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124 lines
2.5 KiB
124 lines
2.5 KiB
# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) |
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%YAML 1.2 |
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--- |
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$id: http://devicetree.org/schemas/clock/ingenic,cgu.yaml# |
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$schema: http://devicetree.org/meta-schemas/core.yaml# |
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title: Ingenic SoCs CGU devicetree bindings |
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description: | |
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The CGU in an Ingenic SoC provides all the clocks generated on-chip. It |
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typically includes a variety of PLLs, multiplexers, dividers & gates in order |
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to provide many different clock signals derived from only 2 external source |
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clocks. |
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maintainers: |
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- Paul Cercueil <[email protected]> |
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select: |
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properties: |
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compatible: |
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contains: |
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enum: |
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- ingenic,jz4740-cgu |
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- ingenic,jz4725b-cgu |
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- ingenic,jz4770-cgu |
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- ingenic,jz4780-cgu |
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- ingenic,x1000-cgu |
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- ingenic,x1830-cgu |
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required: |
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- compatible |
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properties: |
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$nodename: |
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pattern: "^clock-controller@[0-9a-f]+$" |
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"#address-cells": |
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const: 1 |
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"#size-cells": |
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const: 1 |
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"#clock-cells": |
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const: 1 |
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ranges: true |
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compatible: |
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items: |
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- enum: |
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- ingenic,jz4740-cgu |
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- ingenic,jz4725b-cgu |
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- ingenic,jz4770-cgu |
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- ingenic,jz4780-cgu |
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- ingenic,x1000-cgu |
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- ingenic,x1830-cgu |
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- const: simple-mfd |
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minItems: 1 |
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reg: |
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maxItems: 1 |
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clocks: |
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items: |
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- description: External oscillator clock |
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- description: Internal 32 kHz RTC clock |
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clock-names: |
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items: |
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- const: ext |
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- enum: |
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- rtc |
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- osc32k # Different name, same clock |
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assigned-clocks: |
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minItems: 1 |
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maxItems: 64 |
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assigned-clock-parents: |
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minItems: 1 |
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maxItems: 64 |
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assigned-clock-rates: |
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minItems: 1 |
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maxItems: 64 |
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required: |
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- "#clock-cells" |
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- compatible |
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- reg |
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- clocks |
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- clock-names |
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patternProperties: |
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"^usb-phy@[a-f0-9]+$": |
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allOf: [ $ref: "../phy/ingenic,phy-usb.yaml#" ] |
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additionalProperties: false |
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examples: |
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- | |
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#include <dt-bindings/clock/jz4770-cgu.h> |
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cgu: clock-controller@10000000 { |
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compatible = "ingenic,jz4770-cgu", "simple-mfd"; |
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reg = <0x10000000 0x100>; |
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#address-cells = <1>; |
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#size-cells = <1>; |
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ranges = <0x0 0x10000000 0x100>; |
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clocks = <&ext>, <&osc32k>; |
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clock-names = "ext", "osc32k"; |
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#clock-cells = <1>; |
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otg_phy: usb-phy@3c { |
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compatible = "ingenic,jz4770-phy"; |
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reg = <0x3c 0x10>; |
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clocks = <&cgu JZ4770_CLK_OTG_PHY>; |
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vcc-supply = <&ldo5>; |
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#phy-cells = <0>; |
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}; |
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};
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