diff options
| author | Felipe Balbi <balbi@ti.com> | 2011-09-06 07:56:51 (GMT) |
|---|---|---|
| committer | Felipe Balbi <balbi@ti.com> | 2011-09-09 10:05:30 (GMT) |
| commit | 4b5faa7aca64099d116db93d791b7a1f5c556c4a (patch) | |
| tree | 42b4c6c9d233576572e75a71492c281b1df8f05d /drivers | |
| parent | 55f3fba6c822f05b02f06070efaadf0300b5f9f1 (diff) | |
| download | linux-4b5faa7aca64099d116db93d791b7a1f5c556c4a.tar.xz | |
usb: dwc3: omap: set idle and standby modes
For now, let's disable IDLE and STANDBY transitions
until we have a real HW to validate against.
Signed-off-by: Felipe Balbi <balbi@ti.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/usb/dwc3/dwc3-omap.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/drivers/usb/dwc3/dwc3-omap.c b/drivers/usb/dwc3/dwc3-omap.c index 421b5db..72cc92b 100644 --- a/drivers/usb/dwc3/dwc3-omap.c +++ b/drivers/usb/dwc3/dwc3-omap.c @@ -76,8 +76,23 @@ /* SYSCONFIG REGISTER */ #define USBOTGSS_SYSCONFIG_DMADISABLE (1 << 16) #define USBOTGSS_SYSCONFIG_STANDBYMODE(x) ((x) << 4) + +#define USBOTGSS_STANDBYMODE_FORCE_STANDBY 0 +#define USBOTGSS_STANDBYMODE_NO_STANDBY 1 +#define USBOTGSS_STANDBYMODE_SMART_STANDBY 2 +#define USBOTGSS_STANDBYMODE_SMART_WAKEUP 3 + +#define USBOTGSS_STANDBYMODE_MASK (0x03 << 4) + #define USBOTGSS_SYSCONFIG_IDLEMODE(x) ((x) << 2) +#define USBOTGSS_IDLEMODE_FORCE_IDLE 0 +#define USBOTGSS_IDLEMODE_NO_IDLE 1 +#define USBOTGSS_IDLEMODE_SMART_IDLE 2 +#define USBOTGSS_IDLEMODE_SMART_WAKEUP 3 + +#define USBOTGSS_IDLEMODE_MASK (0x03 << 2) + /* IRQ_EOI REGISTER */ #define USBOTGSS_IRQ_EOI_LINE_NUMBER (1 << 0) @@ -270,6 +285,15 @@ static int __devinit dwc3_omap_probe(struct platform_device *pdev) reg = dwc3_readl(omap->base, USBOTGSS_SYSCONFIG); omap->dma_status = !!(reg & USBOTGSS_SYSCONFIG_DMADISABLE); + /* Set No-Idle and No-Standby */ + reg &= ~(USBOTGSS_STANDBYMODE_MASK + | USBOTGSS_IDLEMODE_MASK); + + reg |= (USBOTGSS_SYSCONFIG_STANDBYMODE(USBOTGSS_STANDBYMODE_NO_STANDBY) + | USBOTGSS_SYSCONFIG_IDLEMODE(USBOTGSS_IDLEMODE_NO_IDLE)); + + dwc3_writel(omap->base, USBOTGSS_SYSCONFIG, reg); + ret = request_irq(omap->irq, dwc3_omap_interrupt, 0, "dwc3-omap", omap); if (ret) { |