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# SPDX-License-Identifier: GPL-2.0
%YAML 1.2
---
$id: http://devicetree.org/schemas/i2c/allwinner,sun6i-a31-p2wi.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Allwinner A31 P2WI (Push/Pull 2 Wires Interface) Device Tree Bindings
maintainers:
- Chen-Yu Tsai <wens@csie.org>
- Maxime Ripard <maxime.ripard@bootlin.com>
allOf:
- $ref: /schemas/i2c/i2c-controller.yaml#
properties:
compatible:
const: allwinner,sun6i-a31-p2wi
reg:
maxItems: 1
interrupts:
maxItems: 1
clocks:
maxItems: 1
resets:
maxItems: 1
clock-frequency:
minimum: 1
maximum: 6000000
required:
- compatible
- reg
- interrupts
- clocks
- resets
# FIXME: We should set it, but it would report all the generic
# properties as additional properties.
# additionalProperties: false
examples:
- |
i2c@1f03400 {
compatible = "allwinner,sun6i-a31-p2wi";
reg = <0x01f03400 0x400>;
interrupts = <0 39 4>;
clocks = <&apb0_gates 3>;
clock-frequency = <100000>;
resets = <&apb0_rst 3>;
#address-cells = <1>;
#size-cells = <0>;
axp221: pmic@68 {
compatible = "x-powers,axp221";
reg = <0x68>;
};
};
...
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