ARM: imx: dynamically allocate imx21-hcd devices

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

diff --git a/arch/arm/mach-imx/devices-imx21.h b/arch/arm/mach-imx/devices-imx21.h
index 0c0eab1..16744d2 100644 (file)
--- 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 4360b9c..8fd2545 100644 (file)
--- 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 d1e7f48..e69de29 100644 (file)
--- 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 212f380..a0be2df 100644 (file)
--- 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 dd23bab..14b228e 100644 (file)
--- 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 (file)
index 0000000..5770a42
--- /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 1a67299..f5d0000 100644 (file)
--- 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;
 };