b8494cf14b192490169c3a57b7f76690978886f8
[15.05/openwrt.git] / 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 diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
14 index 86c6190..1b66478 100644
15 --- a/arch/arm/boot/dts/Makefile
16 +++ b/arch/arm/boot/dts/Makefile
17 @@ -64,6 +64,7 @@ dtb-$(CONFIG_BCM2708_DT) += iqaudio-dacplus-overlay.dtb
18  dtb-$(CONFIG_BCM2708_DT) += lirc-rpi-overlay.dtb
19  dtb-$(CONFIG_BCM2708_DT) += pcf8523-rtc-overlay.dtb
20  dtb-$(CONFIG_BCM2708_DT) += pps-gpio-overlay.dtb
21 +dtb-$(CONFIG_BCM2708_DT) += ds1307-rtc-overlay.dtb
22  dtb-$(CONFIG_BCM2708_DT) += w1-gpio-overlay.dtb
23  dtb-$(CONFIG_BCM2708_DT) += w1-gpio-pullup-overlay.dtb
24  dtb-$(CONFIG_ARCH_BCM2835) += bcm2835-rpi-b.dtb
25 diff --git a/arch/arm/boot/dts/ds1307-rtc-overlay.dts b/arch/arm/boot/dts/ds1307-rtc-overlay.dts
26 new file mode 100644
27 index 0000000..7d27044
28 --- /dev/null
29 +++ b/arch/arm/boot/dts/ds1307-rtc-overlay.dts
30 @@ -0,0 +1,22 @@
31 +// Definitions for DS1307 Real Time Clock
32 +/dts-v1/;
33 +/plugin/;
34 +
35 +/ {
36 +       compatible = "brcm,bcm2708";
37 +
38 +       fragment@0 {
39 +               target = <&i2c1>;
40 +               __overlay__ {
41 +                       #address-cells = <1>;
42 +                       #size-cells = <0>;
43 +                       status = "okay";
44 +
45 +                       ds1307@68 {
46 +                               compatible = "maxim,ds1307";
47 +                               reg = <0x68>;
48 +                               status = "okay";
49 +                       };
50 +               };
51 +       };
52 +};
53 -- 
54 1.8.3.2
55