[PATCH 04/11] MXS: Add data shared between imx-otg and EHCI driver
Marek Vasut
marex at denx.de
Mon Apr 23 23:18:36 EDT 2012
This patch adds common data shared between the MXS EHCI HCD driver,
the MXS USB Gadget driver and the imx-otg driver. These data allow
passing clock and memory stuff from imx-otg driver into the
host/gadget driver.
Signed-off-by: Marek Vasut <marex at denx.de>
Cc: Chen Peter-B29397 <B29397 at freescale.com>
Cc: Detlev Zundel <dzu at denx.de>
Cc: Fabio Estevam <festevam at gmail.com>
Cc: Li Frank-B20596 <B20596 at freescale.com>
Cc: Lin Tony-B19295 <B19295 at freescale.com>
Cc: Linux USB <linux-usb at vger.kernel.org>
Cc: Sascha Hauer <s.hauer at pengutronix.de>
Cc: Shawn Guo <shawn.guo at freescale.com>
Cc: Shawn Guo <shawn.guo at linaro.org>
Cc: Stefano Babic <sbabic at denx.de>
Cc: Subodh Nijsure <snijsure at grid-net.com>
Cc: Tony Lin <tony.lin at freescale.com>
Cc: Wolfgang Denk <wd at denx.de>
---
include/linux/usb/mxs-usb.h | 95 +++++++++++++++++++++++++++++++++++++++++++
1 file changed, 95 insertions(+)
create mode 100644 include/linux/usb/mxs-usb.h
diff --git a/include/linux/usb/mxs-usb.h b/include/linux/usb/mxs-usb.h
new file mode 100644
index 0000000..a4de28e
--- /dev/null
+++ b/include/linux/usb/mxs-usb.h
@@ -0,0 +1,95 @@
+/*
+ * include/linux/usb/mxs-usb.h
+ *
+ * Freescale i.MX USB driver shared data.
+ *
+ * Copyright (C) 2012 Marek Vasut <marex at denx.de>
+ * on behalf of DENX Software Engineering GmbH
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#ifndef __INCLUDE_LINUX_USB_MXS_USB_H__
+#define __INCLUDE_LINUX_USB_MXS_USB_H__
+
+#include <linux/types.h>
+#include <linux/platform_device.h>
+
+#include <linux/usb/otg.h>
+
+/* MXS USB PHY register definitions. */
+#define HW_USBPHY_PWD 0x00
+
+#define HW_USBPHY_CTRL 0x30
+#define HW_USBPHY_CTRL_SET 0x34
+#define HW_USBPHY_CTRL_CLR 0x38
+#define HW_USBPHY_CTRL_TOG 0x3c
+
+#define BM_USBPHY_CTRL_SFTRST (1 << 31)
+#define BM_USBPHY_CTRL_CLKGATE (1 << 30)
+#define BM_USBPHY_CTRL_ENVBUSCHG_WKUP (1 << 23)
+#define BM_USBPHY_CTRL_ENIDCHG_WKUP (1 << 22)
+#define BM_USBPHY_CTRL_ENDPDMCHG_WKUP (1 << 21)
+#define BM_USBPHY_CTRL_WAKEUP_IRQ (1 << 17)
+#define BM_USBPHY_CTRL_ENIRQWAKEUP (1 << 16)
+#define BM_USBPHY_CTRL_ENUTMILEVEL3 (1 << 15)
+#define BM_USBPHY_CTRL_ENUTMILEVEL2 (1 << 14)
+#define BM_USBPHY_CTRL_ENIRQDEVPLUGIN (1 << 11)
+#define BM_USBPHY_CTRL_RESUME_IRQ (1 << 10)
+#define BM_USBPHY_CTRL_ENIRQRESUMEDETECT (1 << 9)
+#define BM_USBPHY_CTRL_ENOTGIDDETECT (1 << 7)
+#define BM_USBPHY_CTRL_ENDEVPLUGINDETECT (1 << 4)
+#define BM_USBPHY_CTRL_HOSTDISCONDETECT_IRQ (1 << 3)
+#define BM_USBPHY_CTRL_ENIRQHOSTDISCON (1 << 2)
+#define BM_USBPHY_CTRL_ENHOSTDISCONDETECT (1 << 1)
+
+#define HW_USBPHY_STATUS 0x40
+
+#define BM_USBPHY_STATUS_OTGID_STATUS (1 << 8)
+#define BM_USBPHY_STATUS_DEVPLUGIN_STATUS (1 << 6)
+#define BM_USBPHY_STATUS_HOSTDISCON_STATUS (1 << 3)
+
+struct imx_otg_priv {
+ uint32_t gpio_vbus;
+ uint32_t gpio_vbus_inverted;
+ enum usb_otg_state new_state;
+ enum usb_otg_state cur_state;
+ struct usb_otg otg;
+ struct work_struct work;
+ struct device *dev;
+ uint32_t status;
+};
+
+struct imx_otg {
+ struct platform_device *pdev_host;
+ struct platform_device *pdev_gadget;
+
+ struct clk *clk;
+ struct resource *mem_res;
+ void __iomem *mem;
+ int irq;
+ int irq_wakeup;
+
+ struct imx_otg_priv priv;
+};
+
+struct imx_usb_platform_data {
+ uint32_t gpio_vbus;
+ bool gpio_vbus_inverted;
+ bool host_mode;
+ bool gadget_mode;
+};
+
+#endif /* __INCLUDE_LINUX_USB_MXS_USB_H__ */
--
1.7.10
More information about the linux-arm-kernel
mailing list