From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mout.gmx.net (mout.gmx.net. [212.227.15.18]) by gmr-mx.google.com with ESMTPS id s132si435917wmd.1.2016.02.02.00.47.05 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 02 Feb 2016 00:47:05 -0800 (PST) Subject: [rtc-linux] Re: [PATCH 2/2] doc: dt: add documentation for alphascale,asm9260-rtc To: Alexandre Belloni , Rob Herring References: <1454056802-23386-1-git-send-email-linux@rempel-privat.de> <1454056802-23386-3-git-send-email-linux@rempel-privat.de> <20160201152750.GA17595@rob-hp-laptop> <20160201155527.GR20165@piout.net> Cc: devicetree@vger.kernel.org, a.zummo@towertech.it, rtc-linux@googlegroups.com From: Oleksij Rempel Message-ID: <56B06CCA.4060208@rempel-privat.de> Date: Tue, 2 Feb 2016 09:46:02 +0100 MIME-Version: 1.0 In-Reply-To: <20160201155527.GR20165@piout.net> Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="Xe087KlWbvSL1W982wrjADLqXjVn2aqou" Reply-To: rtc-linux@googlegroups.com List-ID: List-Post: , List-Help: , List-Archive: , List-Unsubscribe: , This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --Xe087KlWbvSL1W982wrjADLqXjVn2aqou Content-Type: text/plain; charset=UTF-8 Am 01.02.2016 um 16:55 schrieb Alexandre Belloni: > On 01/02/2016 at 09:27:50 -0600, Rob Herring wrote : >> On Fri, Jan 29, 2016 at 09:40:02AM +0100, Oleksij Rempel wrote: >>> Document Alphascale asm9260 RTC bindings >>> >>> Signed-off-by: Oleksij Rempel >>> --- >>> .../bindings/rtc/alphascale,asm9260-rtc.txt | 25 ++++++++++++++++++++++ >>> 1 file changed, 25 insertions(+) >>> create mode 100644 Documentation/devicetree/bindings/rtc/alphascale,asm9260-rtc.txt >>> >>> diff --git a/Documentation/devicetree/bindings/rtc/alphascale,asm9260-rtc.txt b/Documentation/devicetree/bindings/rtc/alphascale,asm9260-rtc.txt >>> new file mode 100644 >>> index 0000000..2c0ff3c >>> --- /dev/null >>> +++ b/Documentation/devicetree/bindings/rtc/alphascale,asm9260-rtc.txt >>> @@ -0,0 +1,25 @@ >>> +* Alphascale asm9260 SoC Real Time Clock >>> + >>> +Required properties: >>> +- compatible: Should be "alphascale,asm9260-rtc" >>> +- reg: Physical base address of the controller and length >>> + of memory mapped region. >>> +- interrupts: IRQ line for the RTC. >>> +- clocks: Reference to the clock entry. >>> +- clock-names: should contain: >>> + * "ahb" for the SoC RTC clock >>> + >>> +Optional: >>> +- calibration: calibration value for 1 sec period. >>> + Max value for forward calibration is 0x1ffff (131071), >>> + Min value for backward calibration is 0xfffe0001 (-131071). >> >> This should be prefixed with 'alphascale,' >> >> How is this value determined? >> > > I think this should stay in userspace, see that series: > https://groups.google.com/forum/#!topic/rtc-linux/HGQqiHnMiuw > > It quite often depends on environmental things like temperature so it may be updated at runtime. > I partially agree. IMO default configuration should work properly by 20C. My devkit provide terrible results without default offset. -- Regards, Oleksij -- -- You received this message because you are subscribed to "rtc-linux". Membership options at http://groups.google.com/group/rtc-linux . Please read http://groups.google.com/group/rtc-linux/web/checklist before submitting a driver. --- You received this message because you are subscribed to the Google Groups "rtc-linux" group. To unsubscribe from this group and stop receiving emails from it, send an email to rtc-linux+unsubscribe@googlegroups.com. For more options, visit https://groups.google.com/d/optout. --Xe087KlWbvSL1W982wrjADLqXjVn2aqou Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iF4EAREIAAYFAlawbMoACgkQHwImuRkmbWlwogD5ARDoAS4OCp+gEAe3sA49rdDF b0jwWtHomClXT8JNYxwA+wYK7L+A+05WKTPDuXJCUgcBreUyBzVvH3IVjLKCwC0H =yWng -----END PGP SIGNATURE----- --Xe087KlWbvSL1W982wrjADLqXjVn2aqou--