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cubelinux-kernel/Documentation/devicetree/bindings/i2c/i2c-pca-platform.txt
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Greg Kroah-Hartman 598cf27219 Linux 6.19.3
Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org
Tested-by: Florian Fainelli <florian.fainelli@broadcom.com>
Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com>
Tested-by: Peter Schneider <pschneider1968@googlemail.com>
Tested-by: Jon Hunter <jonathanh@nvidia.com>
Tested-by: Salvatore Bonaccorso <carnil@debian.org>
Tested-by: Brett A C Sheffield <bacs@librecast.net>
Tested-by: Mark Brown <broonie@kernel.org>
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Tested-by: Justin M. Forbes <jforbes@fedoraproject.org>
Tested-by: Ron Economos <re@w6rz.net>
Tested-by: Miguel Ojeda <ojeda@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2026-02-19 16:33:27 +01:00

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* 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
- 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>;
};