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From a8fe903c1e5c6655795cdef8dfe0977018adc99b Mon Sep 17 00:00:00 2001
From: Phil Elwell <phil@raspberrypi.org>
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,<param>=<val>
Params: gpiopin GPIO for signalling (default 26)
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