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51906dd173
clock-frequency is only restricted by the upper limit of 400 kHz.
Found with:
$ DT_SCHEMA_FILES=Documentation/devicetree/bindings/i2c/i2c-imx.yaml make dtbs_check
...
arch/arm64/boot/dts/freescale/imx8mq-librem5-r2.dt.yaml: i2c@30a20000: clock-frequency:0:0: 387000 is not one of [100000, 400000]
From schema: linux/Documentation/devicetree/bindings/i2c/i2c-imx.yaml
...
Fixes: 4bdc443472 ("dt-bindings: i2c: Convert imx i2c to json-schema")
Signed-off-by: David Heidelberg <david@ixit.cz>
Reviewed-by: Oleksij Rempel <o.rempel@pengutronix.de>
Link: https://lore.kernel.org/r/20211029141134.66170-1-david@ixit.cz
Signed-off-by: Rob Herring <robh@kernel.org>
111 lines
2.4 KiB
YAML
111 lines
2.4 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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$id: http://devicetree.org/schemas/i2c/i2c-imx.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Freescale Inter IC (I2C) and High Speed Inter IC (HS-I2C) for i.MX
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maintainers:
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- Oleksij Rempel <o.rempel@pengutronix.de>
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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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oneOf:
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- const: fsl,imx1-i2c
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- const: fsl,imx21-i2c
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- const: fsl,vf610-i2c
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- items:
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- const: fsl,imx35-i2c
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- const: fsl,imx1-i2c
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- items:
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- const: fsl,imx7d-i2c
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- const: fsl,imx21-i2c
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- items:
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- enum:
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- fsl,imx25-i2c
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- fsl,imx27-i2c
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- fsl,imx31-i2c
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- fsl,imx50-i2c
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- fsl,imx51-i2c
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- fsl,imx53-i2c
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- fsl,imx6q-i2c
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- fsl,imx6sl-i2c
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- fsl,imx6sx-i2c
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- fsl,imx6sll-i2c
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- fsl,imx6ul-i2c
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- fsl,imx7s-i2c
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- fsl,imx8mq-i2c
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- fsl,imx8mm-i2c
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- fsl,imx8mn-i2c
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- fsl,imx8mp-i2c
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- const: fsl,imx21-i2c
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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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maxItems: 1
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clock-names:
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const: ipg
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clock-frequency:
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minimum: 1
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default: 100000
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maximum: 400000
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dmas:
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items:
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- description: DMA controller phandle and request line for RX
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- description: DMA controller phandle and request line for TX
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dma-names:
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items:
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- const: rx
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- const: tx
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sda-gpios:
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maxItems: 1
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scl-gpios:
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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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#include <dt-bindings/clock/imx5-clock.h>
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#include <dt-bindings/clock/vf610-clock.h>
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#include <dt-bindings/gpio/gpio.h>
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#include <dt-bindings/interrupt-controller/arm-gic.h>
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i2c@83fc4000 {
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compatible = "fsl,imx51-i2c", "fsl,imx21-i2c";
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reg = <0x83fc4000 0x4000>;
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interrupts = <63>;
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clocks = <&clks IMX5_CLK_I2C2_GATE>;
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};
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i2c@40066000 {
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compatible = "fsl,vf610-i2c";
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reg = <0x40066000 0x1000>;
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interrupts = <71 IRQ_TYPE_LEVEL_HIGH>;
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clocks = <&clks VF610_CLK_I2C0>;
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clock-names = "ipg";
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dmas = <&edma0 0 50>,
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<&edma0 0 51>;
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dma-names = "rx", "tx";
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};
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