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android_kernel_samsung_sm87…/bindings/mfd/retu.txt
Melody Olvera 6f18ce8026 dt-bindings: Add devicetree bindings
Add snapshot of device tree bindings from keystone common kernel, branch
"android-mainline-keystone-qcom-release" at c4c12103f9c0 ("Snap for 9228065
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android-mainline-keystone-qcom-release").

Change-Id: I7682079615cbd9f29340a5c1f2a1d84ec441a1f1
Signed-off-by: Melody Olvera <quic_molvera@quicinc.com>
2023-04-03 15:40:37 -07:00

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* Device tree bindings for Nokia Retu and Tahvo multi-function device
Retu and Tahvo are a multi-function devices found on Nokia Internet
Tablets (770, N800 and N810). The Retu chip provides watchdog timer
and power button control functionalities while Tahvo chip provides
USB transceiver functionality.
Required properties:
- compatible: "nokia,retu" or "nokia,tahvo"
- reg: Specifies the CBUS slave address of the ASIC chip
- interrupts: The interrupt line the device is connected to
Example:
cbus0 {
compatible = "i2c-cbus-gpio";
...
retu: retu@1 {
compatible = "nokia,retu";
interrupt-parent = <&gpio4>;
interrupts = <12 IRQ_TYPE_EDGE_RISING>;
reg = <0x1>;
};
};