1 files changed, 69 insertions, 0 deletions
diff --git a/include/linux/phy/phy-common-props.h b/include/linux/phy/phy-common-props.h
new file mode 100644
index 00000000000..9158851f2e1
--- /dev/null
+++ b/include/linux/phy/phy-common-props.h
@@ -0,0 +1,69 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/*
+ * phy-common-props.h -- Common properties for generic PHYs
+ *
+ * Copyright 2025-2026 NXP
+ */
+
+#ifndef __PHY_COMMON_PROPS_H
+#define __PHY_COMMON_PROPS_H
+
+#include <dt-bindings/phy/phy.h>
+#include <dm/ofnode.h>
+
+/**
+ * phy_get_rx_polarity - Get RX polarity for PHY differential lane
+ * @node: Pointer to the PHY's device tree node.
+ * @mode_name: The name of the PHY mode to look up.
+ * @supported: Bit mask of PHY_POL_NORMAL, PHY_POL_INVERT and PHY_POL_AUTO
+ * @default_val: Default polarity value if property is missing
+ * @val: Pointer to returned polarity.
+ *
+ * Return: zero on success, negative error on failure.
+ */
+int phy_get_rx_polarity(ofnode node, const char *mode_name,
+			unsigned int supported, unsigned int default_val,
+			unsigned int *val);
+
+/**
+ * phy_get_tx_polarity - Get TX polarity for PHY differential lane
+ * @node: Pointer to the PHY's device tree node.
+ * @mode_name: The name of the PHY mode to look up.
+ * @supported: Bit mask of PHY_POL_NORMAL, PHY_POL_INVERT and PHY_POL_AUTO
+ * @default_val: Default polarity value if property is missing
+ * @val: Pointer to returned polarity.
+ *
+ * Return: zero on success, negative error on failure.
+ */
+int phy_get_tx_polarity(ofnode node, const char *mode_name,
+			unsigned int supported, unsigned int default_val,
+			unsigned int *val);
+
+/**
+ * phy_get_manual_rx_polarity - Get manual RX polarity for PHY differential lane
+ * @node: Pointer to the PHY's device tree node.
+ * @mode_name: The name of the PHY mode to look up.
+ * @val: Pointer to returned polarity.
+ *
+ * Helper for PHYs which do not support protocols with automatic RX polarity
+ * detection and correction.
+ *
+ * Return: zero on success, negative error on failure.
+ */
+int phy_get_manual_rx_polarity(ofnode node, const char *mode_name,
+			       unsigned int *val);
+
+/**
+ * phy_get_manual_tx_polarity - Get manual TX polarity for PHY differential lane
+ * @node: Pointer to the PHY's device tree node.
+ * @mode_name: The name of the PHY mode to look up.
+ * @val: Pointer to returned polarity.
+ *
+ * Helper for PHYs without any custom default value for the TX polarity.
+ *
+ * Return: zero on success, negative error on failure.
+ */
+int phy_get_manual_tx_polarity(ofnode node, const char *mode_name,
+			       unsigned int *val);
+
+#endif /* __PHY_COMMON_PROPS_H */