From patchwork Mon Oct 1 10:25:07 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kishon Vijay Abraham I X-Patchwork-Id: 1530601 Return-Path: X-Original-To: patchwork-linux-omap@patchwork.kernel.org Delivered-To: patchwork-process-083081@patchwork1.kernel.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by patchwork1.kernel.org (Postfix) with ESMTP id 7B2883FCFC for ; Mon, 1 Oct 2012 10:26:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753290Ab2JAKZf (ORCPT ); Mon, 1 Oct 2012 06:25:35 -0400 Received: from arroyo.ext.ti.com ([192.94.94.40]:35802 "EHLO arroyo.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753166Ab2JAKZb (ORCPT ); Mon, 1 Oct 2012 06:25:31 -0400 Received: from dbdp20.itg.ti.com ([172.24.170.38]) by arroyo.ext.ti.com (8.13.7/8.13.7) with ESMTP id q91APNCx013985; Mon, 1 Oct 2012 05:25:24 -0500 Received: from DBDE71.ent.ti.com (localhost [127.0.0.1]) by dbdp20.itg.ti.com (8.13.8/8.13.8) with ESMTP id q91APG2T020147; Mon, 1 Oct 2012 15:55:21 +0530 (IST) Received: from dbdp33.itg.ti.com (172.24.170.252) by DBDE71.ent.ti.com (172.24.170.149) with Microsoft SMTP Server id 14.1.323.3; Mon, 1 Oct 2012 15:55:17 +0530 Received: from a0393678lt.apr.dhcp.ti.com (smtpvbd.itg.ti.com [172.24.170.250]) by dbdp33.itg.ti.com (8.13.8/8.13.8) with ESMTP id q91APAgp018963; Mon, 1 Oct 2012 15:55:16 +0530 From: Kishon Vijay Abraham I To: , , , , , , , , , , Subject: [PATCH v2 7/7] usb: dwc3: core: add dt support for dwc3 core Date: Mon, 1 Oct 2012 15:55:07 +0530 Message-ID: <1349087107-18229-8-git-send-email-kishon@ti.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1349087107-18229-1-git-send-email-kishon@ti.com> References: <1349087107-18229-1-git-send-email-kishon@ti.com> MIME-Version: 1.0 Sender: linux-omap-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-omap@vger.kernel.org Added dwc3 support for dwc3 core and update the documentation with device tree binding information. Signed-off-by: Kishon Vijay Abraham I --- Documentation/devicetree/bindings/usb/dwc3.txt | 23 +++++++++++++++++++++++ drivers/usb/dwc3/core.c | 14 ++++++++++++-- 2 files changed, 35 insertions(+), 2 deletions(-) create mode 100644 Documentation/devicetree/bindings/usb/dwc3.txt diff --git a/Documentation/devicetree/bindings/usb/dwc3.txt b/Documentation/devicetree/bindings/usb/dwc3.txt new file mode 100644 index 0000000..9ec9316 --- /dev/null +++ b/Documentation/devicetree/bindings/usb/dwc3.txt @@ -0,0 +1,23 @@ +synopsys DWC3 CORE + +DWC3- USB3 CONTROLLER + +Required properties: + - compatible: must be "synopsys,dwc3" + - reg : Address and length of the register set for the device + - interrupts: Interrupts used by the dwc3 controller. + - interrupt-parent: the phandle for the interrupt controller that + services interrupts for this device. + +Optional properties: + - tx-fifo-resize: determines if the FIFO *has* to be reallocated. + +This is usually a subnode to DWC3 glue to which it is connected. + +dwc3@4a030000 { + compatible = "synopsys,dwc3"; + reg = <0x4a030000 0xcfff>; + interrupts = <0 92 4> + interrupt-parent = <&gic> + tx-fifo-resize; +}; diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c index 08a5738..4335a17 100644 --- a/drivers/usb/dwc3/core.c +++ b/drivers/usb/dwc3/core.c @@ -484,8 +484,7 @@ static int __devinit dwc3_probe(struct platform_device *pdev) else dwc->maximum_speed = DWC3_DCFG_SUPERSPEED; - if (of_get_property(node, "tx-fifo-resize", NULL)) - dwc->needs_fifo_resize = true; + dwc->needs_fifo_resize = of_property_read_bool(node, "tx-fifo-resize"); pm_runtime_enable(dev); pm_runtime_get_sync(dev); @@ -602,11 +601,22 @@ static int __devexit dwc3_remove(struct platform_device *pdev) return 0; } +#ifdef CONFIG_OF +static const struct of_device_id of_dwc3_match[] = { + { + .compatible = "synopsys,dwc3" + }, + { }, +}; +MODULE_DEVICE_TABLE(of, of_dwc3_match); +#endif + static struct platform_driver dwc3_driver = { .probe = dwc3_probe, .remove = __devexit_p(dwc3_remove), .driver = { .name = "dwc3", + .of_match_table = of_match_ptr(of_dwc3_match), }, };