1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/sound/qcom,wcd937x.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: Qualcomm WCD9370/WCD9375 Audio Codec
8
9 maintainers:
10 - Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
11
12 description:
13 Qualcomm WCD9370/WCD9375 Codec is a standalone Hi-Fi audio codec IC.
14 It has RX and TX Soundwire slave devices.
15
16 allOf:
17 - $ref: dai-common.yaml#
18 - $ref: qcom,wcd93xx-common.yaml#
19
20 properties:
21 compatible:
22 oneOf:
23 - const: qcom,wcd9370-codec
24 - items:
25 - const: qcom,wcd9375-codec
26 - const: qcom,wcd9370-codec
27
28 vdd-px-supply:
29 description: A reference to the 1.8V I/O supply
30
31 required:
32 - compatible
33 - vdd-px-supply
34
35 unevaluatedProperties: false
36
37 examples:
38 - |
39 #include <dt-bindings/gpio/gpio.h>
40 codec {
41 compatible = "qcom,wcd9370-codec";
42 pinctrl-names = "default", "sleep";
43 pinctrl-0 = <&wcd_reset_n>;
44 pinctrl-1 = <&wcd_reset_n_sleep>;
45 reset-gpios = <&tlmm 83 GPIO_ACTIVE_LOW>;
46 vdd-buck-supply = <&vreg_l17b_1p8>;
47 vdd-rxtx-supply = <&vreg_l18b_1p8>;
48 vdd-px-supply = <&vreg_l18b_1p8>;
49 vdd-mic-bias-supply = <&vreg_bob>;
50 qcom,micbias1-microvolt = <1800000>;
51 qcom,micbias2-microvolt = <1800000>;
52 qcom,micbias3-microvolt = <1800000>;
53 qcom,micbias4-microvolt = <1800000>;
54 qcom,rx-device = <&wcd937x_rx>;
55 qcom,tx-device = <&wcd937x_tx>;
56 #sound-dai-cells = <1>;
57 };
58
59 /* ... */
60
61 soundwire@3210000 {
62 reg = <0x03210000 0x2000>;
63 #address-cells = <2>;
64 #size-cells = <0>;
65 wcd937x_rx: codec@0,4 {
66 compatible = "sdw20217010a00";
67 reg = <0 4>;
68 qcom,rx-port-mapping = <1 2 3 4 5>;
69 };
70 };
71
72 soundwire@3230000 {
73 reg = <0x03230000 0x2000>;
74 #address-cells = <2>;
75 #size-cells = <0>;
76 wcd937x_tx: codec@0,3 {
77 compatible = "sdw20217010a00";
78 reg = <0 3>;
79 qcom,tx-port-mapping = <1 2 3 4>;
80 };
81 };
82 ...
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