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They share ressouces with the I2C controller instances and are introduced here via an additional compatible. Signed-off-by: Marc Dietrich =2D-- .../bindings/i2c/nvidia,tegra20-i2c.yaml | 27 ++++++++++++++++--- 1 file changed, 23 insertions(+), 4 deletions(-) diff --git a/Documentation/devicetree/bindings/i2c/nvidia,tegra20-i2c.yaml= b/Documentation/devicetree/bindings/i2c/nvidia,tegra20-i2c.yaml index 51241c1293e3..2d7ee8e8750d 100644 =2D-- a/Documentation/devicetree/bindings/i2c/nvidia,tegra20-i2c.yaml +++ b/Documentation/devicetree/bindings/i2c/nvidia,tegra20-i2c.yaml @@ -13,11 +13,15 @@ title: NVIDIA Tegra I2C controller driver properties: compatible: oneOf: - - description: Tegra20 has 4 generic I2C controller. This can suppo= rt - master and slave mode of I2C communication. The i2c-tegra drive= r - only support master mode of I2C communication. Driver of I2C - controller is only compatible with "nvidia,tegra20-i2c". + - description: Tegra20 has 3 instances of a generic I2C controller. + It supports controller and target mode of I2C communication. + The i2c-tegra driver only supports master mode of I2C communica= tion. + Driver of I2C controller is only compatible with "nvidia,tegra2= 0-i2c". const: nvidia,tegra20-i2c + - description: The i2c-tegra-target driver supports the target mode= of + the generic Tegra20 I2C controller. Driver of the I2C target + controller is only compatible with "nvidia,tegra20-i2c-target". + const: nvidia,tegra20-i2c-target - description: Tegra20 has specific I2C controller called as DVC I2= C controller. This only support master mode of I2C communication. Register interface/offset and interrupts handling are different= than @@ -222,3 +226,18 @@ examples: #address-cells =3D <1>; #size-cells =3D <0>; }; + + - | + i2c@7000c500 { + compatible =3D "nvidia,tegra20-i2c-target"; + reg =3D <0x7000c500 0x100>; + interrupts =3D <0 92 0x04>; + clocks =3D <&tegra_car 67>, <&tegra_car 124>; + clock-names =3D "div-clk", "fast-clk"; + clock-frequency =3D <80000>; + resets =3D <&tegra_car 67>; + reset-names =3D "i2c"; + + #address-cells =3D <1>; + #size-cells =3D <0>; + }; =2D-=20 2.55.0