arm64: tegra: Audio graph sound card for Jetson Xavier NX

Enable support for audio-graph based sound card on Jetson Xavier NX.
Following I/O interfaces are enabled.
  - I2S3 and I2S5
  - DMIC1, DMIC2 and DMIC4
  - DSPK1 and DSPK2
Signed-off-by: Sameer Pujar <spujar@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>

arch/arm64/boot/dts/nvidia/tegra194-p3509-0000.dtsi

@@ -15,6 +15,577 @@ dma-controller@2930000 {
 			interrupt-controller@2a40000 {
 				status = "okay";
 			};
+
+			ahub@2900800 {
+				status = "okay";
+
+				ports {
+					#address-cells = <1>;
+					#size-cells = <0>;
+
+					port@0 {
+						reg = <0x0>;
+
+						xbar_admaif0_ep: endpoint {
+							remote-endpoint = <&admaif0_ep>;
+						};
+					};
+
+					port@1 {
+						reg = <0x1>;
+
+						xbar_admaif1_ep: endpoint {
+							remote-endpoint = <&admaif1_ep>;
+						};
+					};
+
+					port@2 {
+						reg = <0x2>;
+
+						xbar_admaif2_ep: endpoint {
+							remote-endpoint = <&admaif2_ep>;
+						};
+					};
+
+					port@3 {
+						reg = <0x3>;
+
+						xbar_admaif3_ep: endpoint {
+							remote-endpoint = <&admaif3_ep>;
+						};
+					};
+
+					port@4 {
+						reg = <0x4>;
+
+						xbar_admaif4_ep: endpoint {
+							remote-endpoint = <&admaif4_ep>;
+						};
+					};
+
+					port@5 {
+						reg = <0x5>;
+
+						xbar_admaif5_ep: endpoint {
+							remote-endpoint = <&admaif5_ep>;
+						};
+					};
+
+					port@6 {
+						reg = <0x6>;
+
+						xbar_admaif6_ep: endpoint {
+							remote-endpoint = <&admaif6_ep>;
+						};
+					};
+
+					port@7 {
+						reg = <0x7>;
+
+						xbar_admaif7_ep: endpoint {
+							remote-endpoint = <&admaif7_ep>;
+						};
+					};
+
+					port@8 {
+						reg = <0x8>;
+
+						xbar_admaif8_ep: endpoint {
+							remote-endpoint = <&admaif8_ep>;
+						};
+					};
+
+					port@9 {
+						reg = <0x9>;
+
+						xbar_admaif9_ep: endpoint {
+							remote-endpoint = <&admaif9_ep>;
+						};
+					};
+
+					port@a {
+						reg = <0xa>;
+
+						xbar_admaif10_ep: endpoint {
+							remote-endpoint = <&admaif10_ep>;
+						};
+					};
+
+					port@b {
+						reg = <0xb>;
+
+						xbar_admaif11_ep: endpoint {
+							remote-endpoint = <&admaif11_ep>;
+						};
+					};
+
+					port@c {
+						reg = <0xc>;
+
+						xbar_admaif12_ep: endpoint {
+							remote-endpoint = <&admaif12_ep>;
+						};
+					};
+
+					port@d {
+						reg = <0xd>;
+
+						xbar_admaif13_ep: endpoint {
+							remote-endpoint = <&admaif13_ep>;
+						};
+					};
+
+					port@e {
+						reg = <0xe>;
+
+						xbar_admaif14_ep: endpoint {
+							remote-endpoint = <&admaif14_ep>;
+						};
+					};
+
+					port@f {
+						reg = <0xf>;
+
+						xbar_admaif15_ep: endpoint {
+							remote-endpoint = <&admaif15_ep>;
+						};
+					};
+
+					port@10 {
+						reg = <0x10>;
+
+						xbar_admaif16_ep: endpoint {
+							remote-endpoint = <&admaif16_ep>;
+						};
+					};
+
+					port@11 {
+						reg = <0x11>;
+
