Commit d35408f2 authored by hdoverobinson's avatar hdoverobinson Committed by Phil Elwell
Browse files

added capture_clear option to pps-gpio via dtoverlay (#2433)

parent add09058

arch/arm/boot/dts/overlays/README

+4 −1
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@@ -1287,7 +1287,10 @@ 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

                                edge, rather than by a rising edge (default

                                off)

        capture_clear           Generate clear events on the trailing edge

                                (default off)





Name:   pwm

arch/arm/boot/dts/overlays/pps-gpio-overlay.dts

+1 −0
Original line number Diff line number Diff line
@@ -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?";

	};

};

drivers/pps/clients/pps-gpio.c

+3 −0
Original line number Diff line number Diff line
@@ -119,6 +119,9 @@ static int pps_gpio_probe(struct platform_device *pdev) 


		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 */