From d3f6f056aba864edb4fc2588f6d45d3f9b572ce8 Mon Sep 17 00:00:00 2001 From: Adam Ford Date: Sun, 6 May 2018 08:00:48 -0500 Subject: [PATCH] ARM: dts: am3517-evm: Add I/O expander for User DIP switches and LEDS 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 Signed-off-by: Adam Ford Signed-off-by: Tony Lindgren --- arch/arm/boot/dts/am3517-evm.dts | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/arch/arm/boot/dts/am3517-evm.dts b/arch/arm/boot/dts/am3517-evm.dts index f9ebefa735df..e5cc93053539 100644 --- a/arch/arm/boot/dts/am3517-evm.dts +++ b/arch/arm/boot/dts/am3517-evm.dts @@ -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 { -- 2.11.0