commit be1e9dc0800a9d44514a0c640ded0bd70400ddc6
author Marek Vasut <marek.vasut+renesas@gmail.com> Sun Aug 11 13:22:32 2019 +0200
committer Marek Vasut <marex@denx.de> Thu Aug 22 18:23:37 2019 +0200
tree a7fcd00ba679aac2abffde9de83041abad35a51f
parent 769a9cd4bbd7ae9b8170b3dd6ba54b84fde59224

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>

arch/arm/dts/r7s72100-gr-peach-u-boot.dts

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";
+};