ARM: imx: dynamically allocate fsl-usb2-udc devices

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

diff --git a/arch/arm/mach-imx/Kconfig b/arch/arm/mach-imx/Kconfig
index 025e969..e50a164 100644 (file)
--- a/arch/arm/mach-imx/Kconfig
+++ b/arch/arm/mach-imx/Kconfig
@@ -128,6 +128,7 @@ endchoice
 
 config MACH_CPUIMX27
        bool "Eukrea CPUIMX27 module"
+       select IMX_HAVE_PLATFORM_FSL_USB2_UDC
        select IMX_HAVE_PLATFORM_IMX2_WDT
        select IMX_HAVE_PLATFORM_IMX_I2C
        select IMX_HAVE_PLATFORM_IMX_UART
@@ -200,6 +201,7 @@ config MACH_IMX27LITE
 
 config MACH_PCA100
        bool "Phytec phyCARD-s (pca100)"
+       select IMX_HAVE_PLATFORM_FSL_USB2_UDC
        select IMX_HAVE_PLATFORM_IMX2_WDT
        select IMX_HAVE_PLATFORM_IMX_FB
        select IMX_HAVE_PLATFORM_IMX_I2C

diff --git a/arch/arm/mach-imx/devices-imx27.h b/arch/arm/mach-imx/devices-imx27.h
index 51b9155..51bb42d 100644 (file)
--- a/arch/arm/mach-imx/devices-imx27.h
+++ b/arch/arm/mach-imx/devices-imx27.h
@@ -13,6 +13,10 @@ extern const struct imx_fec_data imx27_fec_data __initconst;
 #define imx27_add_fec(pdata)   \
        imx_add_fec(&imx27_fec_data, pdata)
 
+extern const struct imx_fsl_usb2_udc_data imx27_fsl_usb2_udc_data __initconst;
+#define imx27_add_fsl_usb2_udc(pdata)  \
+       imx_add_fsl_usb2_udc(&imx27_fsl_usb2_udc_data, pdata)
+
 extern const struct imx_imx2_wdt_data imx27_imx2_wdt_data __initconst;
 #define imx27_add_imx2_wdt(pdata)      \
        imx_add_imx2_wdt(&imx27_imx2_wdt_data)

diff --git a/arch/arm/mach-imx/devices.c b/arch/arm/mach-imx/devices.c
index 2a6d707..d026cfb 100644 (file)
--- a/arch/arm/mach-imx/devices.c
+++ b/arch/arm/mach-imx/devices.c
@@ -76,34 +76,6 @@ int __init imx1_register_gpios(void)
 }
 #endif
 
-#ifdef CONFIG_MACH_MX27
-static struct resource otg_resources[] = {
-       {
-               .start = MX27_USB_OTG_BASE_ADDR,
-               .end = MX27_USB_OTG_BASE_ADDR + 0x1ff,
-               .flags = IORESOURCE_MEM,
-       }, {
-               .start = MX27_INT_USB_OTG,
-               .end = MX27_INT_USB_OTG,
-               .flags = IORESOURCE_IRQ,
-       },
-};
-
-static u64 otg_dmamask = DMA_BIT_MASK(32);
-
-/* OTG gadget device */
-struct platform_device mxc_otg_udc_device = {
-       .name           = "fsl-usb2-udc",
-       .id             = -1,
-       .dev            = {
-               .dma_mask               = &otg_dmamask,
-               .coherent_dma_mask      = DMA_BIT_MASK(32),
-       },
-       .resource       = otg_resources,
-       .num_resources  = ARRAY_SIZE(otg_resources),
-};
-#endif
-
 #if defined(CONFIG_MACH_MX21) || defined(CONFIG_MACH_MX27)
 /* GPIO port description */
 #define DEFINE_MXC_GPIO_PORT_IRQ(SOC, n, _irq)                         \

diff --git a/arch/arm/mach-imx/devices.h b/arch/arm/mach-imx/devices.h
index 7a00bba..a788566 100644 (file)
--- a/arch/arm/mach-imx/devices.h
+++ b/arch/arm/mach-imx/devices.h
@@ -1,5 +1,4 @@
 #if defined(CONFIG_MACH_MX21) || defined(CONFIG_MACH_MX27)
-extern struct platform_device mxc_otg_udc_device;
 extern struct platform_device mx21_usbhc_device;
 extern struct platform_device imx_kpp_device;
 #endif

diff --git a/arch/arm/mach-imx/mach-cpuimx27.c b/arch/arm/mach-imx/mach-cpuimx27.c
index c70b038..9ae5bed 100644 (file)
--- a/arch/arm/mach-imx/mach-cpuimx27.c
+++ b/arch/arm/mach-imx/mach-cpuimx27.c
@@ -28,7 +28,6 @@
 #include <linux/serial_8250.h>
 #include <linux/usb/otg.h>
 #include <linux/usb/ulpi.h>
-#include <linux/fsl_devices.h>
 
 #include <asm/mach-types.h>
 #include <asm/mach/arch.h>
@@ -223,7 +222,7 @@ static struct mxc_usbh_platform_data usbh2_pdata __initdata = {
 };
 #endif
 
-static struct fsl_usb2_platform_data otg_device_pdata = {
+static const struct fsl_usb2_platform_data otg_device_pdata __initconst = {
        .operating_mode = FSL_USB2_DR_DEVICE,
        .phy_mode       = FSL_USB2_PHY_ULPI,
 };
@@ -289,7 +288,7 @@ static void __init eukrea_cpuimx27_init(void)
        imx27_add_mxc_ehci_hs(2, &usbh2_pdata);
 #endif
        if (!otg_mode_host)
-               mxc_register_device(&mxc_otg_udc_device, &otg_device_pdata);
+               imx27_add_fsl_usb2_udc(&otg_device_pdata);
 
