linux-kernel - Re: [PATCH 1/2] dt-bindings: iio: adc: ep93xx: Add cirrus,ep9301-adc description

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Message-ID: <20221215161835.GA138650-robh@kernel.org>
Date:   Thu, 15 Dec 2022 10:18:35 -0600
From:   Rob Herring <robh@...nel.org>
To:     Alexander Sverdlin <alexander.sverdlin@...il.com>
Cc:     linux-iio@...r.kernel.org,
        Hartley Sweeten <hsweeten@...ionengravers.com>,
        Jonathan Cameron <jic23@...nel.org>,
        Lars-Peter Clausen <lars@...afoo.de>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/2] dt-bindings: iio: adc: ep93xx: Add cirrus,ep9301-adc
 description

On Wed, Dec 14, 2022 at 11:20:23PM +0100, Alexander Sverdlin wrote:
> Add device tree bindings for Cirrus Logic EP9301/EP9302 internal SoCs' ADC
> block.
> 
> Signed-off-by: Alexander Sverdlin <alexander.sverdlin@...il.com>
> ---
>  .../bindings/iio/adc/cirrus,ep9301-adc.yaml   | 58 +++++++++++++++++++
>  MAINTAINERS                                   |  2 +
>  2 files changed, 60 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/iio/adc/cirrus,ep9301-adc.yaml
> 
> diff --git a/Documentation/devicetree/bindings/iio/adc/cirrus,ep9301-adc.yaml b/Documentation/devicetree/bindings/iio/adc/cirrus,ep9301-adc.yaml
> new file mode 100644
> index 000000000000..d0fd24d1be04
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/iio/adc/cirrus,ep9301-adc.yaml
> @@ -0,0 +1,58 @@
> +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/iio/adc/cirrus,ep9301-adc.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Cirrus Logic EP930x internal ADC
> +
> +description: |
> +  Cirrus Logic EP9301/EP9302 SoCs' internal ADC block.
> +
> +  User's manual:
> +  https://cdn.embeddedts.com/resource-attachments/ts-7000_ep9301-ug.pdf
> +
> +maintainers:
> +  - Alexander Sverdlin <alexander.sverdlin@...il.com>
> +
> +properties:
> +  compatible:
> +    const: cirrus,ep9301-adc
> +
> +  reg:
> +    maxItems: 1
> +
> +  clocks:
> +    maxItems: 1
> +
> +  clock-names:
> +    const: ep93xx-adc

Weird name for a clock. Generally is signal name or what it 
controls (e.g. bus, core, etc.). Perhaps just drop it.

> +
> +  interrupts:
> +    maxItems: 1
> +
> +required:
> +  - compatible
> +  - reg
> +  - clocks
> +  - clock-names
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    #include <dt-bindings/clock/cirrus,ep93xx-clock.h>
> +    soc {
> +        #address-cells = <1>;
> +        #size-cells = <1>;
> +
> +        adc: adc@...00000 {
> +            compatible = "cirrus,ep9301-adc";
> +            reg = <0x80900000 0x28>;
> +            clocks = <&syscon EP93XX_CLK_ADC>;
> +            clock-names = "ep93xx-adc";
> +            interrupt-parent = <&vic1>;
> +            interrupts = <30>;
> +        };
> +    };
> +...
> diff --git a/MAINTAINERS b/MAINTAINERS
> index 69565ac0c224..4a914d5bc2e6 100644
> --- a/MAINTAINERS
> +++ b/MAINTAINERS
> @@ -2027,8 +2027,10 @@ M:	Hartley Sweeten <hsweeten@...ionengravers.com>
>  M:	Alexander Sverdlin <alexander.sverdlin@...il.com>
>  L:	linux-arm-kernel@...ts.infradead.org (moderated for non-subscribers)
>  S:	Maintained
> +F:	Documentation/devicetree/bindings/iio/adc/cirrus,ep9301-adc.yaml
>  F:	arch/arm/mach-ep93xx/
>  F:	arch/arm/mach-ep93xx/include/mach/
> +F:	drivers/iio/adc/ep93xx_adc.c
>  
>  ARM/CLKDEV SUPPORT
>  M:	Russell King <linux@...linux.org.uk>
> -- 
> 2.37.3
> 
>