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ARM: dts: am3517-evm: Add I/O expander for User DIP switches and LEDS

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There is a tca6416 GPIO expander on i2c2. This patch enables the
GPIO expander which has several LED's and some connected DIP
switches

Signed-off-by: Derald D. Woods <woods.technical@gmail.com>
Signed-off-by: Adam Ford <aford173@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
This commit is contained in:
Adam Ford 2018-05-06 08:00:48 -05:00 committed by Tony Lindgren
parent d1f9400c1b
commit d3f6f056ab
1 changed files with 7 additions and 0 deletions
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7
arch/arm/boot/dts/am3517-evm.dts
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@ -105,6 +105,13 @@
&i2c2 {
clock-frequency = <400000>;
/* User DIP swithes [1:8] / User LEDS [1:2] */
tca6416: gpio@21 {
compatible = "ti,tca6416";
reg = <0x21>;
gpio-controller;
#gpio-cells = <2>;
};
};
&i2c3 {