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> --- 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