ARM: dts: AM33XX: Add matrix keypad device tree data to am335x-evm

Add matrix keypad device tree data to am335x-evm by adding all
the necessary parameters like keymap, row & column gpios and etc.

Signed-off-by: AnilKumar Ch <anilkumar@ti.com>
Signed-off-by: Benoit Cousson <b-cousson@ti.com>

1 files changed, 20 insertions, 0 deletions

diff --git a/arch/arm/boot/dts/am335x-evm.dts b/arch/arm/boot/dts/am335x-evm.dts
index 9199456cfac4..8076e66f9367 100644
--- a/arch/arm/boot/dts/am335x-evm.dts
+++ b/arch/arm/boot/dts/am335x-evm.dts
@@ -110,6 +110,26 @@
                 regulator-name = "lis3_reg";
                 regulator-boot-on;
         };
+
+        matrix_keypad: matrix_keypad@0 {
+                compatible = "gpio-matrix-keypad";
+                debounce-delay-ms = <5>;
+                col-scan-delay-us = <2>;
+
+                row-gpios = <&gpio2 25 0        /* Bank1, pin25 */
+                             &gpio2 26 0        /* Bank1, pin26 */
+                             &gpio2 27 0>;      /* Bank1, pin27 */
+
+                col-gpios = <&gpio2 21 0        /* Bank1, pin21 */
+                             &gpio2 22 0>;      /* Bank1, pin22 */
+
+                linux,keymap = <0x0000008b      /* MENU */
+                                0x0100009e      /* BACK */
+                                0x02000069      /* LEFT */
+                                0x0001006a      /* RIGHT */
+                                0x0101001c      /* ENTER */
+                                0x0201006c>;    /* DOWN */
+        };
 };
 
 /include/ "tps65910.dtsi"