From patchwork Tue Mar 15 12:14:14 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mugunthan V N X-Patchwork-Id: 597481 X-Patchwork-Delegate: sjg@chromium.org Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from theia.denx.de (theia.denx.de [85.214.87.163]) by ozlabs.org (Postfix) with ESMTP id 3qPYV06F2gz9sR9 for ; Tue, 15 Mar 2016 23:15:20 +1100 (AEDT) Received: from localhost (localhost [127.0.0.1]) by theia.denx.de (Postfix) with ESMTP id DB997A7731; Tue, 15 Mar 2016 13:15:00 +0100 (CET) Received: from theia.denx.de ([127.0.0.1]) by localhost (theia.denx.de [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id v7SBQgrtCIoy; Tue, 15 Mar 2016 13:15:00 +0100 (CET) Received: from theia.denx.de (localhost [127.0.0.1]) by theia.denx.de (Postfix) with ESMTP id 4AC8BA770E; Tue, 15 Mar 2016 13:14:47 +0100 (CET) Received: from localhost (localhost [127.0.0.1]) by theia.denx.de (Postfix) with ESMTP id 84158A76CB for ; Tue, 15 Mar 2016 13:14:41 +0100 (CET) Received: from theia.denx.de ([127.0.0.1]) by localhost (theia.denx.de [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id M0RuemPAqNnj for ; Tue, 15 Mar 2016 13:14:41 +0100 (CET) X-policyd-weight: NOT_IN_SBL_XBL_SPAMHAUS=-1.5 NOT_IN_SPAMCOP=-1.5 NOT_IN_BL_NJABL=-1.5 (only DNSBL check requested) Received: from devils.ext.ti.com (devils.ext.ti.com [198.47.26.153]) by theia.denx.de (Postfix) with ESMTPS id ED9ADA76C5 for ; Tue, 15 Mar 2016 13:14:40 +0100 (CET) Received: from dflxv15.itg.ti.com ([128.247.5.124]) by devils.ext.ti.com (8.13.7/8.13.7) with ESMTP id u2FCEcIv003348; Tue, 15 Mar 2016 07:14:38 -0500 Received: from DLEE70.ent.ti.com (dlee70.ent.ti.com [157.170.170.113]) by dflxv15.itg.ti.com (8.14.3/8.13.8) with ESMTP id u2FCEc5f022596; Tue, 15 Mar 2016 07:14:38 -0500 Received: from dflp33.itg.ti.com (10.64.6.16) by DLEE70.ent.ti.com (157.170.170.113) with Microsoft SMTP Server id 14.3.224.2; Tue, 15 Mar 2016 07:14:38 -0500 Received: from a0131834lt.india.ti.com (ileax41-snat.itg.ti.com [10.172.224.153]) by dflp33.itg.ti.com (8.14.3/8.13.8) with ESMTP id u2FCELNR018761; Tue, 15 Mar 2016 07:14:36 -0500 From: Mugunthan V N To: Date: Tue, 15 Mar 2016 17:44:14 +0530 Message-ID: <1458044059-18363-6-git-send-email-mugunthanvnm@ti.com> X-Mailer: git-send-email 2.7.2.333.g70bd996 In-Reply-To: <1458044059-18363-1-git-send-email-mugunthanvnm@ti.com> References: <1458044059-18363-1-git-send-email-mugunthanvnm@ti.com> MIME-Version: 1.0 Cc: Tom Rini , Sekhar Nori , Kishon Vijay Abraham I Subject: [U-Boot] [PATCH 05/10] drivers: usb: dwc3: add ti dwc3 misc driver for wrapper X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.15 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: u-boot-bounces@lists.denx.de Sender: "U-Boot" Add a misc driver for DWC3 wrapper, so that based on dr_mode the USB devices can bind to USB host or USB device drivers. Signed-off-by: Mugunthan V N Reviewed-by: Tom Rini --- drivers/usb/dwc3/core.h | 4 ++++ drivers/usb/dwc3/dwc3-omap.c | 52 ++++++++++++++++++++++++++++++++++++++++++++ drivers/usb/dwc3/gadget.c | 2 +- 3 files changed, 57 insertions(+), 1 deletion(-) diff --git a/drivers/usb/dwc3/core.h b/drivers/usb/dwc3/core.h index 72d2fcd..24f03e4 100644 --- a/drivers/usb/dwc3/core.h +++ b/drivers/usb/dwc3/core.h @@ -713,7 +713,11 @@ struct dwc3 { /* device lock */ spinlock_t lock; +#ifndef CONFIG_DM_USB struct device *dev; +#else + struct udevice *dev; +#endif struct platform_device *xhci; struct resource xhci_resources[DWC3_XHCI_RESOURCES_NUM]; diff --git a/drivers/usb/dwc3/dwc3-omap.c b/drivers/usb/dwc3/dwc3-omap.c index 31d15f5..fef7deb 100644 --- a/drivers/usb/dwc3/dwc3-omap.c +++ b/drivers/usb/dwc3/dwc3-omap.c @@ -27,6 +27,11 @@ #include "linux-compat.h" +#include +#include + +DECLARE_GLOBAL_DATA_PTR; + /* * All these registers belong to OMAP's Wrapper around the * DesignWare USB3 Core. @@ -134,6 +139,8 @@ struct dwc3_omap { u32 index; }; +#ifndef CONFIG_DM_USB + static LIST_HEAD(dwc3_omap_list); static inline u32 dwc3_omap_readl(void __iomem *base, u32 offset) @@ -461,3 +468,48 @@ MODULE_ALIAS("platform:omap-dwc3"); MODULE_AUTHOR("Felipe Balbi "); MODULE_LICENSE("GPL v2"); MODULE_DESCRIPTION("DesignWare USB3 OMAP Glue Layer"); + +#else + +static int ti_dwc3_wrapper_bind(struct udevice *parent) +{ + const void *fdt = gd->fdt_blob; + int node; + + for (node = fdt_first_subnode(fdt, parent->of_offset); node > 0; + node = fdt_next_subnode(fdt, node)) { + const char *name = fdt_get_name(fdt, node, NULL); + enum usb_dr_mode dr_mode; + + if (strncmp(name, "usb@", 4)) + continue; + + dr_mode = usb_get_dr_mode(node); + switch (dr_mode) { + case USB_DR_MODE_PERIPHERAL: + case USB_DR_MODE_OTG: + /* Bind MUSB device */ + break; + case USB_DR_MODE_HOST: + /* Bind MUSB host */ + break; + default: + break; + }; + } + return 0; +} + +static const struct udevice_id ti_dwc3_ids[] = { + { .compatible = "ti,am437x-dwc3" }, + { } +}; + +U_BOOT_DRIVER(ti_dwc3_wrapper) = { + .name = "ti-dwc3-wrapper", + .id = UCLASS_MISC, + .of_match = ti_dwc3_ids, + .bind = ti_dwc3_wrapper_bind, +}; + +#endif /* CONFIG_DM_USB */ diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c index 25ccc01..d6fcea7 100644 --- a/drivers/usb/dwc3/gadget.c +++ b/drivers/usb/dwc3/gadget.c @@ -2611,7 +2611,7 @@ int dwc3_gadget_init(struct dwc3 *dwc) if (ret) goto err4; - ret = usb_add_gadget_udc(dwc->dev, &dwc->gadget); + ret = usb_add_gadget_udc((struct device *)dwc->dev, &dwc->gadget); if (ret) { dev_err(dwc->dev, "failed to register udc\n"); goto err4;