ingenic,cgu.yaml (2726B)
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 devicetree bindings 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,jz4760-cgu 26 - ingenic,jz4760b-cgu 27 - ingenic,jz4770-cgu 28 - ingenic,jz4780-cgu 29 - ingenic,x1000-cgu 30 - ingenic,x1830-cgu 31 required: 32 - compatible 33 34properties: 35 $nodename: 36 pattern: "^clock-controller@[0-9a-f]+$" 37 38 "#address-cells": 39 const: 1 40 41 "#size-cells": 42 const: 1 43 44 "#clock-cells": 45 const: 1 46 47 ranges: true 48 49 compatible: 50 items: 51 - enum: 52 - ingenic,jz4740-cgu 53 - ingenic,jz4725b-cgu 54 - ingenic,jz4760-cgu 55 - ingenic,jz4760b-cgu 56 - ingenic,jz4770-cgu 57 - ingenic,jz4780-cgu 58 - ingenic,x1000-cgu 59 - ingenic,x1830-cgu 60 - const: simple-mfd 61 minItems: 1 62 63 reg: 64 maxItems: 1 65 66 clocks: 67 items: 68 - description: External oscillator clock 69 - description: Internal 32 kHz RTC clock 70 71 clock-names: 72 items: 73 - const: ext 74 - enum: 75 - rtc 76 - osc32k # Different name, same clock 77 78 assigned-clocks: 79 minItems: 1 80 maxItems: 64 81 82 assigned-clock-parents: 83 minItems: 1 84 maxItems: 64 85 86 assigned-clock-rates: 87 minItems: 1 88 maxItems: 64 89 90required: 91 - "#clock-cells" 92 - compatible 93 - reg 94 - clocks 95 - clock-names 96 97patternProperties: 98 "^usb-phy@[a-f0-9]+$": 99 allOf: [ $ref: "../phy/ingenic,phy-usb.yaml#" ] 100 "^mac-phy-ctrl@[a-f0-9]+$": 101 allOf: [ $ref: "../net/ingenic,mac.yaml#" ] 102 103additionalProperties: false 104 105examples: 106 - | 107 #include <dt-bindings/clock/ingenic,jz4770-cgu.h> 108 cgu: clock-controller@10000000 { 109 compatible = "ingenic,jz4770-cgu", "simple-mfd"; 110 reg = <0x10000000 0x100>; 111 #address-cells = <1>; 112 #size-cells = <1>; 113 ranges = <0x0 0x10000000 0x100>; 114 115 clocks = <&ext>, <&osc32k>; 116 clock-names = "ext", "osc32k"; 117 118 #clock-cells = <1>; 119 120 otg_phy: usb-phy@3c { 121 compatible = "ingenic,jz4770-phy"; 122 reg = <0x3c 0x10>; 123 124 clocks = <&cgu JZ4770_CLK_OTG_PHY>; 125 126 vcc-supply = <&ldo5>; 127 128 #phy-cells = <0>; 129 }; 130 };