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-rw-r--r--Documentation/devicetree/bindings/eeprom/at25.txt2
1 files changed, 2 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/eeprom/at25.txt b/Documentation/devicetree/bindings/eeprom/at25.txt
index 42577dd113dd..fcacd97abd0a 100644
--- a/Documentation/devicetree/bindings/eeprom/at25.txt
+++ b/Documentation/devicetree/bindings/eeprom/at25.txt
@@ -20,6 +20,7 @@ Optional properties:
- spi-cpha : SPI shifted clock phase, as per spi-bus bindings.
- spi-cpol : SPI inverse clock polarity, as per spi-bus bindings.
- read-only : this parameter-less property disables writes to the eeprom
+- wp-gpios : GPIO to which the write-protect pin of the chip is connected
Obsolete legacy properties can be used in place of "size", "pagesize",
"address-width", and "read-only":
@@ -36,6 +37,7 @@ Example:
spi-max-frequency = <5000000>;
spi-cpha;
spi-cpol;
+ wp-gpios = <&gpio1 3 0>;
pagesize = <64>;
size = <32768>;