linux-kernel - Re: [PATCH V2 08/10] dt-bindings: media: nxp,imx8mq-vpu: Add support for G1 and G2 on imx8mm

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Date:   Thu, 16 Dec 2021 15:07:49 -0600
From:   Rob Herring <robh@...nel.org>
To:     Adam Ford <aford173@...il.com>
Cc:     linux-media@...r.kernel.org, abel.vesa@....com,
        aford@...conembedded.com, benjamin.gaignard@...labora.com,
        hverkuil-cisco@...all.nl,
        Ezequiel Garcia <ezequiel@...guardiasur.com.ar>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Shawn Guo <shawnguo@...nel.org>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        Pengutronix Kernel Team <kernel@...gutronix.de>,
        Fabio Estevam <festevam@...il.com>,
        NXP Linux Team <linux-imx@....com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Lucas Stach <l.stach@...gutronix.de>,
        linux-rockchip@...ts.infradead.org, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-staging@...ts.linux.dev
Subject: Re: [PATCH V2 08/10] dt-bindings: media: nxp,imx8mq-vpu: Add support
 for G1 and G2 on imx8mm

On Thu, Dec 16, 2021 at 05:12:53AM -0600, Adam Ford wrote:
> The i.MX8M mini appears to have a similar G1 and G2 decoder but the
> post-procesing isn't present, so different compatible flags are requred.

post-processing

> Since all the other parameters are the same with imx8mq, just add
> the new compatible flags to nxp,imx8mq-vpu.yaml.
> 
> Signed-off-by: Adam Ford <aford173@...il.com>
> 
> diff --git a/Documentation/devicetree/bindings/media/nxp,imx8mq-vpu.yaml b/Documentation/devicetree/bindings/media/nxp,imx8mq-vpu.yaml
> index c1e157251de7..b1f24c48c73b 100644
> --- a/Documentation/devicetree/bindings/media/nxp,imx8mq-vpu.yaml
> +++ b/Documentation/devicetree/bindings/media/nxp,imx8mq-vpu.yaml
> @@ -5,7 +5,7 @@
>  $id: "http://devicetree.org/schemas/media/nxp,imx8mq-vpu.yaml#"
>  $schema: "http://devicetree.org/meta-schemas/core.yaml#"
>  
> -title: Hantro G1/G2 VPU codecs implemented on i.MX8MQ SoCs
> +title: Hantro G1/G2 VPU codecs implemented on i.MX8MQ/i.MX8MM SoCs

Just 'i.MX8' so we don't have to change this everytime?

>  
>  maintainers:
>    - Philipp Zabel <p.zabel@...gutronix.de>
> @@ -20,6 +20,8 @@ properties:
>          deprecated: true
>        - const: nxp,imx8mq-vpu-g1
>        - const: nxp,imx8mq-vpu-g2
> +      - const: nxp,imx8mm-vpu-g1
> +      - const: nxp,imx8mm-vpu-g2

Not compatible with the imx8mq variants?

>  
>    reg:
>      maxItems: 1
> @@ -66,3 +68,27 @@ examples:
>                  clocks = <&clk IMX8MQ_CLK_VPU_G2_ROOT>;
>                  power-domains = <&vpu_blk_ctrl IMX8MQ_VPUBLK_PD_G2>;
>          };
> +  - |
> +        #include <dt-bindings/clock/imx8mm-clock.h>
> +        #include <dt-bindings/power/imx8mm-power.h>
> +        #include <dt-bindings/interrupt-controller/arm-gic.h>
> +
> +        vpu_g1: video-codec@...00000 {
> +                compatible = "nxp,imx8mm-vpu-g1";
> +                reg = <0x38300000 0x10000>;
> +                interrupts = <GIC_SPI 7 IRQ_TYPE_LEVEL_HIGH>;
> +                clocks = <&clk IMX8MM_CLK_VPU_G1_ROOT>;
> +                power-domains = <&vpu_blk_ctrl IMX8MM_VPUBLK_PD_G1>;
> +        };
> +  - |
> +        #include <dt-bindings/clock/imx8mm-clock.h>
> +        #include <dt-bindings/power/imx8mm-power.h>
> +        #include <dt-bindings/interrupt-controller/arm-gic.h>
> +
> +        vpu_g2: video-codec@...00000 {
> +                compatible = "nxp,imx8mm-vpu-g2";
> +                reg = <0x38310000 0x10000>;
> +                interrupts = <GIC_SPI 8 IRQ_TYPE_LEVEL_HIGH>;
> +                clocks = <&clk IMX8MM_CLK_VPU_G2_ROOT>;
> +                power-domains = <&vpu_blk_ctrl IMX8MM_VPUBLK_PD_G2>;
> +        };

No point in more examples just for a different compatible.

> -- 
> 2.32.0
> 
>