arm64: dts: mt8195: Add adsp node and adsp mailbox nodes

Add adsp node and adsp mailbox nodes for mt8195.
Signed-off-by: YC Hung <yc.hung@mediatek.corp-partner.google.com>
Signed-off-by: Allen-KH Cheng <allen-kh.cheng@mediatek.corp-partner.google.com>
Signed-off-by: Tinghan Shen <tinghan.shen@mediatek.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20220811025813.21492-17-tinghan.shen@mediatek.comSigned-off-by: Matthias Brugger <matthias.bgg@gmail.com>

arch/arm64/boot/dts/mediatek/mt8195.dtsi

@@ -739,6 +739,43 @@ scp_adsp: clock-controller@10720000 {
 			#clock-cells = <1>;
 		};
 
+		adsp: dsp@10803000 {
+			compatible = "mediatek,mt8195-dsp";
+			reg = <0 0x10803000 0 0x1000>,
+			      <0 0x10840000 0 0x40000>;
+			reg-names = "cfg", "sram";
+			clocks = <&topckgen CLK_TOP_ADSP>,
+				 <&clk26m>,
+				 <&topckgen CLK_TOP_AUDIO_LOCAL_BUS>,
+				 <&topckgen CLK_TOP_MAINPLL_D7_D2>,
+				 <&scp_adsp CLK_SCP_ADSP_AUDIODSP>,
+				 <&topckgen CLK_TOP_AUDIO_H>;
+			clock-names = "adsp_sel",
+				 "clk26m_ck",
+				 "audio_local_bus",
+				 "mainpll_d7_d2",
+				 "scp_adsp_audiodsp",
+				 "audio_h";
+			power-domains = <&spm MT8195_POWER_DOMAIN_ADSP>;
+			mbox-names = "rx", "tx";
+			mboxes = <&adsp_mailbox0>, <&adsp_mailbox1>;
+			status = "disabled";
+		};
+
+		adsp_mailbox0: mailbox@10816000 {
+			compatible = "mediatek,mt8195-adsp-mbox";
+			#mbox-cells = <0>;
+			reg = <0 0x10816000 0 0x1000>;
+			interrupts = <GIC_SPI 702 IRQ_TYPE_LEVEL_HIGH 0>;
+		};
+
+		adsp_mailbox1: mailbox@10817000 {
+			compatible = "mediatek,mt8195-adsp-mbox";
+			#mbox-cells = <0>;
+			reg = <0 0x10817000 0 0x1000>;
+			interrupts = <GIC_SPI 703 IRQ_TYPE_LEVEL_HIGH 0>;
+		};
+
 		afe: mt8195-afe-pcm@10890000 {
 			compatible = "mediatek,mt8195-audio";
 			reg = <0 0x10890000 0 0x10000>;