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ARM: dts: dra7-evm: add gpio key support 

dra7-evm has 2 gpio keys wired through TS_LCD_GPIO3, TS_LCD_GPIO4
which in turn connected to PCF8575 GPIO pcf_lcd: gpio@20 expander
pins 2 and 3.

Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
This commit is contained in:
Grygorii Strashko 2015-08-27 18:20:47 +03:00 committed by Tony Lindgren
parent a96e880885
commit 863987affb
1 changed files with 20 additions and 0 deletions
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20
arch/arm/boot/dts/dra7-evm.dts
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@ -10,6 +10,7 @@
#include "dra74x.dtsi" #include "dra74x.dtsi"
#include <dt-bindings/gpio/gpio.h> #include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/clk/ti-dra7-atl.h> #include <dt-bindings/clk/ti-dra7-atl.h>
#include <dt-bindings/input/input.h>
/ { / {
model = "TI DRA742"; model = "TI DRA742";
@ -126,6 +127,25 @@
default-state = "off"; default-state = "off";
}; };
}; };
gpio_keys {
compatible = "gpio-keys";
#address-cells = <1>;
#size-cells = <0>;
autorepeat;
USER1 {
label = "btnUser1";
linux,code = <BTN_0>;
gpios = <&pcf_lcd 2 GPIO_ACTIVE_LOW>;
};
USER2 {
label = "btnUser2";
linux,code = <BTN_1>;
gpios = <&pcf_lcd 3 GPIO_ACTIVE_LOW>;
};
};
}; };
&dra7_pmx_core { &dra7_pmx_core {