From patchwork Sat May 30 12:48:59 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Kevin P. Fleming" X-Patchwork-Id: 199721 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS, USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 2EAB5C433E1 for ; Sat, 30 May 2020 12:49:11 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 1907120723 for ; Sat, 30 May 2020 12:49:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728304AbgE3MtK (ORCPT ); Sat, 30 May 2020 08:49:10 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51508 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726860AbgE3MtK (ORCPT ); Sat, 30 May 2020 08:49:10 -0400 X-Greylist: delayed 978 seconds by postgrey-1.37 at lindbergh.monkeyblade.net; Sat, 30 May 2020 05:49:10 PDT Received: from mail.net18.km6g.us (mail.net18.km6g.us [IPv6:2607:5300:203:24b0:3::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3C0D5C03E969; Sat, 30 May 2020 05:49:10 -0700 (PDT) Received: from [2001:470:8afe:60:716b:c9b9:d55a:f6f1] (helo=balrog20.km6g.us) by mail.net18.km6g.us with esmtp (Exim 4.93.0.4 (FreeBSD)) (envelope-from ) id 1jf0vE-0003lm-OH; Sat, 30 May 2020 08:49:09 -0400 From: "Kevin P. Fleming" To: devicetree@vger.kernel.org, linux-rtc@vger.kernel.org Cc: "Kevin P. Fleming" , Alessandro Zummo , Alexandre Belloni , Rob Herring Subject: [PATCH 1/2] dt-bindings: abx80x: Add autocal-filter property Date: Sat, 30 May 2020 08:48:59 -0400 Message-Id: <20200530124900.363399-1-kevin+linux@km6g.us> X-Mailer: git-send-email 2.26.2 MIME-Version: 1.0 Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Add a property to allow control of the autocalibration filter capacitor. Signed-off-by: Kevin P. Fleming Cc: Alessandro Zummo Cc: Alexandre Belloni Cc: Rob Herring To: linux-rtc@vger.kernel.org To: devicetree@vger.kernel.org --- Documentation/devicetree/bindings/rtc/abracon,abx80x.txt | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/Documentation/devicetree/bindings/rtc/abracon,abx80x.txt b/Documentation/devicetree/bindings/rtc/abracon,abx80x.txt index 2405e35a1bc0..ad5d59ed6f24 100644 --- a/Documentation/devicetree/bindings/rtc/abracon,abx80x.txt +++ b/Documentation/devicetree/bindings/rtc/abracon,abx80x.txt @@ -29,3 +29,9 @@ and valid to enable charging: - "abracon,tc-diode": should be "standard" (0.6V) or "schottky" (0.3V) - "abracon,tc-resistor": should be <0>, <3>, <6> or <11>. 0 disables the output resistor, the other values are in kOhm. + +All of the devices can have a 47pf capacitor attached to increase the +autocalibration accuracy of their RC oscillators. To enable usage of the +capacitor the following property has to be defined: + + - "abracon,autocal-filter"