| # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) |
| %YAML 1.2 |
| --- |
| $id: http://devicetree.org/schemas/i2c/i2c-owl.yaml# |
| $schema: http://devicetree.org/meta-schemas/core.yaml# |
| |
| title: Actions Semi Owl I2C Controller |
| |
| maintainers: |
| - Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org> |
| |
| description: | |
| This I2C controller is found in the Actions Semi Owl SoCs: |
| S500, S700 and S900. |
| |
| allOf: |
| - $ref: /schemas/i2c/i2c-controller.yaml# |
| |
| properties: |
| compatible: |
| enum: |
| - actions,s500-i2c # Actions Semi S500 compatible SoCs |
| - actions,s700-i2c # Actions Semi S700 compatible SoCs |
| - actions,s900-i2c # Actions Semi S900 compatible SoCs |
| |
| reg: |
| maxItems: 1 |
| |
| interrupts: |
| maxItems: 1 |
| |
| clocks: |
| description: Phandle of the clock feeding the I2C controller. |
| minItems: 1 |
| |
| clock-frequency: |
| description: | |
| Desired I2C bus clock frequency in Hz. As only Standard and Fast |
| modes are supported, possible values are 100000 and 400000. |
| enum: [100000, 400000] |
| |
| required: |
| - compatible |
| - reg |
| - interrupts |
| - clocks |
| |
| unevaluatedProperties: false |
| |
| examples: |
| - | |
| #include <dt-bindings/clock/actions,s900-cmu.h> |
| #include <dt-bindings/interrupt-controller/arm-gic.h> |
| i2c@e0170000 { |
| compatible = "actions,s900-i2c"; |
| reg = <0xe0170000 0x1000>; |
| interrupts = <GIC_SPI 25 IRQ_TYPE_LEVEL_HIGH>; |
| clocks = <&cmu CLK_I2C0>; |
| clock-frequency = <100000>; |
| }; |
| |
| ... |
