Re: [PATCH v5 03/14] ARM: shmobile: r8a7791: Add DU node to device tree

[Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>]

Hello.

On 10/26/2014 05:11 PM, Laurent Pinchart wrote:

> Add the DU device with a disabled state. Boards that want to enable the
> DU need to specify the output topology
>
> Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
> ---
>   arch/arm/boot/dts/r8a7791.dtsi | 30 ++++++++++++++++++++++++++++++
>   1 file changed, 30 insertions(+)
>
> diff --git a/arch/arm/boot/dts/r8a7791.dtsi b/arch/arm/boot/dts/r8a7791.dtsi
> index 74f18d89a35f..6b06a7665fae 100644
> --- a/arch/arm/boot/dts/r8a7791.dtsi
> +++ b/arch/arm/boot/dts/r8a7791.dtsi
> @@ -695,6 +695,36 @@
>   		renesas,#wpf = <4>;
>   	};
>
> +	du: display@feb00000 {
> +		compatible = "renesas,du-r8a7791";
> +		reg = <0 0xfeb00000 0 0x40000>,
> +		      <0 0xfeb90000 0 0x1c>;
> +		reg-names = "du", "lvds.0";
> +		interrupts = <0 256 IRQ_TYPE_LEVEL_HIGH>,
> +			     <0 268 IRQ_TYPE_LEVEL_HIGH>;
> +		clocks = <&mstp7_clks R8A7791_CLK_DU0>,
> +			 <&mstp7_clks R8A7791_CLK_DU1>,
> +			 <&mstp7_clks R8A7791_CLK_LVDS0>;
> +		clock-names = "du.0", "du.1", "lvds.0";
> +		status = "disabled";
> +
> +		ports {
> +			#address-cells = <1>;
> +			#size-cells = <0>;
> +
> +			port@0 {
> +				reg = <0>;
> +				du_out_rgb: endpoint {
> +				};
> +			};
> +			port@1 {
> +				reg = <1>;
> +				du_out_lvds0: endpoint {
> +				};

    Hm, my manual tell me LVDS is supported on DU0 only for R8A7791/3...

[...]

MBR, Sergei