| // SPDX-License-Identifier: GPL-2.0+ OR X11 |
| /* |
| * Copyright 2017 - Patrice Chotard <patrice.chotard@st.com> |
| * |
| */ |
| |
| /dts-v1/; |
| #include "stm32h743.dtsi" |
| #include "stm32h743-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"; |
| }; |