linux-kernel - [PATCH 0/4] rtc: ds1307: Add support for Epson RX8901CE

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Message-ID: <20251219-ds1307-rx8901-add-v1-0-b13f346ebe93@axis.com>
Date: Fri, 19 Dec 2025 13:10:34 +0100
From: Fredrik M Olsson <fredrik.m.olsson@...s.com>
To: Alexandre Belloni <alexandre.belloni@...tlin.com>, Rob Herring
	<robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley
	<conor+dt@...nel.org>, Nobuhiro Iwamatsu <nobuhiro.iwamatsu.x90@...l.toshiba>
CC: <linux-rtc@...r.kernel.org>, <devicetree@...r.kernel.org>,
	<linux-kernel@...r.kernel.org>, Fredrik M Olsson <fredrik.m.olsson@...s.com>,
	<kernel@...s.com>
Subject: [PATCH 0/4] rtc: ds1307: Add support for Epson RX8901CE

Add basic support for the Epson RX8901CE RTC.
Datasheet: https://download.epsondevice.com/td/pdf/app/RX8901CE_en.pdf

Also includes a bug fix for an issue with reading the weekday from the
RTC which affects both the existing rx8130 and this rx8901 driver.

Signed-off-by: Fredrik M Olsson <fredrik.m.olsson@...s.com>
---
Fredrik M Olsson (4):
      dt-bindings: rtc: ds1307: Add epson,rx8901
      rtc: ds1307: Fix off-by-one issue with wday for rx8130
      rtc: ds1307: Add Driver for Epson RX8901CE
      rtc: ds1307: Add support for reading RX8901CE battery VL status

 .../devicetree/bindings/rtc/rtc-ds1307.yaml        |   1 +
 drivers/rtc/rtc-ds1307.c                           | 104 ++++++++++++++++++++-
 2 files changed, 102 insertions(+), 3 deletions(-)
---
base-commit: ea1013c1539270e372fc99854bc6e4d94eaeff66
change-id: 20251126-ds1307-rx8901-add-a0fe173093e3

Best regards,
-- 
Fredrik M Olsson <fredrik.m.olsson@...s.com>