From mboxrd@z Thu Jan 1 00:00:00 1970 From: Peter Chen Subject: RE: Bug: shared usb dt document is incorrect Date: Wed, 29 Jul 2015 03:12:24 +0000 Message-ID: References: <55B82716.1060008@sonymobile.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mail-by2on0115.outbound.protection.outlook.com ([207.46.100.115]:14336 "EHLO na01-by2-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1750803AbbG2DM1 (ORCPT ); Tue, 28 Jul 2015 23:12:27 -0400 In-Reply-To: Content-Language: en-US Sender: linux-arm-msm-owner@vger.kernel.org List-Id: linux-arm-msm@vger.kernel.org To: Rob Herring , Tim Bird Cc: =?utf-8?B?QW50b2luZSBUw6luYXJ0?= , "linux-arm-msm@vger.kernel.org" , "linux-kernel@vger.kernel.org" , Linux USB List , Greg Kroah-Hartman , Bjorn Andersson IA0KPiA+IEkgd2FzIGp1c3QgZG9pbmcgc29tZSB0ZXN0aW5nIHdpdGggVVNCIG9uIGEgUXVhbGNv bW0gU29DLg0KPiA+DQo+ID4gSSBmb2xsb3dlZCB0aGUgaW5zdHJ1Y3Rpb25zIGluIHRoZSBiaW5k aW5nIGRvY3VtZW50Og0KPiA+IERvY3VtZW50YXRpb24vZGV2aWNldHJlZS9iaW5kaW5ncy91c2Iv Y2ktaGRyYy11c2IyLnR4dA0KPiA+DQo+ID4gd2hpY2ggaGFzIGEgY29tcGF0aWJsZSBmb3IgInFj b20sY2ktaGRyYyIsIGFuZCBpcywgaW4gZ2VuZXJhbCwgZm9yDQo+ID4gY2hpcGlkZWEtYmFzZWQg VVNCIGNvbnRyb2xsZXJzLg0KPiA+DQo+ID4gSXQgc2F5cyBpbiB0aGUgZG9jdW1lbnQgdGhhdCB0 aGUgcHJvcGVydHkgdXNiLXBoeSBpcyBkZXByZWNhdGVkLCBhbmQNCj4gPiB0byB1c2UgcGh5cyBh bmQgcGh5LW5hbWVzIGluc3RlYWQuICBIb3dldmVyLCB0aGUgUXVhbGNvbW0gZHJpdmVyIGZvcg0K PiA+IHRoaXMgc3RpbGwgdXNlcyB1c2ItcGh5LiAgVGhhdCBkcml2ZXIgaXMgaW46DQo+ID4gZHJp dmVycy91c2IvY2hpcGlkZWEvY2lfaGRyY19tc20uYw0KPiANCj4gRGVwcmVjYXRlZCBtZWFucyBp dCBzdGlsbCBleGlzdHMgaW4gdGhlIHdpbGQgYW5kIHNob3VsZCBiZSBtYWludGFpbmVkLCBidXQg ZG9uJ3QNCj4gdXNlIGl0IGZvciBuZXcgZHRzIGZpbGVzLg0KPiANCg0KQnV0IGhvdyB0aGUgbmV3 IFNvQyAoZm9yIG5ldyBkdHMpIHdoaWNoIHN0aWxsIHVzZXMgY3VycmVudCBVU0IgUEhZIGRyaXZl cj8NCg0KTWF5YmUgd2Ugc2hvdWxkIG5vdCBhZGQgYWRkaXRpb25hbCBkZXNjcmlwdGlvbiBmb3Ig dGhpcyBwcm9wZXJ0eSwNCml0IGRlcGVuZHMgb24gd2hpY2ggUEhZIGRyaXZlciAoR2VuZXJpYyBQ SFkgdnMgVVNCIFBIWSkgIHRoaXMgY29udHJvbGxlcg0Kd2lsbCB1c2UsIGlmIGl0IHVzZXMgYSBu ZXcgUEhZIGRyaXZlciwgaXQgbXVzdCB1c2UgZ2VuZXJpYyBQSFkgZnJhbWV3b3JrLCAgYW5kIHdp bGwNCnVzZSAncGh5JyBhbmQgJ3BoeS1uYW1lcycgY29ycmVzcG9uZGluZy4NCg0KUGV0ZXINCg0K From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752552AbbG2DM3 (ORCPT ); Tue, 28 Jul 2015 23:12:29 -0400 Received: from mail-by2on0115.outbound.protection.outlook.com ([207.46.100.115]:14336 "EHLO na01-by2-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1750803AbbG2DM1 (ORCPT ); Tue, 28 Jul 2015 23:12:27 -0400 X-Greylist: delayed 5726 seconds by postgrey-1.27 at vger.kernel.org; Tue, 28 Jul 2015 23:12:26 EDT From: Peter Chen To: Rob Herring , Tim Bird CC: =?utf-8?B?QW50b2luZSBUw6luYXJ0?= , "linux-arm-msm@vger.kernel.org" , "linux-kernel@vger.kernel.org" , Linux USB List , Greg Kroah-Hartman , Bjorn Andersson Subject: RE: Bug: shared usb dt document is incorrect Thread-Topic: Bug: shared usb dt document is incorrect Thread-Index: AQHQyZrWat4BiKqy1k6AXiramHDjBJ3xwHaAgAABeYA= Date: Wed, 29 Jul 2015 03:12:24 +0000 Message-ID: References: <55B82716.1060008@sonymobile.com> In-Reply-To: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: authentication-results: gmail.com; dkim=none (message not signed) header.d=none; 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Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 X-OriginatorOrg: freescale.com X-MS-Exchange-CrossTenant-originalarrivaltime: 29 Jul 2015 03:12:24.8608 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 710a03f5-10f6-4d38-9ff4-a80b81da590d X-MS-Exchange-Transport-CrossTenantHeadersStamped: BN3PR0301MB0851 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Transfer-Encoding: 8bit X-MIME-Autoconverted: from base64 to 8bit by mail.home.local id t6T3CWBo022447 > > I was just doing some testing with USB on a Qualcomm SoC. > > > > I followed the instructions in the binding document: > > Documentation/devicetree/bindings/usb/ci-hdrc-usb2.txt > > > > which has a compatible for "qcom,ci-hdrc", and is, in general, for > > chipidea-based USB controllers. > > > > It says in the document that the property usb-phy is deprecated, and > > to use phys and phy-names instead. However, the Qualcomm driver for > > this still uses usb-phy. That driver is in: > > drivers/usb/chipidea/ci_hdrc_msm.c > > Deprecated means it still exists in the wild and should be maintained, but don't > use it for new dts files. > But how the new SoC (for new dts) which still uses current USB PHY driver? Maybe we should not add additional description for this property, it depends on which PHY driver (Generic PHY vs USB PHY) this controller will use, if it uses a new PHY driver, it must use generic PHY framework, and will use 'phy' and 'phy-names' corresponding. Peter {.n++%ݶw{.n+{G{ayʇڙ,jfhz_(階ݢj"mG?&~iOzv^m ?I