From c430f79020084981d8cfeaee85caa1ee243919b6 Mon Sep 17 00:00:00 2001 From: Phil Elwell Date: Tue, 9 Aug 2016 21:51:41 +0100 Subject: [PATCH] overlays: Add assert_falling_edge to pps-gpio overlay See: https://github.com/raspberrypi/linux/issues/1590 --- arch/arm/boot/dts/overlays/README | 2 ++ arch/arm/boot/dts/overlays/pps-gpio-overlay.dts | 1 + 2 files changed, 3 insertions(+) --- a/arch/arm/boot/dts/overlays/README +++ b/arch/arm/boot/dts/overlays/README @@ -797,6 +797,8 @@ Name: pps-gpio Info: Configures the pps-gpio (pulse-per-second time signal via GPIO). Load: dtoverlay=pps-gpio,= Params: gpiopin Input GPIO (default "18") + assert_falling_edge When present, assert is indicated by a falling + edge, rather than by a rising edge Name: pwm --- a/arch/arm/boot/dts/overlays/pps-gpio-overlay.dts +++ b/arch/arm/boot/dts/overlays/pps-gpio-overlay.dts @@ -30,5 +30,6 @@ __overrides__ { gpiopin = <&pps>,"gpios:4", <&pps_pins>,"brcm,pins:0"; + assert_falling_edge = <&pps>,"assert-falling-edge?"; }; };