diff --git a/drivers/spi/spi_cc13xx_cc26xx.c b/drivers/spi/spi_cc13xx_cc26xx.c
index 26a4ad4007c43..68a28fbadc1fe 100644
--- a/drivers/spi/spi_cc13xx_cc26xx.c
+++ b/drivers/spi/spi_cc13xx_cc26xx.c
@@ -81,8 +81,9 @@ static int spi_cc13xx_cc26xx_configure(const struct device *dev,
 		return -EINVAL;
 	}
 
-	if (config->frequency < 2000000) {
-		LOG_ERR("Frequencies lower than 2 MHz are not supported");
+	if (config->frequency < CPU_FREQ / (254 * (255 + 1))) {
+		LOG_ERR("Frequencies lower than %d Hz are not supported",
+			CPU_FREQ / (254 * (255 + 1)));
 		return -EINVAL;
 	}