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

Enable support for audio-graph based sound card on Jetson AGX Xavier.
Following I/O interfaces are enabled.
  * I2S1, I2S2, I2S4 and I2S6
  * DMIC3
Signed-off-by: Sameer Pujar <spujar@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>

arch/arm64/boot/dts/nvidia/tegra194-p2972-0000.dts

@@ -21,6 +21,513 @@ 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_i2s1_port: port@14 {
+						reg = <0x14>;
+
+						xbar_i2s1_ep: endpoint {
+							remote-endpoint = <&i2s1_cif_ep>;
+						};
+					};
+
+					xbar_i2s2_port: port@15 {
+						reg = <0x15>;
+
+						xbar_i2s2_ep: endpoint {
+							remote-endpoint = <&i2s2_cif_ep>;
+						};
+					};
+
+					xbar_i2s4_port: port@17 {
+						reg = <0x17>;
+
+						xbar_i2s4_ep: endpoint {
+							remote-endpoint = <&i2s4_cif_ep>;
+						};
+					};
+
+					xbar_i2s6_port: port@19 {
+						reg = <0x19>;
+
+						xbar_i2s6_ep: endpoint {
+							remote-endpoint = <&i2s6_cif_ep>;
+						};
+					};
+
+					xbar_dmic3_port: port@1c {
+						reg = <0x1c>;
+
+						xbar_dmic3_ep: endpoint {
+							remote-endpoint = <&dmic3_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@2901000 {
+					status = "okay";
+
+					ports {
+						#address-cells = <1>;
+						#size-cells = <0>;
+
+						port@0 {
+							reg = <0>;
+
+							i2s1_cif_ep: endpoint {
+								remote-endpoint = <&xbar_i2s1_ep>;
+							};
+						};
+
+						i2s1_port: port@1 {
+							reg = <1>;
+
+							i2s1_dap_ep: endpoint {
+								dai-format = "i2s";
+								remote-endpoint = <&rt5658_ep>;
+							};
+						};
+					};
+				};
+
+				i2s@2901100 {
+					status = "okay";
+
+					ports {
+						#address-cells = <1>;
+						#size-cells = <0>;
+
+						port@0 {
+							reg = <0>;
+
+							i2s2_cif_ep: endpoint {
+								remote-endpoint = <&xbar_i2s2_ep>;
+							};
+						};
+
+						i2s2_port: port@1 {
+							reg = <1>;
+
+							i2s2_dap_ep: endpoint {
+								dai-format = "i2s";
+								/* Place holder for external Codec */
+							};
+						};
+					};
+				};
+
+				i2s@2901300 {
+					status = "okay";
+
+					ports {
+						#address-cells = <1>;
+						#size-cells = <0>;
+
+						port@0 {
+							reg = <0>;
+
+							i2s4_cif_ep: endpoint {
+								remote-endpoint = <&xbar_i2s4_ep>;
+							};
+						};
+
+						i2s4_port: port@1 {
+							reg = <1>;
+
+							i2s4_dap_ep: endpoint {
+								dai-format = "i2s";
+								/* Place holder for external Codec */
+							};
+						};
+					};
+				};
+
+				i2s@2901500 {
+					status = "okay";
+
+					ports {
+						#address-cells = <1>;
+						#size-cells = <0>;
+
+						port@0 {
+							reg = <0>;
+
+							i2s6_cif_ep: endpoint {
+								remote-endpoint = <&xbar_i2s6_ep>;
+							};
+						};
+
+						i2s6_port: port@1 {
+							reg = <1>;
+
+							i2s6_dap_ep: endpoint@0 {
+								dai-format = "i2s";
+								/* Place holder for external Codec */
+							};
+						};
+					};
+				};
+
+				dmic@2904200 {
+					status = "okay";
+
+					ports {
+						#address-cells = <1>;
+						#size-cells = <0>;
+
+						port@0 {
+							reg = <0>;
+
+							dmic3_cif_ep: endpoint {
+								remote-endpoint = <&xbar_dmic3_ep>;
+							};
+						};
+
+						dmic3_port: port@1 {
+							reg = <1>;
+
+							dmic3_dap_ep: endpoint {
+								/* Place holder for external Codec */
+							};
+						};
+					};
+				};
+			};
 		};
 
