Hi Biju,
On Sat, May 13, 2023 at 6:53 PM Biju Das <biju.das.jz@xxxxxxxxxxxxxx> wrote:
> The RAA215300 is a 9-channel PMIC that consists of
> * Internally compensated regulators
> * built-in Real Time Clock (RTC)
> * 32kHz crystal oscillator
> * coin cell battery charger
>
> The RTC on RAA215300 is similar to the IP found in the ISL1208.
> The existing driver for the ISL1208 works for this PMIC too,
> however the RAA215300 exposes two devices via I2C, one for the RTC
> IP, and one for everything else. The RTC IP has to be enabled
> by the other I2C device, therefore this driver is necessary to get
> the RTC to work.
>
> The external oscillator bit is inverted on PMIC version 0x11.
>
> Add PMIC RAA215300 driver for enabling RTC block and instantiating
> RTC device based on PMIC version.
>
> Signed-off-by: Biju Das <biju.das.jz@xxxxxxxxxxxxxx>
> ---
> v2->v3:
> * Updated commit description
> * Added support for handling "renesas,rtc-enabled" property.
> * Based on PMIC version, it instantiates rtc device by calling i2c_new_
> ancillary_device().
Thanks for the update!
> RFC->V2:
> * Dropped MODULE_SOFTDEP from the driver as it is added in RTC platform
> driver.
> ---
> drivers/mfd/Kconfig | 7 +++
> drivers/mfd/Makefile | 2 +
> drivers/mfd/raa215300.c | 102 ++++++++++++++++++++++++++++++++++++++++
Note that this driver no longer uses any MFD APIs...
Perhaps it should be moved to drivers/regulator/ instead?
Gr{oetje,eeting}s,
Geert
--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx
In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds
