Tom Rini | 53633a8 | 2024-02-29 12:33:36 -0500 | [diff] [blame] | 1 | # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) |
| 2 | %YAML 1.2 |
| 3 | --- |
| 4 | $id: http://devicetree.org/schemas/clock/xlnx,clocking-wizard.yaml# |
| 5 | $schema: http://devicetree.org/meta-schemas/core.yaml# |
| 6 | |
| 7 | title: Xilinx clocking wizard |
| 8 | |
| 9 | maintainers: |
| 10 | - Shubhrajyoti Datta <shubhrajyoti.datta@amd.com> |
| 11 | |
| 12 | description: |
| 13 | The clocking wizard is a soft ip clocking block of Xilinx versal. It |
| 14 | reads required input clock frequencies from the devicetree and acts as clock |
| 15 | clock output. |
| 16 | |
| 17 | properties: |
| 18 | compatible: |
| 19 | enum: |
| 20 | - xlnx,clocking-wizard |
| 21 | - xlnx,clocking-wizard-v5.2 |
| 22 | - xlnx,clocking-wizard-v6.0 |
Tom Rini | 93743d2 | 2024-04-01 09:08:13 -0400 | [diff] [blame^] | 23 | - xlnx,versal-clk-wizard |
Tom Rini | 53633a8 | 2024-02-29 12:33:36 -0500 | [diff] [blame] | 24 | |
| 25 | |
| 26 | reg: |
| 27 | maxItems: 1 |
| 28 | |
| 29 | "#clock-cells": |
| 30 | const: 1 |
| 31 | |
| 32 | clocks: |
| 33 | items: |
| 34 | - description: clock input |
| 35 | - description: axi clock |
| 36 | |
| 37 | clock-names: |
| 38 | items: |
| 39 | - const: clk_in1 |
| 40 | - const: s_axi_aclk |
| 41 | |
| 42 | |
| 43 | xlnx,speed-grade: |
| 44 | $ref: /schemas/types.yaml#/definitions/uint32 |
| 45 | enum: [1, 2, 3] |
| 46 | description: |
| 47 | Speed grade of the device. Higher the speed grade faster is the FPGA device. |
| 48 | |
| 49 | xlnx,nr-outputs: |
| 50 | $ref: /schemas/types.yaml#/definitions/uint32 |
| 51 | minimum: 1 |
| 52 | maximum: 8 |
| 53 | description: |
| 54 | Number of outputs. |
| 55 | |
| 56 | required: |
| 57 | - compatible |
| 58 | - reg |
| 59 | - "#clock-cells" |
| 60 | - clocks |
| 61 | - clock-names |
| 62 | - xlnx,speed-grade |
| 63 | - xlnx,nr-outputs |
| 64 | |
| 65 | additionalProperties: false |
| 66 | |
| 67 | examples: |
| 68 | - | |
| 69 | clock-controller@b0000000 { |
| 70 | compatible = "xlnx,clocking-wizard"; |
| 71 | reg = <0xb0000000 0x10000>; |
| 72 | #clock-cells = <1>; |
| 73 | xlnx,speed-grade = <1>; |
| 74 | xlnx,nr-outputs = <6>; |
| 75 | clock-names = "clk_in1", "s_axi_aclk"; |
| 76 | clocks = <&clkc 15>, <&clkc 15>; |
| 77 | }; |
| 78 | ... |