[PATCH 1/7] usb: ehci: Handle clocks and phys

[Sascha Hauer <s.hauer@pengutronix.de>]

The generic ehci binding also describes clocks and a phy. Add support
for these properties to the driver.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
---
 drivers/usb/host/ehci-hcd.c | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)

diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c
index 8c4da9fd12..4dd4d1dddb 100644
--- a/drivers/usb/host/ehci-hcd.c
+++ b/drivers/usb/host/ehci-hcd.c
@@ -32,6 +32,8 @@
 #include <usb/ehci.h>
 #include <linux/err.h>
 #include <linux/sizes.h>
+#include <linux/clk.h>
+#include <linux/phy/phy.h>
 
 #include "ehci.h"
 
@@ -1413,6 +1415,9 @@ static int ehci_probe(struct device_d *dev)
 	struct ehci_platform_data *pdata = dev->platform_data;
 	struct device_node *dn = dev->device_node;
 	struct ehci_host *ehci;
+	struct clk_bulk_data *clks;
+	int num_clocks, ret;
+	struct phy *usb2_generic_phy;
 
 	if (pdata)
 		data.flags = pdata->flags;
@@ -1440,6 +1445,27 @@ static int ehci_probe(struct device_d *dev)
 	else
 		data.hcor = NULL;
 
+	usb2_generic_phy = phy_optional_get(dev, "usb");
+	if (IS_ERR(usb2_generic_phy))
+		return PTR_ERR(usb2_generic_phy);
+
+	ret = phy_init(usb2_generic_phy);
+	if (ret)
+		return ret;
+
+	ret = phy_power_on(usb2_generic_phy);
+	if (ret)
+		return ret;
+
+	ret = clk_bulk_get_all(dev, &clks);
+	if (ret < 0)
+		return ret;
+
+	num_clocks = ret;
+	ret = clk_bulk_enable(num_clocks, clks);
+	if (ret)
+		return ret;
+
 	ehci = ehci_register(dev, &data);
 	if (IS_ERR(ehci))
 		return PTR_ERR(ehci);
-- 
2.29.2


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