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// SPDX-License-Identifier: GPL-2.0+ OR X11
/*
* Copyright 2021 - Dillon Min <dillon.minfei@gmail.com>
*
*/
/dts-v1/;
#include "stm32h750.dtsi"
#include "stm32h7-pinctrl.dtsi"
#include <dt-bindings/interrupt-controller/irq.h>
#include <dt-bindings/gpio/gpio.h>
/ {
model = "RT-Thread STM32H750i-ART-PI board";
compatible = "st,stm32h750i-art-pi", "st,stm32h750";
chosen {
bootargs = "root=/dev/ram";
stdout-path = "serial0:2000000n8";
};
memory@c0000000 {
device_type = "memory";
reg = <0xc0000000 0x2000000>;
};
reserved-memory {
#address-cells = <1>;
#size-cells = <1>;
ranges;
linux,cma {
compatible = "shared-dma-pool";
no-map;
size = <0x100000>;
linux,dma-default;
};
};
aliases {
serial0 = &uart4;
serial1 = &usart3;
};
leds {
compatible = "gpio-leds";
led-red {
gpios = <&gpioi 8 0>;
};
led-green {
gpios = <&gpioc 15 0>;
linux,default-trigger = "heartbeat";
};
};
v3v3: regulator-v3v3 {
compatible = "regulator-fixed";
regulator-name = "v3v3";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
regulator-always-on;
};
wlan_pwr: regulator-wlan {
compatible = "regulator-fixed";
regulator-name = "wl-reg";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
gpios = <&gpioc 13 GPIO_ACTIVE_HIGH>;
enable-active-high;
};
};
&clk_hse {
clock-frequency = <25000000>;
};
&dma1 {
status = "okay";
};
&dma2 {
status = "okay";
};
&mac {
status = "disabled";
pinctrl-0 = <ðernet_rmii>;
pinctrl-names = "default";
phy-mode = "rmii";
phy-handle = <&phy0>;
mdio0 {
#address-cells = <1>;
#size-cells = <0>;
compatible = "snps,dwmac-mdio";
phy0: ethernet-phy@0 {
reg = <0>;
};
};
};
&sdmmc1 {
pinctrl-names = "default", "opendrain", "sleep";
pinctrl-0 = <&sdmmc1_b4_pins_a>;
pinctrl-1 = <&sdmmc1_b4_od_pins_a>;
pinctrl-2 = <&sdmmc1_b4_sleep_pins_a>;
broken-cd;
st,neg-edge;
bus-width = <4>;
vmmc-supply = <&v3v3>;
status = "okay";
};
&sdmmc2 {
pinctrl-names = "default", "opendrain", "sleep";
pinctrl-0 = <&sdmmc2_b4_pins_a>;
pinctrl-1 = <&sdmmc2_b4_od_pins_a>;
pinctrl-2 = <&sdmmc2_b4_sleep_pins_a>;
broken-cd;
non-removable;
st,neg-edge;
bus-width = <4>;
vmmc-supply = <&wlan_pwr>;
status = "okay";
#address-cells = <1>;
#size-cells = <0>;
brcmf: bcrmf@1 {
reg = <1>;
compatible = "brcm,bcm4329-fmac";
};
};
&spi1 {
status = "okay";
pinctrl-0 = <&spi1_pins>;
pinctrl-names = "default";
cs-gpios = <&gpioa 4 GPIO_ACTIVE_LOW>;
dmas = <&dmamux1 37 0x400 0x05>,
<&dmamux1 38 0x400 0x05>;
dma-names = "rx", "tx";
flash@0 {
#address-cells = <1>;
#size-cells = <1>;
compatible = "winbond,w25q128", "jedec,spi-nor";
reg = <0>;
spi-max-frequency = <80000000>;
partition@0 {
label = "root filesystem";
reg = <0 0x1000000>;
};
};
};
&usart2 {
pinctrl-0 = <&usart2_pins>;
pinctrl-names = "default";
status = "disabled";
};
&usart3 {
pinctrl-names = "default";
pinctrl-0 = <&usart3_pins>;
dmas = <&dmamux1 45 0x400 0x05>,
<&dmamux1 46 0x400 0x05>;
dma-names = "rx", "tx";
st,hw-flow-ctrl;
status = "okay";
bluetooth {
compatible = "brcm,bcm43438-bt";
host-wakeup-gpios = <&gpioc 0 GPIO_ACTIVE_HIGH>;
device-wakeup-gpios = <&gpioi 10 GPIO_ACTIVE_HIGH>;
shutdown-gpios = <&gpioi 11 GPIO_ACTIVE_HIGH>;
max-speed = <115200>;
};
};
&uart4 {
pinctrl-0 = <&uart4_pins>;
pinctrl-names = "default";
status = "okay";
};
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