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| author |   AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com> | 2023-03-09 11:39:13 +0100 |
|---|---|---|
| committer |   Daniel Lezcano <daniel.lezcano@linaro.org> | 2023-04-24 16:56:13 +0200 |
| commit | 49d576ea72a4fa5be15717babfa308b70b2bc5a4 (patch) | |
| tree | f62194a9bdf48728d850e7ff8558595513af9eec /drivers/clocksource/Kconfig | |
| parent | clocksource/drivers/exynos_mct: Explicitly return 0 for shared timer (diff) | |
| download | wireguard-linux-49d576ea72a4fa5be15717babfa308b70b2bc5a4.tar.xz wireguard-linux-49d576ea72a4fa5be15717babfa308b70b2bc5a4.zip | |
clocksource/drivers/timer-mediatek: Split out CPUXGPT timers
On MediaTek platforms, CPUXGPT is the source for the AArch64 System
Timer, read through CNTVCT_EL0.
The handling for starting this timer ASAP was introduced in commit
327e93cf9a59 ("clocksource/drivers/timer-mediatek: Implement CPUXGPT timers")
which description also contains an important full explanation of the
reasons why this driver is necessary and cannot be a module.
In preparation for an eventual conversion of timer-mediatek to a
platform_driver that would be possibly built as a module, split out
the CPUXGPT timers driver to a new timer-mediatek-cpux.c driver.
This commit brings no functional changes.
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Reviewed-by: Walter Chang <walter.chang@mediatek.com>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/20230309103913.116775-1-angelogioacchino.delregno@collabora.com
Diffstat (limited to 'drivers/clocksource/Kconfig')
| -rw-r--r-- | drivers/clocksource/Kconfig | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/clocksource/Kconfig b/drivers/clocksource/Kconfig index 5fc8f0e7fb38..526382dc7482 100644 --- a/drivers/clocksource/Kconfig +++ b/drivers/clocksource/Kconfig @@ -479,6 +479,15 @@ config MTK_TIMER help Support for Mediatek timer driver. +config MTK_CPUX_TIMER + bool "MediaTek CPUX timer driver" if COMPILE_TEST + depends on HAS_IOMEM + default ARCH_MEDIATEK + select TIMER_OF + select CLKSRC_MMIO + help + Support for MediaTek CPUXGPT timer driver. + config SPRD_TIMER bool "Spreadtrum timer driver" if EXPERT depends on HAS_IOMEM |