From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751600AbcEIIfK (ORCPT ); Mon, 9 May 2016 04:35:10 -0400 Received: from devils.ext.ti.com ([198.47.26.153]:44024 "EHLO devils.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751159AbcEIIfI (ORCPT ); Mon, 9 May 2016 04:35:08 -0400 Subject: Re: [PATCH] ARM: dts: omap5-igep0050: Correct hdmi regulator To: Peter Ujfalusi , Tony Lindgren , Nishanth Menon References: <1461925297-9734-1-git-send-email-peter.ujfalusi@ti.com> <6ee9d67a-e907-715a-f3f5-d90a470314c3@ti.com> <20160504172634.GS5995@atomide.com> <572A38FD.9050801@ti.com> <20160505184609.GB5995@atomide.com> CC: , , , , Enric Balletbo i Serra , =?UTF-8?Q?Agust=c3=ad_Fontquerni?= , Eduard Gavin From: Tomi Valkeinen Message-ID: <57304B9E.50201@ti.com> Date: Mon, 9 May 2016 11:34:38 +0300 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.7.2 MIME-Version: 1.0 In-Reply-To: Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="TW65cEVHpwqomBoVaBrJow58ljupqTp5V" Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --TW65cEVHpwqomBoVaBrJow58ljupqTp5V Content-Type: multipart/mixed; boundary="1OHtDBFS51bdo30A8xKbMUoR984bOu26J" From: Tomi Valkeinen To: Peter Ujfalusi , Tony Lindgren , Nishanth Menon Cc: linux-omap@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Enric Balletbo i Serra , =?UTF-8?Q?Agust=c3=ad_Fontquerni?= , Eduard Gavin Message-ID: <57304B9E.50201@ti.com> Subject: Re: [PATCH] ARM: dts: omap5-igep0050: Correct hdmi regulator References: <1461925297-9734-1-git-send-email-peter.ujfalusi@ti.com> <6ee9d67a-e907-715a-f3f5-d90a470314c3@ti.com> <20160504172634.GS5995@atomide.com> <572A38FD.9050801@ti.com> <20160505184609.GB5995@atomide.com> In-Reply-To: --1OHtDBFS51bdo30A8xKbMUoR984bOu26J Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable On 09/05/16 11:25, Peter Ujfalusi wrote: > Tomi: what do you think? >=20 > According to the OMAP5 data manual the vdda_hdmi can be in 1.5V or 1.8V= mode, > 2V is not mentioned in the recommended operating conditions table. I thought vdda_hdmi should always be 1.8V, but you're right, on omap5 1.5V is allowed according to DM. On later SoCs it's only 1.8V. I suggest we use 1.8V on all boards, as that's what's known to work. 2V is definitely wrong. Tomi --1OHtDBFS51bdo30A8xKbMUoR984bOu26J-- --TW65cEVHpwqomBoVaBrJow58ljupqTp5V Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iQIcBAEBCAAGBQJXMEueAAoJEPo9qoy8lh71rPcP/i5UGj0rRYIVd9cyTQxmKm+m 0W0yJmPl3332DfCc9M8GXI2RVQCCLjgqLSeWR4+okPyUjGSJgDwSWYXc2yCWK2/6 j4TPFWnvgZHO+FsnIbw1Skj7c/Y526JHGXb/EUPTgeHZF7ngeJo9z8U8fAnkQXar jeQVDV11LLMD09IOVb/BzyQiipHYKifPaDmAP3zJ99lemXMZjZGJ4n28fS1T8oCZ nMY2utWKhXjgdzB2bO88TYsyMhC5LQvDS4Q/stlMLr+9L75BTchj8vsigj8eMpKr /qExsIFdKY/l8WAv5MTvfffU0KsXEznG3sdINpveaSlUqdXxLUOk8hsZ2Evx+GLB VwM259PTb4ORIaG8beMdKZ9NIIWwwsCZiPYr/2tbnzWIL8eYDXtiAJr+D+b9TDaC pJg2a+KMnIZFV+x5hqpYi06V+ueThOxTYb3uHjtgNHTcpdktH4DDv/Owsn3v5o4L Cik8Vbau0HcefMuvsDXMjImZtjhihGYi26MuoV8UlpM2g4pbkEOG33/y42keoRjP QJomE5EEiO4BS8gHbhaBs1gOvrtUteCLBrhoVmwUpS9dfunMHT8f4pHCykVMKbed hD20IeOormkRT3lI+Ug1hUwcEbDlzhtbmuhc8/PwGetosd9kJS5yYbgFXQpGGy3B vKo6HiMCYamqmb+QK6Nv =b75O -----END PGP SIGNATURE----- --TW65cEVHpwqomBoVaBrJow58ljupqTp5V-- From mboxrd@z Thu Jan 1 00:00:00 1970 From: tomi.valkeinen@ti.com (Tomi Valkeinen) Date: Mon, 9 May 2016 11:34:38 +0300 Subject: [PATCH] ARM: dts: omap5-igep0050: Correct hdmi regulator In-Reply-To: References: <1461925297-9734-1-git-send-email-peter.ujfalusi@ti.com> <6ee9d67a-e907-715a-f3f5-d90a470314c3@ti.com> <20160504172634.GS5995@atomide.com> <572A38FD.9050801@ti.com> <20160505184609.GB5995@atomide.com> Message-ID: <57304B9E.50201@ti.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On 09/05/16 11:25, Peter Ujfalusi wrote: > Tomi: what do you think? > > According to the OMAP5 data manual the vdda_hdmi can be in 1.5V or 1.8V mode, > 2V is not mentioned in the recommended operating conditions table. I thought vdda_hdmi should always be 1.8V, but you're right, on omap5 1.5V is allowed according to DM. On later SoCs it's only 1.8V. I suggest we use 1.8V on all boards, as that's what's known to work. 2V is definitely wrong. Tomi -------------- next part -------------- A non-text attachment was scrubbed... Name: signature.asc Type: application/pgp-signature Size: 819 bytes Desc: OpenPGP digital signature URL: