Hi Sam,
On Mon, Jun 29, 2020 at 10:10:01AM +0200, Sam Ravnborg wrote:
> On Fri, May 15, 2020 at 12:42:11AM +0300, Laurent Pinchart wrote:
> > Convert the Renesas R-Car LVDS encoder text binding to YAML.
> >
> > Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@xxxxxxxxxxxxxxxx>
> > Acked-by: Maxime Ripard <mripard@xxxxxxxxxx>
> > ---
> > Changes since v1:
> >
> > - Mention RZ/G1 and R2/G2 explicitly
> > - Drop the part numbers in comments, only keep the SoC names
> > - Use one address and size cell in the examples
>
> Seems this was not picked up so I went ahead and applied to
> drm-misc-next.
I was planning to send a pull request with other DT bindings conversion,
but merging it earlier is better :-) Thank you.
> > ---
> > .../bindings/display/bridge/renesas,lvds.txt | 85 ------
> > .../bindings/display/bridge/renesas,lvds.yaml | 248 ++++++++++++++++++
> > 2 files changed, 248 insertions(+), 85 deletions(-)
> > delete mode 100644 Documentation/devicetree/bindings/display/bridge/renesas,lvds.txt
> > create mode 100644 Documentation/devicetree/bindings/display/bridge/renesas,lvds.yaml
> >
> > diff --git a/Documentation/devicetree/bindings/display/bridge/renesas,lvds.txt b/Documentation/devicetree/bindings/display/bridge/renesas,lvds.txt
> > deleted file mode 100644
> > index c62ce2494ed9..000000000000
> > --- a/Documentation/devicetree/bindings/display/bridge/renesas,lvds.txt
> > +++ /dev/null
> > @@ -1,85 +0,0 @@
> > -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,r8a7744-lvds" for R8A7744 (RZ/G1N) compatible LVDS encoders
> > - - "renesas,r8a774a1-lvds" for R8A774A1 (RZ/G2M) compatible LVDS encoders
> > - - "renesas,r8a774b1-lvds" for R8A774B1 (RZ/G2N) compatible LVDS encoders
> > - - "renesas,r8a774c0-lvds" for R8A774C0 (RZ/G2E) 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 R8A7793 (R-Car M2-N) compatible LVDS encoders
> > - - "renesas,r8a7795-lvds" for R8A7795 (R-Car H3) compatible LVDS encoders
> > - - "renesas,r8a7796-lvds" for R8A7796 (R-Car M3-W) compatible LVDS encoders
> > - - "renesas,r8a77965-lvds" for R8A77965 (R-Car M3-N) compatible LVDS encoders
> > - - "renesas,r8a77970-lvds" for R8A77970 (R-Car V3M) compatible LVDS encoders
> > - - "renesas,r8a77980-lvds" for R8A77980 (R-Car V3H) compatible LVDS encoders
> > - - "renesas,r8a77990-lvds" for R8A77990 (R-Car E3) compatible LVDS encoders
> > - - "renesas,r8a77995-lvds" for R8A77995 (R-Car D3) compatible LVDS encoders
> > -
> > -- reg: Base address and length for the memory-mapped registers
> > -- clocks: A list of phandles + clock-specifier pairs, one for each entry in
> > - the clock-names property.
> > -- clock-names: Name of the clocks. This property is model-dependent.
> > - - The functional clock, which mandatory for all models, shall be listed
> > - first, and shall be named "fck".
> > - - On R8A77990, R8A77995 and R8A774C0, the LVDS encoder can use the EXTAL or
> > - DU_DOTCLKINx clocks. Those clocks are optional. When supplied they must be
> > - named "extal" and "dclkin.x" respectively, with "x" being the DU_DOTCLKIN
> > - numerical index.
> > - - When the clocks property only contains the functional clock, the
> > - clock-names property may be omitted.
> > -- 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.
> > -
> > -Optional properties:
> > -
> > -- renesas,companion : phandle to the companion LVDS encoder. This property is
> > - mandatory for the first LVDS encoder on D3 and E3 SoCs, and shall point to
> > - the second encoder to be used as a companion in dual-link mode. It shall not
> > - be set for any other LVDS encoder.
