davinci: DA8xx: OHCI platform device

Add the function to register the OHCI platform device, given the root hub
related platform data passed from the board  specific code.  The platfrom
data provide for overriding the OHCI port power and over-current bits at
the board level.

Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>

2 files changed, 22 insertions, 0 deletions

diff --git a/arch/arm/mach-davinci/include/mach/da8xx.h b/arch/arm/mach-davinci/include/mach/da8xx.h
index abb8a5b2c692..3b7527324bf4 100644
--- a/arch/arm/mach-davinci/include/mach/da8xx.h
+++ b/arch/arm/mach-davinci/include/mach/da8xx.h
@@ -19,6 +19,7 @@
 #include <mach/emac.h>
 #include <mach/asp.h>
 #include <mach/mmc.h>
+#include <mach/usb.h>
 
 extern void __iomem *da8xx_syscfg_base;
 
@@ -78,6 +79,7 @@ void __init da850_init(void);
 int da8xx_register_edma(void);
 int da8xx_register_i2c(int instance, struct davinci_i2c_platform_data *pdata);
 int da8xx_register_watchdog(void);
+int da8xx_register_usb11(struct da8xx_ohci_root_hub *pdata);
 int da8xx_register_emac(void);
 int da8xx_register_lcdc(struct da8xx_lcdc_platform_data *pdata);
 int da8xx_register_mmcsd0(struct davinci_mmc_config *config);
diff --git a/arch/arm/mach-davinci/include/mach/usb.h b/arch/arm/mach-davinci/include/mach/usb.h
index d0fb412a9edd..435f2284238a 100644
--- a/arch/arm/mach-davinci/include/mach/usb.h
+++ b/arch/arm/mach-davinci/include/mach/usb.h
@@ -34,4 +34,24 @@
 #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;
+};
+
 #endif  /* ifndef __ASM_ARCH_USB_H */