diff options
Diffstat (limited to 'arch/arm/mach-omap2/board-omap4panda.c')
| -rw-r--r-- | arch/arm/mach-omap2/board-omap4panda.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/arch/arm/mach-omap2/board-omap4panda.c b/arch/arm/mach-omap2/board-omap4panda.c index 3094e200784..e001a048dc0 100644 --- a/arch/arm/mach-omap2/board-omap4panda.c +++ b/arch/arm/mach-omap2/board-omap4panda.c @@ -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_platform_data ehci_pdata __initconst = { 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"); |