Commit 821e2c70 authored by Khouloud Touil's avatar Khouloud Touil Committed by Bartosz Golaszewski
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dt-bindings: at25: add reference for the wp-gpios property 



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: default avatarKhouloud Touil <ktouil@baylibre.com>
Reviewed-by: default avatarRob Herring <robh@kernel.org>
Acked-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: default avatarBartosz Golaszewski <bgolaszewski@baylibre.com>
parent a99d2c6c

Documentation/devicetree/bindings/eeprom/at25.txt

+2 −0
Original line number Diff line number Diff line
@@ -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>;

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