Re: [PATCH v2 1/2] dt-bindings:pwm:Add bindings doc for Sunplus SoC PWM Driver
From: hammer hsieh
Date: Sun Mar 06 2022 - 23:18:55 EST
Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxxxxx> 於 2022年3月4日 週五
下午11:01寫道:
>
> On 04/03/2022 07:20, Hammer Hsieh wrote:
> > Add bindings doc for Sunplus SoC PWM Driver
>
> You miss spaces in the subject.
>
ok, will modify it.
> >
> > Signed-off-by: Hammer Hsieh <hammerh0314@xxxxxxxxx>
> > ---
> > Changes in v2:
> > - Addressed all comments from Rob Herring.
> > modify author's mail match Signed-off-by.
> > - rebase kernel to 5.17 rc5
> >
> > .../devicetree/bindings/pwm/pwm-sunplus.yaml | 40 ++++++++++++++++++++++
> > MAINTAINERS | 5 +++
> > 2 files changed, 45 insertions(+)
> > create mode 100644 Documentation/devicetree/bindings/pwm/pwm-sunplus.yaml
> >
> > diff --git a/Documentation/devicetree/bindings/pwm/pwm-sunplus.yaml b/Documentation/devicetree/bindings/pwm/pwm-sunplus.yaml
> > new file mode 100644
> > index 0000000..19fe5d5
> > --- /dev/null
> > +++ b/Documentation/devicetree/bindings/pwm/pwm-sunplus.yaml
> > @@ -0,0 +1,40 @@
> > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> > +# Copyright (C) Sunplus Co., Ltd. 2021
> > +%YAML 1.2
> > +---
> > +$id: http://devicetree.org/schemas/pwm/pwm-sunplus.yaml#
>
> Is it going to be one binding for all Sunplus SoCs? Existing and future?
>
yes, that was my first plan.
but not all sunplus SoCs use the same IP-based,
so I will change file name form 'pwm-sunplus.yaml' to
'sunplus,sp7021-pwm.yaml' in next patch.
> > +$schema: http://devicetree.org/meta-schemas/core.yaml#
> > +
> > +title: Sunplus SoC PWM Controller
> > +
> > +maintainers:
> > + - Hammer Hsieh <hammerh0314@xxxxxxxxx>
> > +
>
> allOf with pwm.yaml
> Then unevaluatedProperties instead of additionalProperties.
>
ok , will add it.
>
> > +properties:
> > + '#pwm-cells':
> > + const: 2
> > +
> > + compatible:
>
> Commpatible goes first. Rest of properties you could order
> alphabetically. Similar approach in required.
>
>
ok, will modify it.
> > + items:
> > + - const: sunplus,sp7021-pwm
> > +
> > + reg:
> > + maxItems: 1
> > +
> > + clocks:
> > + maxItems: 1
> > +
> > +required:
>
> compatible
>
> > + - reg
> > + - clocks
>
>
> > +
> > +additionalProperties: false
> > +
> > +examples:
> > + - |
> > + pwm: pwm@9c007a00 {
> > + #pwm-cells = <2>;
> > + compatible = "sunplus,sp7021-pwm";
>
> compatible goes first, then reg.
>
ok, will modify it.
>
> Best regards,
> Krzysztof