Commit 51a55623 authored by Dmitry Baryshkov's avatar Dmitry Baryshkov Committed by Samuel Ortiz
Browse files

mfd: add OHCI cell to tc6393xb 



Add information regarding OHCI cell of the tc6393xb

Signed-off-by: default avatarDmitry Baryshkov <dbaryshkov@gmail.com>
Acked-by: default avatarIan Molton <spyro@f2s.com>
Signed-off-by: default avatarSamuel Ortiz <sameo@openedhand.com>
parent 504f97f8

drivers/mfd/tc6393xb.c

+87 −0
Original line number Diff line number Diff line
@@ -113,6 +113,7 @@ struct tc6393xb { 
enum {

	TC6393XB_CELL_NAND,

	TC6393XB_CELL_MMC,

	TC6393XB_CELL_OHCI,

};



/*--------------------------------------------------------------------------*/
@@ -170,6 +171,78 @@ static struct resource __devinitdata tc6393xb_mmc_resources[] = { 
	},

};



const static struct resource tc6393xb_ohci_resources[] = {

	{

		.start	= 0x3000,

		.end	= 0x31ff,

		.flags	= IORESOURCE_MEM,

	},

	{

		.start	= 0x0300,

		.end	= 0x03ff,

		.flags	= IORESOURCE_MEM,

	},

	{

		.start	= 0x010000,

		.end	= 0x017fff,

		.flags	= IORESOURCE_MEM,

	},

	{

		.start	= 0x018000,

		.end	= 0x01ffff,

		.flags	= IORESOURCE_MEM,

	},

	{

		.start	= IRQ_TC6393_OHCI,

		.end	= IRQ_TC6393_OHCI,

		.flags	= IORESOURCE_IRQ,

	},

};



static int tc6393xb_ohci_enable(struct platform_device *dev)

{

	struct tc6393xb *tc6393xb = dev_get_drvdata(dev->dev.parent);

	unsigned long flags;

	u16 ccr;

	u8 fer;



	spin_lock_irqsave(&tc6393xb->lock, flags);



	ccr = tmio_ioread16(tc6393xb->scr + SCR_CCR);

	ccr |= SCR_CCR_USBCK;

	tmio_iowrite16(ccr, tc6393xb->scr + SCR_CCR);



	fer = tmio_ioread8(tc6393xb->scr + SCR_FER);

	fer |= SCR_FER_USBEN;

	tmio_iowrite8(fer, tc6393xb->scr + SCR_FER);



	spin_unlock_irqrestore(&tc6393xb->lock, flags);



	return 0;

}



static int tc6393xb_ohci_disable(struct platform_device *dev)

{

	struct tc6393xb *tc6393xb = dev_get_drvdata(dev->dev.parent);

	unsigned long flags;

	u16 ccr;

	u8 fer;



	spin_lock_irqsave(&tc6393xb->lock, flags);



	fer = tmio_ioread8(tc6393xb->scr + SCR_FER);

	fer &= ~SCR_FER_USBEN;

	tmio_iowrite8(fer, tc6393xb->scr + SCR_FER);



	ccr = tmio_ioread16(tc6393xb->scr + SCR_CCR);

	ccr &= ~SCR_CCR_USBCK;

	tmio_iowrite16(ccr, tc6393xb->scr + SCR_CCR);



	spin_unlock_irqrestore(&tc6393xb->lock, flags);



	return 0;

}



static struct mfd_cell __devinitdata tc6393xb_cells[] = {

	[TC6393XB_CELL_NAND] = {

		.name = "tmio-nand",
@@ -182,6 +255,15 @@ static struct mfd_cell __devinitdata tc6393xb_cells[] = { 
		.num_resources = ARRAY_SIZE(tc6393xb_mmc_resources),

		.resources = tc6393xb_mmc_resources,

	},

	[TC6393XB_CELL_OHCI] = {

		.name = "tmio-ohci",

		.num_resources = ARRAY_SIZE(tc6393xb_ohci_resources),

		.resources = tc6393xb_ohci_resources,

		.enable = tc6393xb_ohci_enable,

		.suspend = tc6393xb_ohci_disable,

		.resume = tc6393xb_ohci_enable,

		.disable = tc6393xb_ohci_disable,

	},

};



/*--------------------------------------------------------------------------*/
@@ -470,6 +552,11 @@ static int __devinit tc6393xb_probe(struct platform_device *dev) 
	tc6393xb_cells[TC6393XB_CELL_MMC].data_size =

		sizeof(tc6393xb_cells[TC6393XB_CELL_MMC]);



	tc6393xb_cells[TC6393XB_CELL_OHCI].platform_data =

		&tc6393xb_cells[TC6393XB_CELL_OHCI];

	tc6393xb_cells[TC6393XB_CELL_OHCI].data_size =

		sizeof(tc6393xb_cells[TC6393XB_CELL_OHCI]);





	ret = mfd_add_devices(&dev->dev, dev->id,

			tc6393xb_cells, ARRAY_SIZE(tc6393xb_cells),

include/linux/mfd/tc6393xb.h

+1 −0
Original line number Diff line number Diff line
@@ -44,6 +44,7 @@ struct tc6393xb_platform_data { 
 */

#define	IRQ_TC6393_NAND		0

#define	IRQ_TC6393_MMC		1

#define	IRQ_TC6393_OHCI		2



#define	TC6393XB_NR_IRQS	8