From fe72f81ecb7578418207444186fa035262530946 Mon Sep 17 00:00:00 2001 From: Ryan Coe Date: Sat, 31 Jan 2015 18:26:03 -0700 Subject: [PATCH 087/114] Add device-tree overlay for ds1307 Signed-off-by: Ryan Coe --- arch/arm/boot/dts/Makefile | 1 + arch/arm/boot/dts/ds1307-rtc-overlay.dts | 22 ++++++++++++++++++++++ 2 files changed, 23 insertions(+) create mode 100644 arch/arm/boot/dts/ds1307-rtc-overlay.dts diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile index 86c6190..1b66478 100644 --- a/arch/arm/boot/dts/Makefile +++ b/arch/arm/boot/dts/Makefile @@ -64,6 +64,7 @@ dtb-$(CONFIG_BCM2708_DT) += iqaudio-dacplus-overlay.dtb dtb-$(CONFIG_BCM2708_DT) += lirc-rpi-overlay.dtb dtb-$(CONFIG_BCM2708_DT) += pcf8523-rtc-overlay.dtb dtb-$(CONFIG_BCM2708_DT) += pps-gpio-overlay.dtb +dtb-$(CONFIG_BCM2708_DT) += ds1307-rtc-overlay.dtb dtb-$(CONFIG_BCM2708_DT) += w1-gpio-overlay.dtb dtb-$(CONFIG_BCM2708_DT) += w1-gpio-pullup-overlay.dtb dtb-$(CONFIG_ARCH_BCM2835) += bcm2835-rpi-b.dtb diff --git a/arch/arm/boot/dts/ds1307-rtc-overlay.dts b/arch/arm/boot/dts/ds1307-rtc-overlay.dts new file mode 100644 index 0000000..7d27044 --- /dev/null +++ b/arch/arm/boot/dts/ds1307-rtc-overlay.dts @@ -0,0 +1,22 @@ +// Definitions for DS1307 Real Time Clock +/dts-v1/; +/plugin/; + +/ { + compatible = "brcm,bcm2708"; + + fragment@0 { + target = <&i2c1>; + __overlay__ { + #address-cells = <1>; + #size-cells = <0>; + status = "okay"; + + ds1307@68 { + compatible = "maxim,ds1307"; + reg = <0x68>; + status = "okay"; + }; + }; + }; +}; -- 1.8.3.2