RE: [PATCH 1/2] dt-bindings: pinctrl: renesas: Add DT bindings for RZ/V2M pinctrl

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Hi Rob

Thanks for the review!

On 24 May 2022 19:47 Rob Herring wrote:
> On Fri, May 20, 2022 at 04:40:50PM +0100, Phil Edworthy wrote:
> > Add device tree binding documentation and header file for Renesas
> > RZ/V2M pinctrl.
> >
> > Signed-off-by: Phil Edworthy <phil.edworthy@xxxxxxxxxxx>
> > Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@xxxxxxxxxxxxxx>
> > ---
> >  .../pinctrl/renesas,rzv2m-pinctrl.yaml        | 174 ++++++++++++++++++
> >  include/dt-bindings/pinctrl/rzv2m-pinctrl.h   |  23 +++
> >  2 files changed, 197 insertions(+)
> >  create mode 100644
> Documentation/devicetree/bindings/pinctrl/renesas,rzv2m-pinctrl.yaml
> >  create mode 100644 include/dt-bindings/pinctrl/rzv2m-pinctrl.h
> >
> > diff --git a/Documentation/devicetree/bindings/pinctrl/renesas,rzv2m-
> pinctrl.yaml b/Documentation/devicetree/bindings/pinctrl/renesas,rzv2m-
> pinctrl.yaml
> > new file mode 100644
> > index 000000000000..305e836cf0a3
> > --- /dev/null
> > +++ b/Documentation/devicetree/bindings/pinctrl/renesas,rzv2m-
> pinctrl.yaml
> > @@ -0,0 +1,174 @@
> > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> > +%YAML 1.2
> > +---
> > +$id: http://devicetree.org/schemas/pinctrl/renesas,rzv2m-pinctrl.yaml# 
> > +$schema: http://devicetree.org/schemas/pinctrl/renesas,rzv2m-pinctrl.yaml#
> > +
> > +title: Renesas RZ/V2M combined Pin and GPIO controller
> > +
> > +maintainers:
> > +  - Geert Uytterhoeven <geert+renesas@xxxxxxxxx>
> > +  - Phil Edworthy <phil.edworthy@xxxxxxxxxxx>
> > +
> > +description:
> > +  The Renesas RZ/V2M SoC features a combined Pin and GPIO controller.
> > +  Pin multiplexing and GPIO configuration is performed on a per-pin
> basis.
> > +  Each port features up to 16 pins, each of them configurable for GPIO
> function
> > +  (port mode) or in alternate function mode.
> > +  Up to 8 different alternate function modes exist for each single pin.
> > +
> > +properties:
> > +  compatible:
> > +    oneOf:
> > +      - items:
> > +          - const: renesas,r9a09g011-pinctrl # RZ/V2M
> 
> With only 1, you can drop 'oneOf' and 'items'.
Will do!

> > +
> > +  reg:
> > +    maxItems: 1
> > +
> > +  gpio-controller: true
> > +
> > +  '#gpio-cells':
> > +    const: 2
> > +    description:
> > +      The first cell contains the global GPIO port index, constructed
> using the
> > +      RZV2M_GPIO() helper macro in <dt-bindings/pinctrl/rzv2m-
> pinctrl.h> and the
> > +      second cell represents consumer flag as mentioned in
> ../gpio/gpio.txt
> > +      E.g. "RZV2M_GPIO(8, 1)" for P8_1.
> > +
> > +  gpio-ranges:
> > +    maxItems: 1
> > +
> > +  interrupts:
> > +    maxItems: 39
> 
> Needs some description as to what all these are. If it is not all the
> same kind of interrupt, then each one has to be listed.
Ok, I'll see what is best to describe these.

Thanks
Phil




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