189 lines
3.4 KiB
Plaintext
189 lines
3.4 KiB
Plaintext
// SPDX-License-Identifier: GPL-2.0+ OR X11
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/*
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* Copyright 2021 - Dillon Min <dillon.minfei@gmail.com>
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*
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*/
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/dts-v1/;
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#include "stm32h750.dtsi"
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#include "stm32h7-pinctrl.dtsi"
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#include <dt-bindings/interrupt-controller/irq.h>
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#include <dt-bindings/gpio/gpio.h>
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/ {
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model = "RT-Thread STM32H750i-ART-PI board";
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compatible = "st,stm32h750i-art-pi", "st,stm32h750";
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chosen {
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bootargs = "root=/dev/ram";
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stdout-path = "serial0:2000000n8";
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};
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memory@c0000000 {
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device_type = "memory";
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reg = <0xc0000000 0x2000000>;
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};
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reserved-memory {
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#address-cells = <1>;
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#size-cells = <1>;
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ranges;
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linux,cma {
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compatible = "shared-dma-pool";
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no-map;
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size = <0x100000>;
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linux,dma-default;
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};
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};
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aliases {
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serial0 = &uart4;
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serial1 = &usart3;
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};
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leds {
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compatible = "gpio-leds";
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led-red {
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gpios = <&gpioi 8 0>;
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};
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led-green {
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gpios = <&gpioc 15 0>;
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linux,default-trigger = "heartbeat";
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};
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};
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v3v3: regulator-v3v3 {
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compatible = "regulator-fixed";
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regulator-name = "v3v3";
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regulator-min-microvolt = <3300000>;
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regulator-max-microvolt = <3300000>;
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regulator-always-on;
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};
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wlan_pwr: regulator-wlan {
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compatible = "regulator-fixed";
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regulator-name = "wl-reg";
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regulator-min-microvolt = <3300000>;
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regulator-max-microvolt = <3300000>;
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gpios = <&gpioc 13 GPIO_ACTIVE_HIGH>;
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enable-active-high;
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};
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};
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&clk_hse {
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clock-frequency = <25000000>;
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};
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&dma1 {
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status = "okay";
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};
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&dma2 {
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status = "okay";
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};
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&mac {
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status = "disabled";
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pinctrl-0 = <ðernet_rmii>;
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pinctrl-names = "default";
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phy-mode = "rmii";
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phy-handle = <&phy0>;
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mdio0 {
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#address-cells = <1>;
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#size-cells = <0>;
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compatible = "snps,dwmac-mdio";
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phy0: ethernet-phy@0 {
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reg = <0>;
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};
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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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broken-cd;
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st,neg-edge;
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bus-width = <4>;
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vmmc-supply = <&v3v3>;
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status = "okay";
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};
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&sdmmc2 {
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pinctrl-names = "default", "opendrain", "sleep";
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pinctrl-0 = <&sdmmc2_b4_pins_a>;
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pinctrl-1 = <&sdmmc2_b4_od_pins_a>;
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pinctrl-2 = <&sdmmc2_b4_sleep_pins_a>;
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broken-cd;
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non-removable;
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st,neg-edge;
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bus-width = <4>;
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vmmc-supply = <&wlan_pwr>;
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status = "okay";
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#address-cells = <1>;
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#size-cells = <0>;
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brcmf: bcrmf@1 {
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reg = <1>;
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compatible = "brcm,bcm4329-fmac";
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};
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};
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&spi1 {
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status = "okay";
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pinctrl-0 = <&spi1_pins>;
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pinctrl-names = "default";
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cs-gpios = <&gpioa 4 GPIO_ACTIVE_LOW>;
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dmas = <&dmamux1 37 0x400 0x05>,
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<&dmamux1 38 0x400 0x05>;
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dma-names = "rx", "tx";
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flash@0 {
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#address-cells = <1>;
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#size-cells = <1>;
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compatible = "winbond,w25q128", "jedec,spi-nor";
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reg = <0>;
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spi-max-frequency = <80000000>;
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partition@0 {
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label = "root filesystem";
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reg = <0 0x1000000>;
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};
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};
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};
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&usart2 {
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pinctrl-0 = <&usart2_pins>;
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pinctrl-names = "default";
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status = "disabled";
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};
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&usart3 {
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pinctrl-names = "default";
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pinctrl-0 = <&usart3_pins>;
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dmas = <&dmamux1 45 0x400 0x05>,
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<&dmamux1 46 0x400 0x05>;
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dma-names = "rx", "tx";
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st,hw-flow-ctrl;
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status = "okay";
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bluetooth {
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compatible = "brcm,bcm43438-bt";
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host-wakeup-gpios = <&gpioc 0 GPIO_ACTIVE_HIGH>;
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device-wakeup-gpios = <&gpioi 10 GPIO_ACTIVE_HIGH>;
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shutdown-gpios = <&gpioi 11 GPIO_ACTIVE_HIGH>;
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max-speed = <115200>;
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};
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};
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&uart4 {
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pinctrl-0 = <&uart4_pins>;
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pinctrl-names = "default";
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status = "okay";
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};
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