Commit e00ad7ef authored by Chris Packham's avatar Chris Packham Committed by Wolfram Sang

dt-bindings: add bindings for i2c-pca-platform

Signed-off-by: default avatarChris Packham <chris.packham@alliedtelesis.co.nz>
Acked-by: default avatarRob Herring <robh@kernel.org>
Signed-off-by: default avatarWolfram Sang <wsa@the-dreams.de>
parent 8064c616
* NXP PCA PCA9564/PCA9665 I2C controller
The PCA9564/PCA9665 serves as an interface between most standard
parallel-bus microcontrollers/microprocessors and the serial I2C-bus
and allows the parallel bus system to communicate bi-directionally
with the I2C-bus.
Required properties :
- reg : Offset and length of the register set for the device
- compatible : one of "nxp,pca9564" or "nxp,pca9665"
Optional properties
- interrupts : the interrupt number
- interrupt-parent : the phandle for the interrupt controller.
If an interrupt is not specified polling will be used.
- reset-gpios : gpio specifier for gpio connected to RESET_N pin. As the line
is active low, it should be marked GPIO_ACTIVE_LOW.
- clock-frequency : I2C bus frequency.
Example:
i2c0: i2c@80000 {
compatible = "nxp,pca9564";
#address-cells = <1>;
#size-cells = <0>;
reg = <0x80000 0x4>;
reset-gpios = <&gpio1 0 GPIO_ACTIVE_LOW>;
clock-frequency = <100000>;
};
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