Subject: Re: [PATCH v3 2/3] dt-bindings: counter: microchip-tcb-capture counter

From: Jonathan Cameron <[email-masked]>
Date: Sat, 18 Apr 2020 19:24:43 +0100

On Fri, 17 Apr 2020 09:58:20 -0400
William Breathitt Gray <[email-masked]> wrote:

> On Wed, Apr 15, 2020 at 03:04:54PM +0200, Kamel Bouhara wrote:
> > Describe the devicetree binding for the Microchip TCB module.
> > Each counter blocks exposes three independent counters.
> > 
> > However, when configured in quadrature decoder, both channel <0> and <1>
> > are required for speed/position and rotation capture (yet only the
> > position is captured).
> > 
> > Signed-off-by: Kamel Bouhara <[email-masked]>  
> 
> Signed-off-by: William Breathitt Gray <[email-masked]>
Will let this sit a bit longer to let the DT maintainers have an opportunity
to take a look.

Thanks,

Jonathan

> 
> > ---
> > Changes from v3:
> >  - Updated the brand name: s/atmel/microchip/.
> > 
> > Changes from v2:
> >  - Fixed errors reported by dt_binding_check
> > 
> >  .../counter/microchip-tcb-capture.yaml        | 33 +++++++++++++++++++
> >  1 file changed, 33 insertions(+)
> >  create mode 100644 Documentation/devicetree/bindings/counter/microchip-tcb-capture.yaml
> > 
> > diff --git a/Documentation/devicetree/bindings/counter/microchip-tcb-capture.yaml b/Documentation/devicetree/bindings/counter/microchip-tcb-capture.yaml
> > new file mode 100644
> > index 000000000000..183e9ee4c049
> > --- /dev/null
> > +++ b/Documentation/devicetree/bindings/counter/microchip-tcb-capture.yaml
> > @@ -0,0 +1,33 @@
> > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> > +%YAML 1.2
> > +---
> > +$id: http://devicetree.org/schemas/counter/microchip-tcb-capture.yaml#
> > +$schema: http://devicetree.org/meta-schemas/core.yaml#
> > +
> > +title: Microchip TCB Counter
> > +
> > +maintainers:
> > +  - Kamel Bouhara <[email-masked]>
> > +
> > +properties:
> > +  compatible:
> > +    const: "microchip,tcb-capture"
> > +
> > +  reg:
> > +    description: TCB capture channel to register as counter device.
> > +      Each channel is independent therefore only one channel is
> > +      registered by default execpt for the QDEC mode where both TCB0's
> > +      channels <0> and  <1> are required.
> > +
> > +required:
> > +  - compatible
> > +  - reg
> > +
> > +additionalProperties: false
> > +
> > +examples:
> > +  - |
> > +    tcb0: timer@f800c000 {
> > +        compatible = "microchip,tcb-capture";
> > +        reg = <0>, <1>;
> > +    };
> > -- 
> > 2.25.0
> >   

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