From mboxrd@z Thu Jan 1 00:00:00 1970 From: wsa@the-dreams.de (Wolfram Sang) Date: Tue, 25 Mar 2014 17:31:38 +0100 Subject: [PATCH 0/5] ARM: shmobile: r8a7790: enable IIC(B) cores In-Reply-To: <2570845.PngjMN9sWk@avalon> References: <1394573078-20767-1-git-send-email-wsa@the-dreams.de> <2570845.PngjMN9sWk@avalon> Message-ID: <20140325163137.GD6374@katana> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org > > This series allows r8a7790 boards to use the alternative IIC(B) controller > > handled by the i2c-sh_mobile driver. Since both i2c cores always use the > > same pins only in a different function group, you can easily use this or > > that core for your devices. For that reason, there is currently no > > enablement on the Lager board, since it needs discussion which core we want > > to have on which bus. sh_mobile seems more stable currently, so I'd vote > > for that. > > Do you have a short list of pros and cons from a hardware point of view ? iic has DMA capability for which we don't have software support yet. Other than that, I guess it is just details and I haven't looked that deep into the datasheets yet. That might be coming after this DT enablement. -------------- next part -------------- A non-text attachment was scrubbed... Name: signature.asc Type: application/pgp-signature Size: 836 bytes Desc: Digital signature URL: