[alsa-devel] [PATCH v5 3/4] dt-bindings: ASoC: Add WSA881x bindings
Srinivas Kandagatla
srinivas.kandagatla at linaro.org
Thu Aug 29 16:44:41 CEST 2019
This patch adds bindings for WSA8810/WSA8815 Class-D Smart Speaker
Amplifier. This Amplifier also has a simple thermal sensor for
over temperature and speaker protection.
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla at linaro.org>
---
.../bindings/sound/qcom,wsa881x.yaml | 41 +++++++++++++++++++
1 file changed, 41 insertions(+)
create mode 100644 Documentation/devicetree/bindings/sound/qcom,wsa881x.yaml
diff --git a/Documentation/devicetree/bindings/sound/qcom,wsa881x.yaml b/Documentation/devicetree/bindings/sound/qcom,wsa881x.yaml
new file mode 100644
index 000000000000..7a486c024732
--- /dev/null
+++ b/Documentation/devicetree/bindings/sound/qcom,wsa881x.yaml
@@ -0,0 +1,41 @@
+# SPDX-License-Identifier: GPL-2.0
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/sound/qcom,wsa881x.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Bindings for Qualcomm WSA8810/WSA8815 Class-D Smart Speaker Amplifier
+
+maintainers:
+ - Srinivas Kandagatla <srinivas.kandagatla at linaro.org>
+
+description: |
+ WSA8810 is a class-D smart speaker amplifier and WSA8815
+ is a high-output power class-D smart speaker amplifier.
+ Their primary operating mode uses a SoundWire digital audio
+ interface. This binding is for SoundWire interface.
+
+properties:
+ compatible:
+ const: "sdw10217201000"
+
+ reg:
+ maxItems: 1
+
+ powerdown-gpios:
+ description: GPIO spec for Powerdown/Shutdown line to use
+ maxItems: 1
+
+ '#thermal-sensor-cells':
+ const: 0
+
+examples:
+ - |
+ speaker at 0,1 {
+ compatible = "sdw10217201000";
+ reg = <0 1>;
+ powerdown-gpios = <&wcdpinctrl 2 0>;
+ #thermal-sensor-cells = <0>;
+ };
+
+...
--
2.21.0
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