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Message-ID: <7d191871-1025-43a3-20bf-8fc6b3f92c89@linaro.org>
Date:   Mon, 23 Jan 2023 09:07:32 +0100
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Li Chen <lchen@...arella.com>, Li Chen <me@...ux.beauty>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>
Cc:     "moderated list:ARM/Ambarella SoC support" 
        <linux-arm-kernel@...ts.infradead.org>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@...r.kernel.org>,
        open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 04/15] dt-bindings: arm: add support for Ambarella SoC

On 23/01/2023 08:32, Li Chen wrote:
> Create a vendor directory for Ambarella, and add
> cpuid, rct, scratchpad documents.
> 
> Signed-off-by: Li Chen <lchen@...arella.com>
> Change-Id: I2c29e45c08666489b0d9b588ac37d713f5b723d1

Please run scripts/checkpatch.pl and fix reported warnings.

Applies to all your patches. Also test them... I have doubts that you
tested if you actually ignored checkpatch :/

> ---
>  .../arm/ambarella/ambarella,cpuid.yaml        | 24 +++++++++++++++++++
>  .../bindings/arm/ambarella/ambarella,rct.yaml | 24 +++++++++++++++++++
>  .../arm/ambarella/ambarella,scratchpad.yaml   | 24 +++++++++++++++++++
>  .../bindings/arm/ambarella/ambarella.yaml     | 22 +++++++++++++++++
>  MAINTAINERS                                   |  4 ++++
>  5 files changed, 98 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/arm/ambarella/ambarella,cpuid.yaml
>  create mode 100644 Documentation/devicetree/bindings/arm/ambarella/ambarella,rct.yaml
>  create mode 100644 Documentation/devicetree/bindings/arm/ambarella/ambarella,scratchpad.yaml
>  create mode 100644 Documentation/devicetree/bindings/arm/ambarella/ambarella.yaml
> 
> diff --git a/Documentation/devicetree/bindings/arm/ambarella/ambarella,cpuid.yaml b/Documentation/devicetree/bindings/arm/ambarella/ambarella,cpuid.yaml
> new file mode 100644
> index 000000000000..1f4d9cec8f92
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/arm/ambarella/ambarella,cpuid.yaml

This goes to soc

> @@ -0,0 +1,24 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/clock/ambarella,cpuid.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Ambarella SoC ID
> +
> +maintainers:
> +  - Li Chen <lchen@...arella.com>

Missing description.

> +
> +properties:
> +  compatible:
> +    const: "ambarella,cpuid", "syscon"

Drop quotes (applies to all your patches)

Missing SoC specific compatible.

> +
> +  reg:
> +    maxItems: 1

Missing additionalProperties. sorry, start from scratch from some
existing recent bindings or better example-schema.

> +
> +examples:
> +  - |
> +    cpuid_syscon: cpuid@...00000 {
> +        compatible = "ambarella,cpuid", "syscon";
> +        reg = <0xe0000000 0x1000>;
> +    };
> diff --git a/Documentation/devicetree/bindings/arm/ambarella/ambarella,rct.yaml b/Documentation/devicetree/bindings/arm/ambarella/ambarella,rct.yaml
> new file mode 100644
> index 000000000000..7279bab17d9e
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/arm/ambarella/ambarella,rct.yaml
> @@ -0,0 +1,24 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/clock/ambarella,rct.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Ambarella RCT module
> +
> +maintainers:
> +  - Li Chen <lchen@...arella.com>
> +
> +properties:
> +  compatible:
> +    const: "ambarella,rct", "syscon"

All the same problems.

> +
> +  reg:
> +    maxItems: 1
> +
> +examples:
> +  - |
> +		rct_syscon: rct_syscon@...80000 {

Really? Just take a look and you will see wrong indentation. Also drop
underscores in node names and "rct". Node names should be generic.


> +        compatible = "ambarella,rct", "syscon";
> +        reg = <0xed080000 0x1000>;
> +    };
> diff --git a/Documentation/devicetree/bindings/arm/ambarella/ambarella,scratchpad.yaml b/Documentation/devicetree/bindings/arm/ambarella/ambarella,scratchpad.yaml
> new file mode 100644
> index 000000000000..5d2bd243b5c9
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/arm/ambarella/ambarella,scratchpad.yaml
> @@ -0,0 +1,24 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/clock/ambarella,scratchpad.yaml#

That's not a clock controller!


> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Ambarella Scratchpad
> +
> +maintainers:
> +  - Li Chen <lchen@...arella.com>
> +
> +properties:
> +  compatible:
> +    const: "ambarella,scratchpad", "syscon"
> +
> +  reg:
> +    maxItems: 1
> +
> +examples:
> +  - |
> +    scratchpad_syscon: scratchpad_syscon@...22000 {

All the same problems.

> +        compatible = "ambarella,scratchpad", "syscon";
> +        reg = <0xe0022000 0x100>;
> +    };
> diff --git a/Documentation/devicetree/bindings/arm/ambarella/ambarella.yaml b/Documentation/devicetree/bindings/arm/ambarella/ambarella.yaml
> new file mode 100644
> index 000000000000..5991bd745c05
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/arm/ambarella/ambarella.yaml
> @@ -0,0 +1,22 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/arm/ambarella.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Ambarella SoC Device Tree Bindings
> +
> +maintainers:
> +  - Li Chen <lchen@...arella.com>
> +
> +properties:
> +  $nodename:
> +    const: "/"
> +  compatible:
> +    oneOf:
> +      - description: Ambarella SoC based platforms
> +        items:
> +          - enum:
> +              - ambarella,s6lm

What is this? How do you expect it to apply? Can you try by yourself?


Best regards,
Krzysztof

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