[PATCH v4 4/4] net: phy: at803x: add RX and TX clock management for IPQ5018 PHY
From: George Moussalem via B4 Relay <devnull+george.moussalem.outlook.com@kernel.org>
Date: 2026-06-08 05:09:26
Also in:
b4-sent, linux-arm-msm, linux-devicetree, lkml
Subsystem:
arm/qualcomm mailing list, ethernet phy library, networking drivers, the rest · Maintainers:
Andrew Lunn, Heiner Kallweit, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
From: George Moussalem <redacted>
Acquire and enable the RX and TX clocks for the IPQ5018 PHY.
These clocks are required for the PHY's datapath to function correctly.
Fixes: d46502279a11 ("net: phy: qcom: at803x: Add Qualcomm IPQ5018 Internal PHY support")
Signed-off-by: George Moussalem <redacted>
---
drivers/net/phy/qcom/at803x.c | 12 ++++++++++++
1 file changed, 12 insertions(+)
diff --git a/drivers/net/phy/qcom/at803x.c b/drivers/net/phy/qcom/at803x.c
index 63726cf98cd4..ba4dc07752b6 100644
--- 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),
--
2.53.0