ARM: imx: dynamically allocate imx21-hcd devices

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

4 files changed, 54 insertions, 0 deletions

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;
 };