[PATCH v3] rtc: add ht1380 driver

[Simon Glass]

On Fri, 9 Dec 2022 at 08:15, Sergei Antonov <saproj at gmail.com> wrote:
>
> Support Holtek HT1380/HT1381 Serial Timekeeper Chip. It provides seconds
> , minutes, hours, day of the week, date, month and year information.
>
> Datasheet:
> https://www.holtek.com.tw/documents/10179/11842/ht1380_1v130.pdf
>
> Signed-off-by: Sergei Antonov <saproj at gmail.com>
> ---
>
> v3:
> Suggested by Simon Glass:
> * remove extra brackets
> * pass GPIOD_IS_OUT to gpio_request_by_name() and drop the extra code below
> * add text to Kconfig: how it is connected, i.e. three GPIOs
> * rename dts names to plural: rst/clk/dat-gpios
> Suggested by Tom Rini:
> * enable on sandbox so that it gets build tested
>
> v2:
> * The RESET pin is now to be described as ACTIVE_LOW in dts.
> Changes suggested by Simon Glass:
> * a more detailed driver description in Kconfig
> * multi-line comments' style
> * enum for 0x80 and the 0x20 at top of file
> * lower-case hex constants
> * function comments for ht1380_reset_on/off
> * blank line before returns
>
>  configs/sandbox_defconfig |   1 +
>  drivers/rtc/Kconfig       |   9 ++
>  drivers/rtc/Makefile      |   1 +
>  drivers/rtc/ht1380.c      | 329 ++++++++++++++++++++++++++++++++++++++
>  4 files changed, 340 insertions(+)
>  create mode 100644 drivers/rtc/ht1380.c

Reviewed-by: Simon Glass <sjg at chromium.org>