From mboxrd@z Thu Jan 1 00:00:00 1970 From: Laurent Pinchart Subject: Re: [PATCH 2/5] i2c: emev2: add binding documentation Date: Thu, 09 Jul 2015 03:35:02 +0300 Message-ID: <68423578.FklJfiBCEe@avalon> References: <1436219188-4325-1-git-send-email-wsa@the-dreams.de> <13947160.RNzBrc1uk4@avalon> <20150707195313.GD1572@katana> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7Bit Return-path: In-Reply-To: <20150707195313.GD1572@katana> Sender: linux-i2c-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Wolfram Sang Cc: linux-i2c-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-sh-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Magnus Damm , Simon Horman , Geert Uytterhoeven List-Id: linux-i2c@vger.kernel.org On Tuesday 07 July 2015 21:53:13 Wolfram Sang wrote: > > > I follow what is done for the other EMEV2 IP cores currently supported. > > > All cores I checked have PCLK and SCLK but only SCLK is referenced in > > > the DTS. > > > > Could you briefly explain what the two clocks are for ? Or point me to the > > right documentation ? > > PCLK is the APB clock. See R19UH0037EJ1200_SMU.pdf, chapter 4.13. Is that the functional clock, while SCLK is the clock used to control serial communication ? -- Regards, Laurent Pinchart