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

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
hifive-unleashed-5.1
Uwe Kleine-König 2010-11-09 17:52:14 +01:00
parent 2eb42d5c28
commit bd455ed36c
10 changed files with 64 additions and 35 deletions
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2
arch/arm/mach-imx/Kconfig
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@ -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

4
arch/arm/mach-imx/devices-imx27.h
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@ -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)

28
arch/arm/mach-imx/devices.c
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@ -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) \

1
arch/arm/mach-imx/devices.h
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@ -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

5
arch/arm/mach-imx/mach-cpuimx27.c
View File

@ -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();

5
arch/arm/mach-imx/mach-pca100.c
View File

@ -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);

3
arch/arm/plat-mxc/devices/Kconfig
View File

@ -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

1
arch/arm/plat-mxc/devices/Makefile
View File

@ -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

41
arch/arm/plat-mxc/devices/platform-fsl-usb2-udc.c 100644
View File

@ -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));
}

9
arch/arm/plat-mxc/include/mach/devices-common.h
View File

@ -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);