linux-kernel - Re: [PATCH v3 1/7] dt-bindings: soc: qcom: Add qcom,pbs bindings

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Message-ID: <20230817162624.GA1444880-robh@kernel.org>
Date:   Thu, 17 Aug 2023 11:26:24 -0500
From:   Rob Herring <robh@...nel.org>
To:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
        Anjelique Melendez <quic_amelende@...cinc.com>
Cc:     pavel@....cz, lee@...nel.org, thierry.reding@...il.com,
        krzysztof.kozlowski+dt@...aro.org, conor+dt@...nel.org,
        agross@...nel.org, andersson@...nel.org, luca.weiss@...rphone.com,
        konrad.dybcio@...aro.org, u.kleine-koenig@...gutronix.de,
        quic_subbaram@...cinc.com, linux-leds@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-msm@...r.kernel.org, linux-pwm@...r.kernel.org
Subject: Re: [PATCH v3 1/7] dt-bindings: soc: qcom: Add qcom,pbs bindings

On Tue, Aug 15, 2023 at 10:36:39PM +0200, Krzysztof Kozlowski wrote:
> On 15/08/2023 01:59, Anjelique Melendez wrote:
> > Add binding for the Qualcomm Programmable Boot Sequencer device.
> > 
> > Signed-off-by: Anjelique Melendez <quic_amelende@...cinc.com>
> > ---
> >  .../bindings/soc/qcom/qcom,pbs.yaml           | 46 +++++++++++++++++++
> >  1 file changed, 46 insertions(+)
> >  create mode 100644 Documentation/devicetree/bindings/soc/qcom/qcom,pbs.yaml
> > 
> > diff --git a/Documentation/devicetree/bindings/soc/qcom/qcom,pbs.yaml b/Documentation/devicetree/bindings/soc/qcom/qcom,pbs.yaml
> > new file mode 100644
> > index 000000000000..b502ca72266a
> > --- /dev/null
> > +++ b/Documentation/devicetree/bindings/soc/qcom/qcom,pbs.yaml
> > @@ -0,0 +1,46 @@
> > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> > +%YAML 1.2
> > +---
> > +$id: http://devicetree.org/schemas/soc/qcom/qcom,pbs.yaml#
> > +$schema: http://devicetree.org/meta-schemas/core.yaml#
> > +
> > +title: Qualcomm Technologies, Inc. Programmable Boot Sequencer
> > +
> > +maintainers:
> > +  - Anjelique Melendez <quic_amelende@...cinc.com>
> > +
> > +description: |
> > +  The Qualcomm Technologies, Inc. Programmable Boot Sequencer (PBS)
> > +  supports triggering power up and power down sequences for clients
> > +  upon request.
> > +
> > +properties:
> > +  compatible:
> > +    items:
> > +      - enum:
> > +          - qcom,pmi632-pbs
> > +      - const: qcom,pbs
> > +
> > +  reg:
> > +    maxItems: 1
> > +
> > +required:
> > +  - compatible
> > +  - reg
> > +
> > +additionalProperties: false
> > +
> > +examples:
> > +  - |
> > +    #include <dt-bindings/spmi/spmi.h>
> > +
> > +    pmic@0 {
> 
> This should be rather just "pmic", because the examples have
> address-cells=1 and size-cells=1, which is not correct in this context.

But there's a 'reg' property so you can't drop the unit-address. The bus 
node (spmi) needs to be added.

Rob