Commit daab0ac5 authored by Vineeth Karumanchi's avatar Vineeth Karumanchi Committed by David S. Miller
Browse files

net: phy: xilinx-gmii2rgmii: Adopt clock support 



Add clock support to the gmii_to_rgmii IP.
Make clk optional to keep DTB backward compatibility.

Signed-off-by: default avatarVineeth Karumanchi <vineeth.karumanchi@amd.com>
Reviewed-by: default avatarWojciech Drewek <wojciech.drewek@intel.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent c1d96671

drivers/net/phy/xilinx_gmii2rgmii.c

+7 −0
Original line number Diff line number Diff line
@@ -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");