linux-kernel - [PATCH 1/3] ASoC: dt-bindings: Document Awinic AW8898 amplifier

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Message-Id: <20250406-aw8898-v1-1-58a2d554693f@lucaweiss.eu>
Date: Sun, 06 Apr 2025 15:03:15 +0200
From: Luca Weiss <luca@...aweiss.eu>
To: ~postmarketos/upstreaming@...ts.sr.ht, phone-devel@...r.kernel.org, 
 Liam Girdwood <lgirdwood@...il.com>, Mark Brown <broonie@...nel.org>, 
 Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, Jaroslav Kysela <perex@...ex.cz>, 
 Takashi Iwai <tiwai@...e.com>, Bjorn Andersson <andersson@...nel.org>, 
 Konrad Dybcio <konradybcio@...nel.org>, 
 Weidong Wang <wangweidong.a@...nic.com>
Cc: linux-sound@...r.kernel.org, devicetree@...r.kernel.org, 
 linux-kernel@...r.kernel.org, linux-arm-msm@...r.kernel.org, 
 Luca Weiss <luca@...aweiss.eu>
Subject: [PATCH 1/3] ASoC: dt-bindings: Document Awinic AW8898 amplifier

Add the bindings for the Awinic AW8898 amplifier.

Signed-off-by: Luca Weiss <luca@...aweiss.eu>
---
 .../devicetree/bindings/sound/awinic,aw8898.yaml   | 75 ++++++++++++++++++++++
 1 file changed, 75 insertions(+)

diff --git a/Documentation/devicetree/bindings/sound/awinic,aw8898.yaml b/Documentation/devicetree/bindings/sound/awinic,aw8898.yaml
new file mode 100644
index 0000000000000000000000000000000000000000..2be084e77253410fd66ded5242fc75174dbfc4f9
--- /dev/null
+++ b/Documentation/devicetree/bindings/sound/awinic,aw8898.yaml
@@ -0,0 +1,75 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/sound/awinic,aw8898.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Awinic AW8898 Audio Amplifier
+
+maintainers:
+  - Luca Weiss <luca@...aweiss.eu>
+
+description:
+  The AW8898 is an I2S/TDM input, high efficiency digital Smart K audio
+  amplifier with an integrated 9.5V smart boost converter, sound quality
+  enhancement algorithms and speaker protection.
+
+allOf:
+  - $ref: dai-common.yaml#
+
+properties:
+  compatible:
+    const: awinic,aw8898
+
+  reg:
+    maxItems: 1
+
+  reset-gpios:
+    maxItems: 1
+
+  interrupts:
+    maxItems: 1
+
+  dvdd-supply:
+    description:
+      Digital power supply
+
+  vddio-supply:
+    description:
+      Digital IO power supply
+
+  vdd-supply:
+    description:
+      Battery power supply
+
+  "#sound-dai-cells":
+    const: 0
+
+required:
+  - compatible
+  - reg
+  - reset-gpios
+  - "#sound-dai-cells"
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/gpio/gpio.h>
+    #include <dt-bindings/interrupt-controller/irq.h>
+
+    i2c {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        audio-codec@34 {
+            compatible = "awinic,aw8898";
+            reg = <0x34>;
+            reset-gpios = <&tlmm 21 GPIO_ACTIVE_LOW>;
+            interrupts-extended = <&tlmm 20 IRQ_TYPE_LEVEL_HIGH>;
+            dvdd-supply = <&pm8953_l5>;
+            vddio-supply = <&pm8953_l5>;
+            vdd-supply = <&vph_pwr>;
+            #sound-dai-cells = <0>;
+        };
+    };

-- 
2.49.0