From mboxrd@z Thu Jan 1 00:00:00 1970 From: Srinivas Kandagatla Subject: [RFC PATCH 4/5] dt-bindings: ASoC: Add WSA881x bindings Date: Tue, 11 Jun 2019 11:40:42 +0100 Message-ID: <20190611104043.22181-5-srinivas.kandagatla@linaro.org> References: <20190611104043.22181-1-srinivas.kandagatla@linaro.org> Mime-Version: 1.0 Content-Transfer-Encoding: 8bit Return-path: In-Reply-To: <20190611104043.22181-1-srinivas.kandagatla@linaro.org> Sender: linux-kernel-owner@vger.kernel.org To: broonie@kernel.org, vkoul@kernel.org Cc: robh+dt@kernel.org, devicetree@vger.kernel.org, mark.rutland@arm.com, pierre-louis.bossart@linux.intel.com, alsa-devel@alsa-project.org, linux-kernel@vger.kernel.org, bgoswami@quicinc.com, Srinivas Kandagatla List-Id: devicetree@vger.kernel.org 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 --- .../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