linux-kernel - Re: [PATCH 2/3] dt-bindings: SPI: Add Ingenic SFC bindings.

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Date:   Fri, 22 Jul 2022 19:46:51 +0200
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     周琰杰 (Zhou Yanjie) 
        <zhouyanjie@...yeetech.com>, tudor.ambarus@...rochip.com,
        p.yadav@...com, michael@...le.cc, miquel.raynal@...tlin.com,
        richard@....at, vigneshr@...com, broonie@...nel.org,
        robh+dt@...nel.org, krzysztof.kozlowski+dt@...aro.org
Cc:     linux-mtd@...ts.infradead.org, linux-spi@...r.kernel.org,
        linux-mips@...r.kernel.org, linux-kernel@...r.kernel.org,
        devicetree@...r.kernel.org, aidanmacdonald.0x0@...il.com,
        tmn505@...il.com, paul@...pouillou.net, dongsheng.qiu@...enic.com,
        aric.pzqi@...enic.com, rick.tyliu@...enic.com,
        jinghui.liu@...enic.com, sernia.zhou@...mail.com,
        reimu@...omaker.com
Subject: Re: [PATCH 2/3] dt-bindings: SPI: Add Ingenic SFC bindings.

On 22/07/2022 18:48, 周琰杰 (Zhou Yanjie) wrote:
> Add the SFC bindings for the X1000 SoC, the X1600 SoC, the X1830 SoC,
> and the X2000 SoC from Ingenic.
> 
> Signed-off-by: 周琰杰 (Zhou Yanjie) <zhouyanjie@...yeetech.com>
> ---
>  .../devicetree/bindings/spi/ingenic,sfc.yaml       | 64 ++++++++++++++++++++++
>  1 file changed, 64 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/spi/ingenic,sfc.yaml
> 
> diff --git a/Documentation/devicetree/bindings/spi/ingenic,sfc.yaml b/Documentation/devicetree/bindings/spi/ingenic,sfc.yaml
> new file mode 100644
> index 00000000..b7c4cf4
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/spi/ingenic,sfc.yaml
> @@ -0,0 +1,64 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/spi/ingenic,sfc.yaml#

File name should be rather based on first compatible, so
ingenic,x1000-sfc.yaml

> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Bindings for SFC in Ingenic SoCs
> +
> +maintainers:
> +  - 周琰杰 (Zhou Yanjie) <zhouyanjie@...yeetech.com>
> +
> +description:
> +  The SPI Flash Controller in Ingenic SoCs.
> +

You miss here allOf referencing spi-controller.

> +properties:
> +  compatible:
> +    oneOf:
> +      - enum:
> +          - ingenic,x1000-sfc
> +          - ingenic,x1600-sfc
> +          - ingenic,x2000-sfc
> +      - items:
> +          - enum:
> +              - ingenic,x1830-sfc
> +          - const: ingenic,x1000-sfc
> +
> +  reg:
> +    maxItems: 1
> +
> +  interrupts:
> +    maxItems: 1
> +
> +  clocks:
> +    maxItems: 1
> +
> +  clock-names:
> +    const: sfc

Remove the clock-names entirely, no benefits.

> +
> +required:
> +  - compatible
> +  - reg
> +  - interrupts
> +  - clocks
> +  - clock-names
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    #include <dt-bindings/clock/ingenic,x1000-cgu.h>
> +
> +	sfc: spi@...40000 {
> +		compatible = "ingenic,x1000-sfc";


Use 4 spaces for example indentation.

> +		reg = <0x13440000 0x1000>;
> +
> +		interrupt-parent = <&intc>;
> +		interrupts = <7>;
> +
> +		clocks = <&cgu X1000_CLK_SFC>;
> +		clock-names = "sfc";
> +
> +		status = "disabled";

No status in example.

> +	};
> +...


Best regards,
Krzysztof