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-rw-r--r--Documentation/devicetree/bindings/mtd/atmel-nand.txt25
1 files changed, 25 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/mtd/atmel-nand.txt b/Documentation/devicetree/bindings/mtd/atmel-nand.txt
index b6eb484366a5..5d8b7d5c914d 100644
--- a/Documentation/devicetree/bindings/mtd/atmel-nand.txt
+++ b/Documentation/devicetree/bindings/mtd/atmel-nand.txt
@@ -30,6 +30,12 @@ Optional properties:
sector size 1024.
- nand-bus-width : 8 or 16 bus width if not present 8
- nand-on-flash-bbt: boolean to enable on flash bbt option if not present false
+- Nand Flash Controller(NFC) is a slave driver under Atmel nand flash
+ - Required properties:
+ - compatible : "atmel,sama5d3-nfc".
+ - reg : should specify the address and size used for NFC command registers,
+ NFC registers and NFC Sram. NFC Sram address and size can be absent
+ if don't want to use it.
Examples:
nand0: nand@40000000,0 {
@@ -78,3 +84,22 @@ nand0: nand@40000000 {
...
};
};
+
+/* for NFC supported chips */
+nand0: nand@40000000 {
+ compatible = "atmel,at91rm9200-nand";
+ #address-cells = <1>;
+ #size-cells = <1>;
+ ranges;
+ ...
+ nfc@70000000 {
+ compatible = "atmel,sama5d3-nfc";
+ #address-cells = <1>;
+ #size-cells = <1>;
+ reg = <
+ 0x70000000 0x10000000 /* NFC Command Registers */
+ 0xffffc000 0x00000070 /* NFC HSMC regs */
+ 0x00200000 0x00100000 /* NFC SRAM banks */
+ >;
+ };
+};