DT: leds: Add an optional property named 'shutdown-gpios'

The chip enters hardware shutdown when the SDB pin is pulled low.
The chip releases hardware shutdown when the SDB pin is pulled high.

Signed-off-by: Grant Feng <[email protected]>
Acked-by: Rob Herring <[email protected]>
Signed-off-by: Pavel Machek <[email protected]>
1 file changed