Greg Kroah-Hartman
598cf27219
Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org Tested-by: Florian Fainelli <florian.fainelli@broadcom.com> Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com> Tested-by: Peter Schneider <pschneider1968@googlemail.com> Tested-by: Jon Hunter <jonathanh@nvidia.com> Tested-by: Salvatore Bonaccorso <carnil@debian.org> Tested-by: Brett A C Sheffield <bacs@librecast.net> Tested-by: Mark Brown <broonie@kernel.org> Tested-by: Luna Jernberg <droidbittin@gmail.com> Tested-by: Ronald Warsow <rwarsow@gmx.de> Tested-by: Justin M. Forbes <jforbes@fedoraproject.org> Tested-by: Ron Economos <re@w6rz.net> Tested-by: Miguel Ojeda <ojeda@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
56 lines
1.3 KiB
C
56 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/of_clk.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,mt6572",
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"mediatek,mt6582",
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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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