Adding upstream version 4.19.249.upstream/4.19.249upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 17 insertions, 0 deletions

diff --git a/Documentation/devicetree/bindings/mtd/atmel-dataflash.txt b/Documentation/devicetree/bindings/mtd/atmel-dataflash.txt
new file mode 100644
index 000000000..1889a4db5
--- /dev/null
+++ b/Documentation/devicetree/bindings/mtd/atmel-dataflash.txt
@@ -0,0 +1,17 @@
+* Atmel Data Flash
+
+Required properties:
+- compatible : "atmel,<model>", "atmel,<series>", "atmel,dataflash".
+
+The device tree may optionally contain sub-nodes describing partitions of the
+address space. See partition.txt for more detail.
+
+Example:
+
+flash@1 {
+	#address-cells = <1>;
+	#size-cells = <1>;
+	compatible = "atmel,at45db321d", "atmel,at45", "atmel,dataflash";
+	spi-max-frequency = <25000000>;
+	reg = <1>;
+};