target/linux/brcm2708/patches-4.4/0189-BCM270X_DT-Build-and-document-the-wittypi-overlay.patch

   1 From 3259cf06132d0987314a37f39b0b18750b127eba Mon Sep 17 00:00:00 2001
   2 From: Phil Elwell <phil@raspberrypi.org>
   3 Date: Tue, 15 Mar 2016 16:41:37 +0000
   4 Subject: [PATCH 189/232] BCM270X_DT: Build and document the wittypi overlay
   5
   6 Signed-off-by: Phil Elwell <phil@raspberrypi.org>
   7 ---
   8  arch/arm/boot/dts/overlays/Makefile            | 1 +
   9  arch/arm/boot/dts/overlays/README              | 8 ++++++++
  10  arch/arm/boot/dts/overlays/wittypi-overlay.dts | 2 +-
  11  3 files changed, 10 insertions(+), 1 deletion(-)
  12
  13 --- a/arch/arm/boot/dts/overlays/Makefile
  14 +++ b/arch/arm/boot/dts/overlays/Makefile
  15 @@ -74,6 +74,7 @@ dtbo-$(RPI_DT_OVERLAYS) += vc4-kms-v3d.d
  16  dtbo-$(RPI_DT_OVERLAYS) += vga666.dtbo
  17  dtbo-$(RPI_DT_OVERLAYS) += w1-gpio.dtbo
  18  dtbo-$(RPI_DT_OVERLAYS) += w1-gpio-pullup.dtbo
  19 +dtbo-$(RPI_DT_OVERLAYS) += wittypi.dtbo
  20
  21  targets += dtbs dtbs_install
  22  targets += $(dtbo-y)
  23 --- a/arch/arm/boot/dts/overlays/README
  24 +++ b/arch/arm/boot/dts/overlays/README
  25 @@ -920,6 +920,14 @@ Params: gpiopin                 GPIO for
  26          extpullup               GPIO for external pullup (default "5")
  27
  28
  29 +Name:   wittypi
  30 +Info:   Configures the wittypi RTC module.
  31 +Load:   dtoverlay=wittypi,<param>=<val>
  32 +Params: led_gpio                GPIO for LED (default "17")
  33 +        led_trigger             Choose which activity the LED tracks (default
  34 +                                "default-on")
  35 +
  36 +
  37  Troubleshooting
  38  ===============
  39
  40 --- a/arch/arm/boot/dts/overlays/wittypi-overlay.dts
  41 +++ b/arch/arm/boot/dts/overlays/wittypi-overlay.dts
  42 @@ -37,7 +37,7 @@
  43         };
  44
  45         __overrides__ {
  46 -               led_gpio =              <&wittypi_led>,"gpios:4";
  47 +               led_gpio =      <&wittypi_led>,"gpios:4";
  48                 led_trigger =   <&wittypi_led>,"linux,default-trigger";
  49         };
  50