ARM: sunxi: dts: Add A10/A20 PS2 pin muxing options

Signed-off-by: NVishnuPatekar <vishnupatekar0510@gmail.com>
Signed-off-by: NMaxime Ripard <maxime.ripard@free-electrons.com>

arch/arm/boot/dts/sun4i-a10.dtsi

@@ -737,6 +737,20 @@
 				allwinner,drive = <SUN4I_PINCTRL_10_MA>;
 				allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
 			};
+
+			ps20_pins_a: ps20@0 {
+				allwinner,pins = "PI20", "PI21";
+				allwinner,function = "ps2";
+				allwinner,drive = <SUN4I_PINCTRL_10_MA>;
+				allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
+			};
+
+			ps21_pins_a: ps21@0 {
+				allwinner,pins = "PH12", "PH13";
+				allwinner,function = "ps2";
+				allwinner,drive = <SUN4I_PINCTRL_10_MA>;
+				allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
+			};
 		};
 
 		timer@01c20c00 {

arch/arm/boot/dts/sun7i-a20.dtsi

@@ -941,6 +941,20 @@
 				    allwinner,drive = <SUN4I_PINCTRL_10_MA>;
 				    allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
 			};
+
+			ps20_pins_a: ps20@0 {
+				allwinner,pins = "PI20", "PI21";
+				allwinner,function = "ps2";
+				allwinner,drive = <SUN4I_PINCTRL_10_MA>;
+				allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
+			};
+
+			ps21_pins_a: ps21@0 {
+				allwinner,pins = "PH12", "PH13";
+				allwinner,function = "ps2";
+				allwinner,drive = <SUN4I_PINCTRL_10_MA>;
+				allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
+			};
 		};
 
 		timer@01c20c00 {