linux-kernel - [PATCH 1/4] ASoC: dt-bindings: Add WSA883x bindings

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Message-Id: <20220629090644.67982-2-srinivas.kandagatla@linaro.org>
Date:   Wed, 29 Jun 2022 10:06:41 +0100
From:   Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
To:     broonie@...nel.org
Cc:     alsa-devel@...a-project.org, lgirdwood@...il.com, perex@...ex.cz,
        tiwai@...e.com, linux-kernel@...r.kernel.org,
        Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
Subject: [PATCH 1/4] ASoC: dt-bindings: Add WSA883x bindings

This patch adds bindings for WSA883x Smart Speaker Amplifier.
This Amplifier also has a simple thermal sensor for temperature
measurments with speaker protection.

Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
---
 .../bindings/sound/qcom,wsa883x.yaml          | 74 +++++++++++++++++++
 1 file changed, 74 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/sound/qcom,wsa883x.yaml

diff --git a/Documentation/devicetree/bindings/sound/qcom,wsa883x.yaml b/Documentation/devicetree/bindings/sound/qcom,wsa883x.yaml
new file mode 100644
index 000000000000..6113f65f2990
--- /dev/null
+++ b/Documentation/devicetree/bindings/sound/qcom,wsa883x.yaml
@@ -0,0 +1,74 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/sound/qcom,wsa883x.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Bindings for The Qualcomm WSA8830/WSA8832/WSA8835
+  smart speaker amplifier
+
+maintainers:
+  - Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
+
+description: |
+  WSA883X is the Qualcomm Aqstic smart speaker amplifier
+  Their primary operating mode uses a SoundWire digital audio
+  interface. This binding is for SoundWire interface.
+
+properties:
+  compatible:
+    const: sdw10217020200
+
+  reg:
+    maxItems: 1
+
+  powerdown-gpios:
+    description: GPIO spec for Powerdown/Shutdown line to use
+    maxItems: 1
+
+  vdd-supply:
+    description: VDD Supply for the Codec
+
+  '#thermal-sensor-cells':
+    const: 0
+
+  '#sound-dai-cells':
+    const: 0
+
+required:
+  - compatible
+  - reg
+  - vdd-supply
+  - powerdown-gpios
+  - "#thermal-sensor-cells"
+  - "#sound-dai-cells"
+
+additionalProperties: false
+
+examples:
+  - |
+    soundwire-controller@...0000 {
+        #address-cells = <2>;
+        #size-cells = <0>;
+        reg = <0x3250000 0x2000>;
+
+        speaker@0,1 {
+            compatible = "sdw10217020200";
+            reg = <0 1>;
+            powerdown-gpios = <&tlmm 1 0>;
+            vdd-supply = <&vreg_s10b_1p8>;
+            #thermal-sensor-cells = <0>;
+            #sound-dai-cells = <0>;
+        };
+
+        speaker@0,2 {
+            compatible = "sdw10217020200";
+            reg = <0 2>;
+            powerdown-gpios = <&tlmm 89 0>;
+            vdd-supply = <&vreg_s10b_1p8>;
+            #thermal-sensor-cells = <0>;
+            #sound-dai-cells = <0>;
+        };
+    };
+
+...
-- 
2.25.1