Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / include / linux / platform_data / usb-davinci.h

diff --git a/kernel/include/linux/platform_data/usb-davinci.h b/kernel/include/linux/platform_data/usb-davinci.h
new file mode 100644 (file)
index 0000000..e0bc4ab
--- /dev/null
+++ b/kernel/include/linux/platform_data/usb-davinci.h
@@ -0,0 +1,59 @@
+/*
+ * USB related definitions
+ *
+ * Copyright (C) 2009 MontaVista Software, Inc. <source@mvista.com>
+ *
+ * This file is licensed under the terms of the GNU General Public License
+ * version 2. This program is licensed "as is" without any warranty of any
+ * kind, whether express or implied.
+ */
+
+#ifndef __ASM_ARCH_USB_H
+#define __ASM_ARCH_USB_H
+
+/* DA8xx CFGCHIP2 (USB 2.0 PHY Control) register bits */
+#define CFGCHIP2_PHYCLKGD      (1 << 17)
+#define CFGCHIP2_VBUSSENSE     (1 << 16)
+#define CFGCHIP2_RESET         (1 << 15)
+#define CFGCHIP2_OTGMODE       (3 << 13)
+#define CFGCHIP2_NO_OVERRIDE   (0 << 13)
+#define CFGCHIP2_FORCE_HOST    (1 << 13)
+#define CFGCHIP2_FORCE_DEVICE  (2 << 13)
+#define CFGCHIP2_FORCE_HOST_VBUS_LOW (3 << 13)
+#define CFGCHIP2_USB1PHYCLKMUX (1 << 12)
+#define CFGCHIP2_USB2PHYCLKMUX (1 << 11)
+#define CFGCHIP2_PHYPWRDN      (1 << 10)
+#define CFGCHIP2_OTGPWRDN      (1 << 9)
+#define CFGCHIP2_DATPOL        (1 << 8)
+#define CFGCHIP2_USB1SUSPENDM  (1 << 7)
+#define CFGCHIP2_PHY_PLLON     (1 << 6)        /* override PLL suspend */
+#define CFGCHIP2_SESENDEN      (1 << 5)        /* Vsess_end comparator */
+#define CFGCHIP2_VBDTCTEN      (1 << 4)        /* Vbus comparator */
+#define CFGCHIP2_REFFREQ       (0xf << 0)
+#define CFGCHIP2_REFFREQ_12MHZ (1 << 0)
+#define CFGCHIP2_REFFREQ_24MHZ (2 << 0)
+#define CFGCHIP2_REFFREQ_48MHZ (3 << 0)
+
+struct da8xx_ohci_root_hub;
+
+typedef void (*da8xx_ocic_handler_t)(struct da8xx_ohci_root_hub *hub,
+                                    unsigned port);
+
+/* Passed as the platform data to the OHCI driver */
+struct da8xx_ohci_root_hub {
+       /* Switch the port power on/off */
+       int     (*set_power)(unsigned port, int on);
+       /* Read the port power status */
+       int     (*get_power)(unsigned port);
+       /* Read the port over-current indicator */
+       int     (*get_oci)(unsigned port);
+       /* Over-current indicator change notification (pass NULL to disable) */
+       int     (*ocic_notify)(da8xx_ocic_handler_t handler);
+
+       /* Time from power on to power good (in 2 ms units) */
+       u8      potpgt;
+};
+
+void davinci_setup_usb(unsigned mA, unsigned potpgt_ms);
+
+#endif /* ifndef __ASM_ARCH_USB_H */