From patchwork Wed Dec 5 15:19:31 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Roger Quadros X-Patchwork-Id: 10714397 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id ECA0B1057 for ; Wed, 5 Dec 2018 15:19:58 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id DCFBF2CA62 for ; Wed, 5 Dec 2018 15:19:58 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id D11942D30C; Wed, 5 Dec 2018 15:19:58 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-8.0 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 6EC3E2D2FF for ; Wed, 5 Dec 2018 15:19:58 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728102AbeLEPTt (ORCPT ); Wed, 5 Dec 2018 10:19:49 -0500 Received: from fllv0015.ext.ti.com ([198.47.19.141]:54308 "EHLO fllv0015.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727094AbeLEPTs (ORCPT ); Wed, 5 Dec 2018 10:19:48 -0500 Received: from fllv0034.itg.ti.com ([10.64.40.246]) by fllv0015.ext.ti.com (8.15.2/8.15.2) with ESMTP id wB5FJj1R013242; Wed, 5 Dec 2018 09:19:45 -0600 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1544023185; bh=z1nWhNHQgfUtwFJxgzO+epxyHRSr7YEr+iRwu0V9p9I=; h=From:To:CC:Subject:Date:In-Reply-To:References; b=Rixo+vtxBvU6EelT0P2GCNKE87V9vEQx5Fa/iogc7csv8KEr7MjCvnm5tgkDARygM hb8/j8htesfuJORGWcbeZmXupWNBGX6v1BopFv/9bxrysDVMWcdbwCizFOHmNvzdk6 Uw7LXiIrw4/PpBY/zDIQJoRC3e5KtrNe83xPsaj8= Received: from DFLE111.ent.ti.com (dfle111.ent.ti.com [10.64.6.32]) by fllv0034.itg.ti.com (8.15.2/8.15.2) with ESMTPS id wB5FJjFJ101314 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=FAIL); Wed, 5 Dec 2018 09:19:45 -0600 Received: from DFLE102.ent.ti.com (10.64.6.23) by DFLE111.ent.ti.com (10.64.6.32) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1591.10; Wed, 5 Dec 2018 09:19:44 -0600 Received: from dflp33.itg.ti.com (10.64.6.16) by DFLE102.ent.ti.com (10.64.6.23) with Microsoft SMTP Server (version=TLS1_0, cipher=TLS_RSA_WITH_AES_256_CBC_SHA) id 15.1.1591.10 via Frontend Transport; Wed, 5 Dec 2018 09:19:44 -0600 Received: from dlelxv97.itg.ti.com (dlelxv97.itg.ti.com [172.17.2.193]) by dflp33.itg.ti.com (8.14.3/8.13.8) with ESMTP id wB5FJhSw020000; Wed, 5 Dec 2018 09:19:43 -0600 Received: from localhost.localdomain (vboxa0400828d.dhcp.ti.com [172.22.237.247]) by dlelxv97.itg.ti.com (8.14.3/8.13.8) with ESMTP id wB5FJWnc025493; Wed, 5 Dec 2018 09:19:41 -0600 From: Roger Quadros To: CC: , , , , , , , , , Subject: [PATCH 3/3] usb: dwc3: keystone: Add support for ti,am654-dwc3 Date: Wed, 5 Dec 2018 17:19:31 +0200 Message-ID: <1544023171-5796-4-git-send-email-rogerq@ti.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1544023171-5796-1-git-send-email-rogerq@ti.com> References: <1544023171-5796-1-git-send-email-rogerq@ti.com> MIME-Version: 1.0 X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 Sender: linux-usb-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP The AM654 SoC contains a DWC3 controller with TI specific wrapper. Add support for that. Unlike the Keystone 2 case, for AM654 We don't need to process any IRQs for basic USB operation. Signed-off-by: Roger Quadros --- drivers/usb/dwc3/Kconfig | 6 +++--- drivers/usb/dwc3/dwc3-keystone.c | 11 ++++++++++- 2 files changed, 13 insertions(+), 4 deletions(-) diff --git a/drivers/usb/dwc3/Kconfig b/drivers/usb/dwc3/Kconfig index 1a0404f..a83a84f 100644 --- a/drivers/usb/dwc3/Kconfig +++ b/drivers/usb/dwc3/Kconfig @@ -86,11 +86,11 @@ config USB_DWC3_HAPS platform, please say 'Y' or 'M' here. config USB_DWC3_KEYSTONE - tristate "Texas Instruments Keystone2 Platforms" - depends on ARCH_KEYSTONE || COMPILE_TEST + tristate "Texas Instruments Keystone2/3 Platforms" + depends on ARCH_KEYSTONE || ARCH_K3 || COMPILE_TEST default USB_DWC3 help - Support of USB2/3 functionality in TI Keystone2 platforms. + Support of USB2/3 functionality in TI Keystone2/3 platforms. Say 'Y' or 'M' here if you have one such device config USB_DWC3_OF_SIMPLE diff --git a/drivers/usb/dwc3/dwc3-keystone.c b/drivers/usb/dwc3/dwc3-keystone.c index 193a9a8..cbee5fb 100644 --- a/drivers/usb/dwc3/dwc3-keystone.c +++ b/drivers/usb/dwc3/dwc3-keystone.c @@ -106,6 +106,10 @@ static int kdwc3_probe(struct platform_device *pdev) goto err_irq; } + /* IRQ processing not required currently for AM65 */ + if (of_device_is_compatible(node, "ti,am654-dwc3")) + goto skip_irq; + irq = platform_get_irq(pdev, 0); if (irq < 0) { dev_err(&pdev->dev, "missing irq\n"); @@ -123,6 +127,7 @@ static int kdwc3_probe(struct platform_device *pdev) kdwc3_enable_irqs(kdwc); +skip_irq: error = of_platform_populate(node, NULL, NULL, dev); if (error) { dev_err(&pdev->dev, "failed to create dwc3 core\n"); @@ -152,8 +157,11 @@ static int kdwc3_remove_core(struct device *dev, void *c) static int kdwc3_remove(struct platform_device *pdev) { struct dwc3_keystone *kdwc = platform_get_drvdata(pdev); + struct device_node *node = pdev->dev.of_node; + + if (!of_device_is_compatible(node, "ti,am654-dwc3")) + kdwc3_disable_irqs(kdwc); - kdwc3_disable_irqs(kdwc); device_for_each_child(&pdev->dev, NULL, kdwc3_remove_core); pm_runtime_put_sync(kdwc->dev); pm_runtime_disable(kdwc->dev); @@ -165,6 +173,7 @@ static int kdwc3_remove(struct platform_device *pdev) static const struct of_device_id kdwc3_of_match[] = { { .compatible = "ti,keystone-dwc3", }, + { .compatible = "ti,am654-dwc3" }, {}, }; MODULE_DEVICE_TABLE(of, kdwc3_of_match);