Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754780Ab3JIS3n (ORCPT ); Wed, 9 Oct 2013 14:29:43 -0400 Received: from cassiel.sirena.org.uk ([80.68.93.111]:49266 "EHLO cassiel.sirena.org.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752470Ab3JIS3l (ORCPT ); Wed, 9 Oct 2013 14:29:41 -0400 Date: Wed, 9 Oct 2013 19:29:05 +0100 From: Mark Brown To: Inki Dae Cc: Olof Johansson , Sean Paul , "devicetree@vger.kernel.org" , "linux-samsung-soc@vger.kernel.org" , "linux-doc@vger.kernel.org" , "linux-kernel@vger.kernel.org" , DRI mailing list , "linux-arm-kernel@lists.infradead.org" Message-ID: <20131009182905.GY21581@sirena.org.uk> References: <1380670860-17621-1-git-send-email-seanpaul@chromium.org> <1380670860-17621-4-git-send-email-seanpaul@chromium.org> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="RJZzeD23Ed8sO2FB" Content-Disposition: inline In-Reply-To: X-Cookie: Penalty for private use. User-Agent: Mutt/1.5.21 (2010-09-15) X-SA-Exim-Connect-IP: 94.175.92.69 X-SA-Exim-Mail-From: broonie@sirena.org.uk Subject: Re: [PATCH 3/5] drm/bridge: Add PTN3460 bridge driver X-SA-Exim-Version: 4.2.1 (built Mon, 26 Dec 2011 16:57:07 +0000) X-SA-Exim-Scanned: Yes (on cassiel.sirena.org.uk) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1968 Lines: 48 --RJZzeD23Ed8sO2FB Content-Type: text/plain; charset=us-ascii Content-Disposition: inline On Fri, Oct 04, 2013 at 11:05:48AM +0900, Inki Dae wrote: > 2013/10/4 Olof Johansson : > > "If PD_N is LOW, then the device is in Deep power-down completely, > > even if supply rail is ON; for the device to be able to operate, the > > PD_N pin must be HIGH." > I still think the pin could be replaced with a regulator. But > lvds-bridge node has "powerdown-gpio" property - it say this board > will use gpio pin - specific to board. So it seems no problem. No, don't model things that aren't regulators as regulators - it's just confusing from a usability standpoint and causes breakage when the pins don't behave like regulators. --RJZzeD23Ed8sO2FB Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Digital signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.22 (GNU/Linux) iQIcBAEBAgAGBQJSVaBuAAoJELSic+t+oim9t9YP/2zdxi1e2TqVNIcxbbSYUvWy LySnpmymlG/Sh3k86KJwkDd+2X7kq8xm8T2hfx6SgKPw/hNFBfMvJc5rh7r0Z9d0 Jb+kpEVEDNaLpZBHN9HN6yejQ3aMoy1NEIgkGlqmGNUG8NQmNq0nDBCmTysGpoA0 xes+miLMs5WXRK/kpA2r/J9FnOEhlNxM5i8budaqcbJAeLRTo3ePqavTW9AGPXWH TLruZFFu71/UgLMDRYny42lOCdcagNZJn6/gDNEvreIaObDSZJ7kxHO41/F/to45 gEskdwyzgfZ25M+I7pMuFlIzaBWsGtjQlSc7PVJcplCVd7KOTvtfsN+FeOzhHVHr s5oVn6q+kO97Hg1Al1B49wRtQFban0K42ZD717iV4nUEnMmeVlqdSz5AvjSvUK5g Pc52RRManESWdaSB+R3/1ZctPQZxGZMy+fCjl51+3dfJnfsWUhxE4YJBkp4hNz9v ooEVBPASa8VdD/KqObGyQzP74SpPuKHRfNRbSVf84I0TY0oERn/rS/xxJo2uhqWv 8dhkS3RzfJqxVtEHSLQxbgRgKcN2vfGTb6X/VVyikA6vyfR0luvUYbu/qK3g/9ux JRS6HeZtkZLBN4FT08Mj46zPJMrqFSHfalXI8jY+oxPJwbLx5WifbvhlakjvjMKP jtx5H7T/C1tB5SGc9y3f =GFIi -----END PGP SIGNATURE----- --RJZzeD23Ed8sO2FB-- -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/