Add device tree binding description for Cavium SOC nand flash controller.
CC: Rob Herring <robh+dt@xxxxxxxxxx>
CC: Mark Rutland <mark.rutland@xxxxxxx>
CC: devicetree@xxxxxxxxxxxxxxx
Signed-off-by: Jan Glauber <jglauber@xxxxxxxxxx>
---
.../devicetree/bindings/mtd/cavium_nand.txt | 32 ++++++++++++++++++++++
1 file changed, 32 insertions(+)
create mode 100644 Documentation/devicetree/bindings/mtd/cavium_nand.txt
diff --git a/Documentation/devicetree/bindings/mtd/cavium_nand.txt b/Documentation/devicetree/bindings/mtd/cavium_nand.txt
new file mode 100644
index 0000000..4698d1f
--- /dev/null
+++ b/Documentation/devicetree/bindings/mtd/cavium_nand.txt
@@ -0,0 +1,32 @@
+* Cavium NAND controller
+
+Required properties:
+
+- compatible: should be "cavium,cn8xxx-nand"
+- reg: PCI devfn
+- clocks: must contain system clock
+- #address-cells: <1>
+- #size-cells: <0>
+
+The nand flash controller may contain up to 8 subnodes representing
+NAND flash chips. Their properties are as follows.
+
+Required properties:
+- compatible: should be "cavium,nandcs"
+- reg: a single integer representing the chip-select number
+- nand-ecc-mode: see nand.txt
+
+Example:
+
+nfc: nand@b,0 {
+ compatible = "cavium,cn8xxx-nand";
+ reg = <0x5800 0 0 0 0>;
+ clocks = <&sclk>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ nand@1 {
+ compatible = "cavium,nandcs";
+ reg = <1>;
+ nand-ecc-mode = "on-die";
+};
--
2.9.0.rc0.21.g7777322
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