From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751506AbeDEOmq (ORCPT ); Thu, 5 Apr 2018 10:42:46 -0400 Received: from mail-out.m-online.net ([212.18.0.10]:48186 "EHLO mail-out.m-online.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751249AbeDEOmo (ORCPT ); Thu, 5 Apr 2018 10:42:44 -0400 X-Auth-Info: CiOP02em4dAjvEbPqs7urniMFAlUrSDsIV11FK7+Oow= Date: Thu, 5 Apr 2018 16:42:32 +0200 From: Lukasz Majewski To: Fabio Estevam Cc: linux-kernel , Mark Rutland , "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" , Russell King , Rob Herring , Sascha Hauer , Fabio Estevam , Shawn Guo , "moderated list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE" Subject: Re: [PATCH v3] ARM: dts: tpc: Device tree description of the iMX6Q TPC board Message-ID: <20180405164134.5ae71ea9@jawa> In-Reply-To: References: <20180405070939.22245-1-lukma@denx.de> Organization: denx.de X-Mailer: Claws Mail 3.16.0 (GTK+ 2.24.31; x86_64-pc-linux-gnu) MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; boundary="Sig_/TIacNO7LMssG4Z_oN2llEqO"; protocol="application/pgp-signature" Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --Sig_/TIacNO7LMssG4Z_oN2llEqO Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: quoted-printable Hi Fabio, > Hi Lukasz, >=20 > On Thu, Apr 5, 2018 at 4:09 AM, Lukasz Majewski wrote: >=20 > > + reg_audio: regulator-audio { > > + compatible =3D "regulator-fixed"; > > + regulator-name =3D "sgtl5000-supply"; > > + gpio =3D <&gpio6 31 GPIO_ACTIVE_HIGH>; > > + enable-active-high; > > + regulator-always-on; > > + }; =20 >=20 > sgtl5000 has 3 supplies: VDDD, VDDIO, VDDA. >=20 > Which supply does this reg_audio supply to the chip? It supplies none of the above. This regulator is needed to enable amplifier output placed after sgtl5000 device. >=20 > Can't you use any of the existing sgtl5000 regulator bindings to > describe this supply? As stated before - this supply enables the output of the amplifier. Best regards, Lukasz Majewski -- DENX Software Engineering GmbH, Managing Director: Wolfgang Denk HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: wd@denx.de --Sig_/TIacNO7LMssG4Z_oN2llEqO Content-Type: application/pgp-signature Content-Description: OpenPGP digital signature -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEgAyFJ+N6uu6+XupJAR8vZIA0zr0FAlrGNdgACgkQAR8vZIA0 zr0w/wgAsJt1lPSubFuoGe0c3+6cE/5LozTI/GFYzrspSaGsCIoh1phNWb2a89PN 5yYEJztErGuCtE742GPvL0167PHlYPd7As0VlofqPPI4Aro8z6qU5Dp98AxsPkQb 7O7+zhPCBuFL8q8bl/p66iqQl8O+SJm2p6apOnqBkMlMXqwq82CkwBMGLh8AUoUa bXIhNBW0SHwAh18/Ggr+y6taXn1t6PV7aX0Mhvbshpkm99wsQFo3EDZH6tK2mAf/ JInxb4BJz+gaSUS304Um7G6Sk/qIaQ6IwsxZFd6rNUUYspbtalMsQdFJkHw6N3Go +ohaMdTj+IydZ2TjtkwwHQG5LZnWFw== =96D9 -----END PGP SIGNATURE----- --Sig_/TIacNO7LMssG4Z_oN2llEqO-- From mboxrd@z Thu Jan 1 00:00:00 1970 From: lukma@denx.de (Lukasz Majewski) Date: Thu, 5 Apr 2018 16:42:32 +0200 Subject: [PATCH v3] ARM: dts: tpc: Device tree description of the iMX6Q TPC board In-Reply-To: References: <20180405070939.22245-1-lukma@denx.de> Message-ID: <20180405164134.5ae71ea9@jawa> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Hi Fabio, > Hi Lukasz, > > On Thu, Apr 5, 2018 at 4:09 AM, Lukasz Majewski wrote: > > > + reg_audio: regulator-audio { > > + compatible = "regulator-fixed"; > > + regulator-name = "sgtl5000-supply"; > > + gpio = <&gpio6 31 GPIO_ACTIVE_HIGH>; > > + enable-active-high; > > + regulator-always-on; > > + }; > > sgtl5000 has 3 supplies: VDDD, VDDIO, VDDA. > > Which supply does this reg_audio supply to the chip? It supplies none of the above. This regulator is needed to enable amplifier output placed after sgtl5000 device. > > Can't you use any of the existing sgtl5000 regulator bindings to > describe this supply? As stated before - this supply enables the output of the amplifier. Best regards, Lukasz Majewski -- DENX Software Engineering GmbH, Managing Director: Wolfgang Denk HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: wd at denx.de -------------- next part -------------- A non-text attachment was scrubbed... Name: not available Type: application/pgp-signature Size: 488 bytes Desc: OpenPGP digital signature URL: