[PATCH v7 03/13] dt-bindings: mediatek: add mediatek, dsc.yaml for mt8195 SoC binding
jason-jh.lin
jason-jh.lin at mediatek.com
Sun Aug 15 07:56:00 PDT 2021
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 at mediatek.com>
---
.../display/mediatek/mediatek,dsc.yaml | 69 +++++++++++++++++++
1 file changed, 69 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..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 at mediatek.com>
+
+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 at 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
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