ARM: imx: dynamically allocate imx_udc device

This is only available for mx1 machines with no in-tree user.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>

7 files changed, 103 insertions, 52 deletions

diff --git a/arch/arm/mach-imx/devices.c b/arch/arm/mach-imx/devices.c
index cdc6f3271c5f..fba628551dc9 100644
--- a/arch/arm/mach-imx/devices.c
+++ b/arch/arm/mach-imx/devices.c
@@ -70,49 +70,6 @@ struct platform_device imx1_camera_device = {
         .num_resources  = ARRAY_SIZE(imx1_camera_resources),
 };
 
-static struct resource imx_usb_resources[] = {
-        {
-                .start  = 0x00212000,
-                .end    = 0x00212148,
-                .flags  = IORESOURCE_MEM,
-        }, {
-                .start  = MX1_USBD_INT0,
-                .end    = MX1_USBD_INT0,
-                .flags  = IORESOURCE_IRQ,
-        }, {
-                .start  = MX1_USBD_INT1,
-                .end    = MX1_USBD_INT1,
-                .flags  = IORESOURCE_IRQ,
-        }, {
-                .start  = MX1_USBD_INT2,
-                .end    = MX1_USBD_INT2,
-                .flags  = IORESOURCE_IRQ,
-        }, {
-                .start  = MX1_USBD_INT3,
-                .end    = MX1_USBD_INT3,
-                .flags  = IORESOURCE_IRQ,
-        }, {
-                .start  = MX1_USBD_INT4,
-                .end    = MX1_USBD_INT4,
-                .flags  = IORESOURCE_IRQ,
-        }, {
-                .start  = MX1_USBD_INT5,
-                .end    = MX1_USBD_INT5,
-                .flags  = IORESOURCE_IRQ,
-        }, {
-                .start  = MX1_USBD_INT6,
-                .end    = MX1_USBD_INT6,
-                .flags  = IORESOURCE_IRQ,
-        },
-};
-
-struct platform_device imx_usb_device = {
-        .name           = "imx_udc",
-        .id             = 0,
-        .num_resources  = ARRAY_SIZE(imx_usb_resources),
-        .resource       = imx_usb_resources,
-};
-
 /* GPIO port description */
 static struct mxc_gpio_port imx_gpio_ports[] = {
         {
diff --git a/arch/arm/mach-imx/devices.h b/arch/arm/mach-imx/devices.h
index a7e47f4dbfcc..91906ce21c40 100644
--- a/arch/arm/mach-imx/devices.h
+++ b/arch/arm/mach-imx/devices.h
@@ -1,6 +1,5 @@
 #ifdef CONFIG_ARCH_MX1
 extern struct platform_device imx1_camera_device;
-extern struct platform_device imx_usb_device;
 #endif
 
 #if defined(CONFIG_MACH_MX21) || defined(CONFIG_MACH_MX27)
diff --git a/arch/arm/plat-mxc/devices/Kconfig b/arch/arm/plat-mxc/devices/Kconfig
index fb664670c101..2703f5a05ce5 100644
--- a/arch/arm/plat-mxc/devices/Kconfig
+++ b/arch/arm/plat-mxc/devices/Kconfig
@@ -22,6 +22,9 @@ config IMX_HAVE_PLATFORM_IMX_SSI
 config IMX_HAVE_PLATFORM_IMX_UART
         bool
 
+config IMX_HAVE_PLATFORM_IMX_UDC
+        bool
+
 config IMX_HAVE_PLATFORM_MXC_NAND
         bool
 
