linux-kernel - Re: [PATCH next 2/2] dt-bindings: gpio: add entry for hisilicon,gpio-ascend910

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Date:   Wed, 26 Oct 2022 15:11:12 -0500
From:   Rob Herring <robh@...nel.org>
To:     Weilong Chen <chenweilong@...wei.com>
Cc:     f.fangjian@...wei.com, linus.walleij@...aro.org,
        yangyicong@...ilicon.com, xuwei5@...wei.com,
        krzysztof.kozlowski+dt@...aro.org, linux-gpio@...r.kernel.org,
        linux-kernel@...r.kernel.org, devicetree@...r.kernel.org
Subject: Re: [PATCH next 2/2] dt-bindings: gpio: add entry for
 hisilicon,gpio-ascend910

On Wed, Oct 26, 2022 at 11:42:19AM +0800, Weilong Chen wrote:
> Add the new compatible for HiSilicon gpio controller driver.
> 
> Signed-off-by: Weilong Chen <chenweilong@...wei.com>
> ---
>  .../gpio/hisilicon,gpio-ascend910.yaml        | 54 +++++++++++++++++++
>  MAINTAINERS                                   |  1 +
>  2 files changed, 55 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/gpio/hisilicon,gpio-ascend910.yaml
> 
> diff --git a/Documentation/devicetree/bindings/gpio/hisilicon,gpio-ascend910.yaml b/Documentation/devicetree/bindings/gpio/hisilicon,gpio-ascend910.yaml
> new file mode 100644
> index 000000000000..912e4b808cae
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/gpio/hisilicon,gpio-ascend910.yaml
> @@ -0,0 +1,54 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/gpio/hisilicon,gpio-ascend910.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: HiSilicon common GPIO controller Device Tree Bindings
> +
> +maintainers:
> +  - Jay Fang <f.fangjian@...wei.com>
> +
> +properties:
> +  compatible:
> +    const: hisilicon,gpio-ascend910

The normal convention is: vendor,soc-ipblock

> +    description:
> +      The HiSilicon common GPIO controller can be used for many different
> +      types of SoC such as Huawei Ascend AI series chips.
> +
> +  reg:
> +    description:
> +      Address and length of the register set for the device.
> +    maxItems: 1
> +
> +  interrupts:
> +    maxItems: 1
> +
> +  gpio-controller: true
> +
> +  "#gpio-cells":
> +    const: 2
> +
> +  ngpios:
> +    minimum: 1
> +    maximum: 32
> +
> +required:
> +  - compatible
> +  - gpio-controller
> +  - reg
> +  - interrupts
> +  - ngpios
> +
> +unevaluatedProperties: false
> +
> +examples:
> +  - |
> +    gpio@...d0000 {
> +      compatible = "hisilicon,gpio-ascend910";
> +      reg = <0x840d0000 0x1000>;
> +      ngpios = <0x20>;
> +      gpio-controller;
> +      #gpio-cells = <2>;
> +      interrupts = <0x0 33 0x4>;
> +    };
> diff --git a/MAINTAINERS b/MAINTAINERS
> index 746becb5fe92..0ec86558cdce 100644
> --- a/MAINTAINERS
> +++ b/MAINTAINERS
> @@ -9212,6 +9212,7 @@ HISILICON GPIO DRIVER
>  M:	Jay Fang <f.fangjian@...wei.com>
>  L:	linux-gpio@...r.kernel.org
>  S:	Maintained
> +F:	Documentation/devicetree/bindings/gpio/hisilicon,gpio-ascend910.yaml
>  F:	drivers/gpio/gpio-hisi.c
>  
>  HISILICON HIGH PERFORMANCE RSA ENGINE DRIVER (HPRE)
> -- 
> 2.31.GIT
> 
>