usb: ehci-sh: Add PHY init function with platform data
In devices using ehci-sh, initialization of the PHY may be necessary.
This adds platform data to ehci-sh and provide function to initialize PHY.
Signed-off-by: Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com>
CC: Shimoda, Yoshihiro <yoshihiro.shimoda.uh@renesas.com>
Acked-by: Paul Mundt <lethal@linux-sh.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/drivers/usb/host/ehci-sh.c b/drivers/usb/host/ehci-sh.c
index 9d9cf47..ca819cd 100644
--- a/drivers/usb/host/ehci-sh.c
+++ b/drivers/usb/host/ehci-sh.c
@@ -11,6 +11,7 @@
*/
#include <linux/platform_device.h>
#include <linux/clk.h>
+#include <linux/platform_data/ehci-sh.h>
struct ehci_sh_priv {
struct clk *iclk, *fclk;
@@ -100,6 +101,7 @@
const struct hc_driver *driver = &ehci_sh_hc_driver;
struct resource *res;
struct ehci_sh_priv *priv;
+ struct ehci_sh_platdata *pdata;
struct usb_hcd *hcd;
int irq, ret;
@@ -124,6 +126,9 @@
goto fail_create_hcd;
}
+ if (pdev->dev.platform_data != NULL)
+ pdata = pdev->dev.platform_data;
+
/* initialize hcd */
hcd = usb_create_hcd(&ehci_sh_hc_driver, &pdev->dev,
dev_name(&pdev->dev));
@@ -168,6 +173,9 @@
clk_enable(priv->fclk);
clk_enable(priv->iclk);
+ if (pdata && pdata->phy_init)
+ pdata->phy_init();
+
ret = usb_add_hcd(hcd, irq, IRQF_SHARED);
if (ret != 0) {
dev_err(&pdev->dev, "Failed to add hcd");