+						xbar_admaif17_ep: endpoint {
+							remote-endpoint = <&admaif17_ep>;
+						};
+					};
+
+					port@12 {
+						reg = <0x12>;
+
+						xbar_admaif18_ep: endpoint {
+							remote-endpoint = <&admaif18_ep>;
+						};
+					};
+
+					port@13 {
+						reg = <0x13>;
+
+						xbar_admaif19_ep: endpoint {
+							remote-endpoint = <&admaif19_ep>;
+						};
+					};
+
+					xbar_i2s3_port: port@16 {
+						reg = <0x16>;
+
+						xbar_i2s3_ep: endpoint {
+							remote-endpoint = <&i2s3_cif_ep>;
+						};
+					};
+
+					xbar_i2s5_port: port@18 {
+						reg = <0x18>;
+
+						xbar_i2s5_ep: endpoint {
+							remote-endpoint = <&i2s5_cif_ep>;
+						};
+					};
+
+					xbar_dmic1_port: port@1a {
+						reg = <0x1a>;
+
+						xbar_dmic1_ep: endpoint {
+							remote-endpoint = <&dmic1_cif_ep>;
+						};
+					};
+
+					xbar_dmic2_port: port@1b {
+						reg = <0x1b>;
+
+						xbar_dmic2_ep: endpoint {
+							remote-endpoint = <&dmic2_cif_ep>;
+						};
+					};
+
+					xbar_dmic4_port: port@1d {
+						reg = <0x1d>;
+
+						xbar_dmic4_ep: endpoint {
+							remote-endpoint = <&dmic4_cif_ep>;
+						};
+					};
+
+					xbar_dspk1_port: port@1e {
+						reg = <0x1e>;
+
+						xbar_dspk1_ep: endpoint {
+							remote-endpoint = <&dspk1_cif_ep>;
+						};
+					};
+
+					xbar_dspk2_port: port@1f {
+						reg = <0x1f>;
+
+						xbar_dspk2_ep: endpoint {
+							remote-endpoint = <&dspk2_cif_ep>;
+						};
+					};
+				};
+
+				admaif@290f000 {
+					status = "okay";
+
+					ports {
+						#address-cells = <1>;
+						#size-cells = <0>;
+
+						admaif0_port: port@0 {
+							reg = <0x0>;
+
+							admaif0_ep: endpoint {
+								remote-endpoint = <&xbar_admaif0_ep>;
+							};
+						};
+
+						admaif1_port: port@1 {
+							reg = <0x1>;
+
+							admaif1_ep: endpoint {
+								remote-endpoint = <&xbar_admaif1_ep>;
+							};
+						};
+
+						admaif2_port: port@2 {
+							reg = <0x2>;
+
+							admaif2_ep: endpoint {
+								remote-endpoint = <&xbar_admaif2_ep>;
+							};
+						};
+
+						admaif3_port: port@3 {
+							reg = <0x3>;
+
+							admaif3_ep: endpoint {
+								remote-endpoint = <&xbar_admaif3_ep>;
+							};
+						};
+
+						admaif4_port: port@4 {
+							reg = <0x4>;
+
+							admaif4_ep: endpoint {
+								remote-endpoint = <&xbar_admaif4_ep>;
+							};
+						};
+
+						admaif5_port: port@5 {
+							reg = <0x5>;
+
+							admaif5_ep: endpoint {
+								remote-endpoint = <&xbar_admaif5_ep>;
+							};
+						};
+
+						admaif6_port: port@6 {
+							reg = <0x6>;
+
+							admaif6_ep: endpoint {
+								remote-endpoint = <&xbar_admaif6_ep>;
+							};
+						};
+
+						admaif7_port: port@7 {
+							reg = <0x7>;
+
+							admaif7_ep: endpoint {
+								remote-endpoint = <&xbar_admaif7_ep>;
+							};
+						};
+
+						admaif8_port: port@8 {
+							reg = <0x8>;
+
+							admaif8_ep: endpoint {
+								remote-endpoint = <&xbar_admaif8_ep>;
