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Message-ID: <20240517054745.4111922-3-vineeth.karumanchi@amd.com>
Date: Fri, 17 May 2024 11:17:45 +0530
From: Vineeth Karumanchi <vineeth.karumanchi@....com>
To: <git@....com>, <davem@...emloft.net>, <edumazet@...gle.com>,
<kuba@...nel.org>, <pabeni@...hat.com>, <robh@...nel.org>,
<krzk+dt@...nel.org>, <conor+dt@...nel.org>, <harini.katakam@....com>,
<andrew@...n.ch>, <hkallweit1@...il.com>, <linux@...linux.org.uk>,
<michal.simek@....com>
CC: <vineeth.karumanchi@....com>, <netdev@...r.kernel.org>,
<devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
<linux-arm-kernel@...ts.infradead.org>
Subject: [PATCH net-next v2 2/2] 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: Vineeth Karumanchi <vineeth.karumanchi@....com>
---
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
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