| Message ID | 20210921155218.10387-5-jason-jh.lin@mediatek.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | Add Mediatek Soc DRM (vdosys0) support for mt8195 | expand |
Hi, Jason: jason-jh.lin <jason-jh.lin@mediatek.com> 於 2021年9月21日 週二 下午11:52寫道： > > 1. Add mediatek,dsc.yaml to describe DSC module in details. > 2. Add mt8195 SoC binding to mediatek,dsc.yaml. Reviewed-by: Chun-Kuang Hu <chunkuang.hu@kernel.org> > > Signed-off-by: jason-jh.lin <jason-jh.lin@mediatek.com> > --- > .../display/mediatek/mediatek,dsc.yaml | 71 +++++++++++++++++++ > 1 file changed, 71 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..1ec083eff824 > --- /dev/null > +++ b/Documentation/devicetree/bindings/display/mediatek/mediatek,dsc.yaml > @@ -0,0 +1,71 @@ > +# 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 display DSC controller > + > +maintainers: > + - Chun-Kuang Hu <chunkuang.hu@kernel.org> > + - Philipp Zabel <p.zabel@pengutronix.de> > + > +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 client driver can be configured by gce with 4 arguments > + defined in this property, such as phandle of gce, subsys id, > + register offset and size. > + Each subsys id is mapping to a base address of display function blocks > + register which is defined in the gce header > + include/dt-bindings/gce/<chip>-gce.h. > + $ref: /schemas/types.yaml#/definitions/phandle-array > + maxItems: 1 > + > +required: > + - compatible > + - reg > + - interrupts > + - power-domains > + - clocks > + > +additionalProperties: false > + > +examples: > + - | > + > + dsc0: disp_dsc_wrap@1c009000 { > + compatible = "mediatek,mt8195-disp-dsc"; > + reg = <0 0x1c009000 0 0x1000>; > + interrupts = <GIC_SPI 645 IRQ_TYPE_LEVEL_HIGH 0>; > + power-domains = <&spm MT8195_POWER_DOMAIN_VDOSYS0>; > + clocks = <&vdosys0 CLK_VDO0_DSC_WRAP0>; > + mediatek,gce-client-reg = <&gce1 SUBSYS_1c00XXXX 0x9000 0x1000>; > + }; > -- > 2.18.0 >
diff --git a/Documentation/devicetree/bindings/display/mediatek/mediatek,dsc.yaml b/Documentation/devicetree/bindings/display/mediatek/mediatek,dsc.yaml new file mode 100644 index 000000000000..1ec083eff824 --- /dev/null +++ b/Documentation/devicetree/bindings/display/mediatek/mediatek,dsc.yaml @@ -0,0 +1,71 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/display/mediatek/mediatek,dsc.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: mediatek display DSC controller + +maintainers: + - Chun-Kuang Hu <chunkuang.hu@kernel.org> + - Philipp Zabel <p.zabel@pengutronix.de> + +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 client driver can be configured by gce with 4 arguments + defined in this property, such as phandle of gce, subsys id, + register offset and size. + Each subsys id is mapping to a base address of display function blocks + register which is defined in the gce header + include/dt-bindings/gce/<chip>-gce.h. + $ref: /schemas/types.yaml#/definitions/phandle-array + maxItems: 1 + +required: + - compatible + - reg + - interrupts + - power-domains + - 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>; + };
1. Add mediatek,dsc.yaml to describe DSC module in details. 2. Add mt8195 SoC binding to mediatek,dsc.yaml. Signed-off-by: jason-jh.lin <jason-jh.lin@mediatek.com> --- .../display/mediatek/mediatek,dsc.yaml | 71 +++++++++++++++++++ 1 file changed, 71 insertions(+) create mode 100644 Documentation/devicetree/bindings/display/mediatek/mediatek,dsc.yaml