linux-kernel - Re: [PATCH] dt-bindings: pinctrl: qcom,pmic-mpp: clean up example

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Date:   Fri, 1 Dec 2023 17:57:00 +0100
From:   Johan Hovold <johan@...nel.org>
To:     Rob Herring <robh@...nel.org>
Cc:     Johan Hovold <johan+linaro@...nel.org>,
        Linus Walleij <linus.walleij@...aro.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Andy Gross <agross@...nel.org>,
        Konrad Dybcio <konrad.dybcio@...aro.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        linux-arm-msm@...r.kernel.org, linux-gpio@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] dt-bindings: pinctrl: qcom,pmic-mpp: clean up example

On Fri, Dec 01, 2023 at 08:43:20AM -0600, Rob Herring wrote:
> On Thu, Nov 30, 2023 at 06:28:34PM +0100, Johan Hovold wrote:
> > The Multi-Purpose Pin controller block is part of an SPMI PMIC (which in
> > turns sits on an SPMI bus) and uses a single value for the register
> > property that corresponds to its base address.
> > 
> > Clean up the example by adding a parent PMIC node with proper
> > '#address-cells' and '#size-cells' properties, dropping the incorrect
> > second register value, adding some newline separators and increasing the
> > indentation to four spaces.
> 
> This is fine, but I prefer these MFDs have 1 complete example rather 
> than piecemeal examples for each child device.

Yeah, this is not ideal. The closest thing we've got are the examples
in:

	Documentation/devicetree/bindings/mfd/qcom,spmi-pmic.yaml

Are you suggesting eventually dropping the examples from the child node
bindings and adding (several) complete examples in the parent one?

I guess there would need to be more than one if you want to cover all
the various child nodes with real examples.

Johan