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) 2021 Rouven Czerwinski, Pengutronix
5 * Copyright (C) 2023 Leonard Göhrs, Pengutronix
6 */
7
8 /dts-v1/;
9
10 #include "stm32mp157.dtsi"
11 #include "stm32mp15xc-lxa-tac.dtsi"
12
13 / {
14 model = "Linux Automation Test Automation Controller (TAC) Gen 1";
15 compatible = "lxa,stm32mp157c-tac-gen1", "oct,stm32mp15xx-osd32", "st,stm32mp157";
16
17 backlight: backlight {
18 compatible = "pwm-backlight";
19 power-supply = <&v3v3>;
20
21 brightness-levels = <0 31 63 95 127 159 191 223 255>;
22 default-brightness-level = <7>;
23 pwms = <&backlight_pwm 1 1000000 0>;
24 };
25
26 reg_iobus_12v: regulator-iobus-12v {
27 compatible = "regulator-fixed";
28 vin-supply = <®_12v>;
29
30 gpio = <&gpioh 13 GPIO_ACTIVE_HIGH>;
31 enable-active-high;
32 regulator-max-microvolt = <12000000>;
33 regulator-min-microvolt = <12000000>;
34 regulator-name = "12V_IOBUS";
35 };
36 };
37
38 &gpioa {
39 gpio-line-names = "", "", "STACK_CS2", "", "STACK_CS3", /* 0 */
40 "ETH_GPIO1", "ETH_INT", "", "", "", /* 5 */
41 "", "", "", "BOOTROM_LED", "ETH_LAB_LEDRP", /* 10 */
42 ""; /* 15 */
43 };
44
45 &gpioc {
46 gpio-line-names = "", "STACK_CS1", "", "", "", /* 0 */
47 "", "", "", "", "", /* 5 */
48 "", ""; /* 10 */
49 };
50
51 &gpu {
52 status = "disabled";
53 };
54
55 &i2c1 {
56 powerboard_gpio: gpio@24 {
57 compatible = "nxp,pca9570";
58 reg = <0x24>;
59
60 #gpio-cells = <2>;
61 gpio-controller;
62 gpio-line-names = "DUT_PWR_EN", "DUT_PWR_DISCH", "DUT_PWR_ADCRST", "";
63 };
64 };
65
66 &spi2 {
67 adc@0 {
68 compatible = "ti,lmp92064";
69 reg = <0>;
70 spi-max-frequency = <5000000>;
71 vdd-supply = <®_pb_3v3>;
72 vdig-supply = <®_pb_3v3>;
73 reset-gpios = <&powerboard_gpio 2 GPIO_ACTIVE_HIGH>;
74
75 shunt-resistor-micro-ohms = <15000>;
76 };
77 };
78
79 &timers1 {
80 /* spare dmas for other usage */
81 /delete-property/dmas;
82 /delete-property/dma-names;
83
84 status = "okay";
85
86 backlight_pwm: pwm {
87 pinctrl-names = "default", "sleep";
88 pinctrl-0 = <&pwm1_pins_c>;
89 pinctrl-1 = <&pwm1_sleep_pins_c>;
90
91 status = "okay";
92 };
93 };
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