[ARM] 3958/1: add platform device (pxa2xx-udc)to ixp4xx

Create include/asm-arm/arch-ixp4xx/udc.h and
add platfrom device ixp4xx_udc_device into
arch/arm/mach-ixp4xx/common.c.

This allows us to use pxa2xx-udc on
the ixp4xx platfrom. Both pxa2xx and
ixp4xx use the same device controller.

Signed-off-by:Milan Svoboda <msvoboda@ra.rockwell.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

1 files changed, 41 insertions, 0 deletions

diff --git a/arch/arm/mach-ixp4xx/common.c b/arch/arm/mach-ixp4xx/common.c
index 074c96520246..1cf3bde1a5d2 100644
--- a/arch/arm/mach-ixp4xx/common.c
+++ b/arch/arm/mach-ixp4xx/common.c
@@ -28,6 +28,7 @@
 #include <linux/timex.h>
 #include <linux/clocksource.h>
 
+#include <asm/arch/udc.h>
 #include <asm/hardware.h>
 #include <asm/uaccess.h>
 #include <asm/io.h>
@@ -286,6 +287,44 @@ struct sys_timer ixp4xx_timer = {
         .init           = ixp4xx_timer_init,
 };
 
+static struct pxa2xx_udc_mach_info ixp4xx_udc_info;
+
+void __init ixp4xx_set_udc_info(struct pxa2xx_udc_mach_info *info)
+{
+        memcpy(&ixp4xx_udc_info, info, sizeof *info);
+}
+
+static struct resource ixp4xx_udc_resources[] = {
+        [0] = {
+                .start  = 0xc800b000,
+                .end    = 0xc800bfff,
+                .flags  = IORESOURCE_MEM,
+        },
+        [1] = {
+                .start  = IRQ_IXP4XX_USB,
+                .end    = IRQ_IXP4XX_USB,
+                .flags  = IORESOURCE_IRQ,
+        },
+};
+
+/*
+ * USB device controller. The IXP4xx uses the same controller as PXA2XX,
+ * so we just use the same device.
+ */
+static struct platform_device ixp4xx_udc_device = {
+        .name           = "pxa2xx-udc",
+        .id             = -1,
+        .num_resources  = 2,
+        .resource       = ixp4xx_udc_resources,
+        .dev            = {
+                .platform_data = &ixp4xx_udc_info,
+        },
+};
+
+static struct platform_device *ixp4xx_devices[] __initdata = {
+        &ixp4xx_udc_device,
+};
+
 static struct resource ixp46x_i2c_resources[] = {
         [0] = {
                 .start  = 0xc8011000,
@@ -321,6 +360,8 @@ void __init ixp4xx_sys_init(void)
 {
         ixp4xx_exp_bus_size = SZ_16M;
 
+        platform_add_devices(ixp4xx_devices, ARRAY_SIZE(ixp4xx_devices));
+
         if (cpu_is_ixp46x()) {
                 int region;