xref: /linux/arch/arm/boot/dts/st/stm32mp157c-lxa-mc1.dts (revision 34dc1baba215b826e454b8d19e4f24adbeb7d00d) 
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 = &ethernet0;
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 = <&reg_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 = <&reg_3v3>;
80
81		port {
82			panel_input: endpoint {
83				remote-endpoint = <&ltdc_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&ethernet0 {
108	pinctrl-names = "default", "sleep";
109	pinctrl-0 = <&ethernet0_rgmii_pins_b>;
110	pinctrl-1 = <&ethernet0_rgmii_sleep_pins_b>;
111	phy-mode = "rgmii-id";
112	phy-handle = <&ethphy>;
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 = <&reg_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&ltdc {
158	pinctrl-names = "default", "sleep";
159	pinctrl-0 = <&ltdc_pins_c>;
160	pinctrl-1 = <&ltdc_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 = <&reg_5v2>;	/* VIN */
173		ldo2-supply = <&reg_5v2>;	/* PMIC_LDO25IN */
174		ldo5-supply = <&reg_5v2>;	/* PMIC_LDO25IN */
175		boost-supply = <&reg_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 = <&reg_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 = <&reg_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};
254