linux-kernel - [PATCH 0/2] *** Ricoh RS5C372: add support for Xtal trimming configuration ***

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Date:   Sun, 31 Oct 2021 00:50:52 +0200
From:   Pavel Modilaynen <pavel.modilaynen@...s.com>
To:     <a.zummo@...ertech.it>, <alexandre.belloni@...tlin.com>,
        <robh+dt@...nel.org>
CC:     <linux-rtc@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <lkml@...s.com>, <kernel@...s.com>,
        "Pavel Modilaynen" <pavelmn@...s.com>
Subject: [PATCH 0/2] *** Ricoh RS5C372: add support for Xtal trimming configuration ***

From: Pavel Modilaynen <pavelmn@...s.com>

*** BLURB HERE ***

Add support for Xtal trimming configuration with new DT property: ricoh,trim.
This uint8 property is to contain raw value to setup Oscillation Adjustment
register (0x7) of Ricoh RS5C372 and similar RTC controllers.
This raw value has device model specific format and is used to adjust
(subtract or add) time counts per second (normally 32768) on regular
intervals (e.g. every 20th second).

Pavel Modilaynen (2):
  rtc: rs5c372: Add support for trim configuration
  dt-bindings: rtc: Add bindings for Ricoh rs5c372

 .../bindings/rtc/ricoh,rs5c372.yaml           | 58 +++++++++++++++++++
 .../devicetree/bindings/rtc/trivial-rtc.yaml  | 12 ----
 drivers/rtc/rtc-rs5c372.c                     | 18 +++++-
 3 files changed, 75 insertions(+), 13 deletions(-)
 create mode 100644 Documentation/devicetree/bindings/rtc/ricoh,rs5c372.yaml

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2.20.1