allwinner,sun55i-a523-ccu.yaml

  1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
  2%YAML 1.2
  3---
  4$id: http://devicetree.org/schemas/clock/allwinner,sun55i-a523-ccu.yaml#
  5$schema: http://devicetree.org/meta-schemas/core.yaml#
  6
  7title: Allwinner A523 Clock Control Unit
  8
  9maintainers:
 10  - Andre Przywara <andre.przywara@arm.com>
 11
 12properties:
 13  "#clock-cells":
 14    const: 1
 15
 16  "#reset-cells":
 17    const: 1
 18
 19  compatible:
 20    enum:
 21      - allwinner,sun55i-a523-ccu
 22      - allwinner,sun55i-a523-mcu-ccu
 23      - allwinner,sun55i-a523-r-ccu
 24
 25  reg:
 26    maxItems: 1
 27
 28  clocks:
 29    minItems: 4
 30    maxItems: 9
 31
 32  clock-names:
 33    minItems: 4
 34    maxItems: 9
 35
 36required:
 37  - "#clock-cells"
 38  - "#reset-cells"
 39  - compatible
 40  - reg
 41  - clocks
 42  - clock-names
 43
 44allOf:
 45  - if:
 46      properties:
 47        compatible:
 48          enum:
 49            - allwinner,sun55i-a523-ccu
 50
 51    then:
 52      properties:
 53        clocks:
 54          items:
 55            - description: High Frequency Oscillator (usually at 24MHz)
 56            - description: Low Frequency Oscillator (usually at 32kHz)
 57            - description: Internal Oscillator
 58            - description: Low Frequency Oscillator fanout
 59
 60        clock-names:
 61          items:
 62            - const: hosc
 63            - const: losc
 64            - const: iosc
 65            - const: losc-fanout
 66
 67  - if:
 68      properties:
 69        compatible:
 70          enum:
 71            - allwinner,sun55i-a523-mcu-ccu
 72
 73    then:
 74      properties:
 75        clocks:
 76          items:
 77            - description: High Frequency Oscillator (usually at 24MHz)
 78            - description: Low Frequency Oscillator (usually at 32kHz)
 79            - description: Internal Oscillator
 80            - description: Audio PLL (4x)
 81            - description: Peripherals PLL 0 (300 MHz output)
 82            - description: DSP module clock
 83            - description: MBUS clock
 84            - description: PRCM AHB clock
 85            - description: PRCM APB0 clock
 86
 87        clock-names:
 88          items:
 89            - const: hosc
 90            - const: losc
 91            - const: iosc
 92            - const: pll-audio0-4x
 93            - const: pll-periph0-300m
 94            - const: dsp
 95            - const: mbus
 96            - const: r-ahb
 97            - const: r-apb0
 98
 99  - if:
100      properties:
101        compatible:
102          enum:
103            - allwinner,sun55i-a523-r-ccu
104
105    then:
106      properties:
107        clocks:
108          items:
109            - description: High Frequency Oscillator (usually at 24MHz)
110            - description: Low Frequency Oscillator (usually at 32kHz)
111            - description: Internal Oscillator
112            - description: Peripherals PLL
113            - description: Audio PLL
114
115        clock-names:
116          items:
117            - const: hosc
118            - const: losc
119            - const: iosc
120            - const: pll-periph
121            - const: pll-audio
122
123additionalProperties: false
124
125examples:
126  - |
127    clock-controller@2001000 {
128        compatible = "allwinner,sun55i-a523-ccu";
129        reg = <0x02001000 0x1000>;
130        clocks = <&osc24M>, <&osc32k>, <&iosc>, <&r_ccu 1>;
131        clock-names = "hosc", "losc", "iosc", "losc-fanout";
132        #clock-cells = <1>;
133        #reset-cells = <1>;
134    };
135
136...