+							};
+						};
+
+						admaif9_port: port@9 {
+							reg = <0x9>;
+
+							admaif9_ep: endpoint {
+								remote-endpoint = <&xbar_admaif9_ep>;
+							};
+						};
+
+						admaif10_port: port@a {
+							reg = <0xa>;
+
+							admaif10_ep: endpoint {
+								remote-endpoint = <&xbar_admaif10_ep>;
+							};
+						};
+
+						admaif11_port: port@b {
+							reg = <0xb>;
+
+							admaif11_ep: endpoint {
+								remote-endpoint = <&xbar_admaif11_ep>;
+							};
+						};
+
+						admaif12_port: port@c {
+							reg = <0xc>;
+
+							admaif12_ep: endpoint {
+								remote-endpoint = <&xbar_admaif12_ep>;
+							};
+						};
+
+						admaif13_port: port@d {
+							reg = <0xd>;
+
+							admaif13_ep: endpoint {
+								remote-endpoint = <&xbar_admaif13_ep>;
+							};
+						};
+
+						admaif14_port: port@e {
+							reg = <0xe>;
+
+							admaif14_ep: endpoint {
+								remote-endpoint = <&xbar_admaif14_ep>;
+							};
+						};
+
+						admaif15_port: port@f {
+							reg = <0xf>;
+
+							admaif15_ep: endpoint {
+								remote-endpoint = <&xbar_admaif15_ep>;
+							};
+						};
+
+						admaif16_port: port@10 {
+							reg = <0x10>;
+
+							admaif16_ep: endpoint {
+								remote-endpoint = <&xbar_admaif16_ep>;
+							};
+						};
+
+						admaif17_port: port@11 {
+							reg = <0x11>;
+
+							admaif17_ep: endpoint {
+								remote-endpoint = <&xbar_admaif17_ep>;
+							};
+						};
+
+						admaif18_port: port@12 {
+							reg = <0x12>;
+
+							admaif18_ep: endpoint {
+								remote-endpoint = <&xbar_admaif18_ep>;
+							};
+						};
+
+						admaif19_port: port@13 {
+							reg = <0x13>;
+
+							admaif19_ep: endpoint {
+								remote-endpoint = <&xbar_admaif19_ep>;
+							};
+						};
+					};
+				};
+
+				i2s@2901200 {
+					status = "okay";
+
+					ports {
+						#address-cells = <1>;
+						#size-cells = <0>;
+
+						port@0 {
+							reg = <0>;
+
+							i2s3_cif_ep: endpoint {
+								remote-endpoint = <&xbar_i2s3_ep>;
+							};
+						};
+
+						i2s3_port: port@1 {
+							reg = <1>;
+
+							i2s3_dap_ep: endpoint {
+								dai-format = "i2s";
+								/* Place holder for external Codec */
+							};
+						};
+					};
+				};
+
+				i2s@2901400 {
+					status = "okay";
+
+					ports {
+						#address-cells = <1>;
+						#size-cells = <0>;
+
+						port@0 {
+							reg = <0>;
+
+							i2s5_cif_ep: endpoint {
+								remote-endpoint = <&xbar_i2s5_ep>;
+							};
+						};
+
+						i2s5_port: port@1 {
+							reg = <1>;
+
+							i2s5_dap_ep: endpoint@0 {
+								dai-format = "i2s";
+								/* Place holder for external Codec */
+							};
+						};
+					};
+				};
+
+				dmic@2904000 {
+					status = "okay";
+
+					ports {
+						#address-cells = <1>;
+						#size-cells = <0>;
+
+						port@0 {
+							reg = <0>;
+
+							dmic1_cif_ep: endpoint {
+								remote-endpoint = <&xbar_dmic1_ep>;
+							};
+						};
+
+						dmic1_port: port@1 {
