xref: /linux/Documentation/devicetree/bindings/sound/qcom,wcd937x-sdw.yaml (revision a1ff5a7d78a036d6c2178ee5acd6ba4946243800) 
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
7title: Qualcomm SoundWire Slave devices on WCD9370/WCD9375
8
9maintainers:
10  - Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
11
12description: |
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
17properties:
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
61required:
62  - compatible
63  - reg
64
65additionalProperties: false
66
67examples:
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...
92