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 <maxime.ripard@bootlin.com> 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 maxItems: 2 41 items: 42 - description: Module Clock 43 - description: Bus Clock 44 45 # Even though it only applies to subschemas under the conditionals, 46 # not listing them here will trigger a warning because of the 47 # additionalsProperties set to false. 48 clock-names: true 49 50 resets: 51 maxItems: 1 52 53if: 54 properties: 55 compatible: 56 contains: 57 const: allwinner,sun50i-h6-pwm 58 59then: 60 properties: 61 clocks: 62 maxItems: 2 63 64 clock-names: 65 items: 66 - const: mod 67 - const: bus 68 69 required: 70 - clock-names 71 - resets 72 73else: 74 properties: 75 clocks: 76 maxItems: 1 77 78required: 79 - "#pwm-cells" 80 - compatible 81 - reg 82 - clocks 83 84additionalProperties: false 85 86examples: 87 - | 88 pwm: pwm@1c20e00 { 89 compatible = "allwinner,sun7i-a20-pwm"; 90 reg = <0x01c20e00 0xc>; 91 clocks = <&osc24M>; 92 #pwm-cells = <3>; 93 }; 94 95 - | 96 #include <dt-bindings/clock/sun50i-h6-ccu.h> 97 #include <dt-bindings/reset/sun50i-h6-ccu.h> 98 99 pwm@300a000 { 100 compatible = "allwinner,sun50i-h6-pwm"; 101 reg = <0x0300a000 0x400>; 102 clocks = <&osc24M>, <&ccu CLK_BUS_PWM>; 103 clock-names = "mod", "bus"; 104 resets = <&ccu RST_BUS_PWM>; 105 #pwm-cells = <3>; 106 }; 107 108... 109