111 lines
2.2 KiB
YAML
111 lines
2.2 KiB
YAML
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# SPDX-License-Identifier: GPL-2.0
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/pwm/allwinner,sun4i-a10-pwm.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Allwinner A10 PWM Device Tree Bindings
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maintainers:
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- Chen-Yu Tsai <wens@csie.org>
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- Maxime Ripard <mripard@kernel.org>
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properties:
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"#pwm-cells":
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const: 3
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compatible:
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oneOf:
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- const: allwinner,sun4i-a10-pwm
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- const: allwinner,sun5i-a10s-pwm
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- const: allwinner,sun5i-a13-pwm
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- const: allwinner,sun7i-a20-pwm
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- const: allwinner,sun8i-h3-pwm
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- items:
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- const: allwinner,sun8i-a83t-pwm
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- const: allwinner,sun8i-h3-pwm
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- items:
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- const: allwinner,sun8i-v3s-pwm
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- const: allwinner,sun7i-a20-pwm
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- items:
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- const: allwinner,sun50i-a64-pwm
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- const: allwinner,sun5i-a13-pwm
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- items:
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- const: allwinner,sun50i-h5-pwm
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- const: allwinner,sun5i-a13-pwm
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- const: allwinner,sun50i-h6-pwm
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reg:
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maxItems: 1
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clocks:
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minItems: 1
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items:
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- description: Module Clock
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- description: Bus Clock
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# Even though it only applies to subschemas under the conditionals,
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# not listing them here will trigger a warning because of the
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# additionalsProperties set to false.
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clock-names: true
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resets:
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maxItems: 1
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if:
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properties:
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compatible:
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contains:
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const: allwinner,sun50i-h6-pwm
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then:
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properties:
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clocks:
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maxItems: 2
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clock-names:
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items:
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- const: mod
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- const: bus
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required:
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- clock-names
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- resets
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else:
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properties:
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clocks:
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maxItems: 1
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required:
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- "#pwm-cells"
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- compatible
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- reg
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- clocks
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additionalProperties: false
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examples:
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- |
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pwm: pwm@1c20e00 {
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compatible = "allwinner,sun7i-a20-pwm";
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reg = <0x01c20e00 0xc>;
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clocks = <&osc24M>;
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#pwm-cells = <3>;
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};
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- |
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#include <dt-bindings/clock/sun50i-h6-ccu.h>
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#include <dt-bindings/reset/sun50i-h6-ccu.h>
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pwm@300a000 {
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compatible = "allwinner,sun50i-h6-pwm";
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reg = <0x0300a000 0x400>;
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clocks = <&osc24M>, <&ccu CLK_BUS_PWM>;
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clock-names = "mod", "bus";
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resets = <&ccu RST_BUS_PWM>;
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#pwm-cells = <3>;
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};
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...
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