| # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) |
| %YAML 1.2 |
| --- |
| $id: "http://devicetree.org/schemas/i2c/cdns,i2c-r1p10.yaml#" |
| $schema: "http://devicetree.org/meta-schemas/core.yaml#" |
| |
| title: Cadence I2C controller Device Tree Bindings |
| |
| maintainers: |
| - Michal Simek <michal.simek@xilinx.com> |
| |
| allOf: |
| - $ref: /schemas/i2c/i2c-controller.yaml# |
| |
| properties: |
| compatible: |
| enum: |
| - cdns,i2c-r1p10 # cadence i2c controller version 1.0 |
| - cdns,i2c-r1p14 # cadence i2c controller version 1.4 |
| |
| reg: |
| maxItems: 1 |
| |
| clocks: |
| minItems: 1 |
| |
| interrupts: |
| maxItems: 1 |
| |
| clock-frequency: |
| minimum: 1 |
| maximum: 400000 |
| description: | |
| Desired operating frequency, in Hz, of the bus. |
| |
| clock-name: |
| const: pclk |
| description: | |
| Input clock name. |
| |
| required: |
| - compatible |
| - reg |
| - clocks |
| - interrupts |
| |
| examples: |
| - | |
| #include <dt-bindings/interrupt-controller/arm-gic.h> |
| i2c@e0004000 { |
| compatible = "cdns,i2c-r1p10"; |
| clocks = <&clkc 38>; |
| interrupts = <GIC_SPI 25 IRQ_TYPE_LEVEL_HIGH>; |
| reg = <0xe0004000 0x1000>; |
| clock-frequency = <400000>; |
| #address-cells = <1>; |
| #size-cells = <0>; |
| }; |