From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tomi Valkeinen Subject: Re: [PATCH] ARM: OMAP5: DSS hwmod data Date: Mon, 17 Mar 2014 15:28:51 +0200 Message-ID: <5326F893.3080607@ti.com> References: <1394619996-3525-1-git-send-email-tomi.valkeinen@ti.com> <532037E0.1080309@ti.com> <53258DDA.50005@compulab.co.il> <532692A7.7000509@ti.com> <5326F71C.1060602@compulab.co.il> Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="===============6658681571632780294==" Return-path: In-Reply-To: <5326F71C.1060602@compulab.co.il> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=m.gmane.org@lists.infradead.org To: Dmitry Lifshitz Cc: Paul Walmsley , Tony Lindgren , Archit Taneja , =?ISO-8859-1?Q?Beno=EEt_Cousson?= , linux-omap@vger.kernel.org, linux-arm-kernel@lists.infradead.org List-Id: linux-omap@vger.kernel.org --===============6658681571632780294== Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="OvdUtE0xRS9VGSbO9RnJWmS897KrIPFvw" --OvdUtE0xRS9VGSbO9RnJWmS897KrIPFvw Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable On 17/03/14 15:22, Dmitry Lifshitz wrote: > Hi Tomi, >=20 > Thank you for the feedback. >=20 > We have OMAP5 based board with no ESD & Level Translator chip. > So, I made a quick hack in tpd12s015 driver to skip using un-relevant > GPIOs. If you don't have tpd12s015 on your board, don't modify it. Remove it from your board's dts file totally. > I've copied DSS DT structure from uEmv board *.dts. > However the HDMI output is not activate yet. >=20 > Here is some debug output: >=20 > root@cm-debian:~# dmesg | grep -i dss > [ 0.040554] omap_hwmod: dss_dispc: cannot be enabled for reset (3) > [ 0.043135] omap_hwmod: dss_dsi1: cannot be enabled for reset (3) > [ 0.045725] omap_hwmod: dss_dsi2: cannot be enabled for reset (3) > [ 0.048311] omap_hwmod: dss_hdmi: cannot be enabled for reset (3) > [ 0.050888] omap_hwmod: dss_rfbi: cannot be enabled for reset (3) > [ 0.325392] DSS: set fck to 192000000 > [ 0.325400] DSS: dss_runtime_get > [ 0.325427] DSS: dss_restore_context > [ 0.325445] OMAP DSS rev 6.1 > [ 0.325450] DSS: dss_runtime_put > [ 0.325456] DSS: dss_save_context > [ 0.325461] DSS: context saved > [ 0.325707] DSS: dss_restore_context > [ 0.325711] DSS: context restored > [ 0.325746] omapdss_dispc 58001000.dispc: OMAP DISPC rev 5.1 > [ 0.325838] DSS: dss_save_context > [ 0.325843] DSS: context saved >=20 >=20 > I do not use uEvm BSP u-Boot. I'm forking from this source: > git://git.denx.de/u-boot-ti.git >=20 > Perhaps I'm missing some clocks initialization? > What are the correct bootargs for activating HDMI video output? HDMI is the only output on the uevm, and if your board is similar, no boot args are needed. But, of course, you need omapfb or omapdrm to manage the display. Tomi --OvdUtE0xRS9VGSbO9RnJWmS897KrIPFvw Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.14 (GNU/Linux) Comment: Using GnuPG with Thunderbird - http://www.enigmail.net/ iQIcBAEBAgAGBQJTJviTAAoJEPo9qoy8lh71ZDgQAIaxZ38x1f5ZvRjowgBnPgna 6EyjLruxxiVeKbcmvjg4/1pnukOcZw76QgFW91F0MlP3huGjcJqIsEEv8xlGWIxw LGdlSsoP/MJ/6lApnIiFNGY5iWfSDq/vf1F3TanjiCVKgDqr3WdRfuOgo6QQ0BMn