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48 lines
1.3 KiB
Diff
48 lines
1.3 KiB
Diff
From fe72f81ecb7578418207444186fa035262530946 Mon Sep 17 00:00:00 2001
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From: Ryan Coe <bluemrp9@gmail.com>
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Date: Sat, 31 Jan 2015 18:26:03 -0700
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Subject: [PATCH 087/114] Add device-tree overlay for ds1307
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Signed-off-by: Ryan Coe <bluemrp9@gmail.com>
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---
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arch/arm/boot/dts/Makefile | 1 +
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arch/arm/boot/dts/ds1307-rtc-overlay.dts | 22 ++++++++++++++++++++++
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2 files changed, 23 insertions(+)
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create mode 100644 arch/arm/boot/dts/ds1307-rtc-overlay.dts
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--- a/arch/arm/boot/dts/Makefile
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+++ b/arch/arm/boot/dts/Makefile
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@@ -64,6 +64,7 @@ dtb-$(CONFIG_BCM2708_DT) += iqaudio-dacp
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dtb-$(CONFIG_BCM2708_DT) += lirc-rpi-overlay.dtb
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dtb-$(CONFIG_BCM2708_DT) += pcf8523-rtc-overlay.dtb
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dtb-$(CONFIG_BCM2708_DT) += pps-gpio-overlay.dtb
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+dtb-$(CONFIG_BCM2708_DT) += ds1307-rtc-overlay.dtb
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dtb-$(CONFIG_BCM2708_DT) += w1-gpio-overlay.dtb
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dtb-$(CONFIG_BCM2708_DT) += w1-gpio-pullup-overlay.dtb
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dtb-$(CONFIG_ARCH_BCM2835) += bcm2835-rpi-b.dtb
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--- /dev/null
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+++ b/arch/arm/boot/dts/ds1307-rtc-overlay.dts
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@@ -0,0 +1,22 @@
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+// Definitions for DS1307 Real Time Clock
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+/dts-v1/;
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+/plugin/;
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+
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+/ {
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+ compatible = "brcm,bcm2708";
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+
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+ fragment@0 {
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+ target = <&i2c1>;
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+ __overlay__ {
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+ #address-cells = <1>;
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+ #size-cells = <0>;
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+ status = "okay";
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+
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+ ds1307@68 {
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+ compatible = "maxim,ds1307";
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+ reg = <0x68>;
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+ status = "okay";
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+ };
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+ };
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+ };
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+};
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