ARM: dts: stm32: Sync DT with v4.20 kernel for stm32f7

Synchronize stm32f7 device tree with kernel v4.20.

All pinctrl bindings are updated.

Signed-off-by: Patrice Chotard <patrice.chotard@st.com>
diff --git a/arch/arm/dts/stm32f746-disco.dts b/arch/arm/dts/stm32f746-disco.dts
index d568765..e3a7bd3 100644
--- a/arch/arm/dts/stm32f746-disco.dts
+++ b/arch/arm/dts/stm32f746-disco.dts
@@ -1,10 +1,5 @@
 /*
- * Copyright 2016 - Michael Kurz <michi.kurz@gmail.com>
- * Copyright 2016 - Vikas MANOCHA <vikas.manocha@st.com>
- *
- * Based on:
- * stm32f469-disco.dts from Linux
- * Copyright 2016 - Lee Jones <lee.jones@linaro.org>
+ * 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
@@ -47,7 +42,8 @@
 
 /dts-v1/;
 #include "stm32f746.dtsi"
-#include <dt-bindings/memory/stm32-sdram.h>
+#include "stm32f746-pinctrl.dtsi"
+#include <dt-bindings/input/input.h>
 #include <dt-bindings/gpio/gpio.h>
 
 / {
@@ -55,7 +51,7 @@
 	compatible = "st,stm32f746-disco", "st,stm32f746";
 
 	chosen {
-		bootargs = "root=/dev/ram rdinit=/linuxrc";
+		bootargs = "root=/dev/ram";
 		stdout-path = "serial0:115200n8";
 	};
 
@@ -67,39 +63,69 @@
 		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>;
 };
 
-&pinctrl {
-	usart1_pins_a: usart1@0	{
-		pins1 {
-		       pinmux = <STM32F746_PA9_FUNC_USART1_TX>;
-				bias-disable;
-				drive-push-pull;
-				slew-rate = <2>;
-		};
-		pins2 {
-			pinmux = <STM32F746_PB7_FUNC_USART1_RX>;
-			bias-disable;
-		};
-	};
-};
-
-&usart1 {
-	pinctrl-0 = <&usart1_pins_a>;
+&i2c1 {
+	pinctrl-0 = <&i2c1_pins_b>;
 	pinctrl-names = "default";
+	i2c-scl-rising-time-ns = <185>;
+	i2c-scl-falling-time-ns = <20>;
 	status = "okay";
 };
 
-&sdio {
+&sdio1 {
 	status = "okay";
+	vmmc-supply = <&mmc_vcard>;
 	cd-gpios = <&gpioc 13 GPIO_ACTIVE_LOW>;
 	pinctrl-names = "default", "opendrain";
-	pinctrl-0 = <&sdio_pins>;
-	pinctrl-1 = <&sdio_pins_od>;
+	pinctrl-0 = <&sdio_pins_a>;
+	pinctrl-1 = <&sdio_pins_od_a>;
 	bus-width = <4>;
-	max-frequency = <25000000>;
+};
+
+&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";
 };