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dt-bindings: pinctrl: add mcp23018 to mcp23s08 documentation

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This adds the compatible string for the mcp23018, which is the i2c variant
of the mcp23s18.

Signed-off-by: Phil Reid <preid@electromag.com.au>
Reviewed-by: Sebastian Reichel <sebastian.reichel@collabora.co.uk>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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Phil Reid 2017-10-06 13:08:06 +08:00 committed by Linus Walleij
parent e8527b6eb6
commit b889372c84
1 changed files with 1 additions and 0 deletions
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Documentation/devicetree/bindings/pinctrl/pinctrl-mcp23s08.txt
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@ -13,6 +13,7 @@ Required properties:
- "microchip,mcp23s18" for 16 GPIO SPI version
- "microchip,mcp23008" for 8 GPIO I2C version or
- "microchip,mcp23017" for 16 GPIO I2C version of the chip
- "microchip,mcp23018" for 16 GPIO I2C version
NOTE: Do not use the old mcp prefix any more. It is deprecated and will be
removed.
- #gpio-cells : Should be two.