arm64: dts: mediatek: mt8516: add keypad node

Add a keypad matrix node for the MT8516/MT8167 SoC.

Signed-off-by: Val Packett <val@packett.cool>
Reviewed-by: Mattijs Korpershoek <mkorpershoek@baylibre.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20241225192631.25017-4-val@packett.cool
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>

Author: valpackett

arch/arm64/boot/dts/mediatek/mt8516.dtsi

@@ -220,6 +220,17 @@
 			clock-names = "clk13m", "bus";
 		};
 
+		keypad: keypad@10002000 {
+			compatible = "mediatek,mt8516-keypad",
+				     "mediatek,mt6779-keypad";
+			reg = <0 0x10002000 0 0x1000>;
+			wakeup-source;
+			interrupts = <GIC_SPI 149 IRQ_TYPE_EDGE_FALLING>;
+			clocks = <&clk26m>;
+			clock-names = "kpd";
+			status = "disabled";
+		};
+
 		syscfg_pctl: syscfg-pctl@10005000 {
 			compatible = "syscon";
 			reg = <0 0x10005000 0 0x1000>;