> > -
> > -
> > -Example:
> > -
> > - lvds0: lvds@feb90000 {
> > - compatible = "renesas,r8a77990-lvds";
> > - reg = <0 0xfeb90000 0 0x20>;
> > - clocks = <&cpg CPG_MOD 727>;
> > - power-domains = <&sysc R8A77990_PD_ALWAYS_ON>;
> > - resets = <&cpg 727>;
> > -
> > - renesas,companion = <&lvds1>;
> > -
> > - 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/Documentation/devicetree/bindings/display/bridge/renesas,lvds.yaml b/Documentation/devicetree/bindings/display/bridge/renesas,lvds.yaml
> > new file mode 100644
> > index 000000000000..98c7330a9485
> > --- /dev/null
> > +++ b/Documentation/devicetree/bindings/display/bridge/renesas,lvds.yaml
> > @@ -0,0 +1,248 @@
> > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> > +%YAML 1.2
> > +---
> > +$id: http://devicetree.org/schemas/display/bridge/renesas,lvds.yaml#
> > +$schema: http://devicetree.org/meta-schemas/core.yaml#
> > +
> > +title: Renesas R-Car LVDS Encoder
> > +
> > +maintainers:
> > + - Laurent Pinchart <laurent.pinchart+renesas@xxxxxxxxxxxxxxxx>
> > +
> > +description: |
> > + These DT bindings describe the LVDS encoder embedded in the Renesas R-Car
> > + Gen2, R-Car Gen3, RZ/G1 and RZ/G2 SoCs.
> > +
> > +properties:
> > + compatible:
> > + enum:
> > + - renesas,r8a7743-lvds # for RZ/G1M compatible LVDS encoders
> > + - renesas,r8a7744-lvds # for RZ/G1N compatible LVDS encoders
> > + - renesas,r8a774a1-lvds # for RZ/G2M compatible LVDS encoders
> > + - renesas,r8a774b1-lvds # for RZ/G2N compatible LVDS encoders
> > + - renesas,r8a774c0-lvds # for RZ/G2E compatible LVDS encoders
> > + - renesas,r8a7790-lvds # for R-Car H2 compatible LVDS encoders
> > + - renesas,r8a7791-lvds # for R-Car M2-W compatible LVDS encoders
> > + - renesas,r8a7793-lvds # for R-Car M2-N compatible LVDS encoders
> > + - renesas,r8a7795-lvds # for R-Car H3 compatible LVDS encoders
> > + - renesas,r8a7796-lvds # for R-Car M3-W compatible LVDS encoders
> > + - renesas,r8a77965-lvds # for R-Car M3-N compatible LVDS encoders
> > + - renesas,r8a77970-lvds # for R-Car V3M compatible LVDS encoders
> > + - renesas,r8a77980-lvds # for R-Car V3H compatible LVDS encoders
> > + - renesas,r8a77990-lvds # for R-Car E3 compatible LVDS encoders
> > + - renesas,r8a77995-lvds # for R-Car D3 compatible LVDS encoders
> > +
> > + reg:
> > + maxItems: 1
> > +
> > + clocks:
> > + minItems: 1
> > + maxItems: 4
> > +
> > + clock-names:
> > + minItems: 1
> > + maxItems: 4
> > +
> > + resets:
> > + maxItems: 1
> > +
> > + ports:
> > + type: object
> > + description: |
> > + This device has two video ports. Their connections are modelled using the
> > + OF graph bindings specified in Documentation/devicetree/bindings/graph.txt.
> > + Each port shall have a single endpoint.
> > +
> > + properties:
> > + '#address-cells':
> > + const: 1
> > +
> > + '#size-cells':
> > + const: 0
> > +
> > + port@0:
> > + type: object
> > + description: Parallel RGB input port
> > +
> > + port@1:
> > + type: object
> > + description: LVDS output port
> > +
> > + required:
> > + - port@0
> > + - port@1
> > +
> > + additionalProperties: false
> > +
> > + power-domains:
> > + maxItems: 1
> > +
> > + renesas,companion:
> > + $ref: /schemas/types.yaml#/definitions/phandle
> > + description:
> > + phandle to the companion LVDS encoder. This property is mandatory
> > + for the first LVDS encoder on D3 and E3 SoCs, and shall point to
> > + the second encoder to be used as a companion in dual-link mode. It
> > + shall not be set for any other LVDS encoder.
