1 // SPDX-License-Identifier: (GPL-2.0+ OR BSD-3
2 /*
3 * Copyright (c) STMicroelectronics 2019 - All
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 Mic
17 compatible = "engicam,microgea-stm32mp
18 "engicam,microgea-stm32mp
19
20 aliases {
21 serial0 = &uart4;
22 serial1 = &uart8;
23 };
24
25 chosen {
26 stdout-path = "serial0:115200n
27 };
28
29 backlight: backlight {
30 compatible = "gpio-backlight";
31 gpios = <&gpiod 13 GPIO_ACTIVE
32 default-on;
33 };
34
35 lcd_3v3: regulator-lcd-3v3 {
36 compatible = "regulator-fixed"
37 regulator-name = "lcd_3v3";
38 regulator-min-microvolt = <330
39 regulator-max-microvolt = <330
40 gpio = <&gpiof 10 GPIO_ACTIVE_
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 = <330
50 regulator-max-microvolt = <330
51 gpio = <&gpiob 10 GPIO_ACTIVE_
52 regulator-always-on;
53 };
54
55 panel {
56 compatible = "auo,b101aw03";
57 backlight = <&backlight>;
58 enable-gpios = <&gpiof 2 GPIO_
59 power-supply = <&lcd_3v3>;
60
61 port {
62 panel_in: endpoint {
63 remote-endpoin
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 <dc {
79 pinctrl-names = "default";
80 pinctrl-0 = <<dc_pins>;
81 status = "okay";
82
83 port {
84 ltdc_ep0_out: endpoint {
85 remote-endpoint = <&pa
86 };
87 };
88 };
89
90 &pinctrl {
91 ltdc_pins: ltdc-0 {
92 pins {
93 pinmux = <STM32_PINMUX
94 <STM32_PINMUX
95 <STM32_PINMUX
96 <STM32_PINMUX
97 <STM32_PINMUX
98 <STM32_PINMUX
99 <STM32_PINMUX
100 <STM32_PINMUX
101 <STM32_PINMUX
102 <STM32_PINMUX
103 <STM32_PINMUX
104 <STM32_PINMUX
105 <STM32_PINMUX
106 <STM32_PINMUX
107 <STM32_PINMUX
108 <STM32_PINMUX
109 <STM32_PINMUX
110 <STM32_PINMUX
111 <STM32_PINMUX
112 <STM32_PINMUX
113 <STM32_PINMUX
114 <STM32_PINMUX
115 <STM32_PINMUX
116 <STM32_PINMUX
117 <STM32_PINMUX
118 <STM32_PINMUX
119 <STM32_PINMUX
120 <STM32_PINMUX
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"
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", "i
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 };
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