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Registering clocksource/clockevent for the older platforms breaks
booting them. The older platforms have their own implementation in early
boot that is used to register clocksource/clockevent in
timer-ti-dm-systimer.c.
With am654, the timer is much more complex with more dependencies so
doing this in early boot with the other driver is very difficult and
gets ugly. Instead it is implemented in the platform driver for am654.
However the old platforms may not register clocksource/clockevent in
this driver as that would break the boot.
Add a system_timer_capable flag that is only set for am654-timer that
gates the clocksource/clockevent registration.
Reported-by: H. Nikolaus Schaller <hns@goldelico.com>
Closes: https://lore.kernel.org/r/2013A99A-0502-4128-ACFA-B04886224393@goldelico.com
Fixes: b8eeeca55456 ("clocksource/drivers/timer-ti-dm: Add clocksource support")
Signed-off-by: Markus Schneider-Pargmann (TI) <msp@baylibre.com>
Signed-off-by: Daniel Lezcano <daniel.lezcano@kernel.org>
Tested-by: Andreas Kemnade <andreas@kemnade.info> # OMAP3 GTA04
Tested-by: Kevin Hilman <khilman@baylibre.com> # OMAP3 Beagle XM
Tested-by: H. Nikolaus Schaller <hns@goldelico.com> # OMAP3 OpenPandora
Link: https://patch.msgid.link/20260828-v7-3-next-topic-ti-timer-dm-clocksource-omap-fix-v1-1-85f0e4dc6f9f@baylibre.com
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Add PWM capture function in DM timer driver.
OMAP DM timer hardware supports capture feature.It can be used to
timestamp events (falling/rising edges) detected on input signal.
Signed-off-by: Gokul Praveen <g-praveen@ti.com>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Reviewed-by: Neha Malcom Francis <n-francis@ti.com>
Link: https://lore.kernel.org/r/20250812105346.203541-1-g-praveen@ti.com
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dm timer ops set_load() api allows to configure the load value and to
set the auto reload feature. But auto reload feature is independent of
load value and should be part of configuring pwm. This way pwm can be
disabled by disabling auto reload feature using set_pwm() so that the
current pwm cycle will be completed. Else pwm disabling causes the
cycle to be stopped abruptly.
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/20200305082715.15861-7-lokeshvutla@ti.com
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omap_dm_timer_ops provide support to configure the pwm but there is no
support to get the current status. For configuring pwm it is advised to
check the current hw status instead of relying on pwm framework. So
implement a new timer ops to get the current status of pwm.
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Acked-by: Tony Lindgen <tony@atomide.com>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/20200305082715.15861-6-lokeshvutla@ti.com
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Based on 1 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 version 2 as
published by the free software foundation 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 you should have received a copy of the gnu general
public license along with this program if not see http www gnu org
licenses
extracted by the scancode license scanner the SPDX license identifier
GPL-2.0-only
has been chosen to replace the boilerplate/reference in 503 file(s).
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Alexios Zavras <alexios.zavras@intel.com>
Reviewed-by: Allison Randal <allison@lohutok.net>
Reviewed-by: Enrico Weigelt <info@metux.net>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190602204653.811534538@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Add timer ops to the platform data structure
Signed-off-by: Keerthy <j-keerthy@ti.com>
Reviewed-by: Sebastian Reichel <sebastian.reichel@collabora.co.uk>
Tested-by: Ladislav Michl <ladis@linux-mips.org>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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Move definition of dmtimer platform data structure in to its own header
under <linux/platform_data>.
Signed-off-by: Jon Hunter <jon-hunter@ti.com>
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