Add device tree bindings documentation for the Renesas R-Car Display Unit Color Management Module.
CMM is the image enhancement module available on each R-Car DU video channel on R-Car Gen2 and Gen3 SoCs (V3H and V3M excluded).
Signed-off-by: Jacopo Mondi jacopo+renesas@jmondi.org --- .../bindings/display/renesas,cmm.yaml | 64 +++++++++++++++++++ 1 file changed, 64 insertions(+) create mode 100644 Documentation/devicetree/bindings/display/renesas,cmm.yaml
diff --git a/Documentation/devicetree/bindings/display/renesas,cmm.yaml b/Documentation/devicetree/bindings/display/renesas,cmm.yaml new file mode 100644 index 000000000000..9e5922689cd7 --- /dev/null +++ b/Documentation/devicetree/bindings/display/renesas,cmm.yaml @@ -0,0 +1,64 @@ +# SPDX-License-Identifier: GPL-2.0 +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/display/renesas,cmm.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Renesas R-Car Color Management Module (CMM) + +maintainers: + - Laurent Pinchart laurent.pinchart@ideasonboard.com + - Kieran Bingham kieran.bingham+renesas@ideasonboard.com + - Jacopo Mondi jacopo+renesas@jmondi.org + +description: |+ + Renesas R-Car color management module connected to R-Car DU video channels. + It provides image enhancement functions such as 1-D look-up tables (LUT), + 3-D look-up tables (CMU), 1D-histogram generation (HGO), and color + space conversion (CSC). + +properties: + compatible: + items: + - enum: + - renesas,r8a7795-cmm + - renesas,r8a7796-cmm + - renesas,r8a77965-cmm + - renesas,r8a77990-cmm + - renesas,r8a77995-cmm + - enum: + - renesas,rcar-gen3-cmm + - renesas,rcar-gen2-cmm + reg: + maxItems: 1 + + clocks: + maxItems: 1 + + resets: + maxItems: 1 + + power-domains: + maxItems: 1 + +required: + - compatible + - reg + - clocks + - resets + - power-domains + +additionalProperties: false + +examples: + - | + #include <dt-bindings/clock/r8a7796-cpg-mssr.h> + #include <dt-bindings/power/r8a7796-sysc.h> + + cmm0: cmm@fea40000 { + compatible = "renesas,r8a7796-cmm"; + reg = <0 0xfea40000 0 0x1000>; + power-domains = <&sysc R8A7796_PD_ALWAYS_ON>; + clocks = <&cpg CPG_MOD 711>; + resets = <&cpg 711>; + }; -- 2.23.0