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ARM: dts: cm-t335: add support for I2C GPIO expander

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The I2C GPIO expander (PCA9555) adds 16 GPIOs to the module.

Signed-off-by: Uri Mashiach <uri.mashiach@compulab.co.il>
Acked-by: Igor Grinberg <grinberg@compulab.co.il>
Signed-off-by: Tony Lindgren <tony@atomide.com>
This commit is contained in:
Uri Mashiach 2015-12-13 10:55:37 +02:00 committed by Tony Lindgren
parent c6135a6fd1
commit 98e5d8987c
1 changed files with 11 additions and 0 deletions
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11
arch/arm/boot/dts/am335x-sbc-t335.dts
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@ -14,3 +14,14 @@ / {
model = "CompuLab CM-T335 on SB-T335";
compatible = "compulab,sbc-t335", "compulab,cm-t335", "ti,am33xx";
};
&i2c0 {
/* GPIO extender */
gpio_ext: pca9555@26 {
compatible = "nxp,pca9555";
pinctrl-names = "default";
gpio-controller;
#gpio-cells = <2>;
reg = <0x26>;
};
};