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2017-11-08rtc: m41t80: fix m41t80_sqw_round_rate return valueTroy Kisky1-12/+7
Previously it was returning the best of 32768, 8192, 1024, 64, 2, 0 Now, best of 32768, 8192, 4096, 2048, 1024, 512, 256, 128, 64, 32, 16, 8, 4, 2, 1, 0 Signed-off-by: Troy Kisky <troy.kisky@boundarydevices.com> Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
2017-11-08rtc: m41t80: m41t80_sqw_set_rate should return 0 on successTroy Kisky1-4/+1
Previously it was returning -EINVAL upon success. Signed-off-by: Troy Kisky <troy.kisky@boundarydevices.com> Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
2017-11-08rtc: add support for NXP PCF85363 real-time clockEric Nelson4-0/+251
Note that alarms are not currently implemented. 64 bytes of nvmem is supported and exposed in sysfs (# is the instance number, starting with 0): /sys/bus/nvmem/devices/pcf85363-#/nvmem Signed-off-by: Eric Nelson <eric@nelint.com> Reviewed-by: Fabio Estevam <fabio.estevam@nxp.com> Tested-by: Alexandre Belloni <alexandre.belloni@free-electrons.com> Acked-by: Rob Herring <robh@kernel.org> Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
2017-11-08rtc: omap: Support scratch registersAlexandre Belloni1-0/+45
Register an nvmem device to expose the 3 scratch registers (total of 12 bytes) to both userspace and kernel space. Reviewed-by: Sekhar Nori <nsekhar@ti.com> Tested-by: Keerthy <j-keerthy@ti.com> Reviewed-by: Keerthy <j-keerthy@ti.com> Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
2017-10-31rtc: omap: switch to rtc_register_deviceAlexandre Belloni1-2/+7
This removes a possible race condition and crash and allows for further improvement of the driver. Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
2017-10-31rtc: omap: fix error path when pinctrl_register failsAlexandre Belloni1-1/+2
If pinctrl_register() fails probe will return with an error without locking the RTC and disabling pm_runtime. Set ret and jump to err instead. Fixes: 97ea1906b3c2 ("rtc: omap: Support ext_wakeup configuration") Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
2017-10-27rtc: ds1390: Add OF device ID tableAlexandre Belloni1-0/+7
The driver doesn't have a struct of_device_id table but supported devices are registered via Device Trees. Worse, the compatible is documented but doesn't currently match the driver. Add the proper compatible to the driver. Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
2017-10-26rtc: ds1307: add OF and ACPI entries for Epson RX8130Bastian Stender1-0/+5
Make Epson RX8130 device tree and ACPI aware. Fixes: ee0981be7704 ("rtc: ds1307: Add support for Epson RX8130CE") Signed-off-by: Bastian Stender <bst@pengutronix.de> Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
2017-10-26rtc: mediatek: update MAINTAINERS entry with MediaTek RTC driverSean Wang1-0/+3
I work for MediaTek on maintaining the MediaTek SoC based RTC driver for the existing SoCs and keep adding support for the following SoCs in the future. Cc: Eddie Huang <eddie.huang@mediatek.com> Signed-off-by: Sean Wang <sean.wang@mediatek.com> Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
2017-10-26rtc: mediatek: enhance the description for MediaTek PMIC based RTCSean Wang1-4/+4
Give a better description for original MediaTek RTC driver as PMIC based RTC in order to distinguish SoC based RTC. Also turning all words with Mediatek to MediaTek here. Cc: Eddie Huang <eddie.huang@mediatek.com> Signed-off-by: Sean Wang <sean.wang@mediatek.com> Acked-by: Eddie Huang <eddie.huang@mediatek.com> Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
2017-10-26rtc: mediatek: add driver for RTC on MT7622 SoCSean Wang3-0/+433
This patch introduces the driver for the RTC on MT7622 SoC. Signed-off-by: Sean Wang <sean.wang@mediatek.com> Reviewed-by: Yingjoe Chen <yingjoe.chen@mediatek.com> Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>