diff options
Diffstat (limited to 'arch/blackfin/mach-bf537/boards/cm_bf537u.c')
| -rw-r--r-- | arch/blackfin/mach-bf537/boards/cm_bf537u.c | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/arch/blackfin/mach-bf537/boards/cm_bf537u.c b/arch/blackfin/mach-bf537/boards/cm_bf537u.c index cbb8098604c5..e1b7287084f8 100644 --- a/arch/blackfin/mach-bf537/boards/cm_bf537u.c +++ b/arch/blackfin/mach-bf537/boards/cm_bf537u.c @@ -731,6 +731,36 @@ static struct platform_device *cm_bf537u_devices[] __initdata = { #endif }; +static int __init net2272_init(void) +{ +#if defined(CONFIG_USB_NET2272) || defined(CONFIG_USB_NET2272_MODULE) + int ret; + + ret = gpio_request(GPIO_PH15, driver_name); + if (ret) + return ret; + + ret = gpio_request(GPIO_PH13, "net2272"); + if (ret) { + gpio_free(GPIO_PH15); + return ret; + } + + /* Set PH15 Low make /AMS2 work properly */ + gpio_direction_output(GPIO_PH15, 0); + + /* enable CLKBUF output */ + bfin_write_VR_CTL(bfin_read_VR_CTL() | CLKBUFOE); + + /* Reset the USB chip */ + gpio_direction_output(GPIO_PH13, 0); + mdelay(2); + gpio_set_value(GPIO_PH13, 1); +#endif + + return 0; +} + static int __init cm_bf537u_init(void) { printk(KERN_INFO "%s(): registering device resources\n", __func__); @@ -742,6 +772,10 @@ static int __init cm_bf537u_init(void) #if defined(CONFIG_PATA_PLATFORM) || defined(CONFIG_PATA_PLATFORM_MODULE) irq_set_status_flags(PATA_INT, IRQ_NOAUTOEN); #endif + + if (net2272_init()) + pr_warning("unable to configure net2272; it probably won't work\n"); + return 0; } |