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https://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson
synced 2025-08-29 11:42:36 +00:00
c57a222ab8
Add STM32MP235F Discovery Kit board support. It embeds a STM32MP235FAK SoC, with 4GB of LPDDR4, 2*USB typeA, 1*USB3 typeC, 1*ETH, wifi/BT combo, DSI HDMI, LVDS connector ... Signed-off-by: Amelie Delaunay <amelie.delaunay@foss.st.com> Link: https://lore.kernel.org/r/20250225-b4-stm32mp2_new_dts-v2-7-1a628c1580c7@foss.st.com Signed-off-by: Alexandre Torgue <alexandre.torgue@foss.st.com>
114 lines
2.3 KiB
Plaintext
114 lines
2.3 KiB
Plaintext
// SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause)
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/*
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* Copyright (C) STMicroelectronics 2025 - All Rights Reserved
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* Author: Amelie Delaunay <amelie.delaunay@foss.st.com> for STMicroelectronics.
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*/
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/dts-v1/;
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#include <dt-bindings/gpio/gpio.h>
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#include <dt-bindings/input/input.h>
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#include <dt-bindings/leds/common.h>
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#include "stm32mp235.dtsi"
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#include "stm32mp23xf.dtsi"
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#include "stm32mp25-pinctrl.dtsi"
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#include "stm32mp25xxak-pinctrl.dtsi"
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/ {
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model = "STMicroelectronics STM32MP235F-DK Discovery Board";
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compatible = "st,stm32mp235f-dk", "st,stm32mp235";
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aliases {
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serial0 = &usart2;
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};
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chosen {
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stdout-path = "serial0:115200n8";
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};
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gpio-keys {
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compatible = "gpio-keys";
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button-user-1 {
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label = "User-1";
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linux,code = <BTN_1>;
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gpios = <&gpioc 5 GPIO_ACTIVE_HIGH>;
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};
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button-user-2 {
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label = "User-2";
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linux,code = <BTN_2>;
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gpios = <&gpioc 11 GPIO_ACTIVE_HIGH>;
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};
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};
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gpio-leds {
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compatible = "gpio-leds";
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led-blue {
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function = LED_FUNCTION_HEARTBEAT;
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color = <LED_COLOR_ID_BLUE>;
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gpios = <&gpioh 7 GPIO_ACTIVE_HIGH>;
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linux,default-trigger = "heartbeat";
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default-state = "off";
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};
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};
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memory@80000000 {
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device_type = "memory";
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reg = <0x0 0x80000000 0x1 0x0>;
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};
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reserved-memory {
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#address-cells = <2>;
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#size-cells = <2>;
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ranges;
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fw@80000000 {
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compatible = "shared-dma-pool";
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reg = <0x0 0x80000000 0x0 0x4000000>;
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no-map;
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};
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};
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};
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&arm_wdt {
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timeout-sec = <32>;
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status = "okay";
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};
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&scmi_regu {
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scmi_vddio1: regulator@0 {
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regulator-min-microvolt = <1800000>;
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regulator-max-microvolt = <3300000>;
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};
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scmi_vdd_sdcard: regulator@23 {
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reg = <VOLTD_SCMI_STPMIC2_LDO7>;
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regulator-name = "vdd_sdcard";
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};
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};
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&sdmmc1 {
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pinctrl-names = "default", "opendrain", "sleep";
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pinctrl-0 = <&sdmmc1_b4_pins_a>;
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pinctrl-1 = <&sdmmc1_b4_od_pins_a>;
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pinctrl-2 = <&sdmmc1_b4_sleep_pins_a>;
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cd-gpios = <&gpiod 3 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>;
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disable-wp;
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st,neg-edge;
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bus-width = <4>;
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vmmc-supply = <&scmi_vdd_sdcard>;
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vqmmc-supply = <&scmi_vddio1>;
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status = "okay";
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};
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&usart2 {
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pinctrl-names = "default", "idle", "sleep";
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pinctrl-0 = <&usart2_pins_a>;
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pinctrl-1 = <&usart2_idle_pins_a>;
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pinctrl-2 = <&usart2_sleep_pins_a>;
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/delete-property/dmas;
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/delete-property/dma-names;
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status = "okay";
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};
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