linux-kernel - Re: [1/1] dt-bindings: pwm:Convert pwm-mtk-disp.txt format file to pwm-mtk-disp.yaml format file

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Message-ID: <af2405be-5af5-1e5b-66f2-93842eb8cde5@canonical.com>
Date:   Mon, 14 Feb 2022 22:32:09 +0100
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...onical.com>
To:     xinlei.lee@...iatek.com, thierry.reding@...il.com,
        u.kleine-koenig@...gutronix.de, lee.jones@...aro.org,
        robh+dt@...nel.org, matthias.bgg@...il.com
Cc:     linux-pwm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Project_Global_Chrome_Upstream_Group@...iatek.com
Subject: Re: [1/1] dt-bindings: pwm:Convert pwm-mtk-disp.txt format file to
 pwm-mtk-disp.yaml format file

On 14/02/2022 15:01, xinlei.lee@...iatek.com wrote:
> From: xinlei lee <xinlei.lee@...iatek.com>

Commit msg is needed.

Subject - missing space after ':' and it is too long. No need to say
"format file" twice.

You miss "PATCH" in subject. Using `git format-patch` is the easiest way
to create proper patches.

> 
> Signed-off-by: xinlei lee <xinlei.lee@...iatek.com>
> ---
>  .../devicetree/bindings/pwm/pwm-mtk-disp.yaml      | 60 ++++++++++++++++++++++
>  1 file changed, 60 insertions(+)

I do not see the conversion here... You only add one file. Where is the
removal?

>  create mode 100644 Documentation/devicetree/bindings/pwm/pwm-mtk-disp.yaml
> 
> diff --git a/Documentation/devicetree/bindings/pwm/pwm-mtk-disp.yaml b/Documentation/devicetree/bindings/pwm/pwm-mtk-disp.yaml
> new file mode 100644
> index 0000000..2f1183e
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/pwm/pwm-mtk-disp.yaml

Let's name the file as with most bindings, so with vendor:
"mediatek,pwm-disp.yaml"

> @@ -0,0 +1,60 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/pwm/pwm-mtk-disp.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: mediatek PWM Controller Device Tree Bindings
> +
> +maintainers:
> +  - Thierry Reding <thierry.reding@...il.com>
> +  - Uwe Kleine-König <u.kleine-koenig@...gutronix.de>
> +  - Lee Jones <lee.jones@...aro.org>
> +  - Rob Herring <robh+dt@...nel.org>
> +

allOf referencing pwm.yaml

> +properties:
> +  compatible:
> +    enum:
> +      - mediatek,mt2701-disp-pwm
> +      - mediatek,mt6595-disp-pwm
> +      - mediatek,mt8173-disp-pwm
> +      - mediatek,mt8183-disp-pwm
> +      - mediatek,mt8186-disp-pwm
> +
> +  reg:
> +    maxItems: 1
> +
> +  interrupts:
> +    maxItems: 1
> +
> +  clocks:
> +    items:
> +      - description: Main Clock
> +      - description: Mm Clock
> +


This schema was not tested. Please run it against your DTS files (make
dtbs_check). You need pwm-cells and power-domains. Maybe more...

> +  clock-names:
> +    items:
> +      - const: main
> +      - const: mm

Blank line.

> +required:

"compatible" is required, put it first in the list.

> +  - reg
> +  - interrupts
> +  - clocks
> +  - clock-names> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    #include <dt-bindings/interrupt-controller/arm-gic.h>
> +    #include <dt-bindings/clock/mt8186-clk.h>
> +    #include <dt-bindings/interrupt-controller/irq.h>

Blank line.

> +    disp_pwm: disp_pwm0@...0e000 {

node name: "pwm" (generic as schema and devicetree specification ask for).

> +        compatible = "mediatek,mt8183-disp-pwm";
> +        reg = <0x1100e000 0x1000>;
> +        interrupts = <GIC_SPI 143 IRQ_TYPE_LEVEL_HIGH>;
> +        clocks = <&topckgen CLK_TOP_DISP_PWM>,
> +                 <&infracfg_ao CLK_INFRA_AO_DISP_PWM>;
> +        clock-names = "main", "mm";
> +        status = "okay";

No need for status.

> +    };
> \ No newline at end of file


Best regards,
Krzysztof