diff --git a/doc/releases/release-notes-3.3.rst b/doc/releases/release-notes-3.3.rst
index 4df9fad..55f6f68 100644
--- a/doc/releases/release-notes-3.3.rst
+++ b/doc/releases/release-notes-3.3.rst
@@ -131,6 +131,8 @@
 * PCIe APIs :c:func:`pcie_probe` and :c:func:`pcie_bdf_lookup` have been
   deprecated in favor of a centralized scan of available PCIe devices.
 
+* SPI DT :c:func:`spi_is_ready` function has been deprecated in favor of :c:func:`spi_is_ready_dt`.
+
 Stable API changes in this release
 ==================================
 
diff --git a/include/zephyr/drivers/spi.h b/include/zephyr/drivers/spi.h
index d108ae5..6e44d04 100644
--- a/include/zephyr/drivers/spi.h
+++ b/include/zephyr/drivers/spi.h
@@ -392,6 +392,7 @@
  * Important: multiple fields are automatically constructed by this macro
  * which must be checked before use. @ref spi_is_ready performs the required
  * @ref device_is_ready checks.
+ * @deprecated Use @ref spi_is_ready_dt instead.
  *
  * This macro is not available in C++.
  *
@@ -508,6 +509,7 @@
  * @retval true if the SPI bus is ready for use.
  * @retval false if the SPI bus is not ready for use.
  */
+__deprecated
 static inline bool spi_is_ready(const struct spi_dt_spec *spec)
 {
 	/* Validate bus is ready */