730f205190
Convert the Actions Semi Owl I2C DT binding to a YAML schema for enabling DT validation. Additionally, add a new compatible string corresponding to the I2C controller found in the S500 variant of the Actions Semi Owl SoCs family. Signed-off-by: Cristian Ciocaltea <cristian.ciocaltea@gmail.com> Reviewed-by: Rob Herring <robh@kernel.org> Signed-off-by: Wolfram Sang <wsa@kernel.org>
63 lines
1.4 KiB
YAML
63 lines
1.4 KiB
YAML
# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/i2c/i2c-owl.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Actions Semi Owl I2C Controller
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maintainers:
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- Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
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description: |
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This I2C controller is found in the Actions Semi Owl SoCs:
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S500, S700 and S900.
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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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- actions,s500-i2c # Actions Semi S500 compatible SoCs
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- actions,s700-i2c # Actions Semi S700 compatible SoCs
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- actions,s900-i2c # Actions Semi S900 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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description: Phandle of the clock feeding the I2C controller.
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minItems: 1
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clock-frequency:
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description: |
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Desired I2C bus clock frequency in Hz. As only Standard and Fast
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modes are supported, possible values are 100000 and 400000.
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enum: [100000, 400000]
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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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#include <dt-bindings/clock/actions,s900-cmu.h>
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#include <dt-bindings/interrupt-controller/arm-gic.h>
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i2c@e0170000 {
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compatible = "actions,s900-i2c";
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reg = <0xe0170000 0x1000>;
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interrupts = <GIC_SPI 25 IRQ_TYPE_LEVEL_HIGH>;
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clocks = <&cmu CLK_I2C0>;
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clock-frequency = <100000>;
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};
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...
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