Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755491AbaGVOsc (ORCPT ); Tue, 22 Jul 2014 10:48:32 -0400 Received: from comal.ext.ti.com ([198.47.26.152]:44176 "EHLO comal.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754903AbaGVOsa (ORCPT ); Tue, 22 Jul 2014 10:48:30 -0400 Date: Tue, 22 Jul 2014 09:47:43 -0500 From: Felipe Balbi To: Lothar =?iso-8859-1?Q?Wa=DFmann?= CC: , Greg Kroah-Hartman , , , Ezequiel Garcia , George Cherian , , Roger Quadros Subject: Re: [PATCH 8/9] usb: phy: am335x: call usb_gen_phy_init()/usb_gen_phy_shutdown() in am335x_init()/am335x_shutdown() Message-ID: <20140722144743.GB20588@saruman.home> Reply-To: References: <1405675890-8802-4-git-send-email-LW@KARO-electronics.de> <1405675890-8802-5-git-send-email-LW@KARO-electronics.de> <1405675890-8802-6-git-send-email-LW@KARO-electronics.de> <1405675890-8802-7-git-send-email-LW@KARO-electronics.de> <1405675890-8802-8-git-send-email-LW@KARO-electronics.de> <1405675890-8802-9-git-send-email-LW@KARO-electronics.de> <20140718135713.GH24914@saruman.home> <20140721100307.21172b65@ipc1.ka-ro> <20140721151043.GF6852@saruman.home> <20140722100613.779a3e11@ipc1.ka-ro> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="l76fUT7nc3MelDdI" Content-Disposition: inline In-Reply-To: <20140722100613.779a3e11@ipc1.ka-ro> User-Agent: Mutt/1.5.23 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --l76fUT7nc3MelDdI Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Tue, Jul 22, 2014 at 10:06:13AM +0200, Lothar Wa=DFmann wrote: > Hi, >=20 > Felipe Balbi wrote: > > Hi,, > >=20 > > On Mon, Jul 21, 2014 at 10:03:07AM +0200, Lothar Wa=DFmann wrote: > > > Hi, > > >=20 > > > > On Fri, Jul 18, 2014 at 11:31:29AM +0200, Lothar Wa=DFmann wrote: > > > > > This patch makes it possible to use the musb driver with HW that > > > > > requires external regulators or clocks. > > > >=20 > > > > can you provide an example of such HW ? Are you not using the inter= nal > > > > PHYs ? > > > >=20 > > > The Ka-Ro electronics TX48 module uses the mmc0_clk pin as VBUSEN > > > rathern than usb0_drvvbus. This patch makes it possible to use an > > > external regulator to handle the VBUS switch through the 'vcc-supply' > > > property of the underlying generic_phy device. > >=20 > > OK, I get it now. But why would not use usb0_drvvbus ? You could still > > route usb0_drvvbus to the regulator enable pin and the regulator would > > be enabled for you once correct values are written to the IP's mailbox. > >=20 > > I suppose this has something to do with layout constraints ? > >=20 > Yes. The usb0_drvvbus is used for a different purpose. alright, thanks for the info. I'll revisit this in a few days, quite busy right now and my tree is closed for v3.17 anyway. cheers --=20 balbi --l76fUT7nc3MelDdI Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Digital signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIcBAEBAgAGBQJTznmPAAoJEIaOsuA1yqRE2t0P/2mqdISbHWQllbdxLBZtbrsI pPQoKKJAeSrZVX3rXde5CSlHl/RDzJYO93gxFV57sa48mtxt6YPXowy3myHIiWGk DlGzvwIqk1vpZ4jEXQvihnRkxC3fHnCrwDuqTqqVS9/4gWWL5S01ex7+FSo3kJFN ZujmeLdf/nT+AiEobHKDr8mdNs7yhB8vM9Z7Wf0+NQLLqaR4w3Hz/UfnxSAnitHo Pp0RNEI4A8lx5F72sJV2SkHUbfmgzsW11wPq5QX/xhRS4Gl/++5/1BxKUYjzKC+J wwnOolwlKuE1SZcBvh93LAUdc2IxIfSd8JT2zpUeNq3LvA8MiHENxZGTtGCK36+5 Ck+EREGxXt26+zUXiL8ITVxaQhrEnCxeJS++dJcuyG7FUHSouOHso8wMZrqt6vZX KoVsBS+nxNE3rapltGbNZMdZWFRrfXVuKPc1uJMHw+qA+l0y88K/JZg7orUVK9Ya 1iZlv/CVmQOwfCxuwpF0jCvL7WtOf4y53E4XI+mHw3AvA8yxynpX9s4Rd/OjxHGG H5qHcN2/8INaJOwWgt4MBwdtFpsirH6x+9SlvoTacomJ8Ei403Z0kqM9GOvXIx3P sknwMdb/Ws1IrKp+xSiLnVzGQbD0+slpXg4vIVMrA8qEMFa51hOICWngaW5b0xzh Z8L64NScR/M9C+hgqxBX =WzjG -----END PGP SIGNATURE----- --l76fUT7nc3MelDdI-- -- 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/