On Wed, Nov 2, 2016 at 2:23 PM, Niklas Söderlund
<niklas.soderlund+renesas@xxxxxxxxxxxx> wrote:
> Document the Gen3 devicetree bindings. The new bindings are all handled
> in the port@1 node, if a endpoint is described as on Gen2 in port@0 the
an endpoint
> driver will work in Gen2 mode and this is supported on Gen3. The new
> CSI-2 video sources are only supported on Gen3.
>
> Signed-off-by: Niklas Söderlund <niklas.soderlund+renesas@xxxxxxxxxxxx>
> ---
> .../devicetree/bindings/media/rcar_vin.txt | 116 +++++++++++++++++++--
> 1 file changed, 106 insertions(+), 10 deletions(-)
>
> diff --git a/Documentation/devicetree/bindings/media/rcar_vin.txt b/Documentation/devicetree/bindings/media/rcar_vin.txt
> index 6a4e61c..a51cf70 100644
> --- a/Documentation/devicetree/bindings/media/rcar_vin.txt
> +++ b/Documentation/devicetree/bindings/media/rcar_vin.txt
> @@ -2,8 +2,12 @@ Renesas RCar Video Input driver (rcar_vin)
> ------------------------------------------
>
> The rcar_vin device provides video input capabilities for the Renesas R-Car
> -family of devices. The current blocks are always slaves and suppot one input
> -channel which can be either RGB, YUYV or BT656.
> +family of devices.
> +
> +On Gen2 the current blocks are always slaves and support one input channel
> +which can be either RGB, YUYV or BT656. On Gen3 the current blocks are
> +always slaves and support multiple input channels which can be ether RGB,
either
> +YUVU, BT656 or CSI-2.
> @@ -92,6 +105,89 @@ Board setup example (vin1 composite video input)
> };
> };
>
> +Device node example Gen3
> +------------------------
> +
> + aliases {
> + vin0 = &vin0;
> + };
> +
> + vin1: video@e6ef1000 {
> + compatible = "renesas,vin-r8a7796";
> + reg = <0 0xe6ef1000 0 0x1000>;
> + interrupts = <0 189 IRQ_TYPE_LEVEL_HIGH>;
> + clocks = <&cpg CPG_MOD 810>;
> + power-domains = <&cpg>;
Please update the power-domains property to match reality.
> + status = "disabled";
> +
> + ports {
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + port@1 {
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + reg = <1>;
> +
> + vin1csi20: endpoint@0 {
> + reg = <0>;
> + remote-endpoint= <&csi20vin1>;
> + };
> + };
> + };
> + };
> +
> + csi20: csi2@fea80000 {
> + compatible = "renesas,r8a7796-csi2";
> + reg = <0 0xfea80000 0 0x10000>;
> + interrupts = <0 184 IRQ_TYPE_LEVEL_HIGH>;
> + clocks = <&cpg CPG_MOD 714>;
> + power-domains = <&cpg>;
Likewise.
> + status = "disabled";
> +
> + ports {
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + port@1 {
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + reg = <1>;
> +
> + csi20vin1: endpoint@1 {
> + reg = <1>;
> + remote-endpoint = <&vin1csi20>;
> + };
> + };
> + };
> + };
--
Gr{oetje,eeting}s,
Geert
--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx
In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds
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