 #ifdef CONFIG_MACH_EUKREA_MBIMX27_BASEBOARD
        eukrea_mbimx27_baseboard_init();

diff --git a/arch/arm/mach-imx/mach-pca100.c b/arch/arm/mach-imx/mach-pca100.c
index 683374d..d9e2dda 100644 (file)
--- a/arch/arm/mach-imx/mach-pca100.c
+++ b/arch/arm/mach-imx/mach-pca100.c
@@ -29,7 +29,6 @@
 #include <linux/gpio.h>
 #include <linux/usb/otg.h>
 #include <linux/usb/ulpi.h>
-#include <linux/fsl_devices.h>
 
 #include <asm/mach/arch.h>
 #include <asm/mach-types.h>
@@ -297,7 +296,7 @@ static struct mxc_usbh_platform_data usbh2_pdata __initdata = {
 };
 #endif
 
-static struct fsl_usb2_platform_data otg_device_pdata = {
+static const struct fsl_usb2_platform_data otg_device_pdata __initconst = {
        .operating_mode = FSL_USB2_DR_DEVICE,
        .phy_mode       = FSL_USB2_PHY_ULPI,
 };
@@ -419,7 +418,7 @@ static void __init pca100_init(void)
 #endif
        if (!otg_mode_host) {
                gpio_set_value(OTG_PHY_CS_GPIO, 0);
-               mxc_register_device(&mxc_otg_udc_device, &otg_device_pdata);
+               imx27_add_fsl_usb2_udc(&otg_device_pdata);
        }
 
        imx27_add_imx_fb(&pca100_fb_data);

diff --git a/arch/arm/plat-mxc/devices/Kconfig b/arch/arm/plat-mxc/devices/Kconfig
index d2d096c..26196d9 100644 (file)
--- a/arch/arm/plat-mxc/devices/Kconfig
+++ b/arch/arm/plat-mxc/devices/Kconfig
@@ -9,6 +9,9 @@ config IMX_HAVE_PLATFORM_FLEXCAN
        select HAVE_CAN_FLEXCAN if CAN
        bool
 
+config IMX_HAVE_PLATFORM_FSL_USB2_UDC
+       bool
+
 config IMX_HAVE_PLATFORM_GPIO_KEYS
        bool
        default y if ARCH_MX51

diff --git a/arch/arm/plat-mxc/devices/Makefile b/arch/arm/plat-mxc/devices/Makefile
index c8734bd..e40897e 100644 (file)
--- a/arch/arm/plat-mxc/devices/Makefile
+++ b/arch/arm/plat-mxc/devices/Makefile
@@ -1,6 +1,7 @@
 obj-$(CONFIG_IMX_HAVE_PLATFORM_ESDHC) += platform-esdhc.o
 obj-$(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_IMX2_WDT) += platform-imx2-wdt.o
 obj-y += platform-imx-dma.o

diff --git a/arch/arm/plat-mxc/devices/platform-fsl-usb2-udc.c b/arch/arm/plat-mxc/devices/platform-fsl-usb2-udc.c
new file mode 100644 (file)
index 0000000..3116f9a
--- /dev/null
+++ b/arch/arm/plat-mxc/devices/platform-fsl-usb2-udc.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_fsl_usb2_udc_data_entry_single(soc)                                \
+       {                                                               \
+               .iobase = soc ## _USB_OTG_BASE_ADDR,                    \
+               .irq = soc ## _INT_USB_OTG,                             \
+       }
+
+#ifdef CONFIG_SOC_IMX27
+const struct imx_fsl_usb2_udc_data imx27_fsl_usb2_udc_data __initconst =
+       imx_fsl_usb2_udc_data_entry_single(MX27);
+#endif /* ifdef CONFIG_SOC_IMX27 */
+
+struct platform_device *__init imx_add_fsl_usb2_udc(
+               const struct imx_fsl_usb2_udc_data *data,
+               const struct fsl_usb2_platform_data *pdata)
+{
+       struct resource res[] = {
+               {
+                       .start = data->iobase,
+                       .end = data->iobase + SZ_512 - 1,
+                       .flags = IORESOURCE_MEM,
+               }, {
+                       .start = data->irq,
+                       .end = data->irq,
+                       .flags = IORESOURCE_IRQ,
+               },
+       };
+       return imx_add_platform_device_dmamask("fsl-usb2-udc", -1,
+                       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 7df7a9f..f01fd28 100644 (file)
--- a/arch/arm/plat-mxc/include/mach/devices-common.h
+++ b/arch/arm/plat-mxc/include/mach/devices-common.h
@@ -44,6 +44,15 @@ struct platform_device *__init imx_add_flexcan(
                const struct imx_flexcan_data *data,
                const struct flexcan_platform_data *pdata);
 
+#include <linux/fsl_devices.h>
+struct imx_fsl_usb2_udc_data {
+       resource_size_t iobase;
+       resource_size_t irq;
+};
+struct platform_device *__init imx_add_fsl_usb2_udc(
+               const struct imx_fsl_usb2_udc_data *data,
+               const struct fsl_usb2_platform_data *pdata);
+
 #include <linux/gpio_keys.h>
 struct platform_device *__init imx_add_gpio_keys(
                const struct gpio_keys_platform_data *pdata);