From 61ad2796b48891e5a3e52d290cb51a44259b5799 Mon Sep 17 00:00:00 2001 From: hdoverobinson 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,= 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 */