From 38e0745e4ddcf0b26fdc609ced835e67bf343689 Mon Sep 17 00:00:00 2001 From: Mike Frysinger Date: Thu, 17 Mar 2011 17:35:00 -0400 Subject: [PATCH] usb: musb: blackfin: make clkin configurable Not everyone has a 24MHz clkin to the USB, so let board porters override. Signed-off-by: Mike Frysinger --- drivers/usb/musb/blackfin_usb.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/drivers/usb/musb/blackfin_usb.c b/drivers/usb/musb/blackfin_usb.c index 38aceb2e93..0eb19a0924 100644 --- a/drivers/usb/musb/blackfin_usb.c +++ b/drivers/usb/musb/blackfin_usb.c @@ -15,6 +15,10 @@ #include "musb_core.h" +#ifndef CONFIG_USB_BLACKFIN_CLKIN +#define CONFIG_USB_BLACKFIN_CLKIN 24 +#endif + /* MUSB platform configuration */ struct musb_config musb_cfg = { .regs = (struct musb_regs *)USB_FADDR, @@ -109,7 +113,8 @@ int musb_platform_init(void) } /* Configure PLL oscillator register */ - bfin_write_USB_PLLOSC_CTRL(0x30a8); + bfin_write_USB_PLLOSC_CTRL(0x3080 | + ((480 / CONFIG_USB_BLACKFIN_CLKIN) << 1)); SSYNC(); bfin_write_USB_SRP_CLKDIV((get_sclk()/1000) / 32 - 1); -- 2.39.5