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From 61ad2796b48891e5a3e52d290cb51a44259b5799 Mon Sep 17 00:00:00 2001
From: hdoverobinson <hdoverobinson@gmail.com>
Date: Tue, 13 Mar 2018 06:58:39 -0400
Subject: [PATCH 247/454] added capture_clear option to pps-gpio via dtoverlay
(#2433)
---
arch/arm/boot/dts/overlays/README | 5 ++++-
arch/arm/boot/dts/overlays/pps-gpio-overlay.dts | 1 +
drivers/pps/clients/pps-gpio.c | 3 +++
3 files changed, 8 insertions(+), 1 deletion(-)
--- a/arch/arm/boot/dts/overlays/README
+++ b/arch/arm/boot/dts/overlays/README
@@ -1287,7 +1287,10 @@ Info: Configures the pps-gpio (pulse-p
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
+ edge, rather than by a rising edge (default
+ off)
+ capture_clear Generate clear events on the trailing edge
+ (default off)
Name: pwm
--- a/arch/arm/boot/dts/overlays/pps-gpio-overlay.dts
+++ b/arch/arm/boot/dts/overlays/pps-gpio-overlay.dts
@@ -33,5 +33,6 @@
<&pps_pins>,"brcm,pins:0",
<&pps_pins>,"reg:0";
assert_falling_edge = <&pps>,"assert-falling-edge?";
+ capture_clear = <&pps>,"capture-clear?";
};
};
--- a/drivers/pps/clients/pps-gpio.c
+++ b/drivers/pps/clients/pps-gpio.c
@@ -119,6 +119,9 @@ static int pps_gpio_probe(struct platfor
if (of_get_property(np, "assert-falling-edge", NULL))
data->assert_falling_edge = true;
+
+ if (of_get_property(np, "capture-clear", NULL))
+ data->capture_clear = true;
}
/* GPIO setup */
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