131 lines
2.7 KiB
YAML
131 lines
2.7 KiB
YAML
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# 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 <paul@crapouillou.net>
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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,jz4760-cgu
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- ingenic,jz4760b-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,jz4760-cgu
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- ingenic,jz4760b-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: [ $ref: "../phy/ingenic,phy-usb.yaml#" ]
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"^mac-phy-ctrl@[a-f0-9]+$":
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allOf: [ $ref: "../net/ingenic,mac.yaml#" ]
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additionalProperties: false
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examples:
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- |
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#include <dt-bindings/clock/ingenic,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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