Add DT bindings for Microchip Azurite DPLL chip family. These chips provide up to 5 independent DPLL channels, 10 differential or single-ended inputs and 10 differential or 20 single-ended outputs. They can be connected via I2C or SPI busses. Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx> Signed-off-by: Ivan Vecera <ivecera@xxxxxxxxxx> --- v9: * no change --- .../bindings/dpll/microchip,zl30731.yaml | 115 ++++++++++++++++++ 1 file changed, 115 insertions(+) create mode 100644 Documentation/devicetree/bindings/dpll/microchip,zl30731.yaml diff --git a/Documentation/devicetree/bindings/dpll/microchip,zl30731.yaml b/Documentation/devicetree/bindings/dpll/microchip,zl30731.yaml new file mode 100644 index 0000000000000..17747f754b845 --- /dev/null +++ b/Documentation/devicetree/bindings/dpll/microchip,zl30731.yaml @@ -0,0 +1,115 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/dpll/microchip,zl30731.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Microchip Azurite DPLL device + +maintainers: + - Ivan Vecera <ivecera@xxxxxxxxxx> + +description: + Microchip Azurite DPLL (ZL3073x) is a family of DPLL devices that + provides up to 5 independent DPLL channels, up to 10 differential or + single-ended inputs and 10 differential or 20 single-ended outputs. + These devices support both I2C and SPI interfaces. + +properties: + compatible: + enum: + - microchip,zl30731 + - microchip,zl30732 + - microchip,zl30733 + - microchip,zl30734 + - microchip,zl30735 + + reg: + maxItems: 1 + +required: + - compatible + - reg + +allOf: + - $ref: /schemas/dpll/dpll-device.yaml# + - $ref: /schemas/spi/spi-peripheral-props.yaml# + +unevaluatedProperties: false + +examples: + - | + i2c { + #address-cells = <1>; + #size-cells = <0>; + + dpll@70 { + compatible = "microchip,zl30732"; + reg = <0x70>; + dpll-types = "pps", "eec"; + + input-pins { + #address-cells = <1>; + #size-cells = <0>; + + pin@0 { /* REF0P */ + reg = <0>; + connection-type = "ext"; + label = "Input 0"; + supported-frequencies-hz = /bits/ 64 <1 1000>; + }; + }; + + output-pins { + #address-cells = <1>; + #size-cells = <0>; + + pin@3 { /* OUT1N */ + reg = <3>; + connection-type = "gnss"; + esync-control; + label = "Output 1"; + supported-frequencies-hz = /bits/ 64 <1 10000>; + }; + }; + }; + }; + - | + spi { + #address-cells = <1>; + #size-cells = <0>; + + dpll@70 { + compatible = "microchip,zl30731"; + reg = <0x70>; + spi-max-frequency = <12500000>; + + dpll-types = "pps"; + + input-pins { + #address-cells = <1>; + #size-cells = <0>; + + pin@0 { /* REF0P */ + reg = <0>; + connection-type = "ext"; + label = "Input 0"; + supported-frequencies-hz = /bits/ 64 <1 1000>; + }; + }; + + output-pins { + #address-cells = <1>; + #size-cells = <0>; + + pin@3 { /* OUT1N */ + reg = <3>; + connection-type = "gnss"; + esync-control; + label = "Output 1"; + supported-frequencies-hz = /bits/ 64 <1 10000>; + }; + }; + }; + }; +... -- 2.49.0
