1. Add mediatek,dsc.yaml to decribe DSC module in details. 2. Add mt8195 SoC binding to mediatek,dsc.yaml. Signed-off-by: jason-jh.lin <jason-jh.lin@xxxxxxxxxxxx> --- .../display/mediatek/mediatek,dsc.yaml | 73 +++++++++++++++++++ 1 file changed, 73 insertions(+) create mode 100644 Documentation/devicetree/bindings/display/mediatek/mediatek,dsc.yaml diff --git a/Documentation/devicetree/bindings/display/mediatek/mediatek,dsc.yaml b/Documentation/devicetree/bindings/display/mediatek/mediatek,dsc.yaml new file mode 100644 index 000000000000..f575532bfb21 --- /dev/null +++ b/Documentation/devicetree/bindings/display/mediatek/mediatek,dsc.yaml @@ -0,0 +1,73 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/display/mediatek/mediatek,dsc.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: mediatek DSC Controller Device Tree Bindings + +maintainers: + - CK Hu <ck.hu@xxxxxxxxxxxx> + - Jitao shi <jitao.shi@xxxxxxxxxxxx> + - Jason-JH Lin <jason-jh.lin@xxxxxxxxxxxx> + +description: | + The DSC standard is a specification of the algorithms used for + compressing and decompressing image display streams, including + the specification of the syntax and semantics of the compressed + video bit stream. DSC is designed for real-time systems with + real-time compression, transmission, decompression and Display. + +properties: + compatible: + oneOf: + - items: + - const: mediatek,mt8195-disp-dsc + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + clocks: + items: + - description: DSC Wrapper Clock + + power-domains: + description: A phandle and PM domain specifier as defined by bindings of + the power controller specified by phandle. See + Documentation/devicetree/bindings/power/power-domain.yaml for details. + + mediatek,gce-client-reg: + description: The register of display function block to be set by gce. + There are 4 arguments in this property, 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/include/dt-bindings/gce/<chip>-gce.h of each chips. + For example, The mediatek,gce-client-reg property of OVL in mt8173 is + <&gce SUBSYS_1400XXXX 0xc000 0x1000>. + $ref: /schemas/types.yaml#/definitions/phandle-array + maxItems: 1 + +required: + - compatible + - reg + - interrupts + - clocks + +additionalProperties: false + +examples: + - | + dsc0: disp_dsc_wrap@1c009000 { + compatible = "mediatek,mt8195-disp-dsc"; + reg = <0 0x1c009000 0 0x1000>; + interrupts = <GIC_SPI 645 IRQ_TYPE_LEVEL_HIGH 0>; + power-domains = <&spm MT8195_POWER_DOMAIN_VDOSYS0>; + clocks = <&vdosys0 CLK_VDO0_DSC_WRAP0>; + mediatek,gce-client-reg = + <&gce1 SUBSYS_1c00XXXX 0x9000 0x1000>; + }; + +... -- 2.18.0
