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SubjectRe: [PATCH v4 2/7] dt-bindings: phy: qmp: Add support for QMP phy in IPQ8074
On Fri, Jul 21, 2017 at 5:06 PM, Varadarajan Narayanan
<varada@codeaurora.org> wrote:
> IPQ8074 uses QMP phy controller that provides support to PCIe and
> USB. Adding dt binding information for the same.
>
> Signed-off-by: Varadarajan Narayanan <varada@codeaurora.org>
> ---
> Documentation/devicetree/bindings/phy/qcom-qmp-phy.txt | 8 ++++++++
> 1 file changed, 8 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/phy/qcom-qmp-phy.txt b/Documentation/devicetree/bindings/phy/qcom-qmp-phy.txt
> index 5d7a51f..82fe0c4 100644
> --- a/Documentation/devicetree/bindings/phy/qcom-qmp-phy.txt
> +++ b/Documentation/devicetree/bindings/phy/qcom-qmp-phy.txt
> @@ -6,6 +6,7 @@ controllers on Qualcomm chipsets, such as, PCIe, UFS, and USB.
>
> Required properties:
> - compatible: compatible list, contains:
> + "qcom,ipq8074-qmp-pcie-phy" for PCIe phy on IPQ8074
> "qcom,msm8996-qmp-pcie-phy" for 14nm PCIe phy on msm8996,
> "qcom,msm8996-qmp-usb3-phy" for 14nm USB3 phy on msm8996.
>
> @@ -38,6 +39,8 @@ Required properties:
> "phy", "common", "cfg".
> For "qcom,msm8996-qmp-usb3-phy" must contain
> "phy", "common".
> + For "qcom,ipq8074-qmp-pcie-phy" must contain:
> + "phy", "phy_phy".

Actually the "common" reset for msm8996-qmp-usb3-phy is
usb3phy_phy_reset in the datasheets, which functions in a
similar fashion as this "phy_phy" reset. So may be we don't
need another name?

regards
Vivek

>
> - vdda-phy-supply: Phandle to a regulator supply to PHY core block.
> - vdda-pll-supply: Phandle to 1.8V regulator supply to PHY refclk pll block.
> @@ -63,6 +66,11 @@ Required properties for child node:
> - clock-output-names: Name of the phy clock that will be the parent for
> the above pipe clock.
>
> + For "qcom,ipq8074-qmp-pcie-phy":
> + - "pcie20_phy0_pipe_clk" Pipe Clock parent
> + (or)
> + "pcie20_phy1_pipe_clk"
> +
> - resets: a list of phandles and reset controller specifier pairs,
> one for each entry in reset-names.
> - reset-names: Must contain following for pcie qmp phys:
> --
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