target/linux/brcm2708/patches-3.18/0087-Add-device-tree-overlay-for-ds1307.patch

   1 From fe72f81ecb7578418207444186fa035262530946 Mon Sep 17 00:00:00 2001
   2 From: Ryan Coe <bluemrp9@gmail.com>
   3 Date: Sat, 31 Jan 2015 18:26:03 -0700
   4 Subject: [PATCH 087/114] Add device-tree overlay for ds1307
   5
   6 Signed-off-by: Ryan Coe <bluemrp9@gmail.com>
   7 ---
   8  arch/arm/boot/dts/Makefile               |  1 +
   9  arch/arm/boot/dts/ds1307-rtc-overlay.dts | 22 ++++++++++++++++++++++
  10  2 files changed, 23 insertions(+)
  11  create mode 100644 arch/arm/boot/dts/ds1307-rtc-overlay.dts
  12
  13 --- a/arch/arm/boot/dts/Makefile
  14 +++ b/arch/arm/boot/dts/Makefile
  15 @@ -64,6 +64,7 @@ dtb-$(CONFIG_BCM2708_DT) += iqaudio-dacp
  16  dtb-$(CONFIG_BCM2708_DT) += lirc-rpi-overlay.dtb
  17  dtb-$(CONFIG_BCM2708_DT) += pcf8523-rtc-overlay.dtb
  18  dtb-$(CONFIG_BCM2708_DT) += pps-gpio-overlay.dtb
  19 +dtb-$(CONFIG_BCM2708_DT) += ds1307-rtc-overlay.dtb
  20  dtb-$(CONFIG_BCM2708_DT) += w1-gpio-overlay.dtb
  21  dtb-$(CONFIG_BCM2708_DT) += w1-gpio-pullup-overlay.dtb
  22  dtb-$(CONFIG_ARCH_BCM2835) += bcm2835-rpi-b.dtb
  23 --- /dev/null
  24 +++ b/arch/arm/boot/dts/ds1307-rtc-overlay.dts
  25 @@ -0,0 +1,22 @@
  26 +// Definitions for DS1307 Real Time Clock
  27 +/dts-v1/;
  28 +/plugin/;
  29 +
  30 +/ {
  31 +       compatible = "brcm,bcm2708";
  32 +
  33 +       fragment@0 {
  34 +               target = <&i2c1>;
  35 +               __overlay__ {
  36 +                       #address-cells = <1>;
  37 +                       #size-cells = <0>;
  38 +                       status = "okay";
  39 +
  40 +                       ds1307@68 {
  41 +                               compatible = "maxim,ds1307";
  42 +                               reg = <0x68>;
  43 +                               status = "okay";
  44 +                       };
  45 +               };
  46 +       };
  47 +};