1# SPDX-License-Identifier: GPL-2.0 2%YAML 1.2 3--- 4$id: http://devicetree.org/schemas/i2c/allwinner,sun6i-a31-p2wi.yaml# 5$schema: http://devicetree.org/meta-schemas/core.yaml# 6 7title: Allwinner A31 P2WI (Push/Pull 2 Wires Interface) Device Tree Bindings 8 9maintainers: 10 - Chen-Yu Tsai <wens@csie.org> 11 - Maxime Ripard <maxime.ripard@bootlin.com> 12 13allOf: 14 - $ref: /schemas/i2c/i2c-controller.yaml# 15 16properties: 17 compatible: 18 const: allwinner,sun6i-a31-p2wi 19 20 reg: 21 maxItems: 1 22 23 interrupts: 24 maxItems: 1 25 26 clocks: 27 maxItems: 1 28 29 resets: 30 maxItems: 1 31 32 clock-frequency: 33 minimum: 1 34 maximum: 6000000 35 36required: 37 - compatible 38 - reg 39 - interrupts 40 - clocks 41 - resets 42 43# FIXME: We should set it, but it would report all the generic 44# properties as additional properties. 45# additionalProperties: false 46 47examples: 48 - | 49 i2c@1f03400 { 50 compatible = "allwinner,sun6i-a31-p2wi"; 51 reg = <0x01f03400 0x400>; 52 interrupts = <0 39 4>; 53 clocks = <&apb0_gates 3>; 54 clock-frequency = <6000000>; 55 resets = <&apb0_rst 3>; 56 #address-cells = <1>; 57 #size-cells = <0>; 58 59 axp221: pmic@68 { 60 compatible = "x-powers,axp221"; 61 reg = <0x68>; 62 }; 63 }; 64 65... 66