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 <kamel.bouhara@xxxxxxxxxxx> Signed-off-by: William Breathitt Gray <vilhelm.gray@xxxxxxxxx> > --- > 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 <kamel.bouhara@xxxxxxxxxxx> > + > +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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