 		i2c@3160000 {
@@ -146,6 +653,14 @@ rt5658: audio-codec@1a {
 				interrupts = <TEGRA194_MAIN_GPIO(S, 5) GPIO_ACTIVE_HIGH>;
 				realtek,jd-src = <2>;
 				sound-name-prefix = "CVB-RT";
+
+				port {
+					rt5658_ep: endpoint {
+						remote-endpoint = <&i2s1_dap_ep>;
+						mclk-fs = <256>;
+						clocks = <&bpmp TEGRA194_CLK_AUD_MCLK>;
+					};
+				};
 			};
 		};
 
@@ -298,6 +813,47 @@ power {
 		};
 	};
 
+	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_i2s1_port>, <&xbar_i2s2_port>, <&xbar_i2s4_port>,
+		       <&xbar_i2s6_port>, <&xbar_dmic3_port>,
+		       /* BE I/O Ports */
+		       <&i2s1_port>, <&i2s2_port>, <&i2s4_port>, <&i2s6_port>,
+		       <&dmic3_port>;
+
+		label = "jetson-xavier-ape";
+
+		widgets =
+			"Microphone",	"CVB-RT MIC Jack",
+			"Microphone",	"CVB-RT MIC",
+			"Headphone",	"CVB-RT HP Jack",
+			"Speaker",	"CVB-RT SPK";
+
+		routing =
+			/* I2S1 <-> RT5658 */
+			"CVB-RT AIF1 Playback",	"I2S1 DAP-Playback",
+			"I2S1 DAP-Capture",	"CVB-RT AIF1 Capture",
+			/* RT5658 Codec controls */
+			"CVB-RT HP Jack",	"CVB-RT HPO L Playback",
+			"CVB-RT HP Jack",	"CVB-RT HPO R Playback",
+			"CVB-RT IN1P",		"CVB-RT MIC Jack",
+			"CVB-RT IN2P",		"CVB-RT MIC Jack",
+			"CVB-RT SPK",		"CVB-RT SPO Playback",
+			"CVB-RT DMIC L1",	"CVB-RT MIC",
+			"CVB-RT DMIC L2",	"CVB-RT MIC",
+			"CVB-RT DMIC R1",	"CVB-RT MIC",
+			"CVB-RT DMIC R2",	"CVB-RT MIC";
+	};
+
 	thermal-zones {
 		cpu {
 			polling-delay = <0>;

arch/arm64/boot/dts/nvidia/tegra194.dtsi

@@ -2351,6 +2351,26 @@ psci {
 		method = "smc";
 	};
 
+	sound {
+		status = "disabled";
+
+		clocks = <&bpmp TEGRA194_CLK_PLLA>,
+			 <&bpmp TEGRA194_CLK_PLLA_OUT0>;
+		clock-names = "pll_a", "plla_out0";
+		assigned-clocks = <&bpmp TEGRA194_CLK_PLLA>,
+				  <&bpmp TEGRA194_CLK_PLLA_OUT0>,
+				  <&bpmp TEGRA194_CLK_AUD_MCLK>;
+		assigned-clock-parents = <0>,
+					 <&bpmp TEGRA194_CLK_PLLA>,
+					 <&bpmp TEGRA194_CLK_PLLA_OUT0>;
+		/*
+		 * PLLA supports dynamic ramp. Below initial rate is chosen
+		 * for this to work and oscillate between base rates required
+		 * for 8x and 11.025x sample rate streams.
+		 */
+		assigned-clock-rates = <258000000>;
+	};
+
 	tcu: tcu {
 		compatible = "nvidia,tegra194-tcu";
 		mboxes = <&hsp_top0 TEGRA_HSP_MBOX_TYPE_SM TEGRA_HSP_SM_RX(0)>,