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Message-ID: <20180711161356.GA4685@rob-hp-laptop>
Date: Wed, 11 Jul 2018 10:13:56 -0600
From: Rob Herring <robh@...nel.org>
To: Icenowy Zheng <icenowy@...c.io>
Cc: Maxime Ripard <maxime.ripard@...tlin.com>,
Chen-Yu Tsai <wens@...e.org>,
Kishon Vijay Abraham I <kishon@...com>,
devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
linux-kernel@...r.kernel.org, linux-sunxi@...glegroups.com
Subject: Re: [PATCH v2 6/9] dt-bindings: phy: add binding for Allwinner USB3
PHY
On Fri, Jul 06, 2018 at 11:38:02PM +0800, Icenowy Zheng wrote:
> The new Allwinner H6 SoC contains a USB3 PHY that is wired to the
> external USB3 pins of the SoC.
>
> Add a device tree binding for the PHY.
>
> Signed-off-by: Icenowy Zheng <icenowy@...c.io>
> ---
> Splitted from the PHY driver patch in v1.
>
> .../bindings/phy/sun50i-usb3-phy.txt | 24 +++++++++++++++++++
> 1 file changed, 24 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/phy/sun50i-usb3-phy.txt
>
> diff --git a/Documentation/devicetree/bindings/phy/sun50i-usb3-phy.txt b/Documentation/devicetree/bindings/phy/sun50i-usb3-phy.txt
> new file mode 100644
> index 000000000000..912d55f9f69d
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/phy/sun50i-usb3-phy.txt
> @@ -0,0 +1,24 @@
> +Allwinner sun50i USB3 PHY
> +-----------------------
> +
> +Required properties:
> +- compatible : should be one of
> + * allwinner,sun60i-h6-usb3-phy
> +- reg : a list of offset + length pairs
> +- #phy-cells : from the generic phy bindings, must be 0
> +- clocks : phandle + clock specifier for the phy clock
> +- resets : phandle + reset specifier for the phy reset
> +
> +Optional Properties:
> +- phy-supply : from the generic phy bindings, a phandle to a regulator that
> + provides power to VBUS.
Power to the phy or Vbus? If the latter only, then this property should
be elsewhere (like a connector node).
> +
> +Example:
> + usb3phy: phy@...0000 {
> + compatible = "allwinner,sun50i-h6-usb3-phy";
> + reg = <0x5210000 0x10000>;
> + clocks = <&ccu CLK_USB_PHY1>;
> + resets = <&ccu RST_USB_PHY1>;
> + #phy-cells = <0>;
> + status = "disabled";
> + };
> --
> 2.17.1
>
> --
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