[PATCH v18 06/12] dt-bindings: add document for dw_hdmi

[Andy Yan]

Hi Mark Rutland, Rob Herring, Pawel Moll, Ian Campbell, Kumar Gala:
Would you please give an Ack for this?

On 2014年12月05日 21:54, Philipp Zabel wrote:
> Am Freitag, den 05.12.2014, 14:27 +0800 schrieb Andy Yan:
>> Signed-off-by: Andy Yan <andy.yan at rock-chips.com>
> This binding is mostly a copy of the existing
> Documentation/devicetree/bindings/drm/imx/hdmi.txt, but there is a new
> reg-io-width property to configure the register access bus width and we
> have added new compatibles "rockchip,rk3288-dw-hdmi" and the common
> "snps,dw-hdmi-tx". Could we get an Ack for this and patch 11 by the
> device tree maintainers?
>
> regards
> Philipp
>> ---
>>
>> Changes in v18:
>> - add port bindings
>> - correct some spelling mistakes in dw_hdmi bindings doc
>>
>> Changes in v17: None
>> Changes in v16:
>> - describe ddc-i2c-bus as optional
>> - add common clocks bindings
>>
>> Changes in v15: None
>> Changes in v14: None
>> Changes in v13: None
>> Changes in v12: None
>> Changes in v11: None
>> Changes in v10: None
>> Changes in v9: None
>> Changes in v8:
>> - correct some spelling mistake
>> - modify ddc-i2c-bus and interrupt description
>>
>> Changes in v7: None
>> Changes in v6: None
>> Changes in v5: None
>> Changes in v4: None
>> Changes in v3: None
>>
>>   .../devicetree/bindings/drm/bridge/dw_hdmi.txt     | 50 ++++++++++++++++++++++
>>   1 file changed, 50 insertions(+)
>>   create mode 100644 Documentation/devicetree/bindings/drm/bridge/dw_hdmi.txt
>>
>> diff --git a/Documentation/devicetree/bindings/drm/bridge/dw_hdmi.txt b/Documentation/devicetree/bindings/drm/bridge/dw_hdmi.txt
>> new file mode 100644
>> index 0000000..a905c14
>> --- /dev/null
>> +++ b/Documentation/devicetree/bindings/drm/bridge/dw_hdmi.txt
>> @@ -0,0 +1,50 @@
>> +DesignWare HDMI bridge bindings
>> +
>> +Required properties:
>> +- compatible: platform specific such as:
>> +   * "snps,dw-hdmi-tx"
>> +   * "fsl,imx6q-hdmi"
>> +   * "fsl,imx6dl-hdmi"
>> +   * "rockchip,rk3288-dw-hdmi"
>> +- reg: Physical base address and length of the controller's registers.
>> +- interrupts: The HDMI interrupt number
>> +- clocks, clock-names : must have the phandles to the HDMI iahb and isfr clocks,
>> +  as described in Documentation/devicetree/bindings/clock/clock-bindings.txt,
>> +  the clocks are soc specific, the clock-names should be "iahb", "isfr"
>> +-port@[X]: SoC specific port nodes with endpoint definitions as defined
>> +   in Documentation/devicetree/bindings/media/video-interfaces.txt,
>> +   please refer to the SoC specific binding document:
>> +    * Documentation/devicetree/bindings/drm/imx/hdmi.txt
>> +    * Documentation/devicetree/bindings/video/dw_hdmi-rockchip.txt
>> +
>> +Optional properties
>> +- reg-io-width: the width of the reg:1,4, default set to 1 if not present
>> +- ddc-i2c-bus: phandle of an I2C controller used for DDC EDID probing
>> +- clocks, clock-names: phandle to the HDMI CEC clock, name should be "cec"
>> +
>> +Example:
>> +	hdmi: hdmi at 0120000 {
>> +		compatible = "fsl,imx6q-hdmi";
>> +		reg = <0x00120000 0x9000>;
>> +		interrupts = <0 115 0x04>;
>> +		gpr = <&gpr>;
>> +		clocks = <&clks 123>, <&clks 124>;
>> +		clock-names = "iahb", "isfr";
>> +		ddc-i2c-bus = <&i2c2>;
>> +
>> +		port at 0 {
>> +			reg = <0>;
>> +
>> +			hdmi_mux_0: endpoint {
>> +				remote-endpoint = <&ipu1_di0_hdmi>;
>> +			};
>> +		};
>> +
>> +		port at 1 {
>> +			reg = <1>;
>> +
>> +			hdmi_mux_1: endpoint {
>> +				remote-endpoint = <&ipu1_di1_hdmi>;
>> +			};
>> +		};
>> +	};
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