ARM: dts: sun7i: Add keypad clk node

This patch add support to the keypad clock on sun7i
Signed-off-by: Yassin Jaffer <yassinjaffer@gmail.com>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>

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

@@ -465,6 +465,14 @@ ir1_clk: clk@01c200b4 {
 			clock-output-names = "ir1";
 		};
 
+		keypad_clk: clk@01c200c4 {
+			#clock-cells = <0>;
+			compatible = "allwinner,sun4i-a10-mod0-clk";
+			reg = <0x01c200c4 0x4>;
+			clocks = <&osc24M>;
+			clock-output-names = "keypad";
+		};
+
 		usb_clk: clk@01c200cc {
 			#clock-cells = <1>;
 			#reset-cells = <1>;