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[86.30.250.44]) by smtp.gmail.com with ESMTPSA id k9sm4398243wrq.15.2019.08.29.09.36.38 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 29 Aug 2019 09:36:38 -0700 (PDT) From: Srinivas Kandagatla To: broonie@kernel.org, robh+dt@kernel.org, vkoul@kernel.org Date: Thu, 29 Aug 2019 17:35:13 +0100 Message-Id: <20190829163514.11221-4-srinivas.kandagatla@linaro.org> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20190829163514.11221-1-srinivas.kandagatla@linaro.org> References: <20190829163514.11221-1-srinivas.kandagatla@linaro.org> MIME-Version: 1.0 Cc: devicetree@vger.kernel.org, alsa-devel@alsa-project.org, bgoswami@codeaurora.org, spapothi@codeaurora.org, lgirdwood@gmail.com, linux-kernel@vger.kernel.org, Srinivas Kandagatla Subject: [alsa-devel] [PATCH v6 3/4] dt-bindings: ASoC: Add WSA881x bindings X-BeenThere: alsa-devel@alsa-project.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: alsa-devel-bounces@alsa-project.org Sender: "Alsa-devel" 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 Reviewed-by: Rob Herring --- .../bindings/sound/qcom,wsa881x.yaml | 62 +++++++++++++++++++ 1 file changed, 62 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..faa90966a33a --- /dev/null +++ b/Documentation/devicetree/bindings/sound/qcom,wsa881x.yaml @@ -0,0 +1,62 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%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 + +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 + +required: + - compatible + - reg + - powerdown-gpios + - "#thermal-sensor-cells" + +additionalProperties: false + +examples: + - | + soundwire@c2d0000 { + #address-cells = <2>; + #size-cells = <0>; + reg = <0x0c2d0000 0x2000>; + + speaker@0,1 { + compatible = "sdw10217201000"; + reg = <0 1>; + powerdown-gpios = <&wcdpinctrl 2 0>; + #thermal-sensor-cells = <0>; + }; + + speaker@0,2 { + compatible = "sdw10217201000"; + reg = <0 2>; + powerdown-gpios = <&wcdpinctrl 2 0>; + #thermal-sensor-cells = <0>; + }; + }; + +...