diff options
Diffstat (limited to 'drivers/mfd')
| -rw-r--r-- | drivers/mfd/tc6393xb.c | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/drivers/mfd/tc6393xb.c b/drivers/mfd/tc6393xb.c index c3c64ae..6197db7 100644 --- a/drivers/mfd/tc6393xb.c +++ b/drivers/mfd/tc6393xb.c @@ -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), |
