target/linux/brcm2708/patches-3.18/0083-BCM2708_DT-Add-pcf8523-rtc-overlay.patch

   1 From 82fe3c57ba4c661c119a08567b9aaa5b63de07e1 Mon Sep 17 00:00:00 2001
   2 From: Phil Elwell <phil@raspberrypi.org>
   3 Date: Wed, 28 Jan 2015 16:22:04 +0000
   4 Subject: [PATCH 083/114] BCM2708_DT: Add pcf8523-rtc overlay
   5
   6 ---
   7  arch/arm/boot/dts/Makefile                |  1 +
   8  arch/arm/boot/dts/pcf8523-rtc-overlay.dts | 22 ++++++++++++++++++++++
   9  2 files changed, 23 insertions(+)
  10  create mode 100644 arch/arm/boot/dts/pcf8523-rtc-overlay.dts
  11
  12 --- a/arch/arm/boot/dts/Makefile
  13 +++ b/arch/arm/boot/dts/Makefile
  14 @@ -62,6 +62,7 @@ dtb-$(CONFIG_BCM2708_DT) += hifiberry-am
  15  dtb-$(CONFIG_BCM2708_DT) += iqaudio-dac-overlay.dtb
  16  dtb-$(CONFIG_BCM2708_DT) += iqaudio-dacplus-overlay.dtb
  17  dtb-$(CONFIG_BCM2708_DT) += lirc-rpi-overlay.dtb
  18 +dtb-$(CONFIG_BCM2708_DT) += pcf8523-rtc-overlay.dtb
  19  dtb-$(CONFIG_BCM2708_DT) += pps-gpio-overlay.dtb
  20  dtb-$(CONFIG_BCM2708_DT) += w1-gpio-overlay.dtb
  21  dtb-$(CONFIG_BCM2708_DT) += w1-gpio-pullup-overlay.dtb
  22 --- /dev/null
  23 +++ b/arch/arm/boot/dts/pcf8523-rtc-overlay.dts
  24 @@ -0,0 +1,22 @@
  25 +// Definitions for PCF8523 Real Time Clock
  26 +/dts-v1/;
  27 +/plugin/;
  28 +
  29 +/ {
  30 +       compatible = "brcm,bcm2708";
  31 +
  32 +       fragment@0 {
  33 +               target = <&i2c1>;
  34 +               __overlay__ {
  35 +                       #address-cells = <1>;
  36 +                       #size-cells = <0>;
  37 +                       status = "okay";
  38 +
  39 +                       pcf8523@68 {
  40 +                               compatible = "nxp,pcf8523";
  41 +                               reg = <0x68>;
  42 +                               status = "okay";
  43 +                       };
  44 +               };
  45 +       };
  46 +};