ingenic,cgu.yaml

  1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
  2%YAML 1.2
  3---
  4$id: http://devicetree.org/schemas/clock/ingenic,cgu.yaml#
  5$schema: http://devicetree.org/meta-schemas/core.yaml#
  6
  7title: Ingenic SoCs CGU
  8
  9description: |
 10  The CGU in an Ingenic SoC provides all the clocks generated on-chip. It
 11  typically includes a variety of PLLs, multiplexers, dividers & gates in order
 12  to provide many different clock signals derived from only 2 external source
 13  clocks.
 14
 15maintainers:
 16  - Paul Cercueil <paul@crapouillou.net>
 17
 18select:
 19  properties:
 20    compatible:
 21      contains:
 22        enum:
 23          - ingenic,jz4740-cgu
 24          - ingenic,jz4725b-cgu
 25          - ingenic,jz4755-cgu
 26          - ingenic,jz4760-cgu
 27          - ingenic,jz4760b-cgu
 28          - ingenic,jz4770-cgu
 29          - ingenic,jz4780-cgu
 30          - ingenic,x1000-cgu
 31          - ingenic,x1830-cgu
 32  required:
 33    - compatible
 34
 35properties:
 36  $nodename:
 37    pattern: "^clock-controller@[0-9a-f]+$"
 38
 39  "#address-cells":
 40    const: 1
 41
 42  "#size-cells":
 43    const: 1
 44
 45  "#clock-cells":
 46    const: 1
 47
 48  ranges: true
 49
 50  compatible:
 51    items:
 52      - enum:
 53          - ingenic,jz4740-cgu
 54          - ingenic,jz4725b-cgu
 55          - ingenic,jz4755-cgu
 56          - ingenic,jz4760-cgu
 57          - ingenic,jz4760b-cgu
 58          - ingenic,jz4770-cgu
 59          - ingenic,jz4780-cgu
 60          - ingenic,x1000-cgu
 61          - ingenic,x1830-cgu
 62      - const: simple-mfd
 63    minItems: 1
 64
 65  reg:
 66    maxItems: 1
 67
 68  clocks:
 69    items:
 70      - description: External oscillator clock
 71      - description: Internal 32 kHz RTC clock
 72
 73  clock-names:
 74    items:
 75      - const: ext
 76      - enum:
 77          - rtc
 78          - osc32k # Different name, same clock
 79
 80  assigned-clocks:
 81    minItems: 1
 82    maxItems: 64
 83
 84  assigned-clock-parents:
 85    minItems: 1
 86    maxItems: 64
 87
 88  assigned-clock-rates:
 89    minItems: 1
 90    maxItems: 64
 91
 92required:
 93  - "#clock-cells"
 94  - compatible
 95  - reg
 96  - clocks
 97  - clock-names
 98
 99patternProperties:
100  "^usb-phy@[a-f0-9]+$":
101    $ref: /schemas/phy/ingenic,phy-usb.yaml#
102  "^mac-phy-ctrl@[a-f0-9]+$":
103    $ref: /schemas/net/ingenic,mac.yaml#
104
105additionalProperties: false
106
107examples:
108  - |
109    #include <dt-bindings/clock/ingenic,jz4770-cgu.h>
110    cgu: clock-controller@10000000 {
111      compatible = "ingenic,jz4770-cgu", "simple-mfd";
112      reg = <0x10000000 0x100>;
113      #address-cells = <1>;
114      #size-cells = <1>;
115      ranges = <0x0 0x10000000 0x100>;
116
117      clocks = <&ext>, <&osc32k>;
118      clock-names = "ext", "osc32k";
119
120      #clock-cells = <1>;
121
122      otg_phy: usb-phy@3c {
123        compatible = "ingenic,jz4770-phy";
124        reg = <0x3c 0x10>;
125
126        clocks = <&cgu JZ4770_CLK_OTG_PHY>;
127
128        vcc-supply = <&ldo5>;
129
130        #phy-cells = <0>;
131      };
132    };