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SubjectRe: [PATCH 2/3] rtc: ds1307: add Intersil ISL12057 support
Date

Alexandre Belloni <alexandre.belloni@free-electrons.com> writes:

> Intersil ISL12057 is a drop-in replacement for DS1337. It can be supported
> by the ds1307 driver.
>
> Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
> ---
> drivers/rtc/Kconfig | 8 ++++----
> drivers/rtc/rtc-ds1307.c | 6 ++++++
> 2 files changed, 10 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/rtc/Kconfig b/drivers/rtc/Kconfig
> index f47c2f5ff70d..ba0b3e7ce4c5 100644
> --- a/drivers/rtc/Kconfig
> +++ b/drivers/rtc/Kconfig
> @@ -198,14 +198,14 @@ 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
> diff --git a/drivers/rtc/rtc-ds1307.c b/drivers/rtc/rtc-ds1307.c
> index 4c5890864d9c..52be48f2e3c0 100644
> --- a/drivers/rtc/rtc-ds1307.c
> +++ b/drivers/rtc/rtc-ds1307.c
> @@ -186,6 +186,7 @@ static const struct i2c_device_id ds1307_id[] = {
> { "mcp7941x", mcp794xx },
> { "pt7c4338", ds_1307 },
> { "rx8025", rx_8025 },
> + { "isl1207", ds_1337 },

"isl12057"

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