diff options
| author | Doug Anderson <dianders@chromium.org> | 2014-07-30 22:00:10 +0200 |
|---|---|---|
| committer | Heiko Stuebner <heiko@sntech.de> | 2014-07-31 05:35:10 +0200 |
| commit | 83a742b431501c1cf971983fa1911ae5d4b0440c (patch) | |
| tree | 7bcc1242e80536dfb9bc2a11d3e33a34057a1dab /arch/arm/boot/dts/rk3288-evb.dtsi | |
| parent | ARM: dts: Build dtbs for Rockchip boards (diff) | |
| download | linux-83a742b431501c1cf971983fa1911ae5d4b0440c.tar.xz linux-83a742b431501c1cf971983fa1911ae5d4b0440c.zip | |
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>
Diffstat (limited to 'arch/arm/boot/dts/rk3288-evb.dtsi')
| -rw-r--r-- | arch/arm/boot/dts/rk3288-evb.dtsi | 18 |
1 files changed, 18 insertions, 0 deletions
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>; + }; + }; }; |