spi/qspi: Add compatible string for am4372.

Add a compatible string for am4372.

Signed-off-by: Sourav Poddar <sourav.poddar@ti.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
diff --git a/Documentation/devicetree/bindings/spi/ti_qspi.txt b/Documentation/devicetree/bindings/spi/ti_qspi.txt
index 398ef59..1f9641a 100644
--- a/Documentation/devicetree/bindings/spi/ti_qspi.txt
+++ b/Documentation/devicetree/bindings/spi/ti_qspi.txt
@@ -1,7 +1,7 @@
 TI QSPI controller.
 
 Required properties:
-- compatible : should be "ti,dra7xxx-qspi".
+- compatible : should be "ti,dra7xxx-qspi" or "ti,am4372-qspi".
 - reg: Should contain QSPI registers location and length.
 - #address-cells, #size-cells : Must be present if the device has sub-nodes
 - ti,hwmods: Name of the hwmod associated to the QSPI
diff --git a/drivers/spi/spi-ti-qspi.c b/drivers/spi/spi-ti-qspi.c
index 79081d9..136d71e 100644
--- a/drivers/spi/spi-ti-qspi.c
+++ b/drivers/spi/spi-ti-qspi.c
@@ -453,6 +453,7 @@
 
 static const struct of_device_id ti_qspi_match[] = {
 	{.compatible = "ti,dra7xxx-qspi" },
+	{.compatible = "ti,am4372-qspi" },
 	{},
 };
 MODULE_DEVICE_TABLE(of, ti_qspi_match);