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", "oct,stm32mp15xx-osd32", "st,stm32mp157";
19
20 aliases {
21 ethernet0 = ðernet0;
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 = <®_5v2>; /* 3V3_BACKLIGHT */
33 };
34
35 chosen {
36 stdout-path = &uart4;
37 };
38
39 led-controller-0 {
40 compatible = "gpio-leds";
41
42 led-0 {
43 label = "mc1:green:act";
44 gpios = <&gpioa 13 GPIO_ACTIVE_LOW>;
45 linux,default-trigger = "heartbeat";
46 };
47 };
48
49 led-controller-1 {
50 compatible = "pwm-leds";
51
52 /* led-1 to led-3 are part of a single RGB led */
53 led-1 {
54 label = "mc1:red:rgb";
55 pwms = <&leds_pwm 1 1000000 0>;
56 max-brightness = <255>;
57 active-low;
58 };
59
60 led-2 {
61 label = "mc1:green:rgb";
62 pwms = <&leds_pwm 2 1000000 0>;
63 max-brightness = <255>;
64 active-low;
65 };
66
67 led-3 {
68 label = "mc1:blue:rgb";
69 pwms = <&leds_pwm 3 1000000 0>;
70 max-brightness = <255>;
71 active-low;
72 };
73 };
74
75 panel: panel {
76 compatible = "edt,etm0700g0edh6";
77 backlight = <&backlight>;
78 enable-gpios = <&gpiod 4 GPIO_ACTIVE_HIGH>;
79 power-supply = <®_3v3>;
80
81 port {
82 panel_input: endpoint {
83 remote-endpoint = <<dc_ep0_out>;
84 };
85 };
86 };
87
88 reg_3v3: regulator_3v3 {
89 compatible = "regulator-fixed";
90 regulator-name = "3V3";
91 regulator-min-microvolt = <3300000>;
92 regulator-max-microvolt = <3300000>;
93 regulator-always-on;
94 vin-supply = <&v3v3>;
95 };
96
97 /* supplied by either debug board or PoE */
98 reg_5v2: regulator_5v2 {
99 compatible = "regulator-fixed";
100 regulator-name = "5V2";
101 regulator-min-microvolt = <5200000>;
102 regulator-max-microvolt = <5200000>;
103 regulator-always-on;
104 };
105 };
106
107 ðernet0 {
108 pinctrl-names = "default", "sleep";
109 pinctrl-0 = <ðernet0_rgmii_pins_b>;
110 pinctrl-1 = <ðernet0_rgmii_sleep_pins_b>;
111 phy-mode = "rgmii-id";
112 phy-handle = <ðphy>;
113 status = "okay";
114
115 mdio {
116 compatible = "snps,dwmac-mdio";
117 #address-cells = <1>;
118 #size-cells = <0>;
119
120 ethphy: ethernet-phy@3 { /* KSZ9031RN */
121 reg = <3>;
122 reset-gpios = <&gpiog 0 GPIO_ACTIVE_LOW>; /* ETH_RST# */
123 interrupt-parent = <&gpioa>;
124 interrupts = <6 IRQ_TYPE_EDGE_FALLING>; /* ETH_MDINT# */
125 reset-assert-us = <10000>;
126 reset-deassert-us = <300>;
127 micrel,force-master;
128 };
129 };
130 };
131
132 &gpioz {
133 gpio-line-names = "HWID0", "HWID1", "HWID2", "HWID3", "", "",
134 "HWID4", "HWID5";
135 };
136
137 &i2c5 {
138 pinctrl-names = "default", "sleep";
139 pinctrl-0 = <&i2c5_pins_b>;
140 pinctrl-1 = <&i2c5_sleep_pins_b>;
141 clock-frequency = <400000>;
142 status = "okay";
