2016-12-02 10:50:26 +00:00
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From c430f79020084981d8cfeaee85caa1ee243919b6 Mon Sep 17 00:00:00 2001
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2016-09-10 12:54:26 +00:00
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From: Phil Elwell <phil@raspberrypi.org>
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Date: Tue, 9 Aug 2016 21:51:41 +0100
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Subject: [PATCH] overlays: Add assert_falling_edge to pps-gpio overlay
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See: https://github.com/raspberrypi/linux/issues/1590
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---
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arch/arm/boot/dts/overlays/README | 2 ++
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arch/arm/boot/dts/overlays/pps-gpio-overlay.dts | 1 +
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2 files changed, 3 insertions(+)
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--- a/arch/arm/boot/dts/overlays/README
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+++ b/arch/arm/boot/dts/overlays/README
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@@ -797,6 +797,8 @@ Name: pps-gpio
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Info: Configures the pps-gpio (pulse-per-second time signal via GPIO).
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Load: dtoverlay=pps-gpio,<param>=<val>
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Params: gpiopin Input GPIO (default "18")
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+ assert_falling_edge When present, assert is indicated by a falling
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+ edge, rather than by a rising edge
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Name: pwm
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--- a/arch/arm/boot/dts/overlays/pps-gpio-overlay.dts
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+++ b/arch/arm/boot/dts/overlays/pps-gpio-overlay.dts
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@@ -30,5 +30,6 @@
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__overrides__ {
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gpiopin = <&pps>,"gpios:4",
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<&pps_pins>,"brcm,pins:0";
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+ assert_falling_edge = <&pps>,"assert-falling-edge?";
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};
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};
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