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Diffstat (limited to 'Documentation/devicetree/bindings/clock/ingenic,cgu.yaml')
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diff --git a/Documentation/devicetree/bindings/clock/ingenic,cgu.yaml b/Documentation/devicetree/bindings/clock/ingenic,cgu.yaml new file mode 100644 index 000000000..5dd7ea8a7 --- /dev/null +++ b/Documentation/devicetree/bindings/clock/ingenic,cgu.yaml @@ -0,0 +1,124 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/clock/ingenic,cgu.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Ingenic SoCs CGU devicetree bindings + +description: | + The CGU in an Ingenic SoC provides all the clocks generated on-chip. It + typically includes a variety of PLLs, multiplexers, dividers & gates in order + to provide many different clock signals derived from only 2 external source + clocks. + +maintainers: + - Paul Cercueil <paul@crapouillou.net> + +select: + properties: + compatible: + contains: + enum: + - ingenic,jz4740-cgu + - ingenic,jz4725b-cgu + - ingenic,jz4770-cgu + - ingenic,jz4780-cgu + - ingenic,x1000-cgu + - ingenic,x1830-cgu + required: + - compatible + +properties: + $nodename: + pattern: "^clock-controller@[0-9a-f]+$" + + "#address-cells": + const: 1 + + "#size-cells": + const: 1 + + "#clock-cells": + const: 1 + + ranges: true + + compatible: + items: + - enum: + - ingenic,jz4740-cgu + - ingenic,jz4725b-cgu + - ingenic,jz4770-cgu + - ingenic,jz4780-cgu + - ingenic,x1000-cgu + - ingenic,x1830-cgu + - const: simple-mfd + minItems: 1 + + reg: + maxItems: 1 + + clocks: + items: + - description: External oscillator clock + - description: Internal 32 kHz RTC clock + + clock-names: + items: + - const: ext + - enum: + - rtc + - osc32k # Different name, same clock + + assigned-clocks: + minItems: 1 + maxItems: 64 + + assigned-clock-parents: + minItems: 1 + maxItems: 64 + + assigned-clock-rates: + minItems: 1 + maxItems: 64 + +required: + - "#clock-cells" + - compatible + - reg + - clocks + - clock-names + +patternProperties: + "^usb-phy@[a-f0-9]+$": + allOf: [ $ref: "../usb/ingenic,jz4770-phy.yaml#" ] + +additionalProperties: false + +examples: + - | + #include <dt-bindings/clock/jz4770-cgu.h> + cgu: clock-controller@10000000 { + compatible = "ingenic,jz4770-cgu", "simple-mfd"; + reg = <0x10000000 0x100>; + #address-cells = <1>; + #size-cells = <1>; + ranges = <0x0 0x10000000 0x100>; + + clocks = <&ext>, <&osc32k>; + clock-names = "ext", "osc32k"; + + #clock-cells = <1>; + + otg_phy: usb-phy@3c { + compatible = "ingenic,jz4770-phy"; + reg = <0x3c 0x10>; + + clocks = <&cgu JZ4770_CLK_OTG_PHY>; + + vcc-supply = <&ldo5>; + + #phy-cells = <0>; + }; + }; |