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mfd: add OHCI cell to tc6393xb 

Add information regarding OHCI cell of the tc6393xb

Signed-off-by: Dmitry Baryshkov <dbaryshkov@gmail.com>
Acked-by: Ian Molton <spyro@f2s.com>
Signed-off-by: Samuel Ortiz <sameo@openedhand.com>
This commit is contained in:
Dmitry Baryshkov 2008-10-03 20:11:36 +02:00 committed by Samuel Ortiz
parent 504f97f884
commit 51a5562356
2 changed files with 88 additions and 0 deletions
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87
drivers/mfd/tc6393xb.c
View File

@ -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),

1
include/linux/mfd/tc6393xb.h
View File

@ -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