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This doesn't yet do anything in the tools, but make it explicit so we can check either 'unevaluatedProperties' or 'additionalProperties' is present in schemas. 'unevaluatedProperties' is appropriate when including another schema (via '$ref') and all possible properties and/or child nodes are not explicitly listed in the schema with the '$ref'. This is in preparation to add a meta-schema to check for missing 'unevaluatedProperties' or 'additionalProperties'. This has been a constant source of review issues. Acked-by: Mark Brown <broonie@kernel.org> Acked-by: Wolfram Sang <wsa@kernel.org> Acked-by: Krzysztof Kozlowski <krzk@kernel.org> Acked-By: Vinod Koul <vkoul@kernel.org> Acked-by: Geert Uytterhoeven <geert+renesas@glider.be> Acked-by: Ulf Hansson <ulf.hansson@linaro.org> Acked-by: Guenter Roeck <linux@roeck-us.net> Acked-by: Mathieu Poirier <mathieu.poirier@linaro.org> Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com> Link: https://lore.kernel.org/r/20201005183830.486085-2-robh@kernel.org Signed-off-by: Rob Herring <robh@kernel.org>
61 lines
1.2 KiB
YAML
61 lines
1.2 KiB
YAML
# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
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%YAML 1.2
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---
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$id: "http://devicetree.org/schemas/i2c/cdns,i2c-r1p10.yaml#"
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$schema: "http://devicetree.org/meta-schemas/core.yaml#"
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title: Cadence I2C controller Device Tree Bindings
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maintainers:
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- Michal Simek <michal.simek@xilinx.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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- cdns,i2c-r1p10 # cadence i2c controller version 1.0
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- cdns,i2c-r1p14 # cadence i2c controller version 1.4
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reg:
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maxItems: 1
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clocks:
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minItems: 1
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interrupts:
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maxItems: 1
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clock-frequency:
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minimum: 1
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maximum: 400000
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description: |
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Desired operating frequency, in Hz, of the bus.
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clock-name:
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const: pclk
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description: |
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Input clock name.
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required:
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- compatible
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- reg
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- clocks
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- interrupts
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unevaluatedProperties: false
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examples:
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- |
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#include <dt-bindings/interrupt-controller/arm-gic.h>
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i2c@e0004000 {
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compatible = "cdns,i2c-r1p10";
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clocks = <&clkc 38>;
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interrupts = <GIC_SPI 25 IRQ_TYPE_LEVEL_HIGH>;
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reg = <0xe0004000 0x1000>;
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clock-frequency = <400000>;
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#address-cells = <1>;
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#size-cells = <0>;
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};
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