Re: [PATCH v2, 03/10] dt-bindings: media: mtk-vcodec: Adds encoder cores dt-bindings for mt8195

[AngeloGioacchino Del Regno]

Il 17/01/22 13:06, Irui Wang ha scritto:
> Adds encoder cores dt-bindings for mt8195
>
> Signed-off-by: Irui Wang <irui.wang@xxxxxxxxxxxx>
> ---
>   .../media/mediatek,vcodec-encoder-core.yaml   | 214 ++++++++++++++++++
>   1 file changed, 214 insertions(+)
>   create mode 100644 Documentation/devicetree/bindings/media/mediatek,vcodec-encoder-core.yaml
>
> diff --git a/Documentation/devicetree/bindings/media/mediatek,vcodec-encoder-core.yaml b/Documentation/devicetree/bindings/media/mediatek,vcodec-encoder-core.yaml
> new file mode 100644
> index 000000000000..d1e7bfa50bce
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/media/mediatek,vcodec-encoder-core.yaml
> @@ -0,0 +1,214 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +
> +%YAML 1.2
> +---
> +$id: "http://devicetree.org/schemas/media/mediatek,vcodec-encoder-core.yaml#";
> +$schema: "http://devicetree.org/meta-schemas/core.yaml#";
> +
> +title: Mediatek Video Encoder Accelerator With Multi Core
> +
> +maintainers:
> +  - Irui Wang <irui.wang@xxxxxxxxxxxx>
> +
> +description: |
> +  Mediatek Video Encode is the video encode hardware present in Mediatek
> +  SoCs which supports high resolution encoding functionalities. Required
> +  parent and child device node.
> +
> +properties:
> +  compatible:
> +    const: mediatek,mt8195-vcodec-enc
> +
> +  mediatek,scp:
> +    $ref: /schemas/types.yaml#/definitions/phandle
> +    maxItems: 1
> +    description: |
> +      The node of system control processor (SCP), using
> +      the remoteproc & rpmsg framework.
> +
> +  iommus:
> +    minItems: 1
> +    maxItems: 32
> +    description: |
> +      List of the hardware port in respective IOMMU block for current Socs.
> +      Refer to bindings/iommu/mediatek,iommu.yaml.
> +
> +  dma-ranges:
> +    maxItems: 1
> +    description: |
> +      Describes the physical address space of IOMMU maps to memory.
> +
> +  "#address-cells":
> +    const: 1
> +
> +  "#size-cells":
> +    const: 1
> +
> +  ranges: true
> +
> +# Required child node:
> +patternProperties:
> +  "venc_core0@1a020000":

This should be a pattern, venc-coreN where N is a number between 0 and 9,
and any iostart should be allowed, not just 1a020000; doing it that way
allows you to do a spec for all the core subnodes in one.


> +    type: object
> +
> +    properties:
> +      compatible:
> +        const: mediatek,mtk-venc-core0
> +

..snip..

> +
> +required:
> +  - compatible
> +  - mediatek,scp
> +  - iommus
> +  - dma-ranges
> +  - ranges
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    #include <dt-bindings/interrupt-controller/arm-gic.h>
> +    #include <dt-bindings/memory/mt8195-memory-port.h>
> +    #include <dt-bindings/interrupt-controller/irq.h>
> +    #include <dt-bindings/clock/mt8195-clk.h>
> +    #include <dt-bindings/power/mt8195-power.h>
> +
> +    venc {
> +        compatible = "mediatek,mt8195-vcodec-enc";
> +        mediatek,scp = <&scp>;
> +        iommus = <&iommu_vdo M4U_PORT_L19_VENC_RCPU>;
> +        dma-ranges = <0x1 0x0 0x0 0x40000000 0x0 0xfff00000>;
> +        #address-cells = <1>;
> +        #size-cells = <1>;
> +        ranges;

What about doing instead...

#address-cells = <2>;
#size-cells = <2>;
(or fix your dma-ranges property)

and...

ranges = <0 0 0 0x1a020000 0 0x1020000>;
    venc-core0@0 {
        compatible = "mediatek,mtk-venc-hw";
        reg = <0 0 0 0x10000>;
        mediatek,hw-leader;
         ..... other properties .....
    };

    venc-core1@1000000 {
        compatible = "mediatek,mtk-venc-hw";
        reg = <0 0x1000000 0 0x10000>;
         ..... other properties .....
    }

Regards,
Angelo

> +
> +        venc_core0@1a020000 {
> +            compatible = "mediatek,mtk-venc-core0";
> +            reg = <0x1a020000 0x10000>;
> +            iommus = <&iommu_vdo M4U_PORT_L19_VENC_RCPU>,
> +                     <&iommu_vdo M4U_PORT_L19_VENC_REC>,
> +                     <&iommu_vdo M4U_PORT_L19_VENC_BSDMA>,
> +                     <&iommu_vdo M4U_PORT_L19_VENC_SV_COMV>,
> +                     <&iommu_vdo M4U_PORT_L19_VENC_RD_COMV>,
> +                     <&iommu_vdo M4U_PORT_L19_VENC_CUR_LUMA>,
> +                     <&iommu_vdo M4U_PORT_L19_VENC_CUR_CHROMA>,
> +                     <&iommu_vdo M4U_PORT_L19_VENC_REF_LUMA>,
> +                     <&iommu_vdo M4U_PORT_L19_VENC_REF_CHROMA>;
> +            interrupts = <GIC_SPI 341 IRQ_TYPE_LEVEL_HIGH 0>;
> +            clocks = <&vencsys CLK_VENC_VENC>;
> +            clock-names = "MT_CG_VENC0";
> +            assigned-clocks = <&topckgen CLK_TOP_VENC>;
> +            assigned-clock-parents = <&topckgen CLK_TOP_UNIVPLL_D4>;
> +            power-domains = <&spm MT8195_POWER_DOMAIN_VENC>;
> +        };
> +
> +        venc_core1@1b020000 {
> +            compatible = "mediatek,mtk-venc-core1";
> +            reg = <0x1b020000 0x10000>;
> +            iommus = <&iommu_vpp M4U_PORT_L20_VENC_RCPU>,
> +                     <&iommu_vpp M4U_PORT_L20_VENC_REC>,
> +                     <&iommu_vpp M4U_PORT_L20_VENC_BSDMA>,
> +                     <&iommu_vpp M4U_PORT_L20_VENC_SV_COMV>,
> +                     <&iommu_vpp M4U_PORT_L20_VENC_RD_COMV>,
> +                     <&iommu_vpp M4U_PORT_L20_VENC_CUR_LUMA>,
> +                     <&iommu_vpp M4U_PORT_L20_VENC_CUR_CHROMA>,
> +                     <&iommu_vpp M4U_PORT_L20_VENC_REF_LUMA>,
> +                     <&iommu_vpp M4U_PORT_L20_VENC_REF_CHROMA>;
> +            interrupts = <GIC_SPI 346 IRQ_TYPE_LEVEL_HIGH 0>;
> +            clocks = <&vencsys_core1 CLK_VENC_CORE1_VENC>;
> +            clock-names = "MT_CG_VENC1";
> +            assigned-clocks = <&topckgen CLK_TOP_VENC>;
> +            assigned-clock-parents = <&topckgen CLK_TOP_UNIVPLL_D4>;
> +            power-domains = <&spm MT8195_POWER_DOMAIN_VENC_CORE1>;
> +        };
> +    };