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# SPDX-License-Identifier: GPL-2.0
%YAML 1.2
---
$id: http://devicetree.org/schemas/clock/allwinner,sun4i-a10-ccu.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Allwinner Clock Control Unit Device Tree Bindings
maintainers:
- Chen-Yu Tsai <wens@csie.org>
- Maxime Ripard <maxime.ripard@bootlin.com>
properties:
"#clock-cells":
const: 1
"#reset-cells":
const: 1
compatible:
enum:
- allwinner,sun4i-a10-ccu
- allwinner,sun5i-a10s-ccu
- allwinner,sun5i-a13-ccu
- allwinner,sun6i-a31-ccu
- allwinner,sun7i-a20-ccu
- allwinner,sun8i-a23-ccu
- allwinner,sun8i-a33-ccu
- allwinner,sun8i-a83t-ccu
- allwinner,sun8i-a83t-r-ccu
- allwinner,sun8i-h3-ccu
- allwinner,sun8i-h3-r-ccu
- allwinner,sun8i-r40-ccu
- allwinner,sun8i-v3s-ccu
- allwinner,sun9i-a80-ccu
- allwinner,sun50i-a64-ccu
- allwinner,sun50i-a64-r-ccu
- allwinner,sun50i-h5-ccu
- allwinner,sun50i-h6-ccu
- allwinner,sun50i-h6-r-ccu
- allwinner,suniv-f1c100s-ccu
- nextthing,gr8-ccu
reg:
maxItems: 1
clocks:
minItems: 2
maxItems: 4
items:
- description: High Frequency Oscillator (usually at 24MHz)
- description: Low Frequency Oscillator (usually at 32kHz)
- description: Internal Oscillator
- description: Peripherals PLL
clock-names:
minItems: 2
maxItems: 4
items:
- const: hosc
- const: losc
- const: iosc
- const: pll-periph
required:
- "#clock-cells"
- "#reset-cells"
- compatible
- reg
- clocks
- clock-names
if:
properties:
compatible:
enum:
- allwinner,sun8i-a83t-r-ccu
- allwinner,sun8i-h3-r-ccu
- allwinner,sun50i-a64-r-ccu
- allwinner,sun50i-h6-r-ccu
then:
properties:
clocks:
minItems: 4
maxItems: 4
clock-names:
minItems: 4
maxItems: 4
else:
if:
properties:
compatible:
const: allwinner,sun50i-h6-ccu
then:
properties:
clocks:
minItems: 3
maxItems: 3
clock-names:
minItems: 3
maxItems: 3
else:
properties:
clocks:
minItems: 2
maxItems: 2
clock-names:
minItems: 2
maxItems: 2
additionalProperties: false
examples:
- |
ccu: clock@1c20000 {
compatible = "allwinner,sun8i-h3-ccu";
reg = <0x01c20000 0x400>;
clocks = <&osc24M>, <&osc32k>;
clock-names = "hosc", "losc";
#clock-cells = <1>;
#reset-cells = <1>;
};
- |
r_ccu: clock@1f01400 {
compatible = "allwinner,sun50i-a64-r-ccu";
reg = <0x01f01400 0x100>;
clocks = <&osc24M>, <&osc32k>, <&iosc>, <&ccu 11>;
clock-names = "hosc", "losc", "iosc", "pll-periph";
#clock-cells = <1>;
#reset-cells = <1>;
};
...
|
