tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1* Device tree bindings for Nokia Retu and Tahvo multi-function device
2
3Retu and Tahvo are a multi-function devices found on Nokia Internet
4Tablets (770, N800 and N810). The Retu chip provides watchdog timer
5and power button control functionalities while Tahvo chip provides
6USB transceiver functionality.
7
8Required properties:
9- compatible: "nokia,retu" or "nokia,tahvo"
10- reg: Specifies the CBUS slave address of the ASIC chip
11- interrupts: The interrupt line the device is connected to
12
13Example:
14
15cbus0 {
16 compatible = "i2c-cbus-gpio";
17 ...
18 retu: retu@1 {
19 compatible = "nokia,retu";
20 interrupt-parent = <&gpio4>;
21 interrupts = <12 IRQ_TYPE_EDGE_RISING>;
22 reg = <0x1>;
23 };
24};