mvebu: add xhci phy support

Signed-off-by: Imre Kaloz <kaloz@openwrt.org>

SVN-Revision: 45629

target/linux/mvebu/patches-3.18/700-usb_xhci_plat_phy_support.patch

@@ -0,0 +1,47 @@
+--- a/drivers/usb/host/xhci-plat.c
++++ b/drivers/usb/host/xhci-plat.c
+@@ -16,6 +16,7 @@
+ #include <linux/module.h>
+ #include <linux/of.h>
+ #include <linux/platform_device.h>
++#include <linux/usb/phy.h>
+ #include <linux/slab.h>
+ #include <linux/usb/xhci_pdriver.h>
+ 
+@@ -158,12 +159,27 @@ static int xhci_plat_probe(struct platfo
+ 	if (HCC_MAX_PSA(xhci->hcc_params) >= 4)
+ 		xhci->shared_hcd->can_do_streams = 1;
+ 
++	hcd->usb_phy = devm_usb_get_phy_by_phandle(&pdev->dev, "usb-phy", 0);
++	if (IS_ERR(hcd->usb_phy)) {
++		ret = PTR_ERR(hcd->usb_phy);
++		if (ret == -EPROBE_DEFER)
++			goto put_usb3_hcd;
++		hcd->usb_phy = NULL;
++	} else {
++		ret = usb_phy_init(hcd->usb_phy);
++		if (ret)
++			goto put_usb3_hcd;
++	}
++
+ 	ret = usb_add_hcd(xhci->shared_hcd, irq, IRQF_SHARED);
+ 	if (ret)
+-		goto put_usb3_hcd;
++		goto disable_usb_phy;
+ 
+ 	return 0;
+ 
++disable_usb_phy:
++	usb_phy_shutdown(hcd->usb_phy);
++
+ put_usb3_hcd:
+ 	usb_put_hcd(xhci->shared_hcd);
+ 
+@@ -187,6 +203,7 @@ static int xhci_plat_remove(struct platf
+ 	struct clk *clk = xhci->clk;
+ 
+ 	usb_remove_hcd(xhci->shared_hcd);
++	usb_phy_shutdown(hcd->usb_phy);
+ 	usb_put_hcd(xhci->shared_hcd);
+ 
+ 	usb_remove_hcd(hcd);

target/linux/mvebu/patches-4.0/700-usb_xhci_plat_phy_support.patch

@@ -0,0 +1,47 @@
+--- a/drivers/usb/host/xhci-plat.c
++++ b/drivers/usb/host/xhci-plat.c
+@@ -16,6 +16,7 @@
+ #include <linux/module.h>
+ #include <linux/of.h>
+ #include <linux/platform_device.h>
++#include <linux/usb/phy.h>
+ #include <linux/slab.h>
+ #include <linux/usb/xhci_pdriver.h>
+ 
+@@ -155,12 +156,27 @@ static int xhci_plat_probe(struct platfo
+ 	if (HCC_MAX_PSA(xhci->hcc_params) >= 4)
+ 		xhci->shared_hcd->can_do_streams = 1;
+ 
++	hcd->usb_phy = devm_usb_get_phy_by_phandle(&pdev->dev, "usb-phy", 0);
++	if (IS_ERR(hcd->usb_phy)) {
++		ret = PTR_ERR(hcd->usb_phy);
++		if (ret == -EPROBE_DEFER)
++			goto put_usb3_hcd;
++		hcd->usb_phy = NULL;
++	} else {
++		ret = usb_phy_init(hcd->usb_phy);
++		if (ret)
++			goto put_usb3_hcd;
++	}
++
+ 	ret = usb_add_hcd(xhci->shared_hcd, irq, IRQF_SHARED);
+ 	if (ret)
+-		goto put_usb3_hcd;
++		goto disable_usb_phy;
+ 
+ 	return 0;
+ 
++disable_usb_phy:
++	usb_phy_shutdown(hcd->usb_phy);
++
+ put_usb3_hcd:
+ 	usb_put_hcd(xhci->shared_hcd);
+ 
+@@ -184,6 +200,7 @@ static int xhci_plat_remove(struct platf
+ 	struct clk *clk = xhci->clk;
+ 
+ 	usb_remove_hcd(xhci->shared_hcd);
++	usb_phy_shutdown(hcd->usb_phy);
+ 	usb_put_hcd(xhci->shared_hcd);
+ 
+ 	usb_remove_hcd(hcd);