Documentation/devicetree/bindings/i2c/i2c-imx-lpi2c.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-lpi2c.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: Freescale Low Power Inter IC (LPI2C) for i.MX
   8
   9 maintainers:
  10   - Anson Huang <Anson.Huang@nxp.com>
  11
  12 allOf:
  13   - $ref: /schemas/i2c/i2c-controller.yaml#
  14
  15 properties:
  16   compatible:
  17     oneOf:
  18       - enum:
  19           - fsl,imx7ulp-lpi2c
  20       - items:
  21           - enum:
  22               - fsl,imx8qxp-lpi2c
  23               - fsl,imx8dxl-lpi2c
  24               - fsl,imx8qm-lpi2c
  25               - fsl,imx8ulp-lpi2c
  26               - fsl,imx93-lpi2c
  27               - fsl,imx95-lpi2c
  28           - const: fsl,imx7ulp-lpi2c
  29
  30   reg:
  31     maxItems: 1
  32
  33   interrupts:
  34     maxItems: 1
  35
  36   assigned-clock-parents: true
  37   assigned-clock-rates: true
  38   assigned-clocks: true
  39   clock-frequency: true
  40
  41   clock-names:
  42     items:
  43       - const: per
  44       - const: ipg
  45
  46   clocks:
  47     maxItems: 2
  48
  49   dmas:
  50     items:
  51       - description: DMA controller phandle and request line for TX
  52       - description: DMA controller phandle and request line for RX
  53
  54   dma-names:
  55     items:
  56       - const: tx
  57       - const: rx
  58
  59   power-domains:
  60     maxItems: 1
  61
  62 required:
  63   - compatible
  64   - reg
  65   - interrupts
  66   - clocks
  67
  68 unevaluatedProperties: false
  69
  70 examples:
  71   - |
  72     #include <dt-bindings/clock/imx7ulp-clock.h>
  73     #include <dt-bindings/interrupt-controller/arm-gic.h>
  74
  75     i2c@40a50000 {
  76         compatible = "fsl,imx7ulp-lpi2c";
  77         reg = <0x40A50000 0x10000>;
  78         interrupt-parent = <&intc>;
  79         interrupts = <GIC_SPI 37 IRQ_TYPE_LEVEL_HIGH>;
  80         clocks = <&clks IMX7ULP_CLK_LPI2C7>,
  81                  <&clks IMX7ULP_CLK_NIC1_BUS_DIV>;
  82     };