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authorClément Léger <clement.leger@bootlin.com>2022-03-08 14:35:05 +0100
committerAlexandre Belloni <alexandre.belloni@bootlin.com>2022-03-25 11:42:50 +0100
commit81c2f059ab90b221931e78503c80dcd8fbadac53 (patch)
tree13b54441bdc678003776ad8659c9a8f6c4cfc208 /drivers/rtc/Kconfig
parent870c54e1a3e111613cd68e5cc867455dc4765cd6 (diff)
downloadlinux-81c2f059ab90b221931e78503c80dcd8fbadac53.tar.bz2
rtc: optee: add RTC driver for OP-TEE RTC PTA
This drivers allows to communicate with a RTC PTA handled by OP-TEE [1]. This PTA allows to query RTC information, set/get time and set/get offset depending on the supported features. [1] https://github.com/OP-TEE/optee_os/pull/5179 Signed-off-by: Clément Léger <clement.leger@bootlin.com> Reviewed-by: Jens Wiklander <jens.wiklander@linaro.org> Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Link: https://lore.kernel.org/r/20220308133505.471601-1-clement.leger@bootlin.com
Diffstat (limited to 'drivers/rtc/Kconfig')
-rw-r--r--drivers/rtc/Kconfig10
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/rtc/Kconfig b/drivers/rtc/Kconfig
index d85a3c31347c..cba5427f79b3 100644
--- a/drivers/rtc/Kconfig
+++ b/drivers/rtc/Kconfig
@@ -1293,6 +1293,16 @@ config RTC_DRV_OPAL
This driver can also be built as a module. If so, the module
will be called rtc-opal.
+config RTC_DRV_OPTEE
+ tristate "OP-TEE based RTC driver"
+ depends on OPTEE
+ help
+ Select this to get support for OP-TEE based RTC control on SoCs where
+ RTC are not accessible to the normal world (Linux).
+
+ This driver can also be built as a module. If so, the module
+ will be called rtc-optee.
+
config RTC_DRV_ZYNQMP
tristate "Xilinx Zynq Ultrascale+ MPSoC RTC"
depends on OF && HAS_IOMEM