RE: [PATCH v6] media: dt-bindings: aspeed,video-engine: Convert to json schema

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Hi Andrew,

Thanks for your feedback, please find my explanation below.

> 
> On Thu, 2025-02-13 at 09:53 +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@xxxxxxxxxxxxxx>
> > ---
> >  v6:
> >   - Remove new properties in example.
> >
> >  v5:
> >   - Don't put additional changes in this commit.
> >
> >  v4:
> >   - Keep | after phandle description to fix dt_binding_check error.
> >
> >  v3:
> >   - Add Additional changes into comments.
> >   - Remove | after phandle description
> >
> >  v2:
> >   - Update patch subject
> >   - Add NOTE for false positive warning
> > ---
> >  .../bindings/media/aspeed,video-engine.yaml   | 70
> > +++++++++++++++++++
> >  .../bindings/media/aspeed-video.txt           | 33 ---------
> >  MAINTAINERS                                   |  2
> +-
> >  3 files changed, 71 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..682bba20778c
> > --- /dev/null
> > +++ b/Documentation/devicetree/bindings/media/aspeed,video-engine.yaml
> > @@ -0,0 +1,70 @@
> > +# 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@xxxxxxxxxxxxx>
> > +
> > +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
> > +
> > +required:
> > +  - compatible
> > +  - reg
> > +  - clocks
> > +  - clock-names
> > +  - interrupts
> 
> This should list `resets` as well, as that wasn't optional in the text binding.
> 
'resets' is not listed as required here is because ASPEED handle reset in the clock driver
in ast2600/ast2500/..., etc. So I keep this part identical as previous aspeed-video.txt.

> > +
> > +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";
> 
> I guess it's not much of a concern that the example is different...
> 
> Andrew
> 
> > +        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>;
> > +    };
> > 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@xxxxxxxxxxxxx>
> >  L:     linux-media@xxxxxxxxxxxxxxx
> >  L:     openbmc@xxxxxxxxxxxxxxxx (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





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