bindings/i2c/i2c-imx.yaml

0001 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
0002 %YAML 1.2
0003 ---
0004 $id: http://devicetree.org/schemas/i2c/i2c-imx.yaml#
0005 $schema: http://devicetree.org/meta-schemas/core.yaml#
0006
0007 title: Freescale Inter IC (I2C) and High Speed Inter IC (HS-I2C) for i.MX
0008
0009 maintainers:
0010   - Oleksij Rempel <o.rempel@pengutronix.de>
0011
0012 allOf:
0013   - $ref: /schemas/i2c/i2c-controller.yaml#
0014
0015 properties:
0016   compatible:
0017     oneOf:
0018       - const: fsl,imx1-i2c
0019       - const: fsl,imx21-i2c
0020       - const: fsl,vf610-i2c
0021       - items:
0022           - const: fsl,imx35-i2c
0023           - const: fsl,imx1-i2c
0024       - items:
0025           - const: fsl,imx7d-i2c
0026           - const: fsl,imx21-i2c
0027       - items:
0028           - enum:
0029               - fsl,imx25-i2c
0030               - fsl,imx27-i2c
0031               - fsl,imx31-i2c
0032               - fsl,imx50-i2c
0033               - fsl,imx51-i2c
0034               - fsl,imx53-i2c
0035               - fsl,imx6q-i2c
0036               - fsl,imx6sl-i2c
0037               - fsl,imx6sx-i2c
0038               - fsl,imx6sll-i2c
0039               - fsl,imx6ul-i2c
0040               - fsl,imx7s-i2c
0041               - fsl,imx8mq-i2c
0042               - fsl,imx8mm-i2c
0043               - fsl,imx8mn-i2c
0044               - fsl,imx8mp-i2c
0045           - const: fsl,imx21-i2c
0046
0047   reg:
0048     maxItems: 1
0049
0050   interrupts:
0051     maxItems: 1
0052
0053   clocks:
0054     maxItems: 1
0055
0056   clock-names:
0057     const: ipg
0058
0059   clock-frequency:
0060     minimum: 1
0061     default: 100000
0062     maximum: 400000
0063
0064   dmas:
0065     items:
0066       - description: DMA controller phandle and request line for RX
0067       - description: DMA controller phandle and request line for TX
0068
0069   dma-names:
0070     items:
0071       - const: rx
0072       - const: tx
0073
0074   sda-gpios:
0075     maxItems: 1
0076
0077   scl-gpios:
0078     maxItems: 1
0079
0080 required:
0081   - compatible
0082   - reg
0083   - interrupts
0084   - clocks
0085
0086 unevaluatedProperties: false
0087
0088 examples:
0089   - |
0090     #include <dt-bindings/clock/imx5-clock.h>
0091     #include <dt-bindings/interrupt-controller/irq.h>
0092
0093     i2c@83fc4000 {
0094         compatible = "fsl,imx51-i2c", "fsl,imx21-i2c";
0095         reg = <0x83fc4000 0x4000>;
0096         interrupts = <63>;
0097         clocks = <&clks IMX5_CLK_I2C2_GATE>;
0098     };
0099
0100   - |
0101     #include <dt-bindings/clock/vf610-clock.h>
0102
0103     i2c@40066000 {
0104         compatible = "fsl,vf610-i2c";
0105         reg = <0x40066000 0x1000>;
0106         interrupts = <71 IRQ_TYPE_LEVEL_HIGH>;
0107         clocks = <&clks VF610_CLK_I2C0>;
0108         clock-names = "ipg";
0109         dmas = <&edma0 0 50>,
0110                <&edma0 0 51>;
0111         dma-names = "rx", "tx";
0112     };