net: phy: at803x: add RX and TX clock management for IPQ5018 PHY

Acquire and enable the RX and TX clocks for the IPQ5018 PHY.
These clocks are required for the PHY's datapath to function correctly.

Signed-off-by: George Moussalem <george.moussalem@outlook.com>
Link: https://patch.msgid.link/20260608-ipq5018-gephy-clocks-v4-4-fb2ccd56894b@outlook.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

diff --git a/drivers/net/phy/qcom/at803x.c b/drivers/net/phy/qcom/at803x.c
index 63726cf98cd423bf24d00bec9ecb6c0ea0d8bae5..ba4dc07752b60bb8c73cca9bab804074a34ec49c 100644 (file)
--- a/drivers/net/phy/qcom/at803x.c
+++ b/drivers/net/phy/qcom/at803x.c
@@ -19,6 +19,7 @@
 #include <linux/regulator/consumer.h>
 #include <linux/of.h>
 #include <linux/phylink.h>
+#include <linux/clk.h>
 #include <linux/reset.h>
 #include <linux/phy_port.h>
 #include <dt-bindings/net/qca-ar803x.h>
@@ -1074,6 +1075,7 @@ static void ipq5018_link_change_notify(struct phy_device *phydev)
 static int ipq5018_probe(struct phy_device *phydev)
 {
        struct device *dev = &phydev->mdio.dev;
+       struct clk *rx_clk, *tx_clk;
        struct ipq5018_priv *priv;
        int ret;
 
@@ -1084,6 +1086,16 @@ static int ipq5018_probe(struct phy_device *phydev)
        priv->set_short_cable_dac = of_property_read_bool(dev->of_node,
                                                          "qcom,dac-preset-short-cable");
 
+       rx_clk = devm_clk_get_enabled(dev, "rx");
+       if (IS_ERR(rx_clk))
+               return dev_err_probe(dev, PTR_ERR(rx_clk),
+                                    "failed to get and enable RX clock\n");
+
+       tx_clk = devm_clk_get_enabled(dev, "tx");
+       if (IS_ERR(tx_clk))
+               return dev_err_probe(dev, PTR_ERR(tx_clk),
+                                    "failed to get and enable TX clock\n");
+
        priv->rst = devm_reset_control_array_get_exclusive(dev);
        if (IS_ERR(priv->rst))
                return dev_err_probe(dev, PTR_ERR(priv->rst),