| 1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859606162636465666768697071727374757677 |
- # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
- %YAML 1.2
- ---
- $id: http://devicetree.org/schemas/i2c/apple,i2c.yaml#
- $schema: http://devicetree.org/meta-schemas/core.yaml#
- title: Apple/PASemi I2C controller
- maintainers:
- - Sven Peter <sven@svenpeter.dev>
- description: |
- Apple SoCs such as the M1 come with a I2C controller based on the one found
- in machines with P. A. Semi's PWRficient processors.
- The bus is used to communicate with e.g. USB PD chips or the speaker
- amp.
- allOf:
- - $ref: /schemas/i2c/i2c-controller.yaml#
- properties:
- compatible:
- oneOf:
- - items:
- - const: apple,t6020-i2c
- - const: apple,t8103-i2c
- - items:
- - enum:
- # Do not add additional SoC to this list.
- - apple,s5l8960x-i2c
- - apple,t7000-i2c
- - apple,s8000-i2c
- - apple,t8010-i2c
- - apple,t8015-i2c
- - apple,t8103-i2c
- - apple,t8112-i2c
- - apple,t6000-i2c
- - const: apple,i2c
- reg:
- maxItems: 1
- clocks:
- items:
- - description: I2C bus reference clock
- interrupts:
- maxItems: 1
- clock-frequency:
- description: |
- Desired I2C bus clock frequency in Hz. If not specified, 100 kHz will be
- used. This frequency is generated by dividing the reference clock.
- Allowed values are between ref_clk/(16*4) and ref_clk/(16*255).
- power-domains:
- maxItems: 1
- required:
- - compatible
- - reg
- - clocks
- - interrupts
- unevaluatedProperties: false
- examples:
- - |
- i2c@35010000 {
- compatible = "apple,t8103-i2c", "apple,i2c";
- reg = <0x35010000 0x4000>;
- interrupt-parent = <&aic>;
- interrupts = <0 627 4>;
- clocks = <&ref_clk>;
- #address-cells = <1>;
- #size-cells = <0>;
- };
|
