This patch documents the DT bindings for the driver of the Atmel QSPI
controller embedded inside sama5d2x SoCs.

Signed-off-by: Cyrille Pitchen <[email protected]>
---
 .../devicetree/bindings/mtd/atmel-quadspi.txt      | 29 ++++++++++++++++++++++
 1 file changed, 29 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/mtd/atmel-quadspi.txt

diff --git a/Documentation/devicetree/bindings/mtd/atmel-quadspi.txt 
b/Documentation/devicetree/bindings/mtd/atmel-quadspi.txt
new file mode 100644
index 000000000000..a0d60ac7ae10
--- /dev/null
+++ b/Documentation/devicetree/bindings/mtd/atmel-quadspi.txt
@@ -0,0 +1,29 @@
+* Atmel Quad Serial Peripheral Interface (QSPI)
+
+Required properties:
+  - compatible : Should be "atmel,sama5d2-qspi"
+  - reg : the first contains the register location and length,
+          the second contains the memory mapping address and length
+  - interrupts : Should contain the interrupt for the device
+  - clocks : The clock needed by the QSPI controller
+  - #address-cells : should be 1
+  - #size-cells : should be 0
+
+Example:
+
+qspi0: qspi@f0020000 {
+       compatible = "atmel,sama5d2-qspi";
+       reg = <0xf0020000 0x100>,
+             <0xd0000000 0x08000000>;
+       interrupts = <52 IRQ_TYPE_LEVEL_HIGH 7>;
+       clocks = <&qspi0_clk>;
+       #address-cells = <1>;
+       #size-cells = <0>;
+       pinctrl-names = "default";
+       pinctrl-0 = <&pinctrl_qspi0_default>;
+       status = "okay";
+
+       m25p80@0 {
+               ...
+       };
+};
-- 
1.8.2.2

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