ARM: renesas: Enable R8A66597 USB host on GR Peach

Enable USB host support on GR Peach board.

To use USB host on GR Peach, it might be necessary to solder JP3 header
onto the board first and then short it. Shorting JP3 is mandatory to let
the U5 regulator to supply VBUS to the CN3 USB port.

Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Cc: Chris Brandt <chris.brandt@renesas.com>
diff --git a/arch/arm/dts/r7s72100-gr-peach-u-boot.dts b/arch/arm/dts/r7s72100-gr-peach-u-boot.dts
index 28247d1..30e35e4 100644
--- a/arch/arm/dts/r7s72100-gr-peach-u-boot.dts
+++ b/arch/arm/dts/r7s72100-gr-peach-u-boot.dts
@@ -37,6 +37,15 @@
 		};
 	};
 
+	reg_usbhs0_vbus: regulator-usbhs0-vbus {
+		compatible = "regulator-fixed";
+		regulator-name = "usbhs0_vbus";
+		regulator-min-microvolt = <5000000>;
+		regulator-max-microvolt = <5000000>;
+		gpio = <&port4 1 GPIO_ACTIVE_LOW>;
+	};
+
+
 	rpc: rpc@0xee200000 {
 		compatible = "renesas,rpc-r7s72100", "renesas,rpc";
 		reg = <0x3fefa000 0x100>, <0x18000000 0x08000000>;
@@ -76,3 +85,8 @@
 &scif2_pins {
 	u-boot,dm-pre-reloc;
 };
+
+&usbhs0 {
+	vbus-supply = <&reg_usbhs0_vbus>;
+	status = "okay";
+};
diff --git a/configs/grpeach_defconfig b/configs/grpeach_defconfig
index 32254b3..adabfbc 100644
--- a/configs/grpeach_defconfig
+++ b/configs/grpeach_defconfig
@@ -10,6 +10,7 @@
 # CONFIG_CMD_ELF is not set
 CONFIG_CMD_GPIO=y
 CONFIG_CMD_SF=y
+CONFIG_CMD_USB=y
 CONFIG_CMD_DHCP=y
 CONFIG_CMD_MII=y
 CONFIG_CMD_PING=y
@@ -30,7 +31,7 @@
 CONFIG_USE_ENV_SPI_MODE=y
 CONFIG_ENV_SPI_MODE=0x0
 CONFIG_NET_RANDOM_ETHADDR=y
-CONFIG_HAVE_BLOCK_DEVICE=y
+CONFIG_BLK=y
 CONFIG_DM_GPIO=y
 CONFIG_RZA1_GPIO=y
 CONFIG_LED=y
@@ -43,11 +44,17 @@
 CONFIG_DM_ETH=y
 CONFIG_SH_ETHER=y
 CONFIG_PINCTRL=y
+CONFIG_DM_REGULATOR=y
+CONFIG_DM_REGULATOR_FIXED=y
 CONFIG_SCIF_CONSOLE=y
 CONFIG_SPI=y
 CONFIG_DM_SPI=y
 CONFIG_RENESAS_RPC_SPI=y
 CONFIG_TIMER=y
 CONFIG_RENESAS_OSTM_TIMER=y
+CONFIG_USB=y
+CONFIG_DM_USB=y
+CONFIG_USB_R8A66597_HCD=y
+CONFIG_USB_STORAGE=y
 CONFIG_OF_LIBFDT_OVERLAY=y
 # CONFIG_EFI_LOADER is not set