// 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"; };