linux-kernel - Re: [PATCH v9 04/12] dt-bindings: phy: amlogic,g12a-mipi-dphy-analog: drop unneeded reg property and example

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Message-ID: <20231124-felt-tip-everybody-f2a6836e52af@spud>
Date:   Fri, 24 Nov 2023 12:36:32 +0000
From:   Conor Dooley <conor@...nel.org>
To:     Neil Armstrong <neil.armstrong@...aro.org>
Cc:     Jerome Brunet <jbrunet@...libre.com>,
        Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Kevin Hilman <khilman@...libre.com>,
        Martin Blumenstingl <martin.blumenstingl@...glemail.com>,
        David Airlie <airlied@...il.com>,
        Daniel Vetter <daniel@...ll.ch>,
        Jagan Teki <jagan@...rulasolutions.com>,
        Nicolas Belin <nbelin@...libre.com>,
        Vinod Koul <vkoul@...nel.org>,
        Kishon Vijay Abraham I <kishon@...nel.org>,
        Remi Pommarel <repk@...plefau.lt>,
        Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
        Maxime Ripard <mripard@...nel.org>,
        Thomas Zimmermann <tzimmermann@...e.de>,
        linux-clk@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-amlogic@...ts.infradead.org,
        linux-arm-kernel@...ts.infradead.org,
        dri-devel@...ts.freedesktop.org, linux-phy@...ts.infradead.org,
        Rob Herring <robh@...nel.org>
Subject: Re: [PATCH v9 04/12] dt-bindings: phy:
 amlogic,g12a-mipi-dphy-analog: drop unneeded reg property and example

On Fri, Nov 24, 2023 at 09:41:15AM +0100, Neil Armstrong wrote:
> The amlogic,g12a-mipi-dphy-analog is a feature of the simple-mfd
> amlogic,meson-axg-hhi-sysctrl system control register zone which is an
> intermixed registers zone, thus it's very hard to define clear ranges for
> each SoC controlled features even if possible.
> 
> The amlogic,g12a-mipi-dphy-analog was wrongly documented as an independent
> register range, which is not the reality, thus fix the bindings by dropping
> the reg property now it's referred from amlogic,meson-gx-hhi-sysctrl.yaml
> and documented as a subnode of amlogic,meson-axg-hhi-sysctrl.
> 
> Also drop the unnecessary example, the top level bindings example should
> be enough.
> 
> Fixes: 76ab79f9726c ("dt-bindings: phy: add Amlogic G12A Analog MIPI D-PHY bindings")
> Signed-off-by: Neil Armstrong <neil.armstrong@...aro.org>

I feel like I left a tag on this one before, but I can't remember.
Perhaps I missed the conclusion to the discussion to the discussion with
Rob about whether having "reg" was desirable that lead to a tag being
dropped?

> ---
>  .../bindings/phy/amlogic,g12a-mipi-dphy-analog.yaml          | 12 ------------
>  1 file changed, 12 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/phy/amlogic,g12a-mipi-dphy-analog.yaml b/Documentation/devicetree/bindings/phy/amlogic,g12a-mipi-dphy-analog.yaml
> index c8c83acfb871..81c2654b7e57 100644
> --- a/Documentation/devicetree/bindings/phy/amlogic,g12a-mipi-dphy-analog.yaml
> +++ b/Documentation/devicetree/bindings/phy/amlogic,g12a-mipi-dphy-analog.yaml
> @@ -16,20 +16,8 @@ properties:
>    "#phy-cells":
>      const: 0
>  
> -  reg:
> -    maxItems: 1
> -
>  required:
>    - compatible
> -  - reg
>    - "#phy-cells"
>  
>  additionalProperties: false
> -
> -examples:
> -  - |
> -    phy@0 {
> -          compatible = "amlogic,g12a-mipi-dphy-analog";
> -          reg = <0x0 0xc>;
> -          #phy-cells = <0>;
> -    };
> 
> -- 
> 2.34.1
> 

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