From: Doug Anderson <dianders@chromium.org>
Date: Wed, 30 Jul 2014 20:00:10 +0000 (-0700)
Subject: ARM: dts: Turn on USB host vbus on rk3288-evb
X-Git-Tag: v3.17-rc1~77^2~2^2~2
X-Git-Url: http://git.cascardo.info/?p=cascardo%2Flinux.git;a=commitdiff_plain;h=83a742b431501c1cf971983fa1911ae5d4b0440c

ARM: dts: Turn on USB host vbus on rk3288-evb

There is no phy driver that works on the Rockchip board for either USB
host port yet.  For now just hardcode the vbus signal to be on all the
time which makes both the dwc2 host and the EHCI port work.

Signed-off-by: Doug Anderson <dianders@chromium.org>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
---

diff --git a/arch/arm/boot/dts/rk3288-evb.dtsi b/arch/arm/boot/dts/rk3288-evb.dtsi
index 749e20db3b37..e6c5b03de3c0 100644
--- a/arch/arm/boot/dts/rk3288-evb.dtsi
+++ b/arch/arm/boot/dts/rk3288-evb.dtsi
@@ -35,6 +35,18 @@
 			debounce-interval = <100>;
 		};
 	};
+
+	/* This turns on USB vbus for both host0 (ehci) and host1 (dwc2) */
+	vcc_host: vcc-host-regulator {
+		compatible = "regulator-fixed";
+		enable-active-high;
+		gpio = <&gpio0 14 GPIO_ACTIVE_HIGH>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&host_vbus_drv>;
+		regulator-name = "vcc_host";
+		regulator-always-on;
+		regulator-boot-on;
+	};
 };
 
 &i2c0 {
@@ -71,4 +83,10 @@
 			rockchip,pins = <0 5 RK_FUNC_GPIO &pcfg_pull_up>;
 		};
 	};
+
+	usb {
+		host_vbus_drv: host-vbus-drv {
+			rockchip,pins = <0 14 RK_FUNC_GPIO &pcfg_pull_none>;
+		};
+	};
 };