diff mbox series

[v4,4/5] dt-bindings: at25: add reference for the wp-gpios property

Message ID 20200107092922.18408-5-ktouil@baylibre.com
State New
Headers show
Series at24: move write-protect pin handling to nvmem core | expand

Commit Message

Khouloud Touil Jan. 7, 2020, 9:29 a.m. UTC 
As the at25 uses the NVMEM subsystem, and the property is now being
handled, adding reference for it in the device tree binding document,
which allows to specify the GPIO line to which the write-protect pin
is connected.

Signed-off-by: Khouloud Touil <ktouil@baylibre.com>
---
 Documentation/devicetree/bindings/eeprom/at25.txt | 2 ++
 1 file changed, 2 insertions(+)
diff mbox series

Patch

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>;