dt-bindings: at24: Add address-width property

Currently the only way to use a variant of a supported model with a different address width is to define a new compatible string and the corresponding chip data structure. Provide a flexible way to specify the size of the address pointer by defining a new property: address-width. Signed-off-by: Alan Chiang <[email protected]> Signed-off-by: Andy Yeh <[email protected]> Acked-by: Sakari Ailus <[email protected]> Reviewed-by: Rob Herring <[email protected]> [Bartosz: fixed the commit message] Signed-off-by: Bartosz Golaszewski <[email protected]>
josf · Jul 25, 2018 · 21d0405 · 21d0405
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commit 21d0405
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/Documentation/devicetree/bindings/eeprom/at24.txt b/Documentation/devicetree/bindings/eeprom/at24.txt
@@ -72,6 +72,8 @@ Optional properties:
 
   - wp-gpios: GPIO to which the write-protect pin of the chip is connected.
 
+  - address-width: number of address bits (one of 8, 16).
+
 Example:
 
 eeprom@52 {