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FROMLIST: clocksource/drivers/timer-mediatek: Make timer-mediatek become loadable module

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Make the timer-mediatek driver which can register
an always-on timer as tick_broadcast_device on
MediaTek SoCs become loadable module in GKI.

Signed-off-by: Chun-Hung Wu <chun-hung.wu@mediatek.com>
Signed-off-by: Walter Chang <walter.chang@mediatek.com>
Tested-by: Walter Chang <walter.chang@mediatek.com>a

Link: https://lore.kernel.org/lkml/20230421034649.15247-5-walter.chang@mediatek.com/T/
Bug: 161675989
Change-Id: I73ad74f0024a8e72ed7f60754d26433c2149e270
Signed-off-by: Chun-Hung Wu <chun-hung.wu@mediatek.com>
This commit is contained in:
Chun-Hung Wu 2023-02-14 18:53:14 +08:00 committed by Greg Kroah-Hartman
parent 4625c2b602
commit 7e62fb828f
2 changed files with 34 additions and 1 deletions
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2
drivers/clocksource/Kconfig
View File

@ -472,7 +472,7 @@ config SYS_SUPPORTS_SH_CMT
bool
config MTK_TIMER
bool "Mediatek timer driver" if COMPILE_TEST
tristate "MediaTek timer driver"
depends on HAS_IOMEM
select TIMER_OF
select CLKSRC_MMIO

33
drivers/clocksource/timer-mediatek.c
View File

@ -13,6 +13,9 @@
#include <linux/clocksource.h>
#include <linux/interrupt.h>
#include <linux/irqreturn.h>
#include <linux/module.h>
#include <linux/of_device.h>
#include <linux/platform_device.h>
#include <linux/sched_clock.h>
#include <linux/slab.h>
#include "timer-of.h"
@ -337,5 +340,35 @@ static int __init mtk_gpt_init(struct device_node *node)
return 0;
}
#ifndef MODULE
TIMER_OF_DECLARE(mtk_mt6577, "mediatek,mt6577-timer", mtk_gpt_init);
TIMER_OF_DECLARE(mtk_mt6765, "mediatek,mt6765-timer", mtk_syst_init);
#else
static int mtk_timer_probe(struct platform_device *pdev)
{
int (*timer_init)(struct device_node *node);
struct device_node *np = pdev->dev.of_node;
timer_init = of_device_get_match_data(&pdev->dev);
return timer_init(np);
}
static const struct of_device_id mtk_timer_match_table[] = {
{ .compatible = "mediatek,mt6577-timer", .data = mtk_gpt_init },
{ .compatible = "mediatek,mt6765-timer", .data = mtk_syst_init },
{ /* sentinel */ }
};
static struct platform_driver mtk_timer_driver = {
.probe = mtk_timer_probe,
.driver = {
.name = "mediatek-timer",
.of_match_table = mtk_timer_match_table,
},
};
module_platform_driver(mtk_timer_driver);
MODULE_DESCRIPTION("MediaTek Timer driver");
MODULE_LICENSE("GPL v2");
#endif