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// SPDX-License-Identifier: GPL-2.0+ OR X11
/*
* Copyright 2017 - Vikas MANOCHA <vikas.manocha@st.com>
*
*/
/dts-v1/;
#include "stm32f746.dtsi"
#include "stm32f746-pinctrl.dtsi"
#include <dt-bindings/input/input.h>
#include <dt-bindings/gpio/gpio.h>
/ {
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";
};
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