linux-kernel - Re: [PATCH v4 2/3] bindings: pm8941-misc: Add support for VBUS detection

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Message-ID: <20201030233742.GA29492@codeaurora.org>
Date:   Fri, 30 Oct 2020 16:37:42 -0700
From:   Guru Das Srinagesh <gurus@...eaurora.org>
To:     Rob Herring <robh@...nel.org>
Cc:     Andy Gross <agross@...nel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        linux-arm-msm@...r.kernel.org,
        Subbaraman Narayanamurthy <subbaram@...eaurora.org>,
        David Collins <collinsd@...eaurora.org>,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        Stephen Boyd <sboyd@...nel.org>,
        Anirudh Ghayal <aghayal@...eaurora.org>
Subject: Re: [PATCH v4 2/3] bindings: pm8941-misc: Add support for VBUS
 detection

On Fri, Oct 30, 2020 at 08:36:12AM -0500, Rob Herring wrote:
> On Wed, Oct 28, 2020 at 12:18:53AM -0700, Guru Das Srinagesh wrote:
> > Add compatible string that adds support for reporting VBUS detection
> > status that can be detected via a dedicated PMIC pin.
> > 
> > Signed-off-by: Anirudh Ghayal <aghayal@...eaurora.org>
> > Signed-off-by: Guru Das Srinagesh <gurus@...eaurora.org>
> > ---
> >  Documentation/devicetree/bindings/extcon/qcom,pm8941-misc.yaml | 7 ++++++-
> >  1 file changed, 6 insertions(+), 1 deletion(-)
> > 
> > diff --git a/Documentation/devicetree/bindings/extcon/qcom,pm8941-misc.yaml b/Documentation/devicetree/bindings/extcon/qcom,pm8941-misc.yaml
> > index e8eea83..15e3749 100644
> > --- a/Documentation/devicetree/bindings/extcon/qcom,pm8941-misc.yaml
> > +++ b/Documentation/devicetree/bindings/extcon/qcom,pm8941-misc.yaml
> > @@ -15,18 +15,23 @@ description: |
> >  
> >  properties:
> >    compatible:
> > +    minItems: 1
> >      items:
> >        - const: qcom,pm8941-misc
> > +      - const: qcom,pmd-vbus-det
> 
> Do you really need another compatible here? Just detect this by having a 
> 2nd interrupt.

Agreed; will drop this bit in the next patchset.

> 
> >  
> >    reg:
> >      maxItems: 1
> >  
> >    interrupts:
> > -    maxItems: 1
> > +    minItems: 1
> > +    maxItems: 2
> >  
> >    interrupt-names:
> > +    minItems: 1
> >      items:
> >        - const: usb_id
> > +      - const: usb_vbus
> >  
> >  required:
> >    - compatible
> > -- 
> > The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
> > a Linux Foundation Collaborative Project
> >