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-rw-r--r--dts/Bindings/mtd/atmel-nand.txt14
1 files changed, 14 insertions, 0 deletions
diff --git a/dts/Bindings/mtd/atmel-nand.txt b/dts/Bindings/mtd/atmel-nand.txt
index f6bee57e45..9bb66e4766 100644
--- a/dts/Bindings/mtd/atmel-nand.txt
+++ b/dts/Bindings/mtd/atmel-nand.txt
@@ -59,8 +59,22 @@ Required properties:
- reg: should contain 2 register ranges. The first one is pointing to the PMECC
block, and the second one to the PMECC_ERRLOC block.
+* SAMA5 NFC I/O bindings:
+
+SAMA5 SoCs embed an advanced NAND controller logic to automate READ/WRITE page
+operations. This interface to this logic is placed in a separate I/O range and
+should thus have its own DT node.
+
+- compatible: should be "atmel,sama5d3-nfc-io", "syscon".
+- reg: should contain the I/O range used to interact with the NFC logic.
+
Example:
+ nfc_io: nfc-io@70000000 {
+ compatible = "atmel,sama5d3-nfc-io", "syscon";
+ reg = <0x70000000 0x8000000>;
+ };
+
pmecc: ecc-engine@ffffc070 {
compatible = "atmel,at91sam9g45-pmecc";
reg = <0xffffc070 0x490>,