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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>
This commit is contained in:
Bob Liu 2010-10-23 05:12:01 -05:00 committed by Felipe Balbi
parent 68f64714dc
commit 9c7564620f
2 changed files with 4 additions and 1 deletions
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3
drivers/usb/musb/blackfin.c
View File

@ -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);

2
include/linux/usb/musb.h
View File

@ -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
};