diff options
Diffstat (limited to 'Documentation/devicetree/bindings/i2c/realtek,rtl9301-i2c.yaml')
| -rw-r--r-- | Documentation/devicetree/bindings/i2c/realtek,rtl9301-i2c.yaml | 45 |
1 files changed, 40 insertions, 5 deletions
diff --git a/Documentation/devicetree/bindings/i2c/realtek,rtl9301-i2c.yaml b/Documentation/devicetree/bindings/i2c/realtek,rtl9301-i2c.yaml index 69ac5db8b914..17ce39c19ab1 100644 --- a/Documentation/devicetree/bindings/i2c/realtek,rtl9301-i2c.yaml +++ b/Documentation/devicetree/bindings/i2c/realtek,rtl9301-i2c.yaml @@ -10,9 +10,11 @@ maintainers: - Chris Packham <chris.packham@alliedtelesis.co.nz> description: - The RTL9300 SoC has two I2C controllers. Each of these has an SCL line (which + RTL9300 SoCs have two I2C controllers. Each of these has an SCL line (which if not-used for SCL can be a GPIO). There are 8 common SDA lines that can be assigned to either I2C controller. + RTL9310 SoCs have equal capabilities but support 12 common SDA lines which + can be assigned to either I2C controller. properties: compatible: @@ -23,11 +25,19 @@ properties: - realtek,rtl9302c-i2c - realtek,rtl9303-i2c - const: realtek,rtl9301-i2c - - const: realtek,rtl9301-i2c + - items: + - enum: + - realtek,rtl9311-i2c + - realtek,rtl9312-i2c + - realtek,rtl9313-i2c + - const: realtek,rtl9310-i2c + - enum: + - realtek,rtl9301-i2c + - realtek,rtl9310-i2c reg: items: - - description: Register offset and size this I2C controller. + - description: Register offset and size of this I2C controller. "#address-cells": const: 1 @@ -35,19 +45,44 @@ properties: "#size-cells": const: 0 + realtek,scl: + $ref: /schemas/types.yaml#/definitions/uint32 + description: + The SCL line number of this I2C controller. + enum: [ 0, 1 ] + patternProperties: - '^i2c@[0-7]$': + '^i2c@[0-9ab]$': $ref: /schemas/i2c/i2c-controller.yaml unevaluatedProperties: false properties: reg: - description: The SDA pin associated with the I2C bus. + description: The SDA line number associated with the I2C bus. maxItems: 1 required: - reg + +allOf: + - if: + properties: + compatible: + contains: + const: realtek,rtl9310-i2c + then: + required: + - realtek,scl + - if: + properties: + compatible: + contains: + const: realtek,rtl9301-i2c + then: + patternProperties: + '^i2c@[89ab]$': false + required: - compatible - reg |