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https://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson
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ab1c7ea48f
On newer SoCs, the I2C hardware can require a power domain to operate. Since the same compatible is used for older and newer SoCs make power-domains property optional. Signed-off-by: George Stark <gnstark@salutedevices.com> Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org> Reviewed-by: Rob Herring (Arm) <robh@kernel.org> Signed-off-by: Andi Shyti <andi.shyti@kernel.org>
59 lines
1.1 KiB
YAML
59 lines
1.1 KiB
YAML
# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
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# Copyright 2019 BayLibre, SAS
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/i2c/amlogic,meson6-i2c.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Amlogic Meson I2C Controller
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maintainers:
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- Neil Armstrong <neil.armstrong@linaro.org>
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- Beniamino Galvani <b.galvani@gmail.com>
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allOf:
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- $ref: /schemas/i2c/i2c-controller.yaml#
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properties:
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compatible:
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enum:
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- amlogic,meson6-i2c # Meson6, Meson8 and compatible SoCs
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- amlogic,meson-gxbb-i2c # GXBB and compatible SoCs
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- amlogic,meson-axg-i2c # AXG and compatible SoCs
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reg:
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maxItems: 1
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interrupts:
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maxItems: 1
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clocks:
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minItems: 1
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power-domains:
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maxItems: 1
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required:
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- compatible
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- reg
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- interrupts
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- clocks
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unevaluatedProperties: false
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examples:
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- |
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i2c@c8100500 {
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compatible = "amlogic,meson6-i2c";
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reg = <0xc8100500 0x20>;
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interrupts = <92>;
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clocks = <&clk81>;
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#address-cells = <1>;
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#size-cells = <0>;
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eeprom@52 {
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compatible = "atmel,24c32";
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reg = <0x52>;
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};
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};
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