From: Uri Mashiach <uri.mashiach@compulab.co.il>
Date: Sun, 13 Dec 2015 08:55:37 +0000 (+0200)
Subject: ARM: dts: cm-t335: add support for I2C GPIO expander
X-Git-Tag: v4.5-rc1~43^2~19^2~10
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=98e5d8987cd35688003f672f049c15163552c4c3;p=karo-tx-linux.git

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>
---

diff --git a/arch/arm/boot/dts/am335x-sbc-t335.dts b/arch/arm/boot/dts/am335x-sbc-t335.dts
index 9e98445e3784..4a5177e6030d 100644
--- a/arch/arm/boot/dts/am335x-sbc-t335.dts
+++ b/arch/arm/boot/dts/am335x-sbc-t335.dts
@@ -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>;
+	};
+};