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 Solutions(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	/delete-property/dmas;
147	/delete-property/dma-names;
148	status = "okay";
149};
150
151/* J31: RS323 */
152&uart8 {
153	pinctrl-names = "default";
154	pinctrl-0 = <&uart8_pins_a>;
155	/delete-property/dmas;
156	/delete-property/dma-names;
157	status = "okay";
158};