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From 228a56f5c3e7b796cedb9cf7e55c2bf16c534269 Mon Sep 17 00:00:00 2001
From: Phil Elwell <phil@raspberrypi.org>
Date: Wed, 24 Jan 2018 20:00:48 +0000
Subject: [PATCH 171/454] overlays: Allow multiple pps-gpio instantiations

See: https://github.com/raspberrypi/linux/issues/2352

Signed-off-by: Phil Elwell <phil@raspberrypi.org>
---
 arch/arm/boot/dts/overlays/pps-gpio-overlay.dts | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

--- a/arch/arm/boot/dts/overlays/pps-gpio-overlay.dts
+++ b/arch/arm/boot/dts/overlays/pps-gpio-overlay.dts
@@ -6,7 +6,7 @@
        fragment@0 {
                target-path = "/";
                __overlay__ {
-                       pps: pps {
+                       pps: pps@12 {
                                compatible = "pps-gpio";
                                pinctrl-names = "default";
                                pinctrl-0 = <&pps_pins>;
@@ -19,7 +19,7 @@
        fragment@1 {
                target = <&gpio>;
                __overlay__ {
-                       pps_pins: pps_pins {
+                       pps_pins: pps_pins@12 {
                                brcm,pins =     <18>;
                                brcm,function = <0>;    // in
                                brcm,pull =     <0>;    // off
@@ -29,7 +29,9 @@
 
        __overrides__ {
                gpiopin = <&pps>,"gpios:4",
-                         <&pps_pins>,"brcm,pins:0";
+                         <&pps>,"reg:0",
+                         <&pps_pins>,"brcm,pins:0",
+                         <&pps_pins>,"reg:0";
                assert_falling_edge = <&pps>,"assert-falling-edge?";
        };
 };