brcm2708: add kernel 4.14 support
[openwrt/staging/chunkeey.git] / target / linux / brcm2708 / patches-4.14 / 950-0247-added-capture_clear-option-to-pps-gpio-via-dtoverlay.patch
diff --git a/target/linux/brcm2708/patches-4.14/950-0247-added-capture_clear-option-to-pps-gpio-via-dtoverlay.patch b/target/linux/brcm2708/patches-4.14/950-0247-added-capture_clear-option-to-pps-gpio-via-dtoverlay.patch
new file mode 100644 (file)
index 0000000..545dc55
--- /dev/null
@@ -0,0 +1,47 @@
+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 */