| # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) |
| %YAML 1.2 |
| --- |
| $id: http://devicetree.org/schemas/i2c/spacemit,k1-i2c.yaml# |
| $schema: http://devicetree.org/meta-schemas/core.yaml# |
| |
| title: I2C controller embedded in SpacemiT's K1 SoC |
| |
| maintainers: |
| - Troy Mitchell <troymitchell988@gmail.com> |
| |
| allOf: |
| - $ref: /schemas/i2c/i2c-controller.yaml# |
| |
| properties: |
| compatible: |
| const: spacemit,k1-i2c |
| |
| reg: |
| maxItems: 1 |
| |
| interrupts: |
| maxItems: 1 |
| |
| clocks: |
| items: |
| - description: I2C Functional Clock |
| - description: APB Bus Clock |
| |
| clock-names: |
| items: |
| - const: func |
| - const: bus |
| |
| clock-frequency: |
| description: | |
| K1 support three different modes which running different frequencies |
| standard speed mode: up to 100000 (100Hz) |
| fast speed mode : up to 400000 (400Hz) |
| high speed mode : up to 3300000 (3.3Mhz) |
| default: 400000 |
| maximum: 3300000 |
| |
| resets: |
| maxItems: 1 |
| |
| required: |
| - compatible |
| - reg |
| - interrupts |
| - clocks |
| |
| unevaluatedProperties: false |
| |
| examples: |
| - | |
| i2c@d4010800 { |
| compatible = "spacemit,k1-i2c"; |
| reg = <0xd4010800 0x38>; |
| interrupt-parent = <&plic>; |
| interrupts = <36>; |
| clocks = <&ccu 32>, <&ccu 84>; |
| clock-names = "func", "bus"; |
| clock-frequency = <100000>; |
| }; |
| |
| ... |
