ARM: imx: dynamically allocate imx21-hcd devices

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

7 files changed, 58 insertions, 29 deletions

diff --git a/arch/arm/mach-imx/devices-imx21.h b/arch/arm/mach-imx/devices-imx21.h
index 0c0eab17ccfd..16744d2d9b81 100644
--- a/arch/arm/mach-imx/devices-imx21.h
+++ b/arch/arm/mach-imx/devices-imx21.h
@@ -9,6 +9,10 @@
 #include <mach/mx21.h>
 #include <mach/devices-common.h>
 
+extern const struct imx_imx21_hcd_data imx21_imx21_hcd_data __initconst;
+#define imx21_add_imx21_hcd(pdata)      \
+        imx_add_imx21_hcd(&imx21_imx21_hcd_data, pdata)
+
 extern const struct imx_imx2_wdt_data imx21_imx2_wdt_data __initconst;
 #define imx21_add_imx2_wdt(pdata)       \
         imx_add_imx2_wdt(&imx21_imx2_wdt_data)
diff --git a/arch/arm/mach-imx/devices.c b/arch/arm/mach-imx/devices.c
index 4360b9c8f893..8fd2545395f9 100644
--- a/arch/arm/mach-imx/devices.c
+++ b/arch/arm/mach-imx/devices.c
@@ -123,30 +123,4 @@ int __init imx27_register_gpios(void)
 }
 #endif
 
-#ifdef CONFIG_MACH_MX21
-static struct resource mx21_usbhc_resources[] = {
-        {
-                .start  = MX21_USBOTG_BASE_ADDR,
-                .end    = MX21_USBOTG_BASE_ADDR + SZ_8K - 1,
-                .flags  = IORESOURCE_MEM,
-        },
-        {
-                .start          = MX21_INT_USBHOST,
-                .end            = MX21_INT_USBHOST,
-                .flags          = IORESOURCE_IRQ,
-        },
-};
-
-struct platform_device mx21_usbhc_device = {
-        .name           = "imx21-hcd",
-        .id             = 0,
-        .dev            = {
-                .dma_mask = &mx21_usbhc_device.dev.coherent_dma_mask,
-                .coherent_dma_mask = DMA_BIT_MASK(32),
-        },
-        .num_resources  = ARRAY_SIZE(mx21_usbhc_resources),
-        .resource       = mx21_usbhc_resources,
-};
-#endif
-
 #endif
diff --git a/arch/arm/mach-imx/devices.h b/arch/arm/mach-imx/devices.h
index d1e7f48f7d52..e69de29bb2d1 100644
--- a/arch/arm/mach-imx/devices.h
+++ b/arch/arm/mach-imx/devices.h
@@ -1,3 +0,0 @@
-#if defined(CONFIG_MACH_MX21) || defined(CONFIG_MACH_MX27)
-extern struct platform_device mx21_usbhc_device;
-#endif
diff --git a/arch/arm/plat-mxc/devices/Kconfig b/arch/arm/plat-mxc/devices/Kconfig
index 212f380d7642..a0be2df71a08 100644
--- a/arch/arm/plat-mxc/devices/Kconfig
+++ b/arch/arm/plat-mxc/devices/Kconfig
@@ -15,6 +15,9 @@ config IMX_HAVE_PLATFORM_FSL_USB2_UDC
 config IMX_HAVE_PLATFORM_GPIO_KEYS
         bool
         default y if ARCH_MX51
+
+config IMX_HAVE_PLATFORM_IMX21_HCD
+        bool
         
 config IMX_HAVE_PLATFORM_IMX2_WDT
         bool
diff --git a/arch/arm/plat-mxc/devices/Makefile b/arch/arm/plat-mxc/devices/Makefile
index dd23baba32e9..14b228e9d58a 100644
--- a/arch/arm/plat-mxc/devices/Makefile
+++ b/arch/arm/plat-mxc/devices/Makefile
@@ -3,6 +3,7 @@ obj-$(CONFIG_IMX_HAVE_PLATFORM_FEC) += platform-fec.o
 obj-$(CONFIG_IMX_HAVE_PLATFORM_FLEXCAN) += platform-flexcan.o
 obj-$(CONFIG_IMX_HAVE_PLATFORM_FSL_USB2_UDC) += platform-fsl-usb2-udc.o
 obj-$(CONFIG_IMX_HAVE_PLATFORM_GPIO_KEYS) += platform-gpio_keys.o
+obj-$(CONFIG_IMX_HAVE_PLATFORM_IMX21_HCD) += platform-imx21-hcd.o
 obj-$(CONFIG_IMX_HAVE_PLATFORM_IMX2_WDT) += platform-imx2-wdt.o
 obj-y += platform-imx-dma.o
 obj-$(CONFIG_IMX_HAVE_PLATFORM_IMX_FB) += platform-imx-fb.o
diff --git a/arch/arm/plat-mxc/devices/platform-imx21-hcd.c b/arch/arm/plat-mxc/devices/platform-imx21-hcd.c
new file mode 100644
index 000000000000..5770a42f33bf
--- /dev/null
+++ b/arch/arm/plat-mxc/devices/platform-imx21-hcd.c
@@ -0,0 +1,41 @@
+/*
+ * 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_imx21_hcd_data_entry_single(soc)                            \
+        {                                                               \
+                .iobase = soc ## _USBOTG_BASE_ADDR,                     \
+                .irq = soc ## _INT_USBHOST,                             \
+        }
+
+#ifdef CONFIG_SOC_IMX21
+const struct imx_imx21_hcd_data imx21_imx21_hcd_data __initconst =
+        imx_imx21_hcd_data_entry_single(MX21);
+#endif /* ifdef CONFIG_SOC_IMX21 */
+
+struct platform_device *__init imx_add_imx21_hcd(
+                const struct imx_imx21_hcd_data *data,
+                const struct mx21_usbh_platform_data *pdata)
+{
+        struct resource res[] = {
+                {
+                        .start = data->iobase,
+                        .end = data->iobase + SZ_8K - 1,
+                        .flags = IORESOURCE_MEM,
+                }, {
+                        .start = data->irq,
+                        .end = data->irq,
+                        .flags = IORESOURCE_IRQ,
+                },
+        };
+        return imx_add_platform_device_dmamask("imx21-hcd", 0,
+                        res, ARRAY_SIZE(res),
+                        pdata, sizeof(*pdata), DMA_BIT_MASK(32));
+}
diff --git a/arch/arm/plat-mxc/include/mach/devices-common.h b/arch/arm/plat-mxc/include/mach/devices-common.h
index 1a672999d838..f5d0000acd62 100644
--- a/arch/arm/plat-mxc/include/mach/devices-common.h
+++ b/arch/arm/plat-mxc/include/mach/devices-common.h
@@ -57,6 +57,15 @@ struct platform_device *__init imx_add_fsl_usb2_udc(
 struct platform_device *__init imx_add_gpio_keys(
                 const struct gpio_keys_platform_data *pdata);
 
+#include <mach/mx21-usbhost.h>
+struct imx_imx21_hcd_data {
+        resource_size_t iobase;
+        resource_size_t irq;
+};
+struct platform_device *__init imx_add_imx21_hcd(
+                const struct imx_imx21_hcd_data *data,
+                const struct mx21_usbh_platform_data *pdata);
+
 struct imx_imx2_wdt_data {
         resource_size_t iobase;
 };