[PATCH v4 0/3] Add RTC for MStar SoCs

[Romain Perier]

Le mar. 14 sept. 2021 à 21:57, Alexandre Belloni
<alexandre.belloni at bootlin.com> a écrit :
>
> On 14/09/2021 19:20:56+0200, Romain Perier wrote:
> > Hi,
> >
> > ping,
> >
>
> Well, this was sent to close from the merge window and the merge window
> just closed :)

Ah right, I have forgotten that, my bad ^^.  Ignore my comment then

Romain

>
> > Regards,
> > Romain
> >
> > Le lun. 23 août 2021 à 19:16, Romain Perier <romain.perier at gmail.com> a écrit :
> > >
> > > This patches series adds a new driver for the RTC found in the Mstar
> > > MSC313e SoCs and newer. It adds a basic rtc driver, the corresponding
> > > devicetree bindings and its documentation.
> > >
> > > The rtctest (from selftests) has been passed on this driver, with the
> > > following output:
> > > $ rtctest
> > > TAP version 13
> > > 1..7
> > > # Starting 7 tests from 2 test cases.
> > > #  RUN           rtc.date_read ...
> > > # rtctest.c:47:date_read:Current RTC date/time is 01/01/1970 00:02:03.
> > > #            OK  rtc.date_read
> > > ok 1 rtc.date_read
> > > #  RUN           rtc.uie_read ...
> > > #            OK  rtc.uie_read
> > > ok 2 rtc.uie_read
> > > #  RUN           rtc.uie_select ...
> > > #            OK  rtc.uie_select
> > > ok 3 rtc.uie_select
> > > #  RUN           rtc.alarm_alm_set ...
> > > # rtctest.c:136:alarm_alm_set:Alarm time now set to 00:02:12.
> > > # rtctest.c:156:alarm_alm_set:data: 1a0
> > > #            OK  rtc.alarm_alm_set
> > > ok 4 rtc.alarm_alm_set
> > > #  RUN           rtc.alarm_wkalm_set ...
> > > # rtctest.c:192:alarm_wkalm_set:Alarm time now set to 01/01/1970 00:02:15.
> > > #            OK  rtc.alarm_wkalm_set
> > > ok 5 rtc.alarm_wkalm_set
> > > #  RUN           rtc.alarm_alm_set_minute ...
> > > # rtctest.c:238:alarm_alm_set_minute:Alarm time now set to 00:03:00.
> > > # rtctest.c:258:alarm_alm_set_minute:data: 1a0
> > > #            OK  rtc.alarm_alm_set_minute
> > > ok 6 [  180.545015] random: fast init done
> > > rtc.alarm_alm_set_minute
> > > #  RUN           rtc.alarm_wkalm_set_minute ...
> > > # rtctest.c:294:alarm_wkalm_set_minute:Alarm time now set to 01/01/1970 00:04:00.
> > > #            OK  rtc.alarm_wkalm_set_minute
> > > ok 7 rtc.alarm_wkalm_set_minute
> > > # PASSED: 7 / 7 tests passed.
> > > # Totals: pass:7 fail:0 xfail:0 xpass:0 skip:0 error:0
> > >
> > > Changes since v3:
> > > - Fixed bad device table in MODULE_DEVICE_TABLE()
> > > - Use reverse christmas tree ordering for local variables in the probe()
> > >   function
> > > - Removed the "clk" field from the msc313_rtc data structure (not
> > >   required, only used in the probe function)
> > >
> > > Changes since v2:
> > > - Added dual-license header to the dt-bindings documentation
> > > - Reordered dts entries, so the rtc device_node is before the watchdog
> > >   device_node (because it has a lower address)
> > > - Updated rtc range_max to U32_MAX
> > > - Leave range_min to 0 (default value when it is not set at all)
> > > - Fixed the CNT_EN_BIT logic, so .read_time will only read the time when
> > >   the RTC has been previously set and has a valid state (which is not
> > >   the case after a POR).
> > >
> > > Changes since v1:
> > > - Fixed the DT bindings documentation and fixed dt_binding_check (an
> > >   include was missing)
> > > - Added || COMPILE_TEST to kconfig
> > > - Removed rtc_valid_tm from msc313_rtc_read_time()
> > > - Removed the last write of the msc313_rtc_set_time() function (not
> > >   required) and improved comments
> > > - Replaced the relaxed io by normal io in msc313_rtc_interrupt()
> > > - Added checks to be sure that the alarm fired in msc313_rtc_interrupt()
> > > - Removed msc313_rtc_remove() (replaced by devm_add_action_or_reset)
> > > - Removed unnecessary software reset of the IP in the probe function
> > >   (the soft reset is never executed, it is a mistake from the initial
> > >   refactoring)
> > > - Switched to devm_rtc_allocate_device() and devm_rtc_register_device(),
> > >   and dropped the error message related to the rtc device allocation
> > > - Added an RTC range by setting .range_min and .range_max
> > > - Added the "start-year" property to the DT bindings documentation
> > >
> > > Daniel Palmer (1):
> > >   rtc: Add support for the MSTAR MSC313 RTC
> > >
> > > Romain Perier (2):
> > >   dt-bindings: rtc: Add Mstar MSC313e RTC devicetree bindings
> > >     documentation
> > >   ARM: dts: mstar: Add rtc device node
> > >
> > >  .../bindings/rtc/mstar,msc313-rtc.yaml        |  49 ++++
> > >  MAINTAINERS                                   |   1 +
> > >  arch/arm/boot/dts/mstar-v7.dtsi               |   8 +
> > >  drivers/rtc/Kconfig                           |  10 +
> > >  drivers/rtc/Makefile                          |   1 +
> > >  drivers/rtc/rtc-msc313.c                      | 258 ++++++++++++++++++
> > >  6 files changed, 327 insertions(+)
> > >  create mode 100644 Documentation/devicetree/bindings/rtc/mstar,msc313-rtc.yaml
> > >  create mode 100644 drivers/rtc/rtc-msc313.c
> > >
> > > --
> > > 2.30.2
> > >
>
> --
> Alexandre Belloni, co-owner and COO, Bootlin
> Embedded Linux and Kernel engineering
> https://bootlin.com