phy: omap-usb2: Use generic clock names "wkupclk" and "refclk"

As clocks might be named differently on multiple platforms, use a generic
name in the driver and allow device tree node to specify the platform
specific clock name.

Reviewed-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Roger Quadros <rogerq@ti.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>

1 files changed, 23 insertions, 7 deletions

diff --git a/drivers/phy/phy-omap-usb2.c b/drivers/phy/phy-omap-usb2.c
index a2205a841e5e..7007c11fe07d 100644
--- a/drivers/phy/phy-omap-usb2.c
+++ b/drivers/phy/phy-omap-usb2.c
@@ -275,18 +275,34 @@ static int omap_usb2_probe(struct platform_device *pdev)
         if (IS_ERR(phy_provider))
                 return PTR_ERR(phy_provider);
 
-        phy->wkupclk = devm_clk_get(phy->dev, "usb_phy_cm_clk32k");
+        phy->wkupclk = devm_clk_get(phy->dev, "wkupclk");
         if (IS_ERR(phy->wkupclk)) {
-                dev_err(&pdev->dev, "unable to get usb_phy_cm_clk32k\n");
-                return PTR_ERR(phy->wkupclk);
+                dev_warn(&pdev->dev, "unable to get wkupclk, trying old name\n");
+                phy->wkupclk = devm_clk_get(phy->dev, "usb_phy_cm_clk32k");
+                if (IS_ERR(phy->wkupclk)) {
+                        dev_err(&pdev->dev, "unable to get usb_phy_cm_clk32k\n");
+                        return PTR_ERR(phy->wkupclk);
+                } else {
+                        dev_warn(&pdev->dev,
+                                 "found usb_phy_cm_clk32k, please fix DTS\n");
+                }
         }
         clk_prepare(phy->wkupclk);
 
-        phy->optclk = devm_clk_get(phy->dev, "usb_otg_ss_refclk960m");
-        if (IS_ERR(phy->optclk))
-                dev_vdbg(&pdev->dev, "unable to get refclk960m\n");
-        else
+        phy->optclk = devm_clk_get(phy->dev, "refclk");
+        if (IS_ERR(phy->optclk)) {
+                dev_dbg(&pdev->dev, "unable to get refclk, trying old name\n");
+                phy->optclk = devm_clk_get(phy->dev, "usb_otg_ss_refclk960m");
+                if (IS_ERR(phy->optclk)) {
+                        dev_dbg(&pdev->dev,
+                                "unable to get usb_otg_ss_refclk960m\n");
+                } else {
+                        dev_warn(&pdev->dev,
+                                 "found usb_otg_ss_refclk960m, please fix DTS\n");
+                }
+        } else {
                 clk_prepare(phy->optclk);
+        }
 
         usb_add_phy_dev(&phy->phy);