target/linux/brcm2708/patches-4.14/950-0171-overlays-Allow-multiple-pps-gpio-instantiations.patch

   1 From 228a56f5c3e7b796cedb9cf7e55c2bf16c534269 Mon Sep 17 00:00:00 2001
   2 From: Phil Elwell <phil@raspberrypi.org>
   3 Date: Wed, 24 Jan 2018 20:00:48 +0000
   4 Subject: [PATCH 171/454] overlays: Allow multiple pps-gpio instantiations
   5
   6 See: https://github.com/raspberrypi/linux/issues/2352
   7
   8 Signed-off-by: Phil Elwell <phil@raspberrypi.org>
   9 ---
  10  arch/arm/boot/dts/overlays/pps-gpio-overlay.dts | 8 +++++---
  11  1 file changed, 5 insertions(+), 3 deletions(-)
  12
  13 --- a/arch/arm/boot/dts/overlays/pps-gpio-overlay.dts
  14 +++ b/arch/arm/boot/dts/overlays/pps-gpio-overlay.dts
  15 @@ -6,7 +6,7 @@
  16         fragment@0 {
  17                 target-path = "/";
  18                 __overlay__ {
  19 -                       pps: pps {
  20 +                       pps: pps@12 {
  21                                 compatible = "pps-gpio";
  22                                 pinctrl-names = "default";
  23                                 pinctrl-0 = <&pps_pins>;
  24 @@ -19,7 +19,7 @@
  25         fragment@1 {
  26                 target = <&gpio>;
  27                 __overlay__ {
  28 -                       pps_pins: pps_pins {
  29 +                       pps_pins: pps_pins@12 {
  30                                 brcm,pins =     <18>;
  31                                 brcm,function = <0>;    // in
  32                                 brcm,pull =     <0>;    // off
  33 @@ -29,7 +29,9 @@
  34
  35         __overrides__ {
  36                 gpiopin = <&pps>,"gpios:4",
  37 -                         <&pps_pins>,"brcm,pins:0";
  38 +                         <&pps>,"reg:0",
  39 +                         <&pps_pins>,"brcm,pins:0",
  40 +                         <&pps_pins>,"reg:0";
  41                 assert_falling_edge = <&pps>,"assert-falling-edge?";
  42         };
  43  };