From mboxrd@z Thu Jan 1 00:00:00 1970 From: Wolfram Sang Subject: Re: [PATCH v4 i2c/for-next] i2c: rcar: Add per-Generation fallback bindings Date: Sun, 11 Dec 2016 22:49:23 +0100 Message-ID: <20161211214923.GB2552@katana> References: <1481040088-22596-1-git-send-email-horms+renesas@verge.net.au> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="4SFOXa2GPu3tIq4H" Return-path: Content-Disposition: inline In-Reply-To: <1481040088-22596-1-git-send-email-horms+renesas@verge.net.au> Sender: linux-renesas-soc-owner@vger.kernel.org To: Simon Horman Cc: Wolfram Sang , Magnus Damm , linux-i2c@vger.kernel.org, linux-renesas-soc@vger.kernel.org, Rob Herring , devicetree@vger.kernel.org List-Id: devicetree@vger.kernel.org --4SFOXa2GPu3tIq4H Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Tue, Dec 06, 2016 at 05:01:28PM +0100, Simon Horman wrote: > In the case of Renesas R-Car hardware we know that there are generations = of > SoCs, e.g. Gen 2 and Gen 3. But beyond that it's not clear what the > relationship between IP blocks might be. For example, I believe that > r8a7790 is older than r8a7791 but that doesn't imply that the latter is a > descendant of the former or vice versa. >=20 > We can, however, by examining the documentation and behaviour of the > hardware at run-time observe that the current driver implementation appea= rs > to be compatible with the IP blocks on SoCs within a given generation. >=20 > For the above reasons and convenience when enabling new SoCs a > per-generation fallback compatibility string scheme is being adopted for > drivers for Renesas SoCs. >=20 > Also: > * Deprecate renesas,i2c-rcar. It seems poorly named as it is only > compatible with R-Car Gen 1. It also appears unused in mainline. > * Add some text to describe per-SoC bindings >=20 > Signed-off-by: Simon Horman > Reviewed-by: Geert Uytterhoeven Changed '//' comment to '/*' comment and applied to for-next, thanks! --4SFOXa2GPu3tIq4H Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIcBAEBAgAGBQJYTcnjAAoJEBQN5MwUoCm2UsgP/0U+x/DXYdIxTcDu+7RVYT4r xLwC0PbR1x7I2jRY4hvCtzhLooHmotciIra+ovZSpyjhzohsbyvNgCCplfh7QeQd W4IzkEYamOsvU/vYLWeUvkf6xrWVxwoKGMJ4BZmdk0u3SU49WNW0PHlUrEijXuip 01MUV0BRIrUn4HVdZD82hG96lPJasy60Bhw/yvYhyfja3HBK57XG/uVbE6VtIsqc Scm7dHAX0Dd4N6lmVZCQC9mnn+/+8hddl4eeGB9unPCUwDjY47FuvO106/nHqTa7 AbjWKkAr0SYQibvWDsNMMCxX0vsGZgaX+31LxekAgLTRqsUW6HPIItcMBaa4eVVL YnEnwZ1rZBWiGxyZwtz3/IM/9IXPFeXTrQ/ZUFJDcpnZ19Ktlo5dCodGN1EKXrYH Vl5kvHJ81dxpUov4PCrnuaopcRknZ/aZmLDFRs6wf0wVZ/mEDzhHXXMHeS0R/ksT soA8nS2KsxF8Pp1CiFgRjxKoR1tCJT3EDEe0Yeyl/PXyWtjviKHP8uv9pGu5J3GT lAfruM3nr/nTEhGPYbuFqXS//rBvNdIOK8lNpF6lkPYO2/IwjbvVYc0qDSD5rbKT 4iMqRG6xduvs8+h6lSVEsa8MrTyIek5eIcvHcrFj4zdWTGpGJEkeMw+SO5mCPf6F r8S19vZdRf8PetsvumUZ =GNQb -----END PGP SIGNATURE----- --4SFOXa2GPu3tIq4H--