Add the fundamental hardware configuration of component TCC, which is controlled by MDP3 on MT8195. Signed-off-by: Moudy Ho <moudy.ho@xxxxxxxxxxxx> Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@xxxxxxxxxxxxx> Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx> --- .../bindings/media/mediatek,mdp3-tcc.yaml | 62 +++++++++++++++++++ 1 file changed, 62 insertions(+) create mode 100644 Documentation/devicetree/bindings/media/mediatek,mdp3-tcc.yaml diff --git a/Documentation/devicetree/bindings/media/mediatek,mdp3-tcc.yaml b/Documentation/devicetree/bindings/media/mediatek,mdp3-tcc.yaml new file mode 100644 index 000000000000..14ea556d4f82 --- /dev/null +++ b/Documentation/devicetree/bindings/media/mediatek,mdp3-tcc.yaml @@ -0,0 +1,62 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/media/mediatek,mdp3-tcc.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: MediaTek Media Data Path 3 Tone Curve Conversion + +maintainers: + - Matthias Brugger <matthias.bgg@xxxxxxxxx> + +description: + Tone Curve Conversion (TCC) is one of Media Profile Path 3 (MDP3) components. + It is used to handle the tone mapping of various gamma curves in order to + achieve HDR10 effects. This helps adapt the content to the color and + brightness range that standard display devices typically support. + +properties: + compatible: + enum: + - mediatek,mt8195-mdp3-tcc + + reg: + maxItems: 1 + + mediatek,gce-client-reg: + description: + The register of display function block to be set by gce. There are 4 arguments, + such as gce node, subsys id, offset and register size. The subsys id that is + mapping to the register of display function blocks is defined in the gce header + include/dt-bindings/gce/<chip>-gce.h of each chips. + $ref: /schemas/types.yaml#/definitions/phandle-array + items: + items: + - description: phandle of GCE + - description: GCE subsys id + - description: register offset + - description: register size + maxItems: 1 + + clocks: + maxItems: 1 + +required: + - compatible + - reg + - mediatek,gce-client-reg + - clocks + +additionalProperties: false + +examples: + - | + #include <dt-bindings/clock/mt8195-clk.h> + #include <dt-bindings/gce/mt8195-gce.h> + + display@1400b000 { + compatible = "mediatek,mt8195-mdp3-tcc"; + reg = <0x1400b000 0x1000>; + mediatek,gce-client-reg = <&gce1 SUBSYS_1400XXXX 0xb000 0x1000>; + clocks = <&vppsys0 CLK_VPP0_MDP_TCC>; + }; -- 2.18.0