143
144 touchscreen@38 {
145 compatible = "edt,edt-ft5x06";
146 interrupt-parent = <&gpiod>;
147 interrupts = <11 IRQ_TYPE_EDGE_FALLING>; /* TOUCH_INT# */
148 vcc-supply = <®_3v3>;
149 reg = <0x38>;
150 reset-gpios = <&gpiof 8 GPIO_ACTIVE_LOW>; /* TOUCH_RESET# */
151 touchscreen-size-x = <1792>;
152 touchscreen-size-y = <1024>;
153 wakeup-source;
154 };
155 };
156
157 <dc {
158 pinctrl-names = "default", "sleep";
159 pinctrl-0 = <<dc_pins_c>;
160 pinctrl-1 = <<dc_sleep_pins_c>;
161 status = "okay";
162
163 port {
164 ltdc_ep0_out: endpoint {
165 remote-endpoint = <&panel_input>;
166 };
167 };
168 };
169
170 &pmic {
171 regulators {
172 buck4-supply = <®_5v2>; /* VIN */
173 ldo2-supply = <®_5v2>; /* PMIC_LDO25IN */
174 ldo5-supply = <®_5v2>; /* PMIC_LDO25IN */
175 boost-supply = <®_5v2>; /* PMIC_BSTIN */
176 pwr_sw2-supply = <&bst_out>; /* PMIC_SWIN */
177 };
178 };
179
180 &sdmmc1 {
181 pinctrl-names = "default", "opendrain", "sleep";
182 pinctrl-0 = <&sdmmc1_b4_pins_a>;
183 pinctrl-1 = <&sdmmc1_b4_od_pins_a>;
184 pinctrl-2 = <&sdmmc1_b4_sleep_pins_a>;
185 bus-width = <4>;
186 cd-gpios = <&gpioh 3 GPIO_ACTIVE_LOW>;
187 disable-wp;
188 no-1-8-v;
189 st,neg-edge;
190 vmmc-supply = <®_3v3>;
191 status = "okay";
192 };
193
194 &sdmmc1_b4_pins_a {
195 /*
196 * board lacks external pull-ups on SDMMC lines. Class 10 SD refuses to
197 * work, thus enable internal pull-ups.
198 */
199 pins1 {
200 /delete-property/ bias-disable;
201 bias-pull-up;
202 };
203 pins2 {
204 /delete-property/ bias-disable;
205 bias-pull-up;
206 };
207 };
208
209 &sdmmc2 {
210 pinctrl-names = "default", "opendrain", "sleep";
211 pinctrl-0 = <&sdmmc2_b4_pins_a &sdmmc2_d47_pins_b>;
212 pinctrl-1 = <&sdmmc2_b4_od_pins_a &sdmmc2_d47_pins_b>;
213 pinctrl-2 = <&sdmmc2_b4_sleep_pins_a &sdmmc2_d47_sleep_pins_b>;
214 bus-width = <8>;
215 mmc-ddr-3_3v;
216 no-1-8-v;
217 no-sd;
218 no-sdio;
219 non-removable;
220 st,neg-edge;
221 vmmc-supply = <®_3v3>;
222 status = "okay";
223 };
224
225 &timers3 {
226 status = "okay";
227
228 backlight_pwm: pwm {
229 pinctrl-names = "default", "sleep";
230 pinctrl-0 = <&pwm3_pins_b>;
231 pinctrl-1 = <&pwm3_sleep_pins_b>;
232 status = "okay";
233 };
234 };
235
236 &timers5 {
237 status = "okay";
238
239 leds_pwm: pwm {
240 pinctrl-names = "default", "sleep";
241 pinctrl-0 = <&pwm5_pins_b>;
242 pinctrl-1 = <&pwm5_sleep_pins_b>;
243 status = "okay";
244 };
245 };
246
247 &uart4 {
248 pinctrl-names = "default";
249 pinctrl-0 = <&uart4_pins_a>;
250 /delete-property/dmas;
251 /delete-property/dma-names;
252 status = "okay";
253 };
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