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Commit 11dd2d9a authored by Marek Vasut's avatar Marek Vasut Committed by Eric Miao
Browse files

[ARM] pxa/colibri320: Add UDC support 



Add support for PXA UDC.

Signed-off-by: default avatarMarek Vasut <marek.vasut@gmail.com>
Signed-off-by: default avatarEric Miao <eric.y.miao@gmail.com>
parent 320bbb86

arch/arm/mach-pxa/colibri-pxa320.c

+40 −0
Original line number Diff line number Diff line
@@ -16,6 +16,7 @@ 
#include <linux/platform_device.h>

#include <linux/gpio.h>

#include <linux/interrupt.h>

#include <linux/usb/gpio_vbus.h>



#include <asm/mach-types.h>

#include <asm/sizes.h>
@@ -28,6 +29,8 @@ 
#include <mach/pxafb.h>

#include <mach/ohci.h>

#include <mach/audio.h>

#include <mach/pxa27x-udc.h>

#include <mach/udc.h>



#include "generic.h"

#include "devices.h"
@@ -101,6 +104,42 @@ void __init colibri_pxa320_init_ohci(void) 
static inline void colibri_pxa320_init_ohci(void) {}

#endif /* CONFIG_USB_OHCI_HCD || CONFIG_USB_OHCI_HCD_MODULE */



#if defined(CONFIG_USB_GADGET_PXA27X)||defined(CONFIG_USB_GADGET_PXA27X_MODULE)

static struct gpio_vbus_mach_info colibri_pxa320_gpio_vbus_info = {

	.gpio_vbus		= mfp_to_gpio(MFP_PIN_GPIO96),

	.gpio_pullup		= -1,

};



static struct platform_device colibri_pxa320_gpio_vbus = {

	.name	= "gpio-vbus",

	.id	= -1,

	.dev	= {

		.platform_data	= &colibri_pxa320_gpio_vbus_info,

	},

};



static void colibri_pxa320_udc_command(int cmd)

{

	if (cmd == PXA2XX_UDC_CMD_CONNECT)

		UP2OCR = UP2OCR_HXOE | UP2OCR_DPPUE;

	else if (cmd == PXA2XX_UDC_CMD_DISCONNECT)

		UP2OCR = UP2OCR_HXOE;

}



static struct pxa2xx_udc_mach_info colibri_pxa320_udc_info __initdata = {

	.udc_command		= colibri_pxa320_udc_command,

	.gpio_pullup		= -1,

};



static void __init colibri_pxa320_init_udc(void)

{

	pxa_set_udc_info(&colibri_pxa320_udc_info);

	platform_device_register(&colibri_pxa320_gpio_vbus);

}

#else

static inline void colibri_pxa320_init_udc(void) {}

#endif



static mfp_cfg_t colibri_pxa320_mmc_pin_config[] __initdata = {

	GPIO22_MMC1_CLK,

	GPIO23_MMC1_CMD,
@@ -212,6 +251,7 @@ void __init colibri_pxa320_init(void) 
	colibri_pxa3xx_init_mmc(ARRAY_AND_SIZE(colibri_pxa320_mmc_pin_config),

				mfp_to_gpio(MFP_PIN_GPIO28));

	colibri_pxa320_init_uart();

	colibri_pxa320_init_udc();

}



MACHINE_START(COLIBRI320, "Toradex Colibri PXA320")