Add ast2600-i2cv2 compatible and aspeed,global-regs, aspeed,timeout aspeed,xfer-mode description for ast2600-i2cv2. Signed-off-by: Ryan Chen <ryan_chen@xxxxxxxxxxxxxx> --- .../devicetree/bindings/i2c/aspeed,i2c.yaml | 44 +++++++++++++++++++ 1 file changed, 44 insertions(+) diff --git a/Documentation/devicetree/bindings/i2c/aspeed,i2c.yaml b/Documentation/devicetree/bindings/i2c/aspeed,i2c.yaml index f597f73ccd87..75de3ce41cf5 100644 --- a/Documentation/devicetree/bindings/i2c/aspeed,i2c.yaml +++ b/Documentation/devicetree/bindings/i2c/aspeed,i2c.yaml @@ -49,6 +49,25 @@ properties: description: states that there is another master active on this bus + aspeed,timeout: + type: boolean + description: I2C bus timeout enable for master/slave mode + + aspeed,xfer-mode: + description: | + I2C bus transfer mode selection. + - "byte": I2C bus byte transfer mode. + - "buffered": I2C bus buffer register transfer mode. + - "dma": I2C bus dma transfer mode (default) + items: + enum: [byte, buffered, dma] + maxItems: 1 + $ref: /schemas/types.yaml#/definitions/non-unique-string-array + + aspeed,global-regs: + $ref: /schemas/types.yaml#/definitions/phandle + description: The phandle of i2c global register node. + required: - reg - compatible @@ -57,6 +76,19 @@ required: unevaluatedProperties: false +if: + properties: + compatible: + contains: + const: aspeed,ast2600-i2cv2 + +then: + properties: + reg: + minItems: 2 + required: + - aspeed,global-regs + examples: - | #include <dt-bindings/clock/aspeed-clock.h> @@ -71,3 +103,15 @@ examples: interrupts = <0>; interrupt-parent = <&i2c_ic>; }; + - | + #include <dt-bindings/interrupt-controller/arm-gic.h> + i2c1: i2c@80 { + #address-cells = <1>; + #size-cells = <0>; + compatible = "aspeed,ast2600-i2cv2"; + reg = <0x80 0x80>, <0xc00 0x20>; + interrupts = <GIC_SPI 110 IRQ_TYPE_LEVEL_HIGH>; + aspeed,global-regs = <&i2c_global>; + clocks = <&syscon ASPEED_CLK_APB>; + resets = <&syscon ASPEED_RESET_I2C>; + }; -- 2.34.1