[PATCH v5 1/2] dt-bindings: arm: aspeed: Add aspeed,video binding
Jammy Huang
jammy_huang at aspeedtech.com
Mon Aug 19 18:08:58 AEST 2024
The Video Engine block in ASPEED Silicon SoCs is responsible for video
compressions with a wide range of video quality and compression
ratio options. It can capture and compress video data from digital or
analog sources.
Signed-off-by: Jammy Huang <jammy_huang at aspeedtech.com>
---
.../bindings/arm/aspeed/aspeed,video.yaml | 81 +++++++++++++++++++
1 file changed, 81 insertions(+)
create mode 100644 Documentation/devicetree/bindings/arm/aspeed/aspeed,video.yaml
diff --git a/Documentation/devicetree/bindings/arm/aspeed/aspeed,video.yaml b/Documentation/devicetree/bindings/arm/aspeed/aspeed,video.yaml
new file mode 100644
index 000000000000..bef7bd2f310a
--- /dev/null
+++ b/Documentation/devicetree/bindings/arm/aspeed/aspeed,video.yaml
@@ -0,0 +1,81 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/arm/aspeed/aspeed,video.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: ASPEED Video Engine
+
+maintainers:
+ - Eddie James <eajames at linux.ibm.com>
+ - Jammy Huang <jammy_huang at aspeedtech.com>
+
+description: |
+ The ASPEED video engine can be configured to capture and compress video
+ data from digital or analog sources.
+
+select:
+ properties:
+ compatible:
+ pattern: "^aspeed,ast[0-9]+-video-engine$"
+ required:
+ - compatible
+
+properties:
+ compatible:
+ oneOf:
+ - description: Preferred naming style for compatibles of video components
+ pattern: "^aspeed,ast[0-9]+-video-engine$"
+
+ - enum:
+ - aspeed,ast2400-video-engine
+ - aspeed,ast2500-video-engine
+ - aspeed,ast2600-video-engine
+
+ reg:
+ minItems: 1
+
+ clocks:
+ minItems: 2
+
+ clock-names:
+ items:
+ - const: vclk
+ - const: eclk
+
+ interrupts:
+ minItems: 1
+
+ aspeed,scu:
+ $ref: /schemas/types.yaml#/definitions/phandle
+ description: |
+ Specifies the scu node that is needed if video wants to capture
+ from sources other than Host VGA.
+
+ aspeed,gfx:
+ $ref: /schemas/types.yaml#/definitions/phandle
+ description: |
+ Specifies the Soc Display(gfx) node that needs to be queried to get
+ related information if video wants to use gfx as capture source.
+
+required:
+ - compatible
+ - reg
+ - clocks
+ - clock-names
+ - interrupts
+
+additionalProperties: true
+
+examples:
+ - |
+ video: video at 1e700000 {
+ compatible = "aspeed,ast2600-video-engine";
+ reg = <0x1e700000 0x1000>;
+ clocks = <&syscon ASPEED_CLK_GATE_VCLK>,
+ <&syscon ASPEED_CLK_GATE_ECLK>;
+ clock-names = "vclk", "eclk";
+ interrupts = <GIC_SPI 7 IRQ_TYPE_LEVEL_HIGH>;
+ aspeed,scu = <&syscon>;
+ aspeed,gfx = <&gfx>;
+ };
--
2.25.1
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