17 lines
617 B
Plaintext
17 lines
617 B
Plaintext
* QNAP Power Off
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QNAP NAS devices have a microcontroller controlling the main power
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supply. This microcontroller is connected to UART1 of the Kirkwood and
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Orion5x SoCs. Sending the character 'A', at 19200 baud, tells the
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microcontroller to turn the power off. This driver adds a handler to
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pm_power_off which is called to turn the power off.
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Synology NAS devices use a similar scheme, but a different baud rate,
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9600, and a different character, '1'.
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Required Properties:
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- compatible: Should be "qnap,power-off" or "synology,power-off"
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- reg: Address and length of the register set for UART1
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- clocks: tclk clock
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