From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752660AbcELIav (ORCPT ); Thu, 12 May 2016 04:30:51 -0400 Received: from gloria.sntech.de ([95.129.55.99]:58199 "EHLO gloria.sntech.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751535AbcELIar (ORCPT ); Thu, 12 May 2016 04:30:47 -0400 From: Heiko Stuebner To: Doug Anderson Cc: David Wu , Wolfram Sang , Rob Herring , Andy Shevchenko , Pawel Moll , Mark Rutland , Ian Campbell , Kumar Gala , Brian Norris , David Riley , Tao Huang , Lin Huang , Jianqun Xu , Chris , Eddie Cai , "linux-arm-kernel@lists.infradead.org" , "open list:ARM/Rockchip SoC..." , "linux-i2c@vger.kernel.org" , "devicetree@vger.kernel.org" , "linux-kernel@vger.kernel.org" Subject: Re: [PATCH v8 8/8] i2c: rk3x: support fast-mode plus for rk3399 Date: Thu, 12 May 2016 10:30:25 +0200 Message-ID: <6806722.VBDbziL6YI@phil> User-Agent: KMail/4.14.10 (Linux/4.3.0-1-amd64; KDE/4.14.14; x86_64; ; ) In-Reply-To: References: <1462908252-27016-1-git-send-email-david.wu@rock-chips.com> <5153288.jNhUuzGC3g@phil> MIME-Version: 1.0 Content-Transfer-Encoding: 7Bit Content-Type: text/plain; charset="us-ascii" Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Am Mittwoch, 11. Mai 2016, 16:41:54 schrieb Doug Anderson: > Heiko, > > On Wed, May 11, 2016 at 2:09 PM, Heiko Stuebner wrote: > > Additionally, the i2c-noob in me would wish for a short sentence on > > where > > the timing values come from (measured, somewhere in the TRM I didn't > > find or something completely different). > > If you search for "UM10204" you'll find the first link is > . That appears > to be the official standard. At least that's what > says (though they have an old > link). I did find that document yesterday, but was to blind and somehow only saw the separate table for highspeed-timings. On a closer look, I now also found the timing-table for the other modes [due to the bigger font-size used there? ;-) ] From mboxrd@z Thu Jan 1 00:00:00 1970 From: Heiko Stuebner Subject: Re: [PATCH v8 8/8] i2c: rk3x: support fast-mode plus for rk3399 Date: Thu, 12 May 2016 10:30:25 +0200 Message-ID: <6806722.VBDbziL6YI@phil> References: <1462908252-27016-1-git-send-email-david.wu@rock-chips.com> <5153288.jNhUuzGC3g@phil> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7Bit Return-path: In-Reply-To: Sender: linux-kernel-owner@vger.kernel.org To: Doug Anderson Cc: David Wu , Wolfram Sang , Rob Herring , Andy Shevchenko , Pawel Moll , Mark Rutland , Ian Campbell , Kumar Gala , Brian Norris , David Riley , Tao Huang , Lin Huang , Jianqun Xu , Chris , Eddie Cai , "linux-arm-kernel@lists.infradead.org" , "open list:ARM/Rockchip SoC..." , "linux-i2c@vger.kernel.org" , "devicetree@vger.kernel.org" , "linux-kernel@vger.kernel.org" List-Id: devicetree@vger.kernel.org Am Mittwoch, 11. Mai 2016, 16:41:54 schrieb Doug Anderson: > Heiko, > > On Wed, May 11, 2016 at 2:09 PM, Heiko Stuebner wrote: > > Additionally, the i2c-noob in me would wish for a short sentence on > > where > > the timing values come from (measured, somewhere in the TRM I didn't > > find or something completely different). > > If you search for "UM10204" you'll find the first link is > . That appears > to be the official standard. At least that's what > says (though they have an old > link). I did find that document yesterday, but was to blind and somehow only saw the separate table for highspeed-timings. On a closer look, I now also found the timing-table for the other modes [due to the bigger font-size used there? ;-) ] From mboxrd@z Thu Jan 1 00:00:00 1970 From: heiko@sntech.de (Heiko Stuebner) Date: Thu, 12 May 2016 10:30:25 +0200 Subject: [PATCH v8 8/8] i2c: rk3x: support fast-mode plus for rk3399 In-Reply-To: References: <1462908252-27016-1-git-send-email-david.wu@rock-chips.com> <5153288.jNhUuzGC3g@phil> Message-ID: <6806722.VBDbziL6YI@phil> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Am Mittwoch, 11. Mai 2016, 16:41:54 schrieb Doug Anderson: > Heiko, > > On Wed, May 11, 2016 at 2:09 PM, Heiko Stuebner wrote: > > Additionally, the i2c-noob in me would wish for a short sentence on > > where > > the timing values come from (measured, somewhere in the TRM I didn't > > find or something completely different). > > If you search for "UM10204" you'll find the first link is > . That appears > to be the official standard. At least that's what > says (though they have an old > link). I did find that document yesterday, but was to blind and somehow only saw the separate table for highspeed-timings. On a closer look, I now also found the timing-table for the other modes [due to the bigger font-size used there? ;-) ]