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This RTC IP is found in the CP110 master and slave which are part of the Armada 8K SoCs and of the subset family the Armada 7K. There is one RTC in each CP but the RTC requires an external oscillator. However on the Armada 80x0, the RTC clock in CP master is not connected (by package) to the oscillator. So this one is disabled for the Armada 8020 and the Armada 8040. As the RTC clock in CP slave is connected to the oscillator this one is let enabled. and will be used on these SoCs (80x0). Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
66 lines
2.6 KiB
Plaintext
66 lines
2.6 KiB
Plaintext
/*
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* Copyright (C) 2016 Marvell Technology Group Ltd.
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*
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* This file is dual-licensed: you can use it either under the terms
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* of the GPLv2 or the X11 license, at your option. Note that this dual
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* licensing only applies to this file, and not this project as a
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* whole.
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*
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* a) This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of the
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* License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* Or, alternatively,
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*
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* b) Permission is hereby granted, free of charge, to any person
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* obtaining a copy of this software and associated documentation
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* files (the "Software"), to deal in the Software without
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* restriction, including without limitation the rights to use,
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* copy, modify, merge, publish, distribute, sublicense, and/or
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* sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following
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* conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
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* OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
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* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*/
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/*
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* Device Tree file for the Armada 8040 SoC, made of an AP806 Quad and
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* two CP110.
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*/
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#include "armada-ap806-quad.dtsi"
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#include "armada-cp110-master.dtsi"
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#include "armada-cp110-slave.dtsi"
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/ {
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model = "Marvell Armada 8040";
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compatible = "marvell,armada8040", "marvell,armada-ap806-quad",
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"marvell,armada-ap806";
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};
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/* The RTC requires external oscillator. But on Aramda 80x0, the RTC clock
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* in CP master is not connected (by package) to the oscillator. So
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* disable it. However, the RTC clock in CP slave is connected to the
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* oscillator so this one is let enabled.
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*/
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&cpm_rtc {
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status = "disabled";
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};
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