arm64: dts: mediatek: mt8186: Add ADSP node

Add ADSP node for MT8186 SoC.
Signed-off-by: Allen-KH Cheng <allen-kh.cheng@mediatek.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20230324021258.15863-5-allen-kh.cheng@mediatek.comSigned-off-by: Matthias Brugger <matthias.bgg@gmail.com>

arch/arm64/boot/dts/mediatek/mt8186.dtsi

@@ -634,6 +634,22 @@ scp: scp@10500000 {
 			interrupts = <GIC_SPI 205 IRQ_TYPE_LEVEL_HIGH 0>;
 		};
 
+		adsp: adsp@10680000 {
+			compatible = "mediatek,mt8186-dsp";
+			reg = <0 0x10680000 0 0x2000>, <0 0x10800000 0 0x100000>,
+			      <0 0x1068b000 0 0x100>, <0 0x1068f000 0 0x1000>;
+			reg-names = "cfg", "sram", "sec", "bus";
+			clocks = <&topckgen CLK_TOP_AUDIODSP>, <&topckgen CLK_TOP_ADSP_BUS>;
+			clock-names = "audiodsp", "adsp_bus";
+			assigned-clocks = <&topckgen CLK_TOP_AUDIODSP>,
+					  <&topckgen CLK_TOP_ADSP_BUS>;
+			assigned-clock-parents = <&clk26m>, <&topckgen CLK_TOP_MAINPLL_D2_D2>;
+			mbox-names = "rx", "tx";
+			mboxes = <&adsp_mailbox0>, <&adsp_mailbox1>;
+			power-domains = <&spm MT8186_POWER_DOMAIN_ADSP_TOP>;
+			status = "disabled";
+		};
+
 		adsp_mailbox0: mailbox@10686000 {
 			compatible = "mediatek,mt8186-adsp-mbox";
 			#mbox-cells = <0>;