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