| Tom Rini | 53633a8 | 2024-02-29 12:33:36 -0500 | [diff] [blame] | 1 | * Device tree bindings for Nokia Retu and Tahvo multi-function device |
| 2 | |
| 3 | Retu and Tahvo are a multi-function devices found on Nokia Internet |
| 4 | Tablets (770, N800 and N810). The Retu chip provides watchdog timer |
| 5 | and power button control functionalities while Tahvo chip provides |
| 6 | USB transceiver functionality. |
| 7 | |
| 8 | Required 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 | |
| 13 | Example: |
| 14 | |
| 15 | cbus0 { |
| 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 | }; |