Hi Laurent,
Thanks for your patch.
On 2018-02-22 15:13:33 +0200, Laurent Pinchart wrote:
> The Renesas R-Car Gen2 and Gen3 SoCs have internal LVDS encoders. Add
> corresponding device tree bindings.
>
> Signed-off-by: Laurent Pinchart <laurent.pinchart+rene...@ideasonboard.com>
> Reviewed-by: Rob Herring <r...@kernel.org>
> ---
> Changes since v1:
>
> - Move the SoC name before the IP name in compatible strings
> - Rename parallel input to parallel RGB input
> - Fixed "renesas,r8a7743-lvds" description
> - Document the resets property
> - Fixed typo
> ---
> .../bindings/display/bridge/renesas,lvds.txt | 56
> ++++++++++++++++++++++
> MAINTAINERS | 1 +
> 2 files changed, 57 insertions(+)
> create mode 100644
> Documentation/devicetree/bindings/display/bridge/renesas,lvds.txt
>
> diff --git
> a/Documentation/devicetree/bindings/display/bridge/renesas,lvds.txt
> b/Documentation/devicetree/bindings/display/bridge/renesas,lvds.txt
> new file mode 100644
> index 000000000000..2b19ce51ec07
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/display/bridge/renesas,lvds.txt
> @@ -0,0 +1,56 @@
> +Renesas R-Car LVDS Encoder
> +==========================
> +
> +These DT bindings describe the LVDS encoder embedded in the Renesas R-Car
> +Gen2, R-Car Gen3 and RZ/G SoCs.
> +
> +Required properties:
> +
> +- compatible : Shall contain one of
> + - "renesas,r8a7743-lvds" for R8A7743 (RZ/G1M) compatible LVDS encoders
> + - "renesas,r8a7790-lvds" for R8A7790 (R-Car H2) compatible LVDS encoders
> + - "renesas,r8a7791-lvds" for R8A7791 (R-Car M2-W) compatible LVDS encoders
> + - "renesas,r8a7793-lvds" for R8A7791 (R-Car M2-N) compatible LVDS encoders
Small typo here s/R8A7791/R8A7793/, with that fixed
Reviewed-by: Niklas Söderlund <niklas.soderlund+rene...@ragnatech.se>
> + - "renesas,r8a7795-lvds" for R8A7795 (R-Car H3) compatible LVDS encoders
> + - "renesas,r8a7796-lvds" for R8A7796 (R-Car M3-W) compatible LVDS encoders
> +
> +- reg: Base address and length for the memory-mapped registers
> +- clocks: A phandle + clock-specifier pair for the functional clock
> +- resets: A phandle + reset specifier for the module reset
> +
> +Required nodes:
> +
> +The LVDS encoder has two video ports. Their connections are modelled using
> the
> +OF graph bindings specified in Documentation/devicetree/bindings/graph.txt.
> +
> +- Video port 0 corresponds to the parallel RGB input
> +- Video port 1 corresponds to the LVDS output
> +
> +Each port shall have a single endpoint.
> +
> +
> +Example:
> +
> + lvds0: lvds@feb90000 {
> + compatible = "renesas,r8a7790-lvds";
> + reg = <0 0xfeb90000 0 0x1c>;
> + clocks = <&cpg CPG_MOD 726>;
> + resets = <&cpg 726>;
> +
> + ports {
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + port@0 {
> + reg = <0>;
> + lvds0_in: endpoint {
> + remote-endpoint = <&du_out_lvds0>;
> + };
> + };
> + port@1 {
> + reg = <1>;
> + lvds0_out: endpoint {
> + };
> + };
> + };
> + };
> diff --git a/MAINTAINERS b/MAINTAINERS
> index 2afba909724c..13c8ec11135a 100644
> --- a/MAINTAINERS
> +++ b/MAINTAINERS
> @@ -4744,6 +4744,7 @@ F: drivers/gpu/drm/rcar-du/
> F: drivers/gpu/drm/shmobile/
> F: include/linux/platform_data/shmob_drm.h
> F: Documentation/devicetree/bindings/display/bridge/renesas,dw-hdmi.txt
> +F: Documentation/devicetree/bindings/display/bridge/renesas,lvds.txt
> F: Documentation/devicetree/bindings/display/renesas,du.txt
>
> DRM DRIVERS FOR ROCKCHIP
> --
> Regards,
>
> Laurent Pinchart
>
--
Regards,
Niklas Söderlund
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