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// SPDX-License-Identifier: GPL-2.0+ OR X11
/*
* Copyright 2017 - Patrice Chotard <patrice.chotard@foss.st.com>
*
*/
/dts-v1/;
#include "stm32h743.dtsi"
#include "stm32h7-pinctrl.dtsi"
/ {
model = "STMicroelectronics STM32H743i-Discovery board";
compatible = "st,stm32h743i-disco", "st,stm32h743";
chosen {
bootargs = "root=/dev/ram";
stdout-path = "serial0:115200n8";
};
memory@d0000000 {
device_type = "memory";
reg = <0xd0000000 0x2000000>;
};
aliases {
serial0 = &usart2;
};
v3v3: regulator-v3v3 {
compatible = "regulator-fixed";
regulator-name = "v3v3";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
regulator-always-on;
};
};
&clk_hse {
clock-frequency = <25000000>;
};
&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";
};
&usart2 {
pinctrl-0 = <&usart2_pins>;
pinctrl-names = "default";
status = "okay";
};
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