 10 SD refuses to
0198          * work, thus enable internal pull-ups.
0199          */
0200         pins1 {
0201                 /delete-property/ bias-disable;
0202                 bias-pull-up;
0203         };
0204         pins2 {
0205                 /delete-property/ bias-disable;
0206                 bias-pull-up;
0207         };
0208 };
0209
0210 &sdmmc2 {
0211         pinctrl-names = "default", "opendrain", "sleep";
0212         pinctrl-0 = <&sdmmc2_b4_pins_a &sdmmc2_d47_pins_b>;
0213         pinctrl-1 = <&sdmmc2_b4_od_pins_a &sdmmc2_d47_pins_b>;
0214         pinctrl-2 = <&sdmmc2_b4_sleep_pins_a &sdmmc2_d47_sleep_pins_b>;
0215         bus-width = <8>;
0216         mmc-ddr-3_3v;
0217         no-1-8-v;
0218         no-sd;
0219         no-sdio;
0220         non-removable;
0221         st,neg-edge;
0222         vmmc-supply = <&reg_3v3>;
0223         status = "okay";
0224 };
0225
0226 &timers3 {
0227         status = "okay";
0228
0229         backlight_pwm: pwm {
0230                 pinctrl-names = "default", "sleep";
0231                 pinctrl-0 = <&pwm3_pins_b>;
0232                 pinctrl-1 = <&pwm3_sleep_pins_b>;
0233                 status = "okay";
0234         };
0235 };
0236
0237 &timers5 {
0238         status = "okay";
0239
0240         leds_pwm: pwm {
0241                 pinctrl-names = "default", "sleep";
0242                 pinctrl-0 = <&pwm5_pins_b>;
0243                 pinctrl-1 = <&pwm5_sleep_pins_b>;
0244                 status = "okay";
0245         };
0246 };
0247
0248 &uart4 {
0249         pinctrl-names = "default";
0250         pinctrl-0 = <&uart4_pins_a>;
0251         /delete-property/dmas;
0252         /delete-property/dma-names;
0253         status = "okay";
0254 };