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/loongson,ls2k-clk.yaml# |
| 5 | $schema: http://devicetree.org/meta-schemas/core.yaml# |
| 6 | |
| 7 | title: Loongson-2 SoC Clock Control Module |
| 8 | |
| 9 | maintainers: |
| 10 | - Yinbo Zhu <zhuyinbo@loongson.cn> |
| 11 | |
| 12 | description: | |
| 13 | Loongson-2 SoC clock control module is an integrated clock controller, which |
| 14 | generates and supplies to all modules. |
| 15 | |
| 16 | properties: |
| 17 | compatible: |
| 18 | enum: |
| 19 | - loongson,ls2k-clk |
| 20 | |
| 21 | reg: |
| 22 | maxItems: 1 |
| 23 | |
| 24 | clocks: |
| 25 | items: |
| 26 | - description: 100m ref |
| 27 | |
| 28 | clock-names: |
| 29 | items: |
| 30 | - const: ref_100m |
| 31 | |
| 32 | '#clock-cells': |
| 33 | const: 1 |
| 34 | description: |
| 35 | The clock consumer should specify the desired clock by having the clock |
| 36 | ID in its "clocks" phandle cell. See include/dt-bindings/clock/loongson,ls2k-clk.h |
| 37 | for the full list of Loongson-2 SoC clock IDs. |
| 38 | |
| 39 | required: |
| 40 | - compatible |
| 41 | - reg |
| 42 | - clocks |
| 43 | - clock-names |
| 44 | - '#clock-cells' |
| 45 | |
| 46 | additionalProperties: false |
| 47 | |
| 48 | examples: |
| 49 | - | |
| 50 | ref_100m: clock-ref-100m { |
| 51 | compatible = "fixed-clock"; |
| 52 | #clock-cells = <0>; |
| 53 | clock-frequency = <100000000>; |
| 54 | clock-output-names = "ref_100m"; |
| 55 | }; |
| 56 | |
| 57 | clk: clock-controller@1fe00480 { |
| 58 | compatible = "loongson,ls2k-clk"; |
| 59 | reg = <0x1fe00480 0x58>; |
| 60 | #clock-cells = <1>; |
| 61 | clocks = <&ref_100m>; |
| 62 | clock-names = "ref_100m"; |
| 63 | }; |