Re: [PATCH v8 03/13] dt-bindings: mediatek: add mediatek, dsc.yaml for mt8195 SoC binding
From: Chun-Kuang Hu <chunkuang.hu@kernel.org>
Date: 2021-08-21 23:14:32
Also in:
dri-devel, linux-arm-kernel, linux-devicetree, lkml
Hi, Jason: jason-jh.lin [off-list ref] 於 2021年8月19日 週四 上午10:23寫道：
quoted hunk ↗ jump to hunk
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 <redacted> --- .../display/mediatek/mediatek,dsc.yaml | 69 +++++++++++++++++++ 1 file changed, 69 insertions(+) create mode 100644 Documentation/devicetree/bindings/display/mediatek/mediatek,dsc.yamldiff --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..f94a95c6a1c5 --- /dev/null +++ b/Documentation/devicetree/bindings/display/mediatek/mediatek,dsc.yaml@@ -0,0 +1,69 @@ +# 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: + - CK Hu <ck.hu@mediatek.com>
According to [1], the maintainer should be Chun-Kuang Hu [off-list ref], Philipp Zabel [off-list ref] [1] https://www.kernel.org/doc/html/latest/process/maintainers.html
+
+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,
+ 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.
+ $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>;
+ };
+
--
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