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Message-Id: <20210319092919.21218-2-srinivas.kandagatla@linaro.org>
Date: Fri, 19 Mar 2021 09:29:13 +0000
From: Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
To: broonie@...nel.org
Cc: robh@...nel.org, devicetree@...r.kernel.org, lgirdwood@...il.com,
perex@...ex.cz, linux-kernel@...r.kernel.org,
alsa-devel@...a-project.org,
Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
Subject: [PATCH v3 1/7] ASoC: dt-bindings: wcd938x: add bindings for wcd938x
Qualcomm WCD9380/WCD9385 Codec is a standalone Hi-Fi audio codec IC
connected over SoundWire. This device has two SoundWire device RX and
TX respectively, supporting 4 x ADCs, ClassH, Ear, Aux PA, 2xHPH,
7 x TX diff inputs, 8 DMICs, MBHC.
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
---
.../bindings/sound/qcom,wcd938x.yaml | 165 ++++++++++++++++++
1 file changed, 165 insertions(+)
create mode 100644 Documentation/devicetree/bindings/sound/qcom,wcd938x.yaml
diff --git a/Documentation/devicetree/bindings/sound/qcom,wcd938x.yaml b/Documentation/devicetree/bindings/sound/qcom,wcd938x.yaml
new file mode 100644
index 000000000000..fe47e483d4b9
--- /dev/null
+++ b/Documentation/devicetree/bindings/sound/qcom,wcd938x.yaml
@@ -0,0 +1,165 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/sound/qcom,wcd938x.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Bindings for Qualcomm WCD9380/WCD9385 Audio Codec
+
+maintainers:
+ - Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
+
+description: |
+ Qualcomm WCD9380/WCD9385 Codec is a standalone Hi-Fi audio codec IC.
+ It has RX and TX Soundwire slave devices.
+
+properties:
+ compatible:
+ const: sdw20217010d00
+
+ reg:
+ maxItems: 1
+
+ reset-gpios:
+ description: GPIO spec for reset line to use
+ maxItems: 1
+
+ direction:
+ oneOf:
+ - const: rx
+ - const: tx
+
+ vdd-buck-supply:
+ description: A reference to the 1.8V buck supply
+
+ vdd-rxtx-supply:
+ description: A reference to the 1.8V rx supply
+
+ vdd-io-supply:
+ description: A reference to the 1.8V I/O supply
+
+ qcom,micbias1-microvolt:
+ description: micbias1 voltage
+ minimum: 1800000
+ maximum: 2850000
+
+ qcom,micbias2-microvolt:
+ description: micbias2 voltage
+ minimum: 1800000
+ maximum: 2850000
+
+ qcom,micbias3-microvolt:
+ description: micbias3 voltage
+ minimum: 1800000
+ maximum: 2850000
+
+ qcom,micbias4-microvolt:
+ description: micbias4 voltage
+ minimum: 1800000
+ maximum: 2850000
+
+ qcom,mbhc-hphl-switch:
+ description: Indicates that HPHL switch type is normally closed
+ type: boolean
+
+ qcom,mbhc-ground-switch:
+ description: Indicates that Headset Ground switch type is normally closed
+ type: boolean
+
+ qcom,mbhc-button0-vthreshold-microvolt:
+ description: Voltage threshold value headset button0
+ minimum: 0
+ maximum: 500000
+
+ qcom,mbhc-button1-vthreshold-microvolt:
+ description: Voltage threshold value headset button1
+ minimum: 0
+ maximum: 500000
+
+ qcom,mbhc-button2-vthreshold-microvolt:
+ description: Voltage threshold value headset button2
+ minimum: 0
+ maximum: 500000
+
+ qcom,mbhc-button3-vthreshold-microvolt:
+ description: Voltage threshold value headset button3
+ minimum: 0
+ maximum: 500000
+
+ qcom,mbhc-button4-vthreshold-microvolt:
+ description: Voltage threshold value headset button4
+ minimum: 0
+ maximum: 500000
+
+ qcom,mbhc-button5-vthreshold-microvolt:
+ description: Voltage threshold value headset button5
+ minimum: 0
+ maximum: 500000
+
+ qcom,mbhc-button6-vthreshold-microvolt:
+ description: Voltage threshold value headset button6
+ minimum: 0
+ maximum: 500000
+
+ qcom,mbhc-button7-vthreshold-microvolt:
+ description: Voltage threshold value headset button7
+ minimum: 0
+ maximum: 500000
+
+ qcom,port-mapping:
+ description: |
+ Specifies static port mapping between slave and master ports.
+ In the order of slave port index.
+ $ref: /schemas/types.yaml#/definitions/uint32-array
+ minItems: 4
+ maxItems: 5
+
+ '#sound-dai-cells':
+ const: 1
+
+required:
+ - compatible
+ - reg
+ - reset-gpios
+ - qcom,micbias1-microvolt
+ - qcom,micbias2-microvolt
+ - qcom,micbias3-microvolt
+ - qcom,micbias4-microvolt
+ - qcom,port-mapping
+ - qcom,mbhc-hphl-switch
+ - qcom,mbhc-ground-switch
+ - "#sound-dai-cells"
+
+additionalProperties: false
+
+examples:
+ - |
+ soundwire@...0000 {
+ #address-cells = <2>;
+ #size-cells = <0>;
+ reg = <0x03230000 0x2000>;
+
+ codec@0,3 {
+ compatible = "sdw20217010d00";
+ reg = <0 3>;
+ reset-gpios = <&tlmm 32 0>;
+ direction = "tx";
+ #sound-dai-cells = <1>;
+ qcom,micbias1-microvolt = <1800000>;
+ qcom,micbias2-microvolt = <1800000>;
+ qcom,micbias3-microvolt = <1800000>;
+ qcom,micbias4-microvolt = <1800000>;
+ qcom,mbhc-hphl-switch;
+ qcom,mbhc-ground-switch;
+ qcom,mbhc-button0-vthreshold-microvolt = <75000>;
+ qcom,mbhc-button1-vthreshold-microvolt = <150000>;
+ qcom,mbhc-button2-vthreshold-microvolt = <237000>;
+ qcom,mbhc-button3-vthreshold-microvolt = <500000>;
+ qcom,mbhc-button5-vthreshold-microvolt = <500000>;
+ qcom,mbhc-button6-vthreshold-microvolt = <500000>;
+ qcom,mbhc-button7-vthreshold-microvolt = <500000>;
+ qcom,port-mapping = <2 3 4 5>;
+ };
+ };
+
+...
--
2.21.0
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