summaryrefslogtreecommitdiff
path: root/Documentation/devicetree/bindings/mtd
diff options
context:
space:
mode:
authorBoris Brezillon <boris.brezillon@free-electrons.com>2017-05-30 12:20:51 +0300
committerAlexandre Belloni <alexandre.belloni@free-electrons.com>2017-05-31 12:55:33 +0300
commit3a689dcb2a92231ffea805065d08ce9eb473e5e6 (patch)
tree24acfcf46e77b9fd7c7b2cc0a203ee629f13e298 /Documentation/devicetree/bindings/mtd
parent46992a17a853c537c77a99e67912c4f6317a71cb (diff)
downloadlinux-3a689dcb2a92231ffea805065d08ce9eb473e5e6.tar.xz
dt-bindings: mtd: atmel-nand: Document the nfc-io bindings
SAMA5 SoCs embed an advanced NAND controller logic to automate READ/WRITE page accesses. This advanced logic is exposed through a separate I/O mem range and is thus represented in a different node with its own compatible. Document the bindings of this nfc-io block. Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com> Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Diffstat (limited to 'Documentation/devicetree/bindings/mtd')
-rw-r--r--Documentation/devicetree/bindings/mtd/atmel-nand.txt14
1 files changed, 14 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/mtd/atmel-nand.txt b/Documentation/devicetree/bindings/mtd/atmel-nand.txt
index f6bee57e453a..9bb66e476672 100644
--- a/Documentation/devicetree/bindings/mtd/atmel-nand.txt
+++ b/Documentation/devicetree/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>,