Re: [PATCH v1 17/18] dt-bindings: media: nxp,imx8mq-vpu: Update bindings

[Rob Herring <robh@kernel.org>]

On Wed, Feb 17, 2021 at 09:03:05AM +0100, Benjamin Gaignard wrote:
> The introduction on HEVC decoder lead to update the bindings
> to support it.
> 
> Signed-off-by: Benjamin Gaignard <benjamin.gaignard@collabora.com>
> Signed-off-by: Ezequiel Garcia <ezequiel@collabora.com>
> Signed-off-by: Adrian Ratiu <adrian.ratiu@collabora.com>
> ---
>  .../bindings/media/nxp,imx8mq-vpu.yaml        | 54 ++++++++++++-------
>  1 file changed, 36 insertions(+), 18 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/media/nxp,imx8mq-vpu.yaml b/Documentation/devicetree/bindings/media/nxp,imx8mq-vpu.yaml
> index 762be3f96ce9..468435c70eef 100644
> --- a/Documentation/devicetree/bindings/media/nxp,imx8mq-vpu.yaml
> +++ b/Documentation/devicetree/bindings/media/nxp,imx8mq-vpu.yaml
> @@ -15,24 +15,25 @@ description:
>  
>  properties:
>    compatible:
> -    const: nxp,imx8mq-vpu
> +    enum:
> +      - nxp,imx8mq-vpu
> +      - nxp,imx8mq-vpu-g2
>  
>    reg:
> -    maxItems: 3
> +    maxItems: 1
>  
>    reg-names:
> -    items:
> -      - const: g1
> -      - const: g2
> -      - const: ctrl
> +    enum:
> +      - g1
> +      - g2

This isn't a compatible change. You need to state why that's okay if it 
is okay.

>  
>    interrupts:
> -    maxItems: 2
> +    maxItems: 1
>  
>    interrupt-names:
> -    items:
> -      - const: g1
> -      - const: g2
> +    enum:
> +      - g1
> +      - g2
>  
>    clocks:
>      maxItems: 3
> @@ -46,6 +47,9 @@ properties:
>    power-domains:
>      maxItems: 1
>  
> +  resets:
> +    maxItems: 1
> +
>  required:
>    - compatible
>    - reg
> @@ -54,6 +58,7 @@ required:
>    - interrupt-names
>    - clocks
>    - clock-names
> +  - resets
>  
>  additionalProperties: false
>  
> @@ -61,19 +66,32 @@ examples:
>    - |
>          #include <dt-bindings/clock/imx8mq-clock.h>
>          #include <dt-bindings/interrupt-controller/arm-gic.h>
> +        #include <dt-bindings/reset/imx8mq-vpu-reset.h>
>  
> -        vpu: video-codec@38300000 {
> +        vpu_g1: video-codec@38300000 {
>                  compatible = "nxp,imx8mq-vpu";
> -                reg = <0x38300000 0x10000>,
> -                      <0x38310000 0x10000>,
> -                      <0x38320000 0x10000>;
> -                reg-names = "g1", "g2", "ctrl";
> -                interrupts = <GIC_SPI 7 IRQ_TYPE_LEVEL_HIGH>,
> -                             <GIC_SPI 8 IRQ_TYPE_LEVEL_HIGH>;
> -                interrupt-names = "g1", "g2";
> +                reg = <0x38300000 0x10000>;
> +                reg-names = "g1";
> +                interrupts = <GIC_SPI 7 IRQ_TYPE_LEVEL_HIGH>;
> +                interrupt-names = "g1";
> +                clocks = <&clk IMX8MQ_CLK_VPU_G1_ROOT>,
> +                         <&clk IMX8MQ_CLK_VPU_G2_ROOT>,
> +                         <&clk IMX8MQ_CLK_VPU_DEC_ROOT>;
> +                clock-names = "g1", "g2", "bus";
> +                power-domains = <&pgc_vpu>;
> +                resets = <&vpu_reset IMX8MQ_RESET_VPU_RESET_G1>;
> +        };
> +
> +        vpu_g2: video-codec@38310000 {
> +                compatible = "nxp,imx8mq-vpu-g2";
> +                reg = <0x38310000 0x10000>;
> +                reg-names = "g2";
> +                interrupts = <GIC_SPI 8 IRQ_TYPE_LEVEL_HIGH>;
> +                interrupt-names = "g2";
>                  clocks = <&clk IMX8MQ_CLK_VPU_G1_ROOT>,
>                           <&clk IMX8MQ_CLK_VPU_G2_ROOT>,
>                           <&clk IMX8MQ_CLK_VPU_DEC_ROOT>;
>                  clock-names = "g1", "g2", "bus";
>                  power-domains = <&pgc_vpu>;
> +                resets = <&vpu_reset IMX8MQ_RESET_VPU_RESET_G2>;
>          };
> -- 
> 2.25.1
> 

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