On Fri, Sep 06, 2019 at 03:54:28PM +0200, Jacopo Mondi wrote: > 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@xxxxxxxxxx> > --- > .../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 For new bindings: GPL-2.0-only OR BSD-2-Clause > +%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@xxxxxxxxxxxxxxxx> > + - Kieran Bingham <kieran.bingham+renesas@xxxxxxxxxxxxxxxx> > + - Jacopo Mondi <jacopo+renesas@xxxxxxxxxx> > + > +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 This allows 10 valid cases when I imagine there's only really 5. I'm okay leaving it, but might be better to split into 2 under a 'oneOf'. I imagine there will be a lot of these for Renesas, so just be consistent. > + 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 >
