linux-kernel - Re: [PATCH v4 03/11] media: dt-bindings: Add bindings for i.MX8QXP/QM JPEG driver

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Message-ID: <20201104223837.GA49021@bogus>
Date:   Wed, 4 Nov 2020 16:38:37 -0600
From:   Rob Herring <robh@...nel.org>
To:     "Mirela Rabulea (OSS)" <mirela.rabulea@....nxp.com>
Cc:     mchehab@...nel.org, hverkuil-cisco@...all.nl, shawnguo@...nel.org,
        paul.kocialkowski@...tlin.com, linux-media@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-imx@....com,
        s.hauer@...gutronix.de, aisheng.dong@....com,
        daniel.baluta@....com, robert.chiras@....com,
        laurentiu.palcu@....com, mark.rutland@....com,
        devicetree@...r.kernel.org, p.zabel@...gutronix.de,
        ezequiel@...labora.com, laurent.pinchart+renesas@...asonboard.com,
        niklas.soderlund+renesas@...natech.se,
        dafna.hirschfeld@...labora.com,
        Mirela Rabulea <mirela.rabulea@....com>
Subject: Re: [PATCH v4 03/11] media: dt-bindings: Add bindings for
 i.MX8QXP/QM JPEG driver

On Mon, Nov 02, 2020 at 05:08:13AM +0200, Mirela Rabulea (OSS) wrote:
> From: Mirela Rabulea <mirela.rabulea@....com>
> 
> Add bindings documentation for i.MX8QXP/QM JPEG decoder & encoder driver.
> 
> Signed-off-by: Mirela Rabulea <mirela.rabulea@....com>
> ---
>  .../devicetree/bindings/media/imx8-jpeg.yaml  | 83 +++++++++++++++++++
>  1 file changed, 83 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/media/imx8-jpeg.yaml
> 
> diff --git a/Documentation/devicetree/bindings/media/imx8-jpeg.yaml b/Documentation/devicetree/bindings/media/imx8-jpeg.yaml
> new file mode 100644
> index 000000000000..2df538d87bfd
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/media/imx8-jpeg.yaml
> @@ -0,0 +1,83 @@
> +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/media/imx8-jpeg.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: i.MX8QXP/QM JPEG decoder/encoder Device Tree Bindings
> +
> +maintainers:
> +  - Mirela Rabulea <mirela.rabulea@....com>
> +
> +description: |-
> +  The JPEG decoder/encoder present in.MXQXP/QM SoC is an
> +  ISO/IEC 10918-1 JPEG standard compliant decoder/encoder, for Baseline
> +  and Extended Sequential DCT modes.
> +
> +properties:
> +  compatible:
> +    items:
> +      - enum:
> +            # JPEG decoder
> +          - fsl,imx8-jpgdec
> +            # JPEG encoder
> +          - fsl,imx8-jpgenc

Which imx8? Should be SoC specific.

> +
> +  reg:
> +    maxItems: 1
> +
> +  interrupts:
> +    description: |
> +      There are 4 slots available in the IP
> +      If a certain slot is used, it should have an associated interrupt
> +    minItems: 1               # At least one slot should be available
> +    maxItems: 4               # The IP has 4 slots available for use

You don't need to know which slot is available?

> +
> +  power-domains:
> +    description:
> +      List of phandle and PM domain specifier as documented in
> +      Documentation/devicetree/bindings/power/power_domain.txt
> +    minItems: 2               # Wrapper and 1 slot
> +    maxItems: 5               # Wrapper and 4 slots
> +
> +required:
> +  - compatible
> +  - reg
> +  - interrupts
> +  - power-domains
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    #include <dt-bindings/interrupt-controller/arm-gic.h>
> +    #include <dt-bindings/firmware/imx/rsrc.h>
> +
> +    jpegdec: jpegdec@...00000 {
> +        compatible = "fsl,imx8-jpgdec";
> +        reg = <0x58400000 0x00050000 >;
> +        interrupts = <GIC_SPI 309 IRQ_TYPE_LEVEL_HIGH>,
> +                     <GIC_SPI 310 IRQ_TYPE_LEVEL_HIGH>,
> +                     <GIC_SPI 311 IRQ_TYPE_LEVEL_HIGH>,
> +                     <GIC_SPI 312 IRQ_TYPE_LEVEL_HIGH>;
> +        power-domains = <&pd IMX_SC_R_MJPEG_DEC_MP>,
> +                        <&pd IMX_SC_R_MJPEG_DEC_S0>,
> +                        <&pd IMX_SC_R_MJPEG_DEC_S1>,
> +                        <&pd IMX_SC_R_MJPEG_DEC_S2>,
> +                        <&pd IMX_SC_R_MJPEG_DEC_S3>;
> +    };
> +
> +    jpegenc: jpegenc@...50000 {
> +        compatible = "fsl,imx8-jpgenc";
> +        reg = <0x58450000 0x00050000 >;
> +        interrupts = <GIC_SPI 305 IRQ_TYPE_LEVEL_HIGH>,
> +                     <GIC_SPI 306 IRQ_TYPE_LEVEL_HIGH>,
> +                     <GIC_SPI 307 IRQ_TYPE_LEVEL_HIGH>,
> +                     <GIC_SPI 308 IRQ_TYPE_LEVEL_HIGH>;
> +        power-domains = <&pd IMX_SC_R_MJPEG_ENC_MP>,
> +                        <&pd IMX_SC_R_MJPEG_ENC_S0>,
> +                        <&pd IMX_SC_R_MJPEG_ENC_S1>,
> +                        <&pd IMX_SC_R_MJPEG_ENC_S2>,
> +                        <&pd IMX_SC_R_MJPEG_ENC_S3>;
> +    };
> +...
> -- 
> 2.17.1
>