Re: [PATCH 4/4] Documentation: usb: dwc3: qcom: Add TCSR mux usage

From: Rob Herring
Date: Fri Nov 20 2015 - 09:34:10 EST


On Fri, Nov 20, 2015 at 02:35:09AM -0600, Andy Gross wrote:
> This patch adds documentation for the optional syscon-tcsr property in the
> Qualcomm DWC3 node. The syscon-tcsr specifies the register and bit used to
> configure the TCSR USB phy mux register.
>
> Signed-off-by: Andy Gross <agross@xxxxxxxxxxxxxx>

Acked-by: Rob Herring <robh@xxxxxxxxxx>

> ---
> Documentation/devicetree/bindings/usb/qcom,dwc3.txt | 11 +++++++++++
> 1 file changed, 11 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/usb/qcom,dwc3.txt b/Documentation/devicetree/bindings/usb/qcom,dwc3.txt
> index ca164e7..dfa222d 100644
> --- a/Documentation/devicetree/bindings/usb/qcom,dwc3.txt
> +++ b/Documentation/devicetree/bindings/usb/qcom,dwc3.txt
> @@ -8,6 +8,10 @@ Required properties:
> "core" Master/Core clock, have to be >= 125 MHz for SS
> operation and >= 60MHz for HS operation
>
> +Optional properties:
> +- syscon-tcsr Specifies TCSR handle, register offset, and bit position for
> + configuring the phy mux setting.
> +
> Optional clocks:
> "iface" System bus AXI clock. Not present on all platforms
> "sleep" Sleep clock, used when USB3 core goes into low
> @@ -22,6 +26,11 @@ Documentation/devicetree/bindings/phy/qcom,dwc3-usb-phy.txt
>
> Example device nodes:
>
> + tcsr: syscon@1a400000 {
> + compatible = "qcom,tcsr-ipq8064", "syscon";
> + reg = <0x1a400000 0x100>;
> + };
> +
> hs_phy: phy@100f8800 {
> compatible = "qcom,dwc3-hs-usb-phy";
> reg = <0x100f8800 0x30>;
> @@ -51,6 +60,8 @@ Example device nodes:
>
> ranges;
>
> + syscon-tcsr = <&tcsr 0xb0 0x1>;
> +
> status = "ok";
>
> dwc3@10000000 {
> --
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