yWM2o3/iK7PRCig+RBD/phCKvc4QL+mDlW6c0q8fuGtadrHm6erfUE1SRLrjbUDY vI1WYY1zGIuitlcVpt+hS7SxdEqWpZ54e685gm9xXsqe/h3Hc8TcB4b1bgC/Trwg Jo4ENuikHpeml8GvrurjmZ1XbXCPZgw01890kpunoRReqCZ3sbyvWdNuvfcvYnA2 VkpQU7qXCgPQkRcEf7G7DB/4MDtCAxawWv/AzC7zr81KsjKVBpGUph5ZiZ3CTWjL F6ceb6hZtb98VSyH3YjKR9cjlxmib7a9iQzDwJSI67igIt31k7DvMh9UGwtQ5GEL ytN+ob2kHHPkvcYfIkcxlV1uYIslQyrzb42rXZpXo6SmtZOQc9cGDf8qzckW4vIw vWQC68JvSqdhZhrnYEEtCoHlI4HRjZtbVrycaBzPqzu2dElsZUqSssyomPWQiE+F O9VzOgafeGUaX3s7ouwcjHiMJSmUIZplB/po3cgPb75t/zRkWH0Gx7SJ9lWRzg3i NQamtetdCF8VjM2upewx =ivRn -----END PGP SIGNATURE----- --OvdUtE0xRS9VGSbO9RnJWmS897KrIPFvw-- --===============6658681571632780294== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel --===============6658681571632780294==-- From mboxrd@z Thu Jan 1 00:00:00 1970 From: tomi.valkeinen@ti.com (Tomi Valkeinen) Date: Mon, 17 Mar 2014 15:28:51 +0200 Subject: [PATCH] ARM: OMAP5: DSS hwmod data In-Reply-To: <5326F71C.1060602@compulab.co.il> References: <1394619996-3525-1-git-send-email-tomi.valkeinen@ti.com> <532037E0.1080309@ti.com> <53258DDA.50005@compulab.co.il> <532692A7.7000509@ti.com> <5326F71C.1060602@compulab.co.il> Message-ID: <5326F893.3080607@ti.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On 17/03/14 15:22, Dmitry Lifshitz wrote: > Hi Tomi, > > Thank you for the feedback. > > We have OMAP5 based board with no ESD & Level Translator chip. > So, I made a quick hack in tpd12s015 driver to skip using un-relevant > GPIOs. If you don't have tpd12s015 on your board, don't modify it. Remove it from your board's dts file totally. > I've copied DSS DT structure from uEmv board *.dts. > However the HDMI output is not activate yet. > > Here is some debug output: > > root at cm-debian:~# dmesg | grep -i dss > [ 0.040554] omap_hwmod: dss_dispc: cannot be enabled for reset (3) > [ 0.043135] omap_hwmod: dss_dsi1: cannot be enabled for reset (3) > [ 0.045725] omap_hwmod: dss_dsi2: cannot be enabled for reset (3) > [ 0.048311] omap_hwmod: dss_hdmi: cannot be enabled for reset (3) > [ 0.050888] omap_hwmod: dss_rfbi: cannot be enabled for reset (3) > [ 0.325392] DSS: set fck to 192000000 > [ 0.325400] DSS: dss_runtime_get > [ 0.325427] DSS: dss_restore_context > [ 0.325445] OMAP DSS rev 6.1 > [ 0.325450] DSS: dss_runtime_put > [ 0.325456] DSS: dss_save_context > [ 0.325461] DSS: context saved > [ 0.325707] DSS: dss_restore_context > [ 0.325711] DSS: context restored > [ 0.325746] omapdss_dispc 58001000.dispc: OMAP DISPC rev 5.1 > [ 0.325838] DSS: dss_save_context > [ 0.325843] DSS: context saved > > > I do not use uEvm BSP u-Boot. I'm forking from this source: > git://git.denx.de/u-boot-ti.git > > Perhaps I'm missing some clocks initialization? > What are the correct bootargs for activating HDMI video output? HDMI is the only output on the uevm, and if your board is similar, no boot args are needed. But, of course, you need omapfb or omapdrm to manage the display. Tomi -------------- next part -------------- A non-text attachment was scrubbed... Name: signature.asc Type: application/pgp-signature Size: 901 bytes Desc: OpenPGP digital signature URL: