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-sdw.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: Qualcomm SoundWire Slave devices on WCD9370/WCD9375
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. This bindings is for the
15 slave devices.
16
17 properties:
18 compatible:
19 const: sdw20217010a00
20
21 reg:
22 maxItems: 1
23
24 qcom,tx-port-mapping:
25 description: |
26 Specifies static port mapping between device and host tx ports.
27 In the order of the device port index which are adc1_port, adc23_port,
28 dmic03_mbhc_port, dmic46_port.
29 Supports maximum 4 tx soundwire ports.
30
31 WCD9370 TX Port 1 (ADC1) <=> SWR2 Port 2
32 WCD9370 TX Port 2 (ADC2, 3) <=> SWR2 Port 2
33 WCD9370 TX Port 3 (DMIC0,1,2,3 & MBHC) <=> SWR2 Port 3
34 WCD9370 TX Port 4 (DMIC4,5,6,7) <=> SWR2 Port 4
35
36 $ref: /schemas/types.yaml#/definitions/uint32-array
37 minItems: 4
38 maxItems: 4
39 items:
40 enum: [1, 2, 3, 4]
41
42 qcom,rx-port-mapping:
43 description: |
44 Specifies static port mapping between device and host rx ports.
45 In the order of device port index which are hph_port, clsh_port,
46 comp_port, lo_port, dsd port.
47 Supports maximum 5 rx soundwire ports.
48
49 WCD9370 RX Port 1 (HPH_L/R) <==> SWR1 Port 1 (HPH_L/R)
50 WCD9370 RX Port 2 (CLSH) <==> SWR1 Port 2 (CLSH)
51 WCD9370 RX Port 3 (COMP_L/R) <==> SWR1 Port 3 (COMP_L/R)
52 WCD9370 RX Port 4 (LO) <==> SWR1 Port 4 (LO)
53 WCD9370 RX Port 5 (DSD_L/R) <==> SWR1 Port 5 (DSD)
54
55 $ref: /schemas/types.yaml#/definitions/uint32-array
56 minItems: 5
57 maxItems: 5
58 items:
59 enum: [1, 2, 3, 4, 5]
60
61 required:
62 - compatible
63 - reg
64
65 additionalProperties: false
66
67 examples:
68 - |
69 soundwire@3210000 {
70 reg = <0x03210000 0x2000>;
71 #address-cells = <2>;
72 #size-cells = <0>;
73 wcd937x_rx: codec@0,4 {
74 compatible = "sdw20217010a00";
75 reg = <0 4>;
76 qcom,rx-port-mapping = <1 2 3 4 5>;
77 };
78 };
79
80 soundwire@3230000 {
81 reg = <0x03230000 0x2000>;
82 #address-cells = <2>;
83 #size-cells = <0>;
84 wcd937x_tx: codec@0,3 {
85 compatible = "sdw20217010a00";
86 reg = <0 3>;
87 qcom,tx-port-mapping = <2 2 3 4>;
88 };
89 };
90
91 ...
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