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Based on 3 normalized pattern(s): this program is free software you can redistribute it and or modify it under the terms of the gnu general public license as published by the free software foundation either version 2 of the license or at your option any later version this program is distributed in the hope that it will be useful but without any warranty without even the implied warranty of merchantability or fitness for a particular purpose see the gnu general public license for more details this program is free software you can redistribute it and or modify it under the terms of the gnu general public license as published by the free software foundation either version 2 of the license or at your option any later version [author] [kishon] [vijay] [abraham] [i] [kishon]@[ti] [com] this program is distributed in the hope that it will be useful but without any warranty without even the implied warranty of merchantability or fitness for a particular purpose see the gnu general public license for more details this program is free software you can redistribute it and or modify it under the terms of the gnu general public license as published by the free software foundation either version 2 of the license or at your option any later version [author] [graeme] [gregory] [gg]@[slimlogic] [co] [uk] [author] [kishon] [vijay] [abraham] [i] [kishon]@[ti] [com] [based] [on] [twl6030]_[usb] [c] [author] [hema] [hk] [hemahk]@[ti] [com] this program is distributed in the hope that it will be useful but without any warranty without even the implied warranty of merchantability or fitness for a particular purpose see the gnu general public license for more details extracted by the scancode license scanner the SPDX license identifier GPL-2.0-or-later has been chosen to replace the boilerplate/reference in 1105 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Allison Randal <allison@lohutok.net> Reviewed-by: Richard Fontana <rfontana@redhat.com> Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190527070033.202006027@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
54 lines
1.3 KiB
C
54 lines
1.3 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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* Device Tree support for Mediatek SoCs
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*
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* Copyright (c) 2014 MundoReader S.L.
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* Author: Matthias Brugger <matthias.bgg@gmail.com>
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*/
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#include <linux/init.h>
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#include <linux/io.h>
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#include <asm/mach/arch.h>
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#include <linux/of.h>
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#include <linux/clk-provider.h>
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#include <linux/clocksource.h>
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#define GPT6_CON_MT65xx 0x10008060
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#define GPT_ENABLE 0x31
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static void __init mediatek_timer_init(void)
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{
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void __iomem *gpt_base;
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if (of_machine_is_compatible("mediatek,mt6589") ||
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of_machine_is_compatible("mediatek,mt7623") ||
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of_machine_is_compatible("mediatek,mt8135") ||
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of_machine_is_compatible("mediatek,mt8127")) {
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/* turn on GPT6 which ungates arch timer clocks */
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gpt_base = ioremap(GPT6_CON_MT65xx, 0x04);
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/* enable clock and set to free-run */
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writel(GPT_ENABLE, gpt_base);
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iounmap(gpt_base);
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}
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of_clk_init(NULL);
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timer_probe();
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};
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static const char * const mediatek_board_dt_compat[] = {
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"mediatek,mt2701",
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"mediatek,mt6589",
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"mediatek,mt6592",
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"mediatek,mt7623",
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"mediatek,mt7629",
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"mediatek,mt8127",
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"mediatek,mt8135",
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NULL,
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};
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DT_MACHINE_START(MEDIATEK_DT, "Mediatek Cortex-A7 (Device Tree)")
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.dt_compat = mediatek_board_dt_compat,
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.init_time = mediatek_timer_init,
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MACHINE_END
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