> > +
> > +required:
> > + - compatible
> > + - reg
> > + - clocks
> > + - power-domains
> > + - resets
> > + - ports
> > +
> > +if:
> > + properties:
> > + compatible:
> > + enum:
> > + - renesas,r8a774c0-lvds
> > + - renesas,r8a77990-lvds
> > + - renesas,r8a77995-lvds
> > +then:
> > + properties:
> > + clocks:
> > + minItems: 1
> > + maxItems: 4
> > + items:
> > + - description: Functional clock
> > + - description: EXTAL input clock
> > + - description: DU_DOTCLKIN0 input clock
> > + - description: DU_DOTCLKIN1 input clock
> > +
> > + clock-names:
> > + minItems: 1
> > + maxItems: 4
> > + items:
> > + - const: fck
> > + # The LVDS encoder can use the EXTAL or DU_DOTCLKINx clocks.
> > + # These clocks are optional.
> > + - enum:
> > + - extal
> > + - dclkin.0
> > + - dclkin.1
> > + - enum:
> > + - extal
> > + - dclkin.0
> > + - dclkin.1
> > + - enum:
> > + - extal
> > + - dclkin.0
> > + - dclkin.1
> > +
> > + required:
> > + - clock-names
> > +
> > +else:
> > + properties:
> > + clocks:
> > + maxItems: 1
> > + items:
> > + - description: Functional clock
> > +
> > + clock-names:
> > + maxItems: 1
> > + items:
> > + - const: fck
> > +
> > + renesas,companion: false
> > +
> > +additionalProperties: false
> > +
> > +examples:
> > + - |
> > + #include <dt-bindings/clock/renesas-cpg-mssr.h>
> > + #include <dt-bindings/power/r8a7795-sysc.h>
> > +
> > + lvds@feb90000 {
> > + compatible = "renesas,r8a7795-lvds";
> > + reg = <0xfeb90000 0x14>;
> > + clocks = <&cpg CPG_MOD 727>;
> > + power-domains = <&sysc R8A7795_PD_ALWAYS_ON>;
> > + resets = <&cpg 727>;
> > +
> > + ports {
> > + #address-cells = <1>;
> > + #size-cells = <0>;
> > +
> > + port@0 {
> > + reg = <0>;
> > + lvds_in: endpoint {
> > + remote-endpoint = <&du_out_lvds0>;
> > + };
> > + };
> > + port@1 {
> > + reg = <1>;
> > + lvds_out: endpoint {
> > + remote-endpoint = <&panel_in>;
> > + };
> > + };
> > + };
> > + };
> > +
> > + - |
> > + #include <dt-bindings/clock/renesas-cpg-mssr.h>
> > + #include <dt-bindings/power/r8a77990-sysc.h>
> > +
> > + lvds0: lvds@feb90000 {
> > + compatible = "renesas,r8a77990-lvds";
> > + reg = <0xfeb90000 0x20>;
> > + clocks = <&cpg CPG_MOD 727>,
> > + <&x13_clk>,
> > + <&extal_clk>;
> > + clock-names = "fck", "dclkin.0", "extal";
> > + power-domains = <&sysc R8A77990_PD_ALWAYS_ON>;
> > + resets = <&cpg 727>;
> > +
> > + renesas,companion = <&lvds1>;
> > +
> > + 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 {
> > + remote-endpoint = <&panel_in1>;
> > + };
> > + };
> > + };
> > + };
> > +
> > + lvds1: lvds@feb90100 {
> > + compatible = "renesas,r8a77990-lvds";
> > + reg = <0xfeb90100 0x20>;
> > + clocks = <&cpg CPG_MOD 727>,
> > + <&x13_clk>,
> > + <&extal_clk>;
> > + clock-names = "fck", "dclkin.0", "extal";
> > + power-domains = <&sysc R8A77990_PD_ALWAYS_ON>;
> > + resets = <&cpg 726>;
> > +
> > + ports {
> > + #address-cells = <1>;
> > + #size-cells = <0>;
> > +
> > + port@0 {
> > + reg = <0>;
> > + lvds1_in: endpoint {
> > + remote-endpoint = <&du_out_lvds1>;
> > + };
> > + };
> > + port@1 {
> > + reg = <1>;
> > + lvds1_out: endpoint {
> > + remote-endpoint = <&panel_in2>;
> > + };
> > + };
> > + };
> > + };
> > +
> > +...
--
Regards,
Laurent Pinchart
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