Add clock support to the gmii_to_rgmii IP.
Make clk optional to keep DTB backward compatibility.
Signed-off-by: Vineeth Karumanchi <vineeth.karumanchi@xxxxxxx>
---
drivers/net/phy/xilinx_gmii2rgmii.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/drivers/net/phy/xilinx_gmii2rgmii.c b/drivers/net/phy/xilinx_gmii2rgmii.c
index 7b1bc5fcef9b..7c51daecf18e 100644
--- a/drivers/net/phy/xilinx_gmii2rgmii.c
+++ b/drivers/net/phy/xilinx_gmii2rgmii.c
@@ -15,6 +15,7 @@
#include <linux/mii.h>
#include <linux/mdio.h>
#include <linux/phy.h>
+#include <linux/clk.h>
#include <linux/of_mdio.h>
#define XILINX_GMII2RGMII_REG 0x10
@@ -85,11 +86,17 @@ static int xgmiitorgmii_probe(struct mdio_device *mdiodev)
struct device *dev = &mdiodev->dev;
struct device_node *np = dev->of_node, *phy_node;
struct gmii2rgmii *priv;
+ struct clk *clkin;
priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
if (!priv)
return -ENOMEM;
+ clkin = devm_clk_get_optional_enabled(dev, NULL);
+ if (IS_ERR(clkin))
+ return dev_err_probe(dev, PTR_ERR(clkin),
+ "Failed to get and enable clock from Device Tree\n");
+
phy_node = of_parse_phandle(np, "phy-handle", 0);
if (!phy_node) {
dev_err(dev, "Couldn't parse phy-handle\n");
--
2.34.1
