linux-kernel - [RFC PATCH 4/5] dt-bindings: ASoC: Add WSA881x bindings

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Date:   Tue, 11 Jun 2019 11:40:42 +0100
From:   Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
To:     broonie@...nel.org, vkoul@...nel.org
Cc:     robh+dt@...nel.org, devicetree@...r.kernel.org,
        mark.rutland@....com, pierre-louis.bossart@...ux.intel.com,
        alsa-devel@...a-project.org, linux-kernel@...r.kernel.org,
        bgoswami@...cinc.com,
        Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
Subject: [RFC PATCH 4/5] dt-bindings: ASoC: Add WSA881x bindings

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@...aro.org>
---
 .../bindings/sound/qcom,wsa881x.txt           | 27 +++++++++++++++++++
 1 file changed, 27 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/sound/qcom,wsa881x.txt

diff --git a/Documentation/devicetree/bindings/sound/qcom,wsa881x.txt b/Documentation/devicetree/bindings/sound/qcom,wsa881x.txt
new file mode 100644
index 000000000000..582db402a482
--- /dev/null
+++ b/Documentation/devicetree/bindings/sound/qcom,wsa881x.txt
@@ -0,0 +1,27 @@
+Bindings for Qualcomm WSA8810/WSA8815 Class-D Smart Speaker Amplifier
+
+WSA8810 is a class-D smart speaker amplifier and WSA8815 is a high-output
+power class-D smart speaker amplifier. This amplifier uses SoundWire
+digital audio as primary interface.
+
+Required properties with SoundWire Interface:
+
+- compatible:		Should be textual representation of SoundWire Enumeration
+			address.
+			Refer to soundwire/bus.txt for details.
+			Should be "sdw10,0217,2010,0" for WSA8810
+- sdw-instance-id:	Should be ('Instance ID') from SoundWire Enumeration
+		    	address.
+			Refer to soundwire/bus.txt for details.
+- pd-gpios: 		Should be phandle and gpio pair for
+			Powerdown/Shutdown pin.
+- #thermal-sensor-cells: Should be 0 
+
+Example:
+
+spkr_left:wsa8810-left{
+	compatible = "sdw10,0217,2010,0";
+	sdw-instance-id = <1>;
+	#thermal-sensor-cells = <0>;
+	...
+};
-- 
2.21.0