| # 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: | |
| oneOf: | |
| - items: | |
| - const: spacemit,k3-i2c | |
| - const: spacemit,k1-i2c | |
| - 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>; | |
| }; | |
| ... |