ARM: dts: Add keypad entries to SMDK4412

Added keypad node entries to SMDK4412 board DT file.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>

1 files changed, 87 insertions, 0 deletions

diff --git a/arch/arm/boot/dts/exynos4412-smdk4412.dts b/arch/arm/boot/dts/exynos4412-smdk4412.dts
index dd564310d4a5..c52b01fa8260 100644
--- a/arch/arm/boot/dts/exynos4412-smdk4412.dts
+++ b/arch/arm/boot/dts/exynos4412-smdk4412.dts
@@ -35,6 +35,93 @@
                 status = "okay";
         };
 
+        pinctrl@11000000 {
+                keypad_rows: keypad-rows {
+                        samsung,pins = "gpx2-0", "gpx2-1", "gpx2-2";
+                        samsung,pin-function = <3>;
+                        samsung,pin-pud = <3>;
+                        samsung,pin-drv = <0>;
+                };
+
+                keypad_cols: keypad-cols {
+                        samsung,pins = "gpx1-0", "gpx1-1", "gpx1-2", "gpx1-3",
+                                       "gpx1-4", "gpx1-5", "gpx1-6", "gpx1-7";
+                        samsung,pin-function = <3>;
+                        samsung,pin-pud = <0>;
+                        samsung,pin-drv = <0>;
+                };
+        };
+
+        keypad@100A0000 {
+                samsung,keypad-num-rows = <3>;
+                samsung,keypad-num-columns = <8>;
+                linux,keypad-no-autorepeat;
+                linux,keypad-wakeup;
+                pinctrl-0 = <&keypad_rows &keypad_cols>;
+                pinctrl-names = "default";
+                status = "okay";
+
+                key_1 {
+                        keypad,row = <1>;
+                        keypad,column = <3>;
+                        linux,code = <2>;
+                };
+
+                key_2 {
+                        keypad,row = <1>;
+                        keypad,column = <4>;
+                        linux,code = <3>;
+                };
+
+                key_3 {
+                        keypad,row = <1>;
+                        keypad,column = <5>;
+                        linux,code = <4>;
+                };
+
+                key_4 {
+                        keypad,row = <1>;
+                        keypad,column = <6>;
+                        linux,code = <5>;
+                };
+
+                key_5 {
+                        keypad,row = <1>;
+                        keypad,column = <7>;
+                        linux,code = <6>;
+                };
+
+                key_A {
+                        keypad,row = <2>;
+                        keypad,column = <6>;
+                        linux,code = <30>;
+                };
+
+                key_B {
+                        keypad,row = <2>;
+                        keypad,column = <7>;
+                        linux,code = <48>;
+                };
+
+                key_C {
+                        keypad,row = <0>;
+                        keypad,column = <5>;
+                        linux,code = <46>;
+                };
+
+                key_D {
+                        keypad,row = <2>;
+                        keypad,column = <5>;
+                        linux,code = <32>;
+                };
+
+                key_E {
+                        keypad,row = <0>;
+                        keypad,column = <7>;
+                        linux,code = <18>;
+                };
+        };
+
         sdhci@12530000 {
                 bus-width = <4>;
                 pinctrl-0 = <&sd2_clk &sd2_cmd &sd2_bus4 &sd2_cd>;