[PATCH v2 01/13] dt-bindings: media: mediatek: add camisp binding

[CK Hu (胡俊光)]

On Mon, 2025-07-07 at 09:31 +0800, shangyao lin wrote:
> From: "shangyao.lin" <shangyao.lin at mediatek.com>
> 
> Add camera isp7x module device document.
> 
> ---
> 
> Changes in v2:
>   - Rename binding file to mediatek,mt8188-camisp.yaml
>   - Split bindings into four separate patches (one per YAML file)
>   - Various fixes per review comments
>   - Update maintainers list
> 
> Signed-off-by: shangyao.lin <shangyao.lin at mediatek.com>
> ---
>  .../mediatek/mediatek,mt8188-camisp.yaml      | 68 +++++++++++++++++++
>  1 file changed, 68 insertions(+)
>  create mode 100755 Documentation/devicetree/bindings/media/mediatek/mediatek,mt8188-camisp.yaml
> 
> diff --git a/Documentation/devicetree/bindings/media/mediatek/mediatek,mt8188-camisp.yaml b/Documentation/devicetree/bindings/media/mediatek/mediatek,mt8188-camisp.yaml
> new file mode 100755
> index 000000000000..53dbf5152e78
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/media/mediatek/mediatek,mt8188-camisp.yaml
> @@ -0,0 +1,68 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +# Copyright (c) 2024 MediaTek Inc.
> +%YAML 1.2
> +---
> +$id: https://urldefense.com/v3/__http://devicetree.org/schemas/media/mediatek/mediatek,camisp.yaml*__;Iw!!CTRNKA9wMg0ARbw!lF1heQiKVAbFIXXXQfR2iaCncLFFZQ6cRvhFJYGAj3MUbQkTc7AvH3yPBQjlsJy3RzRtOShBXxc4egYMq4Eka6A$ 
> +$schema: https://urldefense.com/v3/__http://devicetree.org/meta-schemas/core.yaml*__;Iw!!CTRNKA9wMg0ARbw!lF1heQiKVAbFIXXXQfR2iaCncLFFZQ6cRvhFJYGAj3MUbQkTc7AvH3yPBQjlsJy3RzRtOShBXxc4egYMBse--Nk$ 
> +
> +title: The camisp unit of MediaTek ISP system
> +
> +maintainers:
> +  - Shangyao Lin <shangyao.lin at mediatek.com>
> +  - Shu-hsiang Yang <shu-hsiang.yang at mediatek.com>
> +  - Shun-yi Wang <shun-yi.wang at mediatek.com>
> +  - Teddy Chen <teddy.chen at mediatek.com>
> +
> +description:
> +  MediaTek camisp is the ISP auxiliary unit for camera system in MediaTek SoC.
> +
> +properties:
> +  compatible:
> +    const: mediatek,mt8188-camisp
> +
> +  reg:
> +    minItems: 1
> +    maxItems: 1
> +    description:
> +      Base address of the camisp hardware block.
> +
> +  reg-names:
> +    items:
> +      - const: base
> +    minItems: 1
> +    maxItems: 1
> +    description:
> +      Name for the register region. Must be "base".
> +
> +  power-domains:
> +    minItems: 1
> +    maxItems: 1
> +    description: Power domain for the camisp block.
> +
> +  mediatek,scp:
> +    description: MediaTek co-process unit for ISP system
> +    $ref: /schemas/types.yaml#/definitions/phandle
> +
> +required:
> +  - compatible
> +  - reg
> +  - reg-names
> +  - power-domains
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    #include <dt-bindings/power/mediatek,mt8188-power.h>
> +
> +    soc {
> +      isp at 16000000 {
> +        compatible = "mediatek,mt8188-camisp";

In [1], I has already says in the same address, it should not have more than one device with different compatible.
Follow [1] to modify.

[1] https://patchwork.kernel.org/project/linux-mediatek/patch/20241009111551.27052-2-Shu-hsiang.Yang@mediatek.com/#26114958

Regards,
CK

> +        reg = <0 0x16000000 0 0x1000>;
> +        reg-names = "base";
> +        mediatek,scp = <&scp_dual>;
> +        power-domains = <&spm MT8188_POWER_DOMAIN_CAM_MAIN>;
> +      };
> +    };
> +
> +...
> \ No newline at end of file

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