diff options
| author |   Bob Liu <lliubbo@gmail.com> | 2010-10-23 05:12:01 -0500 |
|---|---|---|
| committer |   Felipe Balbi <balbi@ti.com> | 2010-11-05 14:13:32 +0200 |
| commit | 9c7564620f82e55a9c8713311bffd401ec9d60fe (patch) | |
| tree | 428c66c3414766bd7326eaf56e31542c26cf6b24 | |
| parent | USB: musb: blackfin: fix dynamic device<->host changing (diff) | |
| download | linux-dev-9c7564620f82e55a9c8713311bffd401ec9d60fe.tar.xz linux-dev-9c7564620f82e55a9c8713311bffd401ec9d60fe.zip | |
USB: musb: blackfin: push clkin value to platform resources
In order to not touch the driver file for different xtal usage,
push the clkin value to board file and calculate the register
value instead of hardcoding it.
Signed-off-by: Bob Liu <lliubbo@gmail.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Felipe Balbi <balbi@ti.com>
| -rw-r--r-- | drivers/usb/musb/blackfin.c | 3 | ||||
| -rw-r--r-- | include/linux/usb/musb.h | 2 |
2 files changed, 4 insertions, 1 deletions
diff --git a/drivers/usb/musb/blackfin.c b/drivers/usb/musb/blackfin.c index ade45a219c47..fcb5206a65bd 100644 --- a/drivers/usb/musb/blackfin.c +++ b/drivers/usb/musb/blackfin.c @@ -337,7 +337,8 @@ static void musb_platform_reg_init(struct musb *musb) } /* Configure PLL oscillator register */ - bfin_write_USB_PLLOSC_CTRL(0x30a8); + bfin_write_USB_PLLOSC_CTRL(0x3080 | + ((480/musb->config->clkin) << 1)); SSYNC(); bfin_write_USB_SRP_CLKDIV((get_sclk()/1000) / 32 - 1); diff --git a/include/linux/usb/musb.h b/include/linux/usb/musb.h index ee2dd1d506ed..2387f9fc8138 100644 --- a/include/linux/usb/musb.h +++ b/include/linux/usb/musb.h @@ -89,6 +89,8 @@ struct musb_hdrc_config { /* A GPIO controlling VRSEL in Blackfin */ unsigned int gpio_vrsel; unsigned int gpio_vrsel_active; + /* musb CLKIN in Blackfin in MHZ */ + unsigned char clkin; #endif }; |