diff --git a/arch/arm/plat-mxc/devices/Makefile b/arch/arm/plat-mxc/devices/Makefile
index 1d7d39201622..7c3eaf146f8b 100644
--- a/arch/arm/plat-mxc/devices/Makefile
+++ b/arch/arm/plat-mxc/devices/Makefile
@@ -6,6 +6,7 @@ obj-y += platform-imx-dma.o
 obj-$(CONFIG_IMX_HAVE_PLATFORM_IMX_I2C) += platform-imx-i2c.o
 obj-$(CONFIG_IMX_HAVE_PLATFORM_IMX_SSI) += platform-imx-ssi.o
 obj-$(CONFIG_IMX_HAVE_PLATFORM_IMX_UART) += platform-imx-uart.o
+obj-$(CONFIG_IMX_HAVE_PLATFORM_IMX_UDC) += platform-imx_udc.o
 obj-$(CONFIG_IMX_HAVE_PLATFORM_MXC_NAND) += platform-mxc_nand.o
 obj-$(CONFIG_IMX_HAVE_PLATFORM_MXC_W1) += platform-mxc_w1.o
 obj-$(CONFIG_IMX_HAVE_PLATFORM_SPI_IMX) +=  platform-spi_imx.o
diff --git a/arch/arm/plat-mxc/devices/platform-imx_udc.c b/arch/arm/plat-mxc/devices/platform-imx_udc.c
new file mode 100644
index 000000000000..6fd675dfce14
--- /dev/null
+++ b/arch/arm/plat-mxc/devices/platform-imx_udc.c
@@ -0,0 +1,75 @@
+/*
+ * Copyright (C) 2010 Pengutronix
+ * Uwe Kleine-Koenig <u.kleine-koenig@pengutronix.de>
+ *
+ * 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.
+ */
+#include <mach/hardware.h>
+#include <mach/devices-common.h>
+
+#define imx_imx_udc_data_entry_single(soc, _size)                       \
+        {                                                               \
+                .iobase = soc ## _USBD_BASE_ADDR,                       \
+                .iosize = _size,                                        \
+                .irq0 = soc ## _INT_USBD0,                              \
+                .irq1 = soc ## _INT_USBD1,                              \
+                .irq2 = soc ## _INT_USBD2,                              \
+                .irq3 = soc ## _INT_USBD3,                              \
+                .irq4 = soc ## _INT_USBD4,                              \
+                .irq5 = soc ## _INT_USBD5,                              \
+                .irq6 = soc ## _INT_USBD6,                              \
+        }
+
+#define imx_imx_udc_data_entry(soc, _size)                              \
+        [_id] = imx_imx_udc_data_entry_single(soc, _size)
+
+#ifdef CONFIG_SOC_IMX1
+const struct imx_imx_udc_data imx1_imx_udc_data __initconst =
+        imx_imx_udc_data_entry_single(MX1, SZ_4K);
+#endif /* ifdef CONFIG_SOC_IMX1 */
+
+struct platform_device *__init imx_add_imx_udc(
+                const struct imx_imx_udc_data *data,
+                const struct imxusb_platform_data *pdata)
+{
+        struct resource res[] = {
+                {
+                        .start = data->iobase,
+                        .end = data->iobase + data->iosize - 1,
+                        .flags = IORESOURCE_MEM,
+                }, {
+                        .start = data->irq0,
+                        .end = data->irq0,
+                        .flags = IORESOURCE_IRQ,
+                }, {
+                        .start = data->irq1,
+                        .end = data->irq1,
+                        .flags = IORESOURCE_IRQ,
+                }, {
+                        .start = data->irq2,
+                        .end = data->irq2,
+                        .flags = IORESOURCE_IRQ,
+                }, {
+                        .start = data->irq3,
+                        .end = data->irq3,
+                        .flags = IORESOURCE_IRQ,
+                }, {
+                        .start = data->irq4,
+                        .end = data->irq4,
+                        .flags = IORESOURCE_IRQ,
+                }, {
+                        .start = data->irq5,
+                        .end = data->irq5,
+                        .flags = IORESOURCE_IRQ,
+                }, {
+                        .start = data->irq6,
+                        .end = data->irq6,
+                        .flags = IORESOURCE_IRQ,
+                },
+        };
+
+        return imx_add_platform_device("imx_udc", 0,
+                        res, ARRAY_SIZE(res), pdata, sizeof(*pdata));
+}
diff --git a/arch/arm/plat-mxc/include/mach/devices-common.h b/arch/arm/plat-mxc/include/mach/devices-common.h
index 431e0ef4a832..4eb45fa53ac5 100644
--- a/arch/arm/plat-mxc/include/mach/devices-common.h
+++ b/arch/arm/plat-mxc/include/mach/devices-common.h
@@ -82,6 +82,22 @@ struct platform_device *__init imx_add_imx_uart_1irq(
                 const struct imx_imx_uart_1irq_data *data,
                 const struct imxuart_platform_data *pdata);
 
+#include <mach/usb.h>
+struct imx_imx_udc_data {
+        resource_size_t iobase;
+        resource_size_t iosize;
+        resource_size_t irq0;
+        resource_size_t irq1;
+        resource_size_t irq2;
+        resource_size_t irq3;
+        resource_size_t irq4;
+        resource_size_t irq5;
+        resource_size_t irq6;
+};
+struct platform_device *__init imx_add_imx_udc(
+                const struct imx_imx_udc_data *data,
+                const struct imxusb_platform_data *pdata);
+
 #include <mach/mxc_nand.h>
 struct imx_mxc_nand_data {
         /*
diff --git a/arch/arm/plat-mxc/include/mach/mx1.h b/arch/arm/plat-mxc/include/mach/mx1.h
index b6771f4ef39c..2cd3fcd1e0cf 100644
--- a/arch/arm/plat-mxc/include/mach/mx1.h
+++ b/arch/arm/plat-mxc/include/mach/mx1.h
@@ -114,13 +114,13 @@
 #define MX1_SSI_RX_INT          44
 #define MX1_SSI_RX_ERR_INT      45
 #define MX1_TOUCH_INT           46
-#define MX1_USBD_INT0           47
-#define MX1_USBD_INT1           48
-#define MX1_USBD_INT2           49
-#define MX1_USBD_INT3           50
-#define MX1_USBD_INT4           51
-#define MX1_USBD_INT5           52
-#define MX1_USBD_INT6           53
+#define MX1_INT_USBD0           47
+#define MX1_INT_USBD1           48
+#define MX1_INT_USBD2           49
+#define MX1_INT_USBD3           50
+#define MX1_INT_USBD4           51
+#define MX1_INT_USBD5           52
+#define MX1_INT_USBD6           53
 #define MX1_BTSYS_INT           55
 #define MX1_BTTIM_INT           56
 #define MX1_BTWUI_INT           57
@@ -163,6 +163,6 @@
  * to not break drivers/usb/gadget/imx_udc.  Should go
  * away after this driver uses the new name.
  */
-#define USBD_INT0               MX1_USBD_INT0
+#define USBD_INT0               MX1_INT_USBD0
 
 #endif /* ifndef __MACH_MX1_H__ */