diff options
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.patch | 31 |
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 0000000000..496539e20c --- /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?"; + }; + }; |