linux-kernel - Re: [PATCH v2 11/11] dt-bindings: iio: adc: exynos: Remove old requirement of two register address ranges

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Date:   Sun, 8 Sep 2019 13:31:22 +0100
From:   Jonathan Cameron <jic23@...nel.org>
To:     Krzysztof Kozlowski <krzk@...nel.org>
Cc:     Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Kukjin Kim <kgene@...nel.org>,
        Hartmut Knaack <knaack.h@....de>,
        Lars-Peter Clausen <lars@...afoo.de>,
        Peter Meerwald-Stadler <pmeerw@...erw.net>,
        Sebastian Reichel <sre@...nel.org>,
        Alessandro Zummo <a.zummo@...ertech.it>,
        Alexandre Belloni <alexandre.belloni@...tlin.com>,
        Paweł Chmiel <pawel.mikolaj.chmiel@...il.com>,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-samsung-soc@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-iio@...r.kernel.org, linux-pm@...r.kernel.org,
        linux-rtc@...r.kernel.org
Subject: Re: [PATCH v2 11/11] dt-bindings: iio: adc: exynos: Remove old
 requirement of two register address ranges

On Sat,  7 Sep 2019 11:20:07 +0200
Krzysztof Kozlowski <krzk@...nel.org> wrote:

> Commit fafb37cfae6d ("iio: exyno-adc: use syscon for PMU
> register access") changed the Exynos ADC driver so the PMU syscon
> phandle is required instead of second register address space.  The
> bindings were not updated so fix them now.
> 
> Signed-off-by: Krzysztof Kozlowski <krzk@...nel.org>

Seems sensible. Thanks for cleaning this up.

As before I'll wait on review from Rob or similar. If they
are going via another path (fine by me as well).

Acked-by: Jonathan Cameron <Jonathan.Cameron@...wei.com> for
both IIO related binding patches.

Thanks,

Jonathan

> 
> ---
> 
> Changes since v1:
> 1. New patch.
> ---
>  .../bindings/iio/adc/samsung,exynos-adc.yaml     | 16 ++--------------
>  1 file changed, 2 insertions(+), 14 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/iio/adc/samsung,exynos-adc.yaml b/Documentation/devicetree/bindings/iio/adc/samsung,exynos-adc.yaml
> index dd58121f25b1..b4c6c26681d9 100644
> --- a/Documentation/devicetree/bindings/iio/adc/samsung,exynos-adc.yaml
> +++ b/Documentation/devicetree/bindings/iio/adc/samsung,exynos-adc.yaml
> @@ -25,8 +25,7 @@ properties:
>        - samsung,s5pv210-adc
>  
>    reg:
> -    minItems: 1
> -    maxItems: 2
> +    maxItems: 1
>  
>    clocks:
>      description:
> @@ -55,7 +54,7 @@ properties:
>      $ref: '/schemas/types.yaml#/definitions/phandle'
>      description:
>        Phandle to the PMU system controller node (to access the ADC_PHY
> -      register on Exynos5250/5420/5800/3250).
> +      register on Exynos3250/4x12/5250/5420/5800).
>  
>    has-touchscreen:
>      description:
> @@ -83,19 +82,8 @@ allOf:
>                - samsung,exynos4212-adc
>                - samsung,s5pv210-adc
>      then:
> -      properties:
> -        reg:
> -          items:
> -            # For S5P and Exynos
> -            - description: base registers
> -            - description: phy registers
>        required:
>          - samsung,syscon-phandle
> -    else:
> -      properties:
> -        reg:
> -          items:
> -            - description: base registers
>  
>    - if:
>        properties: