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| author | Binbin Zhou <zhoubinbin@loongson.cn> | 2023-06-02 17:50:48 +0800 |
|---|---|---|
| committer | Alexandre Belloni <alexandre.belloni@bootlin.com> | 2023-06-26 01:19:11 +0200 |
| commit | 1b733a9ebc3d8011ca66ec6ff17f55a440358794 (patch) | |
| tree | 71fde3b87948653ec995f84bc03c0633447ba2af /drivers/rtc/Kconfig | |
| parent | 9fb23090658adbd7f8f44bf5c38aa3fc4b1699bd (diff) | |
| download | lwn-1b733a9ebc3d8011ca66ec6ff17f55a440358794.tar.gz lwn-1b733a9ebc3d8011ca66ec6ff17f55a440358794.zip | |
rtc: Add rtc driver for the Loongson family chips
The Loongson family chips use an on-chip counter 0 (Time Of Year
counter) as the RTC. We will refer to them as rtc-loongson.
Cc: Keguang Zhang <keguang.zhang@gmail.com>
Cc: Yang Ling <gnaygnil@gmail.com>
Cc: Jiaxun Yang <jiaxun.yang@flygoat.com>
Signed-off-by: Binbin Zhou <zhoubinbin@loongson.cn>
Signed-off-by: Huacai Chen <chenhuacai@kernel.org>
Signed-off-by: WANG Xuerui <git@xen0n.name>
Reviewed-by: Keguang Zhang <keguang.zhang@gmail.com>
Tested-by: Keguang Zhang <keguang.zhang@gmail.com>
Reviewed-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Tested-by: Jiaxun Yang <jiaxun.yang@flygoat.com> # LS7A
Link: https://lore.kernel.org/r/0c5171156390f614d72f36ceb04a20f432ca639e.1685693501.git.zhoubinbin@loongson.cn
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Diffstat (limited to 'drivers/rtc/Kconfig')
| -rw-r--r-- | drivers/rtc/Kconfig | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/rtc/Kconfig b/drivers/rtc/Kconfig index 0e904dd0d9fa..491376585627 100644 --- a/drivers/rtc/Kconfig +++ b/drivers/rtc/Kconfig @@ -1687,6 +1687,19 @@ config RTC_DRV_JZ4740 This driver can also be built as a module. If so, the module will be called rtc-jz4740. +config RTC_DRV_LOONGSON + tristate "Loongson On-chip RTC" + depends on MACH_LOONGSON32 || MACH_LOONGSON64 || COMPILE_TEST + select REGMAP_MMIO + help + This is a driver for the Loongson on-chip Counter0 (Time-Of-Year + counter) to be used as a RTC. + It can be found on Loongson-1 series cpu, Loongson-2K series cpu + and Loongson LS7A bridge chips. + + This driver can also be built as a module. If so, the module + will be called rtc-loongson. + config RTC_DRV_LPC24XX tristate "NXP RTC for LPC178x/18xx/408x/43xx" depends on ARCH_LPC18XX || COMPILE_TEST |