linux-kernel - [PATCH v16 10/10]USB/ppc4xx:Synopsys DWC OTG driver enable gadget support

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Message-Id: <201205031243.q43Ch8cU029192@amcc.com>
Date:	Thu, 3 May 2012 18:13:08 +0530
From:	Rupjyoti Sarmah <rsarmah@...c.com>
To:	linuxppc-dev@...abs.org, linux-kernel@...r.kernel.org
Cc:	rsarmah@....com
Subject: [PATCH v16 10/10]USB/ppc4xx:Synopsys DWC OTG driver enable gadget support

Enable gadget support

Signed-off-by: Rupjyoti Sarmah <rsarmah@....com>
Signed-off-by: Tirumala R Marri <tmarri@....com>
Signed-off-by: Fushen Chen <fchen@....com>
Signed-off-by: Mark Miesfeld <mmiesfeld@....com>
---
 drivers/usb/gadget/Kconfig        |   11 +++++++++++
 drivers/usb/gadget/gadget_chips.h |    9 ++++++++-
 2 files changed, 19 insertions(+), 1 deletions(-)

diff --git a/drivers/usb/gadget/Kconfig b/drivers/usb/gadget/Kconfig
index 2633f75..4bca4dc 100644
--- a/drivers/usb/gadget/Kconfig
+++ b/drivers/usb/gadget/Kconfig
@@ -329,6 +329,17 @@ config USB_GADGET_MUSB_HDRC
 	  This OTG-capable silicon IP is used in dual designs including
 	  the TI DaVinci, OMAP 243x, OMAP 343x, TUSB 6010, and ADI Blackfin
 
+# dwc_otg builds in ../dwc along with host support
+config USB_GADGET_DWC_HDRC
+	boolean "DesignWare USB Peripheral"
+	depends on DWC_OTG_MODE || DWC_DEVICE_ONLY
+	select USB_GADGET_DUALSPEED
+	select USB_GADGET_SELECTED
+	select USB_GADGET_DWC_OTG
+	help
+	  This OTG-capable Designware USB IP which has host and device
+	  modes.
+
 config USB_M66592
 	tristate "Renesas M66592 USB Peripheral Controller"
 	select USB_GADGET_DUALSPEED
diff --git a/drivers/usb/gadget/gadget_chips.h b/drivers/usb/gadget/gadget_chips.h
index a8855d0..ab1ea6e 100644
--- a/drivers/usb/gadget/gadget_chips.h
+++ b/drivers/usb/gadget/gadget_chips.h
@@ -51,6 +51,12 @@
 #define gadget_is_s3c_hsotg(g)		(!strcmp("s3c-hsotg", (g)->name))
 #define gadget_is_s3c_hsudc(g)		(!strcmp("s3c-hsudc", (g)->name))
 
+#if defined(CONFIG_DWC_OTG_MODE) || defined(CONFIG_DWC_DEVICE_ONLY)
+#define gadget_is_dwc_otg_pcd(g)	(!strcmp("dwc_otg_pcd", (g)->name))
+#else
+#define gadget_is_dwc_otg_pcd(g)	0
+#endif
+
 /**
  * usb_gadget_controller_number - support bcdDevice id convention
  * @gadget: the controller being driven
@@ -118,11 +124,12 @@ static inline int usb_gadget_controller_number(struct usb_gadget *gadget)
 		return 0x31;
 	else if (gadget_is_dwc3(gadget))
 		return 0x32;
+	else if (gadget_is_dwc_otg_pcd(gadget))
+		return 0x33;
 
 	return -ENOENT;
 }
 
-
 /**
  * gadget_supports_altsettings - return true if altsettings work
  * @gadget: the gadget in question
-- 
1.7.0.4

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