v4.19.13 snapshot.
diff --git a/arch/arm/boot/dts/stm32f746-disco.dts b/arch/arm/boot/dts/stm32f746-disco.dts
new file mode 100644
index 0000000..f9ad71f
--- /dev/null
+++ b/arch/arm/boot/dts/stm32f746-disco.dts
@@ -0,0 +1,132 @@
+/*
+ * Copyright 2017 - Vikas MANOCHA <vikas.manocha@st.com>
+ *
+ * This file is dual-licensed: you can use it either under the terms
+ * of the GPL or the X11 license, at your option. Note that this dual
+ * licensing only applies to this file, and not this project as a
+ * whole.
+ *
+ * a) This file is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * This file is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * Or, alternatively,
+ *
+ * b) Permission is hereby granted, free of charge, to any person
+ * obtaining a copy of this software and associated documentation
+ * files (the "Software"), to deal in the Software without
+ * restriction, including without limitation the rights to use,
+ * copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following
+ * conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
+ * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
+ * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+ * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+/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 {
+ 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_HIGH>;
+ cd-inverted;
+ 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";
+};