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From e1cac198fea08c31ec204bed84c279ab05d20389 Mon Sep 17 00:00:00 2001
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From: Hauke Mehrtens <hauke@hauke-m.de>
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Date: Sat, 17 Mar 2018 15:22:25 +0100
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Subject: ARM: dts: armada-385-linksys: Disable internal RTC
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The internal RTC does not work correctly on these Linksys boards based
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on Marvell SoCs. For me it only shows Wed Dec 31 23:59:59 1969 and for
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others it is off by 3 minutes in 10 minutes running, this was reported
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by multiple users. On the Linksys Mamba device the device tree comment
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says that no crystal is connected to the internal RTC, this is probably
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also true for the other devices.
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Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
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---
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arch/arm/boot/dts/armada-385-linksys.dtsi | 5 +++++
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1 file changed, 5 insertions(+)
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--- a/arch/arm/boot/dts/armada-385-linksys.dtsi
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+++ b/arch/arm/boot/dts/armada-385-linksys.dtsi
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@@ -304,3 +304,8 @@
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status = "okay";
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usb-phy = <&usb3_1_phy>;
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};
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+
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+&rtc {
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+ /* No crystal connected to the internal RTC */
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+ status = "disabled";
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+};
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