+							reg = <1>;
+
+							dmic1_dap_ep: endpoint {
+								/* Place holder for external Codec */
+							};
+						};
+					};
+				};
+
+				dmic@2904100 {
+					status = "okay";
+
+					ports {
+						#address-cells = <1>;
+						#size-cells = <0>;
+
+						port@0 {
+							reg = <0>;
+
+							dmic2_cif_ep: endpoint {
+								remote-endpoint = <&xbar_dmic2_ep>;
+							};
+						};
+
+						dmic2_port: port@1 {
+							reg = <1>;
+
+							dmic2_dap_ep: endpoint {
+								/* Place holder for external Codec */
+							};
+						};
+					};
+				};
+
+				dmic@2904300 {
+					status = "okay";
+
+					ports {
+						#address-cells = <1>;
+						#size-cells = <0>;
+
+						port@0 {
+							reg = <0>;
+
+							dmic4_cif_ep: endpoint {
+								remote-endpoint = <&xbar_dmic4_ep>;
+							};
+						};
+
+						dmic4_port: port@1 {
+							reg = <1>;
+
+							dmic4_dap_ep: endpoint {
+								/* Place holder for external Codec */
+							};
+						};
+					};
+				};
+
+				dspk@2905000 {
+					status = "okay";
+
+					ports {
+						#address-cells = <1>;
+						#size-cells = <0>;
+
+						port@0 {
+							reg = <0>;
+
+							dspk1_cif_ep: endpoint {
+								remote-endpoint = <&xbar_dspk1_ep>;
+							};
+						};
+
+						dspk1_port: port@1 {
+							reg = <1>;
+
+							dspk1_dap_ep: endpoint {
+								/* Place holder for external Codec */
+							};
+						};
+					};
+				};
+
+				dspk@2905100 {
+					status = "okay";
+
+					ports {
+						#address-cells = <1>;
+						#size-cells = <0>;
+
+						port@0 {
+							reg = <0>;
+
+							dspk2_cif_ep: endpoint {
+								remote-endpoint = <&xbar_dspk2_ep>;
+							};
+						};
+
+						dspk2_port: port@1 {
+							reg = <1>;
+
+							dspk2_dap_ep: endpoint {
+								/* Place holder for external Codec */
+							};
+						};
+					};
+				};
+			};
 		};
 
 		ddc: i2c@3190000 {
@@ -265,6 +836,28 @@ vdd_hdmi: regulator@104 {
 		regulator-boot-on;
 	};
 
+	sound {
+		compatible = "nvidia,tegra186-audio-graph-card";
+		status = "okay";
+
+		dais = /* ADMAIF (FE) Ports */
+		       <&admaif0_port>, <&admaif1_port>, <&admaif2_port>, <&admaif3_port>,
+		       <&admaif4_port>, <&admaif5_port>, <&admaif6_port>, <&admaif7_port>,
+		       <&admaif8_port>, <&admaif9_port>, <&admaif10_port>, <&admaif11_port>,
+		       <&admaif12_port>, <&admaif13_port>, <&admaif14_port>, <&admaif15_port>,
+		       <&admaif16_port>, <&admaif17_port>, <&admaif18_port>, <&admaif19_port>,
+		       /* XBAR Ports */
+		       <&xbar_i2s3_port>, <&xbar_i2s5_port>,
+		       <&xbar_dmic1_port>, <&xbar_dmic2_port>, <&xbar_dmic4_port>,
+		       <&xbar_dspk1_port>, <&xbar_dspk2_port>,
+		       /* BE I/O Ports */
+		       <&i2s3_port>, <&i2s5_port>,
+		       <&dmic1_port>, <&dmic2_port>, <&dmic4_port>,
+		       <&dspk1_port>, <&dspk2_port>;
+
+		label = "NVIDIA Jetson Xavier NX APE";
+	};
+
 	thermal-zones {
 		cpu {
 			polling-delay = <0>;