From patchwork Thu Mar 19 01:19:21 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Peter Chen X-Patchwork-Id: 451695 Return-Path: X-Original-To: incoming-dt@patchwork.ozlabs.org Delivered-To: patchwork-incoming-dt@bilbo.ozlabs.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 2B1E51400D5 for ; Thu, 19 Mar 2015 12:20:57 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755739AbbCSBU4 (ORCPT ); Wed, 18 Mar 2015 21:20:56 -0400 Received: from mail-by2on0114.outbound.protection.outlook.com ([207.46.100.114]:13952 "EHLO na01-by2-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1755691AbbCSBUz (ORCPT ); Wed, 18 Mar 2015 21:20:55 -0400 Received: from CO2PR03CA0026.namprd03.prod.outlook.com (10.141.194.153) by BN3PR0301MB0849.namprd03.prod.outlook.com (25.160.154.147) with Microsoft SMTP Server (TLS) id 15.1.112.19; Thu, 19 Mar 2015 01:20:52 +0000 Received: from BN1BFFO11FD025.protection.gbl (2a01:111:f400:7c10::1:167) by CO2PR03CA0026.outlook.office365.com (2a01:111:e400:1414::25) with Microsoft SMTP Server (TLS) id 15.1.112.19 via Frontend Transport; Thu, 19 Mar 2015 01:20:52 +0000 Received: from tx30smr01.am.freescale.net (192.88.168.50) by BN1BFFO11FD025.mail.protection.outlook.com (10.58.144.88) with Microsoft SMTP Server (TLS) id 15.1.125.13 via Frontend Transport; Thu, 19 Mar 2015 01:20:51 +0000 Received: from shlinux2.ap.freescale.net (shlinux2.ap.freescale.net [10.192.224.44]) by tx30smr01.am.freescale.net (8.14.3/8.14.0) with ESMTP id t2J1KGfk031896; Wed, 18 Mar 2015 18:20:48 -0700 From: Peter Chen To: , CC: , , , , , , Peter Chen Subject: [PATCH 10/12] Doc: usb: ci-hdrc-imx: add tx(rx)-burst-config-dword for binding doc Date: Thu, 19 Mar 2015 09:19:21 +0800 Message-ID: <1426727963-32280-11-git-send-email-peter.chen@freescale.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1426727963-32280-1-git-send-email-peter.chen@freescale.com> References: <1426727963-32280-1-git-send-email-peter.chen@freescale.com> X-EOPAttributedMessage: 0 Received-SPF: Fail (protection.outlook.com: domain of freescale.com does not designate 192.88.168.50 as permitted sender) receiver=protection.outlook.com; client-ip=192.88.168.50; helo=tx30smr01.am.freescale.net; Authentication-Results: spf=fail (sender IP is 192.88.168.50) smtp.mailfrom=peter.chen@freescale.com; freescale.mail.onmicrosoft.com; dkim=none (message not signed) header.d=none; X-Forefront-Antispam-Report: CIP:192.88.168.50; CTRY:US; IPV:NLI; EFV:NLI; BMV:1; SFV:NSPM; SFS:(10019020)(6009001)(339900001)(189002)(199003)(230783001)(2950100001)(85426001)(50986999)(106466001)(77096005)(77156002)(62966003)(86362001)(92566002)(50466002)(48376002)(36756003)(87936001)(6806004)(19580405001)(19580395003)(229853001)(33646002)(104016003)(46102003)(105606002)(47776003)(50226001); DIR:OUT; SFP:1102; SCL:1; SRVR:BN3PR0301MB0849; H:tx30smr01.am.freescale.net; FPR:; SPF:Fail; MLV:sfv; MX:1; A:1; LANG:en; MIME-Version: 1.0 X-Microsoft-Antispam: UriScan:;BCL:0;PCL:0;RULEID:;SRVR:BN3PR0301MB0849; X-Microsoft-Antispam-PRVS: X-Exchange-Antispam-Report-Test: UriScan:; X-Exchange-Antispam-Report-CFA-Test: BCL:0; PCL:0; RULEID:(601004)(5005006)(5002010); SRVR:BN3PR0301MB0849; BCL:0; PCL:0; RULEID:; SRVR:BN3PR0301MB0849; X-Forefront-PRVS: 052017CAF1 X-OriginatorOrg: freescale.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 19 Mar 2015 01:20:51.8988 (UTC) X-MS-Exchange-CrossTenant-Id: 710a03f5-10f6-4d38-9ff4-a80b81da590d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=710a03f5-10f6-4d38-9ff4-a80b81da590d; Ip=[192.88.168.50]; Helo=[tx30smr01.am.freescale.net] X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: BN3PR0301MB0849 Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org It is used to override the default setting for burst size, changing burst size takes effect only when the SBUSCFG.AHBBRST = 0. Signed-off-by: Peter Chen --- Documentation/devicetree/bindings/usb/ci-hdrc-imx.txt | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/Documentation/devicetree/bindings/usb/ci-hdrc-imx.txt b/Documentation/devicetree/bindings/usb/ci-hdrc-imx.txt index a548502..892bac8 100644 --- a/Documentation/devicetree/bindings/usb/ci-hdrc-imx.txt +++ b/Documentation/devicetree/bindings/usb/ci-hdrc-imx.txt @@ -24,6 +24,10 @@ Optional properties: should be aligned with ITC bits at register USBCMD. - ahb-burst-config: it is vendor dependent, the required value should be aligned with AHBBRST at SBUSCFG, the range is from 0x0 to 0x7. +- tx-burst-size-dword: it is vendor dependent, the tx burst size in dword + (4 bytes) +- rx-burst-size-dword: it is vendor dependent, the rx burst size in dword + (4 bytes) Examples: usb@02184000 { /* USB OTG */ @@ -38,4 +42,6 @@ usb@02184000 { /* USB OTG */ tpl-support; gadget-itc-setting = <0x4>; /* 4 micro-frames */ ahb-burst-config = <0x0>; /* Incremental burst of unspecified length */ + tx-burst-size-dword = <0x10>; + rx-burst-size-dword = <0x10>; };