On Mon, Feb 15, 2016 at 12:23:26PM +0530, Archit Taneja wrote:
> Add HDMI PHY bindings. Update the example to use HDMI PHY.
>
> Add a missing power-domains property in the HDMI core bindings.
>
> Cc: devicetree@xxxxxxxxxxxxxxx
> Cc: Rob Herring <robh@xxxxxxxxxx>
>
> Signed-off-by: Archit Taneja <architt@xxxxxxxxxxxxxx>
> ---
> .../devicetree/bindings/display/msm/hdmi.txt | 39 +++++++++++++++++++++-
> 1 file changed, 38 insertions(+), 1 deletion(-)
>
> diff --git a/Documentation/devicetree/bindings/display/msm/hdmi.txt b/Documentation/devicetree/bindings/display/msm/hdmi.txt
> index 379ee2e..4d71910 100644
> --- a/Documentation/devicetree/bindings/display/msm/hdmi.txt
> +++ b/Documentation/devicetree/bindings/display/msm/hdmi.txt
> @@ -11,6 +11,7 @@ Required properties:
> - reg: Physical base address and length of the controller's registers
> - reg-names: "core_physical"
> - interrupts: The interrupt signal from the hdmi block.
> +- power-domains: Should be <&mmcc MDSS_GDSC>.
> - clocks: device clocks
> See ../clocks/clock-bindings.txt for details.
> - qcom,hdmi-tx-ddc-clk-gpio: ddc clk pin
> @@ -18,6 +19,7 @@ Required properties:
> - qcom,hdmi-tx-hpd-gpio: hpd pin
> - core-vdda-supply: phandle to supply regulator
> - hdmi-mux-supply: phandle to mux regulator
> +- qcom,hdmi-phy: phandle to HDMI PHY device node
Why not use the generic phy binding?
>
> Optional properties:
> - qcom,hdmi-tx-mux-en-gpio: hdmi mux enable pin
> @@ -27,6 +29,27 @@ Optional properties:
> - pinctrl-0: the default pinctrl state (active)
> - pinctrl-1: the "sleep" pinctrl state
>
> +HDMI PHY:
> +Required properties:
> +- compatible: Could be the following
> + * "qcom,hdmi-phy-8x60"
> + * "qcom,hdmi-phy-8960"
> + * "qcom,hdmi-phy-8x74"
No wildcards please. Where's 8994?
> + * "qcom,hdmi-phy-8996"
> +- reg: Physical base address and length of the registers of the PHY sub blocks.
> +- reg-names: The names of register regions. The following regions are required:
> + * "hdmi_pll"
> + * "hdmi_phy"
> + For HDMI PHY on msm8996, these additional register regions are required:
> + * "hdmi_tx_l0"
> + * "hdmi_tx_l1"
> + * "hdmi_tx_l3"
> + * "hdmi_tx_l4"
> +- power-domains: Should be <&mmcc MDSS_GDSC>.
> +- clocks: device clocks
> + See Documentation/devicetree/bindings/clocks/clock-bindings.txt for details.
> +- core-vdda-supply: phandle to vdda regulator device node
> +
> Example:
>
> / {
> @@ -35,7 +58,7 @@ Example:
> hdmi: qcom,hdmi-tx-8960@4a00000 {
Node names should be generic, so just "hdmi".
> compatible = "qcom,hdmi-tx-8960";
> reg-names = "core_physical";
> - reg = <0x04a00000 0x1000>;
> + reg = <0x04a00000 0x2f0>;
> interrupts = <GIC_SPI 79 0>;
> power-domains = <&mmcc MDSS_GDSC>;
> clock-names =
> @@ -54,5 +77,19 @@ Example:
> pinctrl-names = "default", "sleep";
> pinctrl-0 = <&hpd_active &ddc_active &cec_active>;
> pinctrl-1 = <&hpd_suspend &ddc_suspend &cec_suspend>;
> +
> + qcom,hdmi-phy = <&hdmi_phy>;
> + };
> +
> + hdmi_phy: qcom,hdmi-phy-8960@4a00400 {
ditto. phy@...
> + compatible = "qcom,hdmi-phy-8960";
> + reg-names = "hdmi_phy",
> + "hdmi_pll";
> + reg = <0x4a00400 0x60>,
> + <0x4a00500 0x100>;
> + power-domains = <&mmcc MDSS_GDSC>;
> + clock-names = "slave_iface_clk";
> + clocks = <&mmcc HDMI_S_AHB_CLK>;
> + core-vdda-supply = <&pm8921_hdmi_mvs>;
> };
> };
> --
> The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
> hosted by The Linux Foundation
>
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