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 {
85			remote-endpoint = <&panel_in>;
86		};
87	};
88};
89
90&pinctrl {
91	ltdc_pins: ltdc-0 {
92		pins {
93			pinmux = <STM32_PINMUX('G', 10, AF14)>,	/* LTDC_B2 */
94				 <STM32_PINMUX('H', 12, AF14)>,	/* LTDC_R6 */
95				 <STM32_PINMUX('H', 11, AF14)>,	/* LTDC_R5 */
96				 <STM32_PINMUX('D', 10, AF14)>,	/* LTDC_B3 */
97				 <STM32_PINMUX('D', 9, AF14)>,	/* LTDC_B0 */
98				 <STM32_PINMUX('E', 5, AF14)>,	/* LTDC_G0 */
99				 <STM32_PINMUX('E', 6, AF14)>,	/* LTDC_G1 */
100				 <STM32_PINMUX('E', 13, AF14)>,	/* LTDC_DE */
101				 <STM32_PINMUX('E', 15, AF14)>,	/* LTDC_R7 */
102				 <STM32_PINMUX('G', 7, AF14)>,	/* LTDC_CLK */
103				 <STM32_PINMUX('G', 12, AF14)>,	/* LTDC_B1 */
104				 <STM32_PINMUX('H', 2, AF14)>,	/* LTDC_R0 */
105				 <STM32_PINMUX('H', 3, AF14)>,	/* LTDC_R1 */
106				 <STM32_PINMUX('H', 8, AF14)>,	/* LTDC_R2 */
107				 <STM32_PINMUX('H', 9, AF14)>,	/* LTDC_R3 */
108				 <STM32_PINMUX('H', 10, AF14)>,	/* LTDC_R4 */
109				 <STM32_PINMUX('H', 13, AF14)>,	/* LTDC_G2 */
110				 <STM32_PINMUX('H', 14, AF14)>,	/* LTDC_G3 */
111				 <STM32_PINMUX('H', 15, AF14)>,	/* LTDC_G4 */
112				 <STM32_PINMUX('I', 0, AF14)>,	/* LTDC_G5 */
113				 <STM32_PINMUX('I', 1, AF14)>,	/* LTDC_G6 */
114				 <STM32_PINMUX('I', 2, AF14)>,	/* LTDC_G7 */
115				 <STM32_PINMUX('I', 4, AF14)>,	/* LTDC_B4 */
116				 <STM32_PINMUX('I', 5, AF14)>,	/* LTDC_B5 */
117				 <STM32_PINMUX('B', 8, AF14)>,	/* LTDC_B6 */
118				 <STM32_PINMUX('I', 7, AF14)>,	/* LTDC_B7 */
119				 <STM32_PINMUX('I', 9, AF14)>,	/* LTDC_VSYNC */
120				 <STM32_PINMUX('I', 10, AF14)>;	/* LTDC_HSYNC */
121			bias-disable;
122			drive-push-pull;
123			slew-rate = <3>;
124		};
125	};
126};
127
128&sdmmc1 {
129	bus-width = <4>;
130	disable-wp;
131	pinctrl-names = "default", "opendrain", "sleep";
132	pinctrl-0 = <&sdmmc1_b4_pins_a>;
133	pinctrl-1 = <&sdmmc1_b4_od_pins_a>;
134	pinctrl-2 = <&sdmmc1_b4_sleep_pins_a>;
135	st,neg-edge;
136	vmmc-supply = <&vdd>;
137	status = "okay";
138};
139
140&uart4 {
141	pinctrl-names = "default", "sleep", "idle";
142	pinctrl-0 = <&uart4_pins_a>;
143	pinctrl-1 = <&uart4_sleep_pins_a>;
144	pinctrl-2 = <&uart4_idle_pins_a>;
145	/delete-property/dmas;
146	/delete-property/dma-names;
147	status = "okay";
148};
149
150/* J31: RS323 */
151&uart8 {
152	pinctrl-names = "default";
153	pinctrl-0 = <&uart8_pins_a>;
154	/delete-property/dmas;
155	/delete-property/dma-names;
156	status = "okay";
157};
158