i2c-imx.yaml

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    1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
    2 %YAML 1.2
    3 ---
    4 $id: http://devicetree.org/schemas/i2c/i2c-imx.yaml#
    5 $schema: http://devicetree.org/meta-schemas/core.yaml#
    6 
    7 title: Freescale Inter IC (I2C) and High Speed Inter IC (HS-I2C) for i.MX
    8 
    9 maintainers:
   10   - Oleksij Rempel <o.rempel@pengutronix.de>
   11 
   12 allOf:
   13   - $ref: /schemas/i2c/i2c-controller.yaml#
   14 
   15 properties:
   16   compatible:
   17     oneOf:
   18       - const: fsl,imx1-i2c
   19       - const: fsl,imx21-i2c
   20       - const: fsl,vf610-i2c
   21       - items:
   22           - const: fsl,imx35-i2c
   23           - const: fsl,imx1-i2c
   24       - items:
   25           - const: fsl,imx7d-i2c
   26           - const: fsl,imx21-i2c
   27       - items:
   28           - enum:
   29               - fsl,imx25-i2c
   30               - fsl,imx27-i2c
   31               - fsl,imx31-i2c
   32               - fsl,imx50-i2c
   33               - fsl,imx51-i2c
   34               - fsl,imx53-i2c
   35               - fsl,imx6q-i2c
   36               - fsl,imx6sl-i2c
   37               - fsl,imx6sx-i2c
   38               - fsl,imx6sll-i2c
   39               - fsl,imx6ul-i2c
   40               - fsl,imx7s-i2c
   41               - fsl,imx8mq-i2c
   42               - fsl,imx8mm-i2c
   43               - fsl,imx8mn-i2c
   44               - fsl,imx8mp-i2c
   45           - const: fsl,imx21-i2c
   46 
   47   reg:
   48     maxItems: 1
   49 
   50   interrupts:
   51     maxItems: 1
   52 
   53   clocks:
   54     maxItems: 1
   55 
   56   clock-names:
   57     const: ipg
   58 
   59   clock-frequency:
   60     minimum: 1
   61     default: 100000
   62     maximum: 400000
   63 
   64   dmas:
   65     items:
   66       - description: DMA controller phandle and request line for RX
   67       - description: DMA controller phandle and request line for TX
   68 
   69   dma-names:
   70     items:
   71       - const: rx
   72       - const: tx
   73 
   74   sda-gpios:
   75     maxItems: 1
   76 
   77   scl-gpios:
   78     maxItems: 1
   79 
   80 required:
   81   - compatible
   82   - reg
   83   - interrupts
   84   - clocks
   85 
   86 unevaluatedProperties: false
   87 
   88 examples:
   89   - |
   90     #include <dt-bindings/clock/imx5-clock.h>
   91     #include <dt-bindings/interrupt-controller/irq.h>
   92 
   93     i2c@83fc4000 {
   94         compatible = "fsl,imx51-i2c", "fsl,imx21-i2c";
   95         reg = <0x83fc4000 0x4000>;
   96         interrupts = <63>;
   97         clocks = <&clks IMX5_CLK_I2C2_GATE>;
   98     };
   99 
  100   - |
  101     #include <dt-bindings/clock/vf610-clock.h>
  102 
  103     i2c@40066000 {
  104         compatible = "fsl,vf610-i2c";
  105         reg = <0x40066000 0x1000>;
  106         interrupts = <71 IRQ_TYPE_LEVEL_HIGH>;
  107         clocks = <&clks VF610_CLK_I2C0>;
  108         clock-names = "ipg";
  109         dmas = <&edma0 0 50>,
  110                <&edma0 0 51>;
  111         dma-names = "rx", "tx";
  112     };

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sys/contrib/device-tree/Bindings/i2c/i2c-imx.yaml