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Commit 3d98f881 authored by Marek Vasut's avatar Marek Vasut Committed by Eric Miao
Browse files

[ARM] pxa/vpac270: UDC and UHC support 



NOTE:
I wasn't able to get it running without reseting the HXOE (so it's there based
on my tests with the hardware). I'll have to investigate it properly when I have
more time.

Signed-off-by: default avatarMarek Vasut <marek.vasut@gmail.com>
Reviewed-by: default avatarRobert Jarzmik <robert.jarzmik@free.fr>
Signed-off-by: default avatarEric Miao <eric.y.miao@gmail.com>
parent addff0fa

arch/arm/mach-pxa/include/mach/vpac270.h

+1 −0
Original line number Diff line number Diff line
@@ -31,4 +31,5 @@ 
#define	GPIO12_VPAC270_CF_RDY		12

#define	GPIO16_VPAC270_CF_RESET		16



#define	GPIO41_VPAC270_UDC_DETECT	41

#endif

arch/arm/mach-pxa/vpac270.c

+78 −0
Original line number Diff line number Diff line
@@ -17,6 +17,7 @@ 
#include <linux/input.h>

#include <linux/gpio.h>

#include <linux/sysdev.h>

#include <linux/usb/gpio_vbus.h>

#include <linux/mtd/mtd.h>

#include <linux/mtd/partitions.h>

#include <linux/mtd/physmap.h>
@@ -28,6 +29,9 @@ 
#include <mach/vpac270.h>

#include <mach/mmc.h>

#include <mach/pxafb.h>

#include <mach/ohci.h>

#include <mach/pxa27x-udc.h>

#include <mach/udc.h>



#include "generic.h"

#include "devices.h"
@@ -105,6 +109,14 @@ static unsigned long vpac270_pin_config[] __initdata = { 
	GPIO12_GPIO,	/* CF RDY */

	GPIO16_GPIO,	/* CF RESET */



	/* UHC */

	GPIO88_USBH1_PWR,

	GPIO89_USBH1_PEN,

	GPIO119_USBH2_PWR,

	GPIO120_USBH2_PEN,



	/* UDC */

	GPIO41_GPIO,

};



/******************************************************************************
@@ -232,6 +244,70 @@ static void __init vpac270_leds_init(void) 
static inline void vpac270_leds_init(void) {}

#endif



/******************************************************************************

 * USB Host

 ******************************************************************************/

#if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)

static int vpac270_ohci_init(struct device *dev)

{

	UP2OCR = UP2OCR_HXS | UP2OCR_HXOE | UP2OCR_DPPDE | UP2OCR_DMPDE;

	return 0;

}



static struct pxaohci_platform_data vpac270_ohci_info = {

	.port_mode	= PMM_PERPORT_MODE,

	.flags		= ENABLE_PORT1 | ENABLE_PORT2 |

			POWER_CONTROL_LOW | POWER_SENSE_LOW,

	.init		= vpac270_ohci_init,

};



static void __init vpac270_uhc_init(void)

{

	pxa_set_ohci_info(&vpac270_ohci_info);

}

#else

static inline void vpac270_uhc_init(void) {}

#endif



/******************************************************************************

 * USB Gadget

 ******************************************************************************/

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

static struct gpio_vbus_mach_info vpac270_gpio_vbus_info = {

	.gpio_vbus		= GPIO41_VPAC270_UDC_DETECT,

	.gpio_pullup		= -1,

};



static struct platform_device vpac270_gpio_vbus = {

	.name	= "gpio-vbus",

	.id	= -1,

	.dev	= {

		.platform_data	= &vpac270_gpio_vbus_info,

	},

};



static void vpac270_udc_command(int cmd)

{

	if (cmd == PXA2XX_UDC_CMD_CONNECT)

		UP2OCR |= UP2OCR_HXOE | UP2OCR_DPPUE | UP2OCR_DPPUBE;

	else if (cmd == PXA2XX_UDC_CMD_DISCONNECT)

		UP2OCR &= ~(UP2OCR_HXOE | UP2OCR_DPPUE | UP2OCR_DPPUBE);

}



static struct pxa2xx_udc_mach_info vpac270_udc_info __initdata = {

	.udc_command		= vpac270_udc_command,

	.gpio_pullup		= -1,

};



static void __init vpac270_udc_init(void)

{

	pxa_set_udc_info(&vpac270_udc_info);

	platform_device_register(&vpac270_gpio_vbus);

}

#else

static inline void vpac270_udc_init(void) {}

#endif



/******************************************************************************

 * Framebuffer

 ******************************************************************************/
@@ -312,6 +388,8 @@ static void __init vpac270_init(void) 
	vpac270_nor_init();

	vpac270_leds_init();

	vpac270_keys_init();

	vpac270_uhc_init();

	vpac270_udc_init();

}



MACHINE_START(VPAC270, "Voipac PXA270")