linux/arch/arm/boot/dts/am335x-sbc-t335.dts
Uri Mashiach 98e5d8987c ARM: dts: cm-t335: add support for I2C GPIO expander
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>
2015-12-17 10:04:22 -08:00

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/*
* am335x-sbc-t335.dts - Device Tree file for Compulab SBC-T335
*
* Copyright (C) 2014 - 2015 CompuLab Ltd. - http://www.compulab.co.il/
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#include "am335x-cm-t335.dts"
/ {
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>;
};
};