Add binding for Skyworks Si521xx PCIe clock generators. This binding is designed to support Si52144/Si52146/Si52147 series I2C PCIe clock generators, tested model is Si52144. It should be possible to add Si5213x series as well. Signed-off-by: Marek Vasut <marex@xxxxxxx> --- Cc: Michael Turquette <mturquette@xxxxxxxxxxxx> Cc: Rob Herring <robh+dt@xxxxxxxxxx> Cc: Stephen Boyd <sboyd@xxxxxxxxxx> Cc: devicetree@xxxxxxxxxxxxxxx --- .../bindings/clock/skyworks,si521xx.yaml | 69 +++++++++++++++++++ 1 file changed, 69 insertions(+) create mode 100644 Documentation/devicetree/bindings/clock/skyworks,si521xx.yaml diff --git a/Documentation/devicetree/bindings/clock/skyworks,si521xx.yaml b/Documentation/devicetree/bindings/clock/skyworks,si521xx.yaml new file mode 100644 index 0000000000000..c30114e3a7631 --- /dev/null +++ b/Documentation/devicetree/bindings/clock/skyworks,si521xx.yaml @@ -0,0 +1,69 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/clock/skyworks,si521xx.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Binding for Skyworks Si521xx I2C PCIe clock generators + +description: | + The Skyworks Si521xx are I2C PCIe clock generators providing + from 4 to 9 output clocks. + +maintainers: + - Marek Vasut <marex@xxxxxxx> + +properties: + compatible: + enum: + - skyworks,si52144 + - skyworks,si52146 + - skyworks,si52147 + + reg: + description: I2C device address + const: 0x6b + + '#clock-cells': + const: 1 + + clocks: + items: + - description: XTal input clock + + skyworks,out-amplitude-microvolt: + enum: [ 300000, 400000, 500000, 600000, 700000, 800000, 900000, 1000000 ] + description: Output clock signal amplitude + +required: + - compatible + - reg + - clocks + - '#clock-cells' + +additionalProperties: false + +examples: + - | + /* 25MHz reference crystal */ + ref25: ref25m { + compatible = "fixed-clock"; + #clock-cells = <0>; + clock-frequency = <25000000>; + }; + + i2c@0 { + reg = <0x0 0x100>; + #address-cells = <1>; + #size-cells = <0>; + + clock-generator@6b { + compatible = "skyworks,si52144"; + reg = <0x6b>; + #clock-cells = <1>; + + clocks = <&ref25m>; + }; + }; + +... -- 2.35.1
