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Diffstat (limited to 'target/linux/brcm2708/patches-4.4/0437-overlays-Add-assert_falling_edge-to-pps-gpio-overlay.patch')
-rw-r--r--target/linux/brcm2708/patches-4.4/0437-overlays-Add-assert_falling_edge-to-pps-gpio-overlay.patch31
1 files changed, 31 insertions, 0 deletions
diff --git a/target/linux/brcm2708/patches-4.4/0437-overlays-Add-assert_falling_edge-to-pps-gpio-overlay.patch b/target/linux/brcm2708/patches-4.4/0437-overlays-Add-assert_falling_edge-to-pps-gpio-overlay.patch
new file mode 100644
index 0000000..496539e
--- /dev/null
+++ b/target/linux/brcm2708/patches-4.4/0437-overlays-Add-assert_falling_edge-to-pps-gpio-overlay.patch
@@ -0,0 +1,31 @@
+From b90a1393b3bdffa88c8e8dfbdc2bec650a5f885e Mon Sep 17 00:00:00 2001
+From: Phil Elwell <phil@raspberrypi.org>
+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,<param>=<val>
+ 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?";
+ };
+ };