Back to home page

OSCL-LXR

 
 

    


0001 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
0002 %YAML 1.2
0003 ---
0004 $id: "http://devicetree.org/schemas/i2c/cdns,i2c-r1p10.yaml#"
0005 $schema: "http://devicetree.org/meta-schemas/core.yaml#"
0006 
0007 title: Cadence I2C controller Device Tree Bindings
0008 
0009 maintainers:
0010   - Michal Simek <michal.simek@xilinx.com>
0011 
0012 allOf:
0013   - $ref: /schemas/i2c/i2c-controller.yaml#
0014 
0015 properties:
0016   compatible:
0017     enum:
0018       - cdns,i2c-r1p10 # cadence i2c controller version 1.0
0019       - cdns,i2c-r1p14 # cadence i2c controller version 1.4
0020 
0021   reg:
0022     maxItems: 1
0023 
0024   clocks:
0025     minItems: 1
0026 
0027   interrupts:
0028     maxItems: 1
0029 
0030   clock-frequency:
0031     minimum: 1
0032     maximum: 400000
0033     description: |
0034       Desired operating frequency, in Hz, of the bus.
0035 
0036   clock-name:
0037     const: pclk
0038     description: |
0039       Input clock name.
0040 
0041 required:
0042   - compatible
0043   - reg
0044   - clocks
0045   - interrupts
0046 
0047 unevaluatedProperties: false
0048 
0049 examples:
0050   - |
0051     #include <dt-bindings/interrupt-controller/arm-gic.h>
0052     i2c@e0004000 {
0053         compatible = "cdns,i2c-r1p10";
0054         clocks = <&clkc 38>;
0055         interrupts = <GIC_SPI 25 IRQ_TYPE_LEVEL_HIGH>;
0056         reg = <0xe0004000 0x1000>;
0057         clock-frequency = <400000>;
0058         #address-cells = <1>;
0059         #size-cells = <0>;
0060     };