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
  7title: Freescale Inter IC (I2C) and High Speed Inter IC (HS-I2C) for i.MX
  8
  9maintainers:
 10  - Oleksij Rempel <o.rempel@pengutronix.de>
 11
 12allOf:
 13  - $ref: /schemas/i2c/i2c-controller.yaml#
 14
 15properties:
 16  compatible:
 17    oneOf:
 18      - const: fsl,imx1-i2c
 19      - const: fsl,imx21-i2c
 20      - const: fsl,vf610-i2c
 21      - const: nxp,s32g2-i2c
 22      - items:
 23          - enum:
 24              - fsl,ls1012a-i2c
 25              - fsl,ls1021a-i2c
 26              - fsl,ls1028a-i2c
 27              - fsl,ls1043a-i2c
 28              - fsl,ls1046a-i2c
 29              - fsl,ls1088a-i2c
 30              - fsl,ls208xa-i2c
 31              - fsl,lx2160a-i2c
 32          - const: fsl,vf610-i2c
 33      - items:
 34          - const: fsl,imx35-i2c
 35          - const: fsl,imx1-i2c
 36      - items:
 37          - const: fsl,imx7d-i2c
 38          - const: fsl,imx21-i2c
 39      - items:
 40          - enum:
 41              - fsl,imx25-i2c
 42              - fsl,imx27-i2c
 43              - fsl,imx31-i2c
 44              - fsl,imx50-i2c
 45              - fsl,imx51-i2c
 46              - fsl,imx53-i2c
 47              - fsl,imx6q-i2c
 48              - fsl,imx6sl-i2c
 49              - fsl,imx6sx-i2c
 50              - fsl,imx6sll-i2c
 51              - fsl,imx6ul-i2c
 52              - fsl,imx7s-i2c
 53              - fsl,imx8mq-i2c
 54              - fsl,imx8mm-i2c
 55              - fsl,imx8mn-i2c
 56              - fsl,imx8mp-i2c
 57          - const: fsl,imx21-i2c
 58      - items:
 59          - const: nxp,s32g3-i2c
 60          - const: nxp,s32g2-i2c
 61
 62  reg:
 63    maxItems: 1
 64
 65  interrupts:
 66    maxItems: 1
 67
 68  clocks:
 69    maxItems: 1
 70
 71  clock-names:
 72    const: ipg
 73
 74  clock-frequency:
 75    minimum: 1
 76    default: 100000
 77    maximum: 400000
 78
 79  dmas:
 80    items:
 81      - description: DMA controller phandle and request line for RX
 82      - description: DMA controller phandle and request line for TX
 83
 84  dma-names:
 85    items:
 86      - const: rx
 87      - const: tx
 88
 89  sda-gpios:
 90    maxItems: 1
 91
 92  scl-gpios:
 93    maxItems: 1
 94
 95required:
 96  - compatible
 97  - reg
 98  - interrupts
 99  - clocks
100
101unevaluatedProperties: false
102
103examples:
104  - |
105    #include <dt-bindings/clock/imx5-clock.h>
106    #include <dt-bindings/interrupt-controller/irq.h>
107
108    i2c@83fc4000 {
109        compatible = "fsl,imx51-i2c", "fsl,imx21-i2c";
110        reg = <0x83fc4000 0x4000>;
111        interrupts = <63>;
112        clocks = <&clks IMX5_CLK_I2C2_GATE>;
113    };
114
115  - |
116    #include <dt-bindings/clock/vf610-clock.h>
117
118    i2c@40066000 {
119        compatible = "fsl,vf610-i2c";
120        reg = <0x40066000 0x1000>;
121        interrupts = <71 IRQ_TYPE_LEVEL_HIGH>;
122        clocks = <&clks VF610_CLK_I2C0>;
123        clock-names = "ipg";
124        dmas = <&edma0 0 50>,
125               <&edma0 0 51>;
126        dma-names = "rx", "tx";
127    };