tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1// SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause)
2/*
3 * Copyright (C) STMicroelectronics 2025 - All Rights Reserved
4 * Author: Amelie Delaunay <amelie.delaunay@foss.st.com> for STMicroelectronics.
5 */
6
7/dts-v1/;
8
9#include <dt-bindings/gpio/gpio.h>
10#include <dt-bindings/input/input.h>
11#include <dt-bindings/leds/common.h>
12#include "stm32mp235.dtsi"
13#include "stm32mp23xf.dtsi"
14#include "stm32mp25-pinctrl.dtsi"
15#include "stm32mp25xxak-pinctrl.dtsi"
16
17/ {
18 model = "STMicroelectronics STM32MP235F-DK Discovery Board";
19 compatible = "st,stm32mp235f-dk", "st,stm32mp235";
20
21 aliases {
22 ethernet0 = ðernet1;
23 serial0 = &usart2;
24 };
25
26 chosen {
27 stdout-path = "serial0:115200n8";
28 };
29
30 gpio-keys {
31 compatible = "gpio-keys";
32
33 button-user-1 {
34 label = "User-1";
35 linux,code = <BTN_1>;
36 gpios = <&gpioc 5 GPIO_ACTIVE_HIGH>;
37 };
38
39 button-user-2 {
40 label = "User-2";
41 linux,code = <BTN_2>;
42 gpios = <&gpioc 11 GPIO_ACTIVE_HIGH>;
43 };
44 };
45
46 gpio-leds {
47 compatible = "gpio-leds";
48
49 led-blue {
50 function = LED_FUNCTION_HEARTBEAT;
51 color = <LED_COLOR_ID_BLUE>;
52 gpios = <&gpioh 7 GPIO_ACTIVE_HIGH>;
53 linux,default-trigger = "heartbeat";
54 default-state = "off";
55 };
56 };
57
58 memory@80000000 {
59 device_type = "memory";
60 reg = <0x0 0x80000000 0x0 0x80000000>;
61 };
62
63 reserved-memory {
64 #address-cells = <2>;
65 #size-cells = <2>;
66 ranges;
67
68 fw@80000000 {
69 compatible = "shared-dma-pool";
70 reg = <0x0 0x80000000 0x0 0x4000000>;
71 no-map;
72 };
73 };
74};
75
76&arm_wdt {
77 timeout-sec = <32>;
78 status = "okay";
79};
80
81ðernet1 {
82 pinctrl-0 = <ð1_rgmii_pins_b>;
83 pinctrl-1 = <ð1_rgmii_sleep_pins_b>;
84 pinctrl-names = "default", "sleep";
85 phy-handle = <&phy1_eth1>;
86 phy-mode = "rgmii-id";
87 status = "okay";
88
89 mdio {
90 #address-cells = <1>;
91 #size-cells = <0>;
92 compatible = "snps,dwmac-mdio";
93 phy1_eth1: ethernet-phy@1 {
94 compatible = "ethernet-phy-id001c.c916";
95 reg = <1>;
96 reset-gpios = <&gpioa 2 GPIO_ACTIVE_LOW>;
97 reset-assert-us = <10000>;
98 reset-deassert-us = <80000>;
99 };
100 };
101};
102
103&scmi_regu {
104 scmi_vddio1: regulator@0 {
105 regulator-min-microvolt = <1800000>;
106 regulator-max-microvolt = <3300000>;
107 };
108 scmi_vdd_sdcard: regulator@23 {
109 reg = <VOLTD_SCMI_STPMIC2_LDO7>;
110 regulator-name = "vdd_sdcard";
111 };
112};
113
114&sdmmc1 {
115 pinctrl-names = "default", "opendrain", "sleep";
116 pinctrl-0 = <&sdmmc1_b4_pins_a>;
117 pinctrl-1 = <&sdmmc1_b4_od_pins_a>;
118 pinctrl-2 = <&sdmmc1_b4_sleep_pins_a>;
119 cd-gpios = <&gpiod 3 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>;
120 disable-wp;
121 st,neg-edge;
122 bus-width = <4>;
123 vmmc-supply = <&scmi_vdd_sdcard>;
124 vqmmc-supply = <&scmi_vddio1>;
125 status = "okay";
126};
127
128&usart2 {
129 pinctrl-names = "default", "idle", "sleep";
130 pinctrl-0 = <&usart2_pins_a>;
131 pinctrl-1 = <&usart2_idle_pins_a>;
132 pinctrl-2 = <&usart2_sleep_pins_a>;
133 /delete-property/dmas;
134 /delete-property/dma-names;
135 status = "okay";
136};