[PATCH v13 04/15] dt-bindings: display: mediatek: dsc: add yaml for mt8195 SoC binding
jason-jh.lin
jason-jh.lin at mediatek.com
Mon Nov 29 10:44:28 PST 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>
Reviewed-by: Chun-Kuang Hu <chunkuang.hu at kernel.org>
---
.../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 at kernel.org>
+ - Philipp Zabel <p.zabel at 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 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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