Documentation/devicetree/bindings/i2c/i2c-imx.yaml

   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     enum: [ 100000, 400000 ]
  61
  62   dmas:
  63     items:
  64       - description: DMA controller phandle and request line for RX
  65       - description: DMA controller phandle and request line for TX
  66
  67   dma-names:
  68     items:
  69       - const: rx
  70       - const: tx
  71
  72   sda-gpios:
  73     maxItems: 1
  74
  75   scl-gpios:
  76     maxItems: 1
  77
  78 required:
  79   - compatible
  80   - reg
  81   - interrupts
  82   - clocks
  83
  84 unevaluatedProperties: false
  85
  86 examples:
  87   - |
  88     #include <dt-bindings/clock/imx5-clock.h>
  89     #include <dt-bindings/clock/vf610-clock.h>
  90     #include <dt-bindings/gpio/gpio.h>
  91     #include <dt-bindings/interrupt-controller/arm-gic.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     i2c@40066000 {
 101         compatible = "fsl,vf610-i2c";
 102         reg = <0x40066000 0x1000>;
 103         interrupts = <71 IRQ_TYPE_LEVEL_HIGH>;
 104         clocks = <&clks VF610_CLK_I2C0>;
 105         clock-names = "ipg";
 106         dmas = <&edma0 0 50>,
 107                <&edma0 0 51>;
 108         dma-names = "rx", "tx";
 109     };