usb: add clock support for generic EHCI
This driver is designed in a generic manner, so clocks should be
handled genericly as well.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
diff --git a/drivers/usb/host/ehci-generic.c b/drivers/usb/host/ehci-generic.c
index 1292caa..84114c5 100644
--- a/drivers/usb/host/ehci-generic.c
+++ b/drivers/usb/host/ehci-generic.c
@@ -5,6 +5,7 @@
*/
#include <common.h>
+#include <clk.h>
#include <dm.h>
#include "ehci.h"
@@ -21,6 +22,19 @@
{
struct ehci_hccr *hccr = (struct ehci_hccr *)dev_get_addr(dev);
struct ehci_hcor *hcor;
+ int i;
+
+ for (i = 0; ; i++) {
+ struct udevice *clk_dev;
+ int clk_id;
+
+ clk_id = clk_get_by_index(dev, i, &clk_dev);
+ if (clk_id < 0)
+ break;
+ if (clk_enable(clk_dev, clk_id))
+ printf("failed to enable clock (dev=%s, id=%d)\n",
+ clk_dev->name, clk_id);
+ }
hcor = (struct ehci_hcor *)((uintptr_t)hccr +
HC_LENGTH(ehci_readl(&hccr->cr_capbase)));