[ARM] 4173/1: S3C24XX usb device platform datas

This patch is adding the functions and structures used for handling the
S3C24XX udc driver platform datas.

Signed-off-by: Arnaud Patard <arnaud.patard@rtp-net.org>
Acked-by: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

2 files changed, 49 insertions, 0 deletions

diff --git a/arch/arm/plat-s3c24xx/devs.c b/arch/arm/plat-s3c24xx/devs.c
index 6d46c4e2a4f7..0fe53b39cb2f 100644
--- a/arch/arm/plat-s3c24xx/devs.c
+++ b/arch/arm/plat-s3c24xx/devs.c
@@ -29,6 +29,7 @@
 #include <asm/irq.h>
 
 #include <asm/arch/regs-serial.h>
+#include <asm/arch/udc.h>
 
 #include <asm/plat-s3c24xx/devs.h>
 #include <asm/plat-s3c24xx/cpu.h>
@@ -230,6 +231,20 @@ struct platform_device s3c_device_usbgadget = {
 
 EXPORT_SYMBOL(s3c_device_usbgadget);
 
+void __init s3c24xx_udc_set_platdata(struct s3c2410_udc_mach_info *pd)
+{
+        struct s3c2410_udc_mach_info *npd;
+
+        npd = kmalloc(sizeof(*npd), GFP_KERNEL);
+        if (npd) {
+                memcpy(npd, pd, sizeof(*npd));
+                s3c_device_usbgadget.dev.platform_data = npd;
+        } else {
+                printk(KERN_ERR "no memory for udc platform data\n");
+        }
+}
+
+
 /* Watchdog */
 
 static struct resource s3c_wdt_resource[] = {
diff --git a/include/asm-arm/arch-s3c2410/udc.h b/include/asm-arm/arch-s3c2410/udc.h
new file mode 100644
index 000000000000..2529effb8078
--- /dev/null
+++ b/include/asm-arm/arch-s3c2410/udc.h
@@ -0,0 +1,34 @@
+/* linux/include/asm/arch-s3c2410/udc.h
+ *
+ * Copyright (c) 2005 Arnaud Patard <arnaud.patard@rtp-net.org>
+ *
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ *
+ *  Changelog:
+ *      14-Mar-2005     RTP     Created file
+ *      02-Aug-2005     RTP     File rename
+ *      07-Sep-2005     BJD     Minor cleanups, changed cmd to enum
+*/
+
+#ifndef __ASM_ARM_ARCH_UDC_H
+#define __ASM_ARM_ARCH_UDC_H
+
+enum s3c2410_udc_cmd_e {
+        S3C2410_UDC_P_ENABLE    = 1,    /* Pull-up enable        */
+        S3C2410_UDC_P_DISABLE   = 2,    /* Pull-up disable       */
+        S3C2410_UDC_P_RESET     = 3,    /* UDC reset, in case of */
+};
+
+struct s3c2410_udc_mach_info {
+        void    (*udc_command)(enum s3c2410_udc_cmd_e);
+        unsigned int vbus_pin;
+        unsigned char vbus_pin_inverted;
+};
+
+extern void __init s3c24xx_udc_set_platdata(struct s3c2410_udc_mach_info *);
+
+#endif /* __ASM_ARM_ARCH_UDC_H */