Re: [PATCH] dt-bindings: media: convert aspeed-video.txt to dt-schema

[Conor Dooley <conor@kernel.org>]

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On Tue, Feb 04, 2025 at 02:28:22PM +0800, Jammy Huang wrote:
> Convert aspeed-video.txt to yaml format.
> Update aspeed-video.txt to aspeed,video-engine.yaml in MAINTAINER file.
> 
> Signed-off-by: Jammy Huang <jammy_huang@aspeedtech.com>
> ---
>  .../bindings/media/aspeed,video-engine.yaml   | 84 +++++++++++++++++++
>  .../bindings/media/aspeed-video.txt           | 33 --------
>  MAINTAINERS                                   |  2 +-
>  3 files changed, 85 insertions(+), 34 deletions(-)
>  create mode 100644 Documentation/devicetree/bindings/media/aspeed,video-engine.yaml
>  delete mode 100644 Documentation/devicetree/bindings/media/aspeed-video.txt
> 
> diff --git a/Documentation/devicetree/bindings/media/aspeed,video-engine.yaml b/Documentation/devicetree/bindings/media/aspeed,video-engine.yaml
> new file mode 100644
> index 000000000000..c66ae6b53cbb
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/media/aspeed,video-engine.yaml
> @@ -0,0 +1,84 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/media/aspeed,video-engine.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: ASPEED Video Engine
> +
> +maintainers:
> +  - Eddie James <eajames@linux.ibm.com>
> +
> +description:
> +  The Video Engine (VE) embedded in the ASPEED SOCs can be configured to
> +  capture and compress video data from digital or analog sources.
> +
> +properties:
> +  compatible:
> +    enum:
> +      - aspeed,ast2400-video-engine
> +      - aspeed,ast2500-video-engine
> +      - aspeed,ast2600-video-engine
> +
> +  reg:
> +    maxItems: 1
> +
> +  clocks:
> +    maxItems: 2
> +
> +  clock-names:
> +    items:
> +      - const: vclk
> +      - const: eclk
> +
> +  resets:
> +    maxItems: 1
> +
> +  interrupts:
> +    maxItems: 1
> +
> +  memory-region:
> +    maxItems: 1
> +    description: |
> +      Phandle to the reserved memory nodes to be associated with the
> +      VE. VE will acquires memory space for 3 purposes:
> +        1. JPEG header
> +        2. Compressed result
> +        3. Temporary transformed image data
> +
> +  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.

These two phandle properties are new and not mentioned in your commit
message. Why have they been added?

> +
> +required:
> +  - compatible
> +  - reg
> +  - clocks
> +  - clock-names
> +  - interrupts
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    #include <dt-bindings/interrupt-controller/arm-gic.h>
> +    #include <dt-bindings/clock/ast2600-clock.h>
> +
> +    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>;
> +    };
> diff --git a/Documentation/devicetree/bindings/media/aspeed-video.txt b/Documentation/devicetree/bindings/media/aspeed-video.txt
> deleted file mode 100644
> index d2ca32512272..000000000000
> --- a/Documentation/devicetree/bindings/media/aspeed-video.txt
> +++ /dev/null
> @@ -1,33 +0,0 @@
> -* Device tree bindings for Aspeed Video Engine
> -
> -The Video Engine (VE) embedded in the Aspeed AST2400/2500/2600 SOCs can
> -capture and compress video data from digital or analog sources.
> -
> -Required properties:
> - - compatible:		"aspeed,ast2400-video-engine" or
> -			"aspeed,ast2500-video-engine" or
> -			"aspeed,ast2600-video-engine"
> - - reg:			contains the offset and length of the VE memory region
> - - clocks:		clock specifiers for the syscon clocks associated with
> -			the VE (ordering must match the clock-names property)
> - - clock-names:		"vclk" and "eclk"
> - - resets:		reset specifier for the syscon reset associated with
> -			the VE
> - - interrupts:		the interrupt associated with the VE on this platform
> -
> -Optional properties:
> - - memory-region:
> -	phandle to a memory region to allocate from, as defined in
> -	Documentation/devicetree/bindings/reserved-memory/reserved-memory.txt
> -
> -Example:
> -
> -video-engine@1e700000 {
> -    compatible = "aspeed,ast2500-video-engine";
> -    reg = <0x1e700000 0x20000>;
> -    clocks = <&syscon ASPEED_CLK_GATE_VCLK>, <&syscon ASPEED_CLK_GATE_ECLK>;
> -    clock-names = "vclk", "eclk";
> -    resets = <&syscon ASPEED_RESET_VIDEO>;
> -    interrupts = <7>;
> -    memory-region = <&video_engine_memory>;
> -};
> diff --git a/MAINTAINERS b/MAINTAINERS
> index 896a307fa065..7e59daa1e89d 100644
> --- a/MAINTAINERS
> +++ b/MAINTAINERS
> @@ -3549,7 +3549,7 @@ M:	Eddie James <eajames@linux.ibm.com>
>  L:	linux-media@vger.kernel.org
>  L:	openbmc@lists.ozlabs.org (moderated for non-subscribers)
>  S:	Maintained
> -F:	Documentation/devicetree/bindings/media/aspeed-video.txt
> +F:	Documentation/devicetree/bindings/media/aspeed,video-engine.yaml
>  F:	drivers/media/platform/aspeed/
>  
>  ASUS EC HARDWARE MONITOR DRIVER
> 
> base-commit: 2014c95afecee3e76ca4a56956a936e23283f05b
> -- 
> 2.25.1
> 

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