From 5b3a11f39bb1b0f9b43044c8109bd6a19b92cebe Mon Sep 17 00:00:00 2001 From: Phil Elwell Date: Mon, 22 Aug 2016 11:56:04 +0100 Subject: [PATCH] overlays: Clarify gpio-poweroff semantics in README 1) GPIO pin is signalled on poweroff, not reboot. 2) In RPi kernels, halt is equivalent to poweroff. See: https://github.com/raspberrypi/linux/issues/1600 --- arch/arm/boot/dts/overlays/README | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/arch/arm/boot/dts/overlays/README +++ b/arch/arm/boot/dts/overlays/README @@ -340,7 +340,7 @@ Params: gpio_pin Input pi Name: gpio-poweroff -Info: Drives a GPIO high or low on reboot +Info: Drives a GPIO high or low on poweroff (including halt) Load: dtoverlay=gpio-poweroff,= Params: gpiopin GPIO for signalling (default 26)