ASoC: codecs: add TAS2557 mono smart amplifier driver and tulip/jasmine_sprout enablement

Documentation/devicetree/bindings/sound/ti,tas2557.yaml

@@ -0,0 +1,123 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+# Copyright (C) 2026 Gianluca Boiano <morf3089@gmail.com>
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/sound/ti,tas2557.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Texas Instruments TAS2557 Mono Smart Amplifier
+
+maintainers:
+  - Gianluca Boiano <morf3089@gmail.com>
+
+description: |
+  The TAS2557 is a mono, digital-input Class-D amplifier with an
+  integrated DSP for speaker protection. Audio is carried over I2S/TDM
+  (ASI). The on-chip DSP boots from a firmware image that is generated
+  for a specific speaker design using the TI PurePath Console tuning
+  tools.
+
+  Stereo playback is built from two devices, each reproducing one audio
+  slot selected through the ti,channel property and applying the
+  matching per-device tuning contained in a stereo-tuned firmware
+  image.
+
+  Datasheet: https://www.ti.com/lit/gpn/tas2557
+
+allOf:
+  - $ref: dai-common.yaml#
+
+properties:
+  compatible:
+    const: ti,tas2557
+
+  reg:
+    maxItems: 1
+
+  '#sound-dai-cells':
+    const: 0
+
+  reset-gpios:
+    maxItems: 1
+    description: GPIO connected to the active-low RESET pin.
+
+  interrupts:
+    maxItems: 1
+    description: Fault interrupt output (INT).
+
+  vbat-supply:
+    description: Battery/boost input supply (VBAT), 2.9 V to 5.5 V.
+
+  iovdd-supply:
+    description: Digital I/O supply, 1.62 V to 3.6 V.
+
+  avdd-supply:
+    description: Analog supply, 1.65 V to 1.95 V.
+
+  dvdd-supply:
+    description: Digital core supply, 1.65 V to 1.95 V.
+
+  ti,imon-slot-no:
+    $ref: /schemas/types.yaml#/definitions/uint32
+    description: TDM TX time slot for current-sense data.
+    default: 0
+    minimum: 0
+    maximum: 7
+
+  ti,vmon-slot-no:
+    $ref: /schemas/types.yaml#/definitions/uint32
+    description: TDM TX time slot for voltage-sense data.
+    default: 2
+    minimum: 0
+    maximum: 7
+
+  ti,channel:
+    $ref: /schemas/types.yaml#/definitions/uint32
+    description: |
+      Audio slot of the stereo stream reproduced by this device (0 =
+      left, 1 = right). With stereo firmware this also selects which
+      per-device tuning set is applied.
+    enum: [0, 1]
+    default: 0
+
+  firmware-name:
+    $ref: /schemas/types.yaml#/definitions/string
+    description: |
+      Name of the DSP firmware image to load. Defaults to a name
+      derived from the silicon revision. Stereo systems typically use
+      a stereo-tuned image shared by both devices.
+
+required:
+  - compatible
+  - reg
+  - '#sound-dai-cells'
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/gpio/gpio.h>
+    #include <dt-bindings/interrupt-controller/irq.h>
+
+    i2c {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        audio-codec@4c {
+            compatible = "ti,tas2557";
+            reg = <0x4c>;
+            #sound-dai-cells = <0>;
+            reset-gpios = <&tlmm 77 GPIO_ACTIVE_LOW>;
+            interrupt-parent = <&tlmm>;
+            interrupts = <73 IRQ_TYPE_LEVEL_HIGH>;
+
+            vbat-supply = <&vph_pwr>;
+            iovdd-supply = <&vreg_l6b_1p8>;
+            avdd-supply = <&vreg_l6b_1p8>;
+            dvdd-supply = <&vreg_l6b_1p8>;
+
+            ti,imon-slot-no = <0>;
+            ti,vmon-slot-no = <2>;
+            ti,channel = <0>;
+        };
+    };

MAINTAINERS

@@ -26112,6 +26112,7 @@ M:	Baojun Xu <baojun.xu@ti.com>
 L:	linux-sound@vger.kernel.org
 S:	Maintained
 F:	Documentation/devicetree/bindings/sound/ti,tas2552.yaml
+F:	Documentation/devicetree/bindings/sound/ti,tas2557.yaml
 F:	Documentation/devicetree/bindings/sound/ti,tas2562.yaml
 F:	Documentation/devicetree/bindings/sound/ti,tas2770.yaml
 F:	Documentation/devicetree/bindings/sound/ti,tas27xx.yaml

arch/arm64/boot/dts/qcom/sdm636-xiaomi-tulip.dts

@@ -173,12 +173,24 @@
 	};
 };
 
