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rtc: ds1307: add Intersil ISL12057 support

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Intersil ISL12057 is a drop-in replacement for DS1337. It can be supported
by the ds1307 driver.

Acked-by: Arnaud Ebalard <arno@natisbad.org>
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
This commit is contained in:
Alexandre Belloni
2016-07-13 02:36:41 +02:00
parent 50d6c0ea81
commit 78aaa06d79
2 changed files with 10 additions and 4 deletions
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8
drivers/rtc/Kconfig
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@@ -208,14 +208,14 @@ config RTC_DRV_AS3722
will be called rtc-as3722.
config RTC_DRV_DS1307
tristate "Dallas/Maxim DS1307/37/38/39/40, ST M41T00, EPSON RX-8025"
tristate "Dallas/Maxim DS1307/37/38/39/40, ST M41T00, EPSON RX-8025, ISL12057"
help
If you say yes here you get support for various compatible RTC
chips (often with battery backup) connected with I2C. This driver
should handle DS1307, DS1337, DS1338, DS1339, DS1340, ST M41T00,
EPSON RX-8025 and probably other chips. In some cases the RTC
must already have been initialized (by manufacturing or a
bootloader).
EPSON RX-8025, Intersil ISL12057 and probably other chips. In some
cases the RTC must already have been initialized (by manufacturing or
a bootloader).
The first seven registers on these chips hold an RTC, and other
registers may add features such as NVRAM, a trickle charger for