1# SPDX-License-Identifier: GPL-2.0 2%YAML 1.2 3--- 4$id: http://devicetree.org/schemas/pwm/allwinner,sun4i-a10-pwm.yaml# 5$schema: http://devicetree.org/meta-schemas/core.yaml# 6 7title: Allwinner A10 PWM Device Tree Bindings 8 9maintainers: 10 - Chen-Yu Tsai <wens@csie.org> 11 - Maxime Ripard <mripard@kernel.org> 12 13properties: 14 "#pwm-cells": 15 const: 3 16 17 compatible: 18 oneOf: 19 - const: allwinner,sun4i-a10-pwm 20 - const: allwinner,sun5i-a10s-pwm 21 - const: allwinner,sun5i-a13-pwm 22 - const: allwinner,sun7i-a20-pwm 23 - const: allwinner,sun8i-h3-pwm 24 - items: 25 - const: allwinner,sun8i-a83t-pwm 26 - const: allwinner,sun8i-h3-pwm 27 - items: 28 - const: allwinner,sun50i-a64-pwm 29 - const: allwinner,sun5i-a13-pwm 30 - items: 31 - const: allwinner,sun50i-h5-pwm 32 - const: allwinner,sun5i-a13-pwm 33 - const: allwinner,sun50i-h6-pwm 34 35 reg: 36 maxItems: 1 37 38 clocks: 39 minItems: 1 40 items: 41 - description: Module Clock 42 - description: Bus Clock 43 44 # Even though it only applies to subschemas under the conditionals, 45 # not listing them here will trigger a warning because of the 46 # additionalsProperties set to false. 47 clock-names: true 48 49 resets: 50 maxItems: 1 51 52if: 53 properties: 54 compatible: 55 contains: 56 const: allwinner,sun50i-h6-pwm 57 58then: 59 properties: 60 clocks: 61 maxItems: 2 62 63 clock-names: 64 items: 65 - const: mod 66 - const: bus 67 68 required: 69 - clock-names 70 - resets 71 72else: 73 properties: 74 clocks: 75 maxItems: 1 76 77required: 78 - "#pwm-cells" 79 - compatible 80 - reg 81 - clocks 82 83additionalProperties: false 84 85examples: 86 - | 87 pwm: pwm@1c20e00 { 88 compatible = "allwinner,sun7i-a20-pwm"; 89 reg = <0x01c20e00 0xc>; 90 clocks = <&osc24M>; 91 #pwm-cells = <3>; 92 }; 93 94 - | 95 #include <dt-bindings/clock/sun50i-h6-ccu.h> 96 #include <dt-bindings/reset/sun50i-h6-ccu.h> 97 98 pwm@300a000 { 99 compatible = "allwinner,sun50i-h6-pwm"; 100 reg = <0x0300a000 0x400>; 101 clocks = <&osc24M>, <&ccu CLK_BUS_PWM>; 102 clock-names = "mod", "bus"; 103 resets = <&ccu RST_BUS_PWM>; 104 #pwm-cells = <3>; 105 }; 106 107... 108