Add the devicetree binding for the xilinx clocking wizard. Signed-off-by: Shubhrajyoti Datta <shubhrajyoti.datta@xxxxxxxxxx> --- v6: Fix a yaml warning v7: Add vendor prefix speed-grade v8: Fix the warnings v10: Add nr-outputs v11: add the compatibles for various versions rename nr-outputs to xlnx,nr-outputs v12: No change .../bindings/clock/xlnx,clocking-wizard.yaml | 77 +++++++++++++++++++ 1 file changed, 77 insertions(+) create mode 100644 Documentation/devicetree/bindings/clock/xlnx,clocking-wizard.yaml diff --git a/Documentation/devicetree/bindings/clock/xlnx,clocking-wizard.yaml b/Documentation/devicetree/bindings/clock/xlnx,clocking-wizard.yaml new file mode 100644 index 000000000000..74a121988e92 --- /dev/null +++ b/Documentation/devicetree/bindings/clock/xlnx,clocking-wizard.yaml @@ -0,0 +1,77 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: "http://devicetree.org/schemas/clock/xlnx,clocking-wizard.yaml#"; +$schema: "http://devicetree.org/meta-schemas/core.yaml#"; + +title: Xilinx clocking wizard + +maintainers: + - Shubhrajyoti Datta <shubhrajyoti.datta@xxxxxxxxxx> + +description: + The clocking wizard is a soft ip clocking block of Xilinx versal. It + reads required input clock frequencies from the devicetree and acts as clock + clock output. + +properties: + compatible: + enum: + - xlnx,clocking-wizard + - xlnx,clocking-wizard-v5-2 # version 5.2 + - xlnx,clocking-wizard-v6-0 # version 6.0 + + + reg: + maxItems: 1 + + "#clock-cells": + const: 1 + + clocks: + items: + - description: clock input + - description: axi clock + + clock-names: + items: + - const: clk_in1 + - const: s_axi_aclk + + + xlnx,speed-grade: + $ref: /schemas/types.yaml#/definitions/uint32 + enum: [1, 2, 3] + description: + Speed grade of the device. Higher the speed grade faster is the FPGA device. + + xlnx,nr-outputs: + $ref: /schemas/types.yaml#/definitions/uint32 + minimum: 1 + maximum: 8 + description: + Number of outputs. + +required: + - compatible + - reg + - "#clock-cells" + - clocks + - clock-names + - xlnx,speed-grade + - xlnx,nr-outputs + +additionalProperties: false + +examples: + - | + clock-controller@b0000000 { + compatible = "xlnx,clocking-wizard"; + reg = <0xb0000000 0x10000>; + #clock-cells = <1>; + xlnx,speed-grade = <1>; + xlnx,nr-outputs = <6>; + clock-names = "clk_in1", "s_axi_aclk"; + clocks = <&clkc 15>, <&clkc 15>; + }; +... -- 2.17.1
