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@xxxxxxxxxxxxxx> --- .../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@xxxxxxxxxxxxx> + - Jammy Huang <jammy_huang@xxxxxxxxxxxxxx> + +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@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
