[PATCH 2/3] dt-bindings: add Silicon Image SiI8620 bridge bindings

Rob Herring robh at kernel.org
Tue Dec 8 19:47:47 PST 2015


On Tue, Dec 08, 2015 at 02:49:05PM +0100, Andrzej Hajda wrote:
> SiI8620 transmitter converts eTMDS/HDMI signal to MHL 3.0. It is controlled
> via I2C bus.
> 
> Signed-off-by: Andrzej Hajda <a.hajda at samsung.com>
> ---
>  .../bindings/video/bridge/sil-sii8620.txt          | 34 ++++++++++++++++++++++
>  1 file changed, 34 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/video/bridge/sil-sii8620.txt
> 
> diff --git a/Documentation/devicetree/bindings/video/bridge/sil-sii8620.txt b/Documentation/devicetree/bindings/video/bridge/sil-sii8620.txt
> new file mode 100644
> index 0000000..29f3f35
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/video/bridge/sil-sii8620.txt
> @@ -0,0 +1,34 @@
> +Silicon Image SiI8620 bridge bindings

Bridging what to what?

> +
> +Required properties:
> +	- compatible: "sil,sii8620"
> +	- reg: i2c address of the bridge
> +	- cvcc10-supply: Digital Core Supply Voltage (1.0V)
> +	- iovcc18-supply: I/O Supply Voltage (1.8V)
> +	- int-gpios: gpio specifier of INT pin

Assuming INT means interrupt, this should use interrupts property.

> +	- reset-gpios: gpio specifier of RESET pin
> +	- clocks, clock-names: specification and name of "xtal" clock
> +	- video interfaces: Device node can contain video interface port
> +			    node for HDMI encoder according to [1].
> +
> +[1]: Documentation/devicetree/bindings/media/video-interfaces.txt
> +
> +Example:
> +	sii8620 at 39 {
> +		reg = <0x39>;
> +		compatible = "sil,sii8620";
> +		cvcc10-supply = <&ldo36_reg>;
> +		iovcc18-supply = <&ldo34_reg>;
> +		int-gpio = <&gpf0 2 0>;
> +		reset-gpio = <&gpv7 0 0>;
> +		clocks = <&pmu_system_controller 0>;
> +		clock-names = "xtal";

> +		assigned-clocks = <&pmu_system_controller 0>;
> +		assigned-clock-parents = <&xxti>;

These aren't listed in the doc.

> +
> +		port {
> +			mhl_to_hdmi: endpoint {
> +				remote-endpoint = <&hdmi_to_mhl>;
> +			};
> +		};

I'd like to see this have a port to a connector node, too. Possibly
that can come later.

Rob


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