-&blsp_i2c2 {
-	status = "okay";
-};
-
 &blsp_i2c6 {
 	status = "okay";
+
+	tas2557: codec@4c {
+		compatible = "ti,tas2557";
+		reg = <0x4c>;
+		#sound-dai-cells = <0>;
+
+		reset-gpios = <&tlmm 77 GPIO_ACTIVE_LOW>;
+		interrupts-extended = <&tlmm 73 IRQ_TYPE_LEVEL_HIGH>;
+
+		vbat-supply = <&vph_pwr>;
+		iovdd-supply = <&vreg_l6b_1p8>;
+		avdd-supply = <&vreg_l6b_1p8>;
+		dvdd-supply = <&vreg_l6b_1p8>;
+
+		ti,channel = <0>;
+	};
 };
 
 &blsp1_uart2 {
@@ -328,6 +340,11 @@
 };
 
 &q6afedai {
+	dai@16 {
+		reg = <PRIMARY_MI2S_RX>;
+		qcom,sd-lines = <0>;
+	};
+
 	dai@81 {
 		reg = <INT0_MI2S_RX>;
 		qcom,sd-lines = <0 1>;
@@ -446,6 +463,12 @@
 			regulator-allow-set-load;
 		};
 
+		vreg_l6b_1p8: l6 {
+			regulator-min-microvolt = <1800000>;
+			regulator-max-microvolt = <1800000>;
+			regulator-enable-ramp-delay = <250>;
+		};
+
 		vreg_l7b_3p125: l7 {
 			regulator-min-microvolt = <2700000>;
 			regulator-max-microvolt = <3125000>;
@@ -661,7 +684,8 @@
 	model = "Xiaomi Redmi Note 6 Pro";
 
 	pinctrl-0 = <&cdc_pdm_default>,
-			<&cdc_dmic_default>;
+			<&cdc_dmic_default>,
+			<&pri_mi2s_active>;
 	pinctrl-names = "default";
 
 	audio-routing = "RX_BIAS", "Digital MCLK",
@@ -676,7 +700,8 @@
 			"PDM_RX3", "Digital PDM_RX3",
 			"Digital LPASS_PDM_TX", "PDM_TX",
 			"AMIC1", "MIC BIAS External1",
-			"AMIC2", "MIC BIAS External2";
+			"AMIC2", "MIC BIAS External2",
+			"ASI2", "Primary MI2S Playback";
 
 	mm1-dai-link {
 		link-name = "MultiMedia1";
@@ -711,6 +736,22 @@
 		};
 	};
 
+	pri-mi2s-dai-link {
+		link-name = "Primary MI2S Playback";
+
+		cpu {
+			sound-dai = <&q6afedai PRIMARY_MI2S_RX>;
+		};
+
+		platform {
+			sound-dai = <&q6routing>;
+		};
+
+		codec {
+			sound-dai = <&tas2557>;
+		};
+	};
+
 	int3-mi2s-dai-link {
 		link-name = "Internal MI2S Capture";
 
@@ -780,6 +821,52 @@
 		drive-strength = <2>;
 		bias-disable;
 	};
+
+	pri_mi2s_active: pri-mi2s-active-state {
+		sck-pins {
+			pins = "gpio12";
+			function = "pri_mi2s";
+			drive-strength = <8>;
+			bias-disable;
+		};
+
+		ws-pins {
+			pins = "gpio13";
+			function = "pri_mi2s_ws";
+			drive-strength = <8>;
+			bias-disable;
+		};
+
+		data-pins {
+			pins = "gpio14", "gpio15";
+			function = "pri_mi2s";
+			drive-strength = <8>;
+			bias-disable;
+		};
+	};
+
+	pri_mi2s_sleep: pri-mi2s-sleep-state {
+		sck-pins {
+			pins = "gpio12";
+			function = "pri_mi2s";
+			drive-strength = <2>;
+			bias-pull-down;
+		};
+
+		ws-pins {
+			pins = "gpio13";
+			function = "pri_mi2s_ws";
+			drive-strength = <2>;
+			bias-pull-down;
+		};
+
+		data-pins {
+			pins = "gpio14", "gpio15";
+			function = "pri_mi2s";
+			drive-strength = <2>;
+			bias-pull-down;
+		};
+	};
 };
 
 &usb3 {