On Sun, Jan 25, 2015 at 08:22:07PM +0800, Chen-Yu Tsai wrote:
> Some SoCs have a total of 4 possible USB controllers. One such example
> is the A80, which has one USB3 dual role device and 3 EHCI/OHCI pairs.
>
> Add a common VBUS regulator for the last host controller.
>
> Signed-off-by: Chen-Yu Tsai <wens@xxxxxxxx>
> ---
> arch/arm/boot/dts/sunxi-common-regulators.dtsi | 10 ++++++++++
> 1 file changed, 10 insertions(+)
>
> diff --git a/arch/arm/boot/dts/sunxi-common-regulators.dtsi b/arch/arm/boot/dts/sunxi-common-regulators.dtsi
> index e02baa66b33c..97fe8d73c4f7 100644
> --- a/arch/arm/boot/dts/sunxi-common-regulators.dtsi
> +++ b/arch/arm/boot/dts/sunxi-common-regulators.dtsi
> @@ -130,6 +130,16 @@
> status = "disabled";
> };
>
> + reg_usb3_vbus: usb3-vbus {
> + compatible = "regulator-fixed";
> + pinctrl-names = "default";
> + regulator-name = "usb3-vbus";
> + regulator-min-microvolt = <5000000>;
> + regulator-max-microvolt = <5000000>;
> + enable-active-high;
> + status = "disabled";
> + };
> +
If the A80 is the only user so far, maybe that would make more sense
to have it in the A80 dtsi? Especially since this regulator doesn't
really do anything else than reg_vcc5v0.
--
Maxime Ripard, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com
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