]> git.ipfire.org Git - thirdparty/u-boot.git/blob - Bindings/power/reset/qnap-poweroff.txt
Squashed 'dts/upstream/' content from commit aaba2d45dc2a
[thirdparty/u-boot.git] / Bindings / power / reset / qnap-poweroff.txt
1 * QNAP Power Off
2
3 QNAP NAS devices have a microcontroller controlling the main power
4 supply. This microcontroller is connected to UART1 of the Kirkwood and
5 Orion5x SoCs. Sending the character 'A', at 19200 baud, tells the
6 microcontroller to turn the power off.
7
8 Synology NAS devices use a similar scheme, but a different baud rate,
9 9600, and a different character, '1'.
10
11 Required Properties:
12 - compatible: Should be "qnap,power-off" or "synology,power-off"
13
14 - reg: Address and length of the register set for UART1
15 - clocks: tclk clock