137 lines
3.1 KiB
YAML
137 lines
3.1 KiB
YAML
# 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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$id: http://devicetree.org/schemas/clock/allwinner,sun55i-a523-ccu.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Allwinner A523 Clock Control Unit
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maintainers:
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- Andre Przywara <andre.przywara@arm.com>
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properties:
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"#clock-cells":
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const: 1
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"#reset-cells":
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const: 1
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compatible:
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enum:
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- allwinner,sun55i-a523-ccu
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- allwinner,sun55i-a523-mcu-ccu
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- allwinner,sun55i-a523-r-ccu
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reg:
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maxItems: 1
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clocks:
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minItems: 4
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maxItems: 9
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clock-names:
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minItems: 4
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maxItems: 9
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required:
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- "#clock-cells"
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- "#reset-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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allOf:
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- if:
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properties:
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compatible:
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enum:
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- allwinner,sun55i-a523-ccu
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then:
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properties:
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clocks:
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items:
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- description: High Frequency Oscillator (usually at 24MHz)
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- description: Low Frequency Oscillator (usually at 32kHz)
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- description: Internal Oscillator
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- description: Low Frequency Oscillator fanout
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clock-names:
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items:
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- const: hosc
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- const: losc
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- const: iosc
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- const: losc-fanout
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- if:
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properties:
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compatible:
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enum:
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- allwinner,sun55i-a523-mcu-ccu
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then:
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properties:
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clocks:
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items:
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- description: High Frequency Oscillator (usually at 24MHz)
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- description: Low Frequency Oscillator (usually at 32kHz)
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- description: Internal Oscillator
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- description: Audio PLL (4x)
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- description: Peripherals PLL 0 (300 MHz output)
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- description: DSP module clock
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- description: MBUS clock
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- description: PRCM AHB clock
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- description: PRCM APB0 clock
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clock-names:
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items:
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- const: hosc
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- const: losc
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- const: iosc
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- const: pll-audio0-4x
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- const: pll-periph0-300m
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- const: dsp
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- const: mbus
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- const: r-ahb
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- const: r-apb0
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- if:
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properties:
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compatible:
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enum:
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- allwinner,sun55i-a523-r-ccu
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then:
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properties:
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clocks:
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items:
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- description: High Frequency Oscillator (usually at 24MHz)
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- description: Low Frequency Oscillator (usually at 32kHz)
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- description: Internal Oscillator
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- description: Peripherals PLL
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- description: Audio PLL
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clock-names:
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items:
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- const: hosc
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- const: losc
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- const: iosc
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- const: pll-periph
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- const: pll-audio
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additionalProperties: false
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examples:
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- |
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clock-controller@2001000 {
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compatible = "allwinner,sun55i-a523-ccu";
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reg = <0x02001000 0x1000>;
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clocks = <&osc24M>, <&osc32k>, <&iosc>, <&r_ccu 1>;
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clock-names = "hosc", "losc", "iosc", "losc-fanout";
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#clock-cells = <1>;
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#reset-cells = <1>;
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};
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...
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