ARM: dts: at91: sama5d2 Xplained: add user push button

Add the push button named "PB USER" with code 0x104. Associated pinctrl node is
also added.

Signed-off-by: Ludovic Desroches <ludovic.desroches@atmel.com>
Acked-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>

diff --git a/arch/arm/boot/dts/at91-sama5d2_xplained.dts b/arch/arm/boot/dts/at91-sama5d2_xplained.dts
index 382ccfb..d20d403 100644 (file)
--- a/arch/arm/boot/dts/at91-sama5d2_xplained.dts
+++ b/arch/arm/boot/dts/at91-sama5d2_xplained.dts
@@ -302,6 +302,11 @@
                                        bias-disable;
                                };
 
+                               pinctrl_key_gpio_default: key_gpio_default {
+                                       pinmux = <PIN_PB9__GPIO>;
+                                       bias-pull-up;
+                               };
+
                                pinctrl_macb0_default: macb0_default {
                                        pinmux = <PIN_PB14__GTXCK>,
                                                 <PIN_PB15__GTXEN>,
@@ -400,4 +405,17 @@
                        };
                };
        };
+
+       gpio_keys {
+               compatible = "gpio-keys";
+
+               pinctrl-names = "default";
+               pinctrl-0 = <&pinctrl_key_gpio_default>;
+
+               bp1 {
+                       label = "PB_USER";
+                       gpios = <&pioA 41 GPIO_ACTIVE_LOW>;
+                       linux,code = <0x104>;
+               };
+       };
 };