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SubjectRe: [PATCH v8 2/7] media: dt-binding: nuvoton: Add bindings for NPCM VCD and ECE engine
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On 14/12/2022 10:26, Marvin Lin wrote:
> Add dt-binding document for Video Capture/Differentiation Engine (VCD)
> and Encoding Compression Engine (ECE) present on Nuvoton NPCM SoCs.

Subject: drop second, redundant "bindings for".

>
> Signed-off-by: Marvin Lin <milkfafa@gmail.com>
> ---
> .../bindings/media/nuvoton,npcm-ece.yaml | 44 ++++++++++++
> .../bindings/media/nuvoton,npcm-vcd.yaml | 72 +++++++++++++++++++
> 2 files changed, 116 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/media/nuvoton,npcm-ece.yaml
> create mode 100644 Documentation/devicetree/bindings/media/nuvoton,npcm-vcd.yaml
>
> diff --git a/Documentation/devicetree/bindings/media/nuvoton,npcm-ece.yaml b/Documentation/devicetree/bindings/media/nuvoton,npcm-ece.yaml
> new file mode 100644
> index 000000000000..d12b76d137d9
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/media/nuvoton,npcm-ece.yaml
> @@ -0,0 +1,44 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +

Drop blank line.

> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/media/nuvoton,npcm-ece.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Nuvoton NPCM Encoding Compression Engine
> +
> +maintainers:
> + - Joseph Liu <kwliu@nuvoton.com>
> + - Marvin Lin <kflin@nuvoton.com>
> +
> +description: |
> + Video Encoding Compression Engine (ECE) present on Nuvoton NPCM SoCs.
> +
> +properties:
> + compatible:
> + enum:
> + - nuvoton,npcm750-ece
> + - nuvoton,npcm845-ece
> +
> + reg:
> + maxItems: 1
> +
> + resets:
> + maxItems: 1
> +
> +required:
> + - compatible
> + - reg
> + - resets
> +
> +additionalProperties: false
> +
> +examples:
> + - |
> + #include <dt-bindings/reset/nuvoton,npcm7xx-reset.h>
> +
> + ece: ece@f0820000 {

If this is video codec, then generic node name: "video-codec". "ece" is
specific, not generic.

> + compatible = "nuvoton,npcm750-ece";
> + reg = <0xf0820000 0x2000>;
> + resets = <&rstc NPCM7XX_RESET_IPSRST2 NPCM7XX_RESET_ECE>;
> + };
> diff --git a/Documentation/devicetree/bindings/media/nuvoton,npcm-vcd.yaml b/Documentation/devicetree/bindings/media/nuvoton,npcm-vcd.yaml
> new file mode 100644
> index 000000000000..2d8da8f36506
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/media/nuvoton,npcm-vcd.yaml
> @@ -0,0 +1,72 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +

Drop blank line.

> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/media/nuvoton,npcm-vcd.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Nuvoton NPCM Video Capture/Differentiation Engine
> +
> +maintainers:
> + - Joseph Liu <kwliu@nuvoton.com>
> + - Marvin Lin <kflin@nuvoton.com>
> +
> +description: |
> + Video Capture/Differentiation Engine (VCD) present on Nuvoton NPCM SoCs.
> +
> +properties:
> + compatible:
> + enum:
> + - nuvoton,npcm750-vcd
> + - nuvoton,npcm845-vcd
> +
> + reg:
> + maxItems: 1
> +
> + interrupts:
> + maxItems: 1
> +
> + resets:
> + maxItems: 1
> +
> + nuvoton,sysgcr:
> + $ref: /schemas/types.yaml#/definitions/phandle
> + description: phandle to access GCR (Global Control Register) registers.
> +
> + nuvoton,sysgfxi:
> + $ref: /schemas/types.yaml#/definitions/phandle
> + description: phandle to access GFXI (Graphics Core Information) registers.
> +
> + nuvoton,ece:
> + $ref: /schemas/types.yaml#/definitions/phandle
> + description: phandle to access ECE (Encoding Compression Engine) registers.
> +
> + memory-region:
> + description:
> + CMA pool to use for buffers allocation instead of the default CMA pool.

maxItems: 1

> +
> +required:
> + - compatible
> + - reg
> + - interrupts
> + - resets
> + - nuvoton,sysgcr
> + - nuvoton,sysgfxi
> + - nuvoton,ece
> +
> +additionalProperties: false
> +
>

Best regards,
Krzysztof

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