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           - enum:
  23               - fsl,ls1012a-i2c
  24               - fsl,ls1021a-i2c
  25               - fsl,ls1028a-i2c
  26               - fsl,ls1043a-i2c
  27               - fsl,ls1046a-i2c
  28               - fsl,ls1088a-i2c
  29               - fsl,ls208xa-i2c
  30               - fsl,lx2160a-i2c
  31           - const: fsl,vf610-i2c
  32       - items:
  33           - const: fsl,imx35-i2c
  34           - const: fsl,imx1-i2c
  35       - items:
  36           - const: fsl,imx7d-i2c
  37           - const: fsl,imx21-i2c
  38       - items:
  39           - enum:
  40               - fsl,imx25-i2c
  41               - fsl,imx27-i2c
  42               - fsl,imx31-i2c
  43               - fsl,imx50-i2c
  44               - fsl,imx51-i2c
  45               - fsl,imx53-i2c
  46               - fsl,imx6q-i2c
  47               - fsl,imx6sl-i2c
  48               - fsl,imx6sx-i2c
  49               - fsl,imx6sll-i2c
  50               - fsl,imx6ul-i2c
  51               - fsl,imx7s-i2c
  52               - fsl,imx8mq-i2c
  53               - fsl,imx8mm-i2c
  54               - fsl,imx8mn-i2c
  55               - fsl,imx8mp-i2c
  56           - const: fsl,imx21-i2c
  57
  58   reg:
  59     maxItems: 1
  60
  61   interrupts:
  62     maxItems: 1
  63
  64   clocks:
  65     maxItems: 1
  66
  67   clock-names:
  68     const: ipg
  69
  70   clock-frequency:
  71     minimum: 1
  72     default: 100000
  73     maximum: 400000
  74
  75   dmas:
  76     items:
  77       - description: DMA controller phandle and request line for RX
  78       - description: DMA controller phandle and request line for TX
  79
  80   dma-names:
  81     items:
  82       - const: rx
  83       - const: tx
  84
  85   sda-gpios:
  86     maxItems: 1
  87
  88   scl-gpios:
  89     maxItems: 1
  90
  91 required:
  92   - compatible
  93   - reg
  94   - interrupts
  95   - clocks
  96
  97 unevaluatedProperties: false
  98
  99 examples:
 100   - |
 101     #include <dt-bindings/clock/imx5-clock.h>
 102     #include <dt-bindings/interrupt-controller/irq.h>
 103
 104     i2c@83fc4000 {
 105         compatible = "fsl,imx51-i2c", "fsl,imx21-i2c";
 106         reg = <0x83fc4000 0x4000>;
 107         interrupts = <63>;
 108         clocks = <&clks IMX5_CLK_I2C2_GATE>;
 109     };
 110
 111   - |
 112     #include <dt-bindings/clock/vf610-clock.h>
 113
 114     i2c@40066000 {
 115         compatible = "fsl,vf610-i2c";
 116         reg = <0x40066000 0x1000>;
 117         interrupts = <71 IRQ_TYPE_LEVEL_HIGH>;
 118         clocks = <&clks VF610_CLK_I2C0>;
 119         clock-names = "ipg";
 120         dmas = <&edma0 0 50>,
 121                <&edma0 0 51>;
 122         dma-names = "rx", "tx";
 123     };