From mboxrd@z Thu Jan 1 00:00:00 1970 From: Wolfram Sang Date: Tue, 25 Mar 2014 16:31:38 +0000 Subject: Re: [PATCH 0/5] ARM: shmobile: r8a7790: enable IIC(B) cores Message-Id: <20140325163137.GD6374@katana> MIME-Version: 1 Content-Type: multipart/mixed; boundary="IDYEmSnFhs3mNXr+" List-Id: References: <1394573078-20767-1-git-send-email-wsa@the-dreams.de> <2570845.PngjMN9sWk@avalon> In-Reply-To: <2570845.PngjMN9sWk@avalon> To: linux-arm-kernel@lists.infradead.org --IDYEmSnFhs3mNXr+ Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable > > This series allows r8a7790 boards to use the alternative IIC(B) control= ler > > 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. >=20 > 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. --IDYEmSnFhs3mNXr+ Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Digital signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.15 (GNU/Linux) iQIcBAEBAgAGBQJTMa9pAAoJEBQN5MwUoCm2FM4P+gPiQ7D4dhTv+G+j2OybN6q+ lYoV63jqyFdmSoONKLvyzFmLK5LxtYBLSyp6tYpf8z9/nQloCoXEefGz2b50FbIg 7idzaQ9iDZvrDyFoTMmvXgPyqmckp8ZGZIjkPFSDeLThhHIWcLv1ELaRuLr6Trkn J7th1JDXHdjW+aVdU/GHw0eyHTIe6nCGU+6yg8h5I/fdtoZy9Rg4xXJI4dO/JXe3 s6HWtvC4M2j0p0N5p0QS/7AAM4fhkm+h9DSn7wq3Z+BvXRX4kRZAAUu7QWZysgUT NW2HkqCBkD3IxwLpFfrKiIGqF5TRea5drt85aaeJ4WRKgndFP8k+H6uQhk91ZLx/ Ylq3MsZhB4TWJ5RO/ygBcKLPHWM9YscqKx1yBjm5ba9vo9m6X0I9yPphPZdvUVMd 2amrkRKyisYXGuZ5zDxpZaTD7Yw5x65V4LuOygIcJ84Xr4zWa/SH+GKizp+1JhI4 aajMrbAGm5cvy54bsb4/1HwpKnCy4gBjm6gApw7TemRkkToruGZvkkyobjXAMQ5z ccwYtAJpbhEFSkZDRYwBmpRq9oYUQy1ffAjIf6JjOLFROmahB6gk8DS7Jmu70o+L FGyjdimw7n/ukB0fRerLOV4AQhkCCbg/yE2mLPyVhQ10e27HpnntWlcriHXH9b0g Unqv72k3JljAmtlVD2GZ =3HwH -----END PGP SIGNATURE----- --IDYEmSnFhs3mNXr+--