===================================================================
@@ -19,6 +19,7 @@
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/platform_device.h>
+#include <linux/clk.h>
#include <linux/io.h>
#include <linux/leds.h>
#include <linux/gpio.h>
@@ -95,7 +96,16 @@ static const struct ehci_hcd_omap_platfo
static void __init omap4_ehci_init(void)
{
int ret;
+ struct clk *phy_ref_clk;
+ /* FREF_CLK3 provides the 19.2 MHz reference clock to the PHY */
+ phy_ref_clk = clk_get(NULL, "auxclk3_ck");
+ if (IS_ERR(phy_ref_clk)) {
+ pr_err("Cannot request auxclk3\n");
+ goto error1;
+ }
+ clk_set_rate(phy_ref_clk, 19200000);
+ clk_enable(phy_ref_clk);
/* disable the power to the usb hub prior to init */
ret = gpio_request(GPIO_HUB_POWER, "hub_power");