| 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/ingenic,cgu.yaml# |
| 5 | $schema: http://devicetree.org/meta-schemas/core.yaml# |
| 6 | |
| 7 | title: Ingenic SoCs CGU |
| 8 | |
| 9 | description: | |
| 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 | |
| 15 | maintainers: |
| 16 | - Paul Cercueil <paul@crapouillou.net> |
| 17 | |
| 18 | select: |
| 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 | |
| 35 | properties: |
| 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 | |
| 92 | required: |
| 93 | - "#clock-cells" |
| 94 | - compatible |
| 95 | - reg |
| 96 | - clocks |
| 97 | - clock-names |
| 98 | |
| 99 | patternProperties: |
| 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 | |
| 105 | additionalProperties: false |
| 106 | |
| 107 | examples: |
| 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 | }; |