// SPDX-License-Identifier: GPL-2.0+ OR X11 /* * Copyright 2017 - Vikas MANOCHA * */ /dts-v1/; #include "stm32f746.dtsi" #include "stm32f746-pinctrl.dtsi" #include #include / { model = "STMicroelectronics STM32F746-DISCO board"; compatible = "st,stm32f746-disco", "st,stm32f746"; chosen { bootargs = "root=/dev/ram"; stdout-path = "serial0:115200n8"; }; memory@c0000000 { device_type = "memory"; reg = <0xC0000000 0x800000>; }; aliases { serial0 = &usart1; }; usbotg_hs_phy: usb-phy { #phy-cells = <0>; compatible = "usb-nop-xceiv"; clocks = <&rcc 0 STM32F7_AHB1_CLOCK(OTGHSULPI)>; clock-names = "main_clk"; }; /* This turns on vbus for otg fs for host mode (dwc2) */ vcc5v_otg_fs: vcc5v-otg-fs-regulator { compatible = "regulator-fixed"; gpio = <&gpiod 5 0>; regulator-name = "vcc5_host1"; regulator-always-on; }; mmc_vcard: mmc_vcard { compatible = "regulator-fixed"; regulator-name = "mmc_vcard"; regulator-min-microvolt = <3300000>; regulator-max-microvolt = <3300000>; }; }; &clk_hse { clock-frequency = <25000000>; }; &i2c1 { pinctrl-0 = <&i2c1_pins_b>; pinctrl-names = "default"; i2c-scl-rising-time-ns = <185>; i2c-scl-falling-time-ns = <20>; status = "okay"; }; &sdio1 { status = "okay"; vmmc-supply = <&mmc_vcard>; cd-gpios = <&gpioc 13 GPIO_ACTIVE_LOW>; pinctrl-names = "default", "opendrain"; pinctrl-0 = <&sdio_pins_a>; pinctrl-1 = <&sdio_pins_od_a>; bus-width = <4>; }; &usart1 { pinctrl-0 = <&usart1_pins_b>; pinctrl-names = "default"; status = "okay"; }; &usbotg_fs { dr_mode = "host"; pinctrl-0 = <&usbotg_fs_pins_a>; pinctrl-names = "default"; status = "okay"; }; &usbotg_hs { dr_mode = "host"; phys = <&usbotg_hs_phy>; phy-names = "usb2-phy"; pinctrl-0 = <&usbotg_hs_pins_b>; pinctrl-names = "default"; status = "okay"; };