1 # SPDX-License-Identifier: GPL-2.0-only
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/sound/fsl,sgtl5000.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: Freescale SGTL5000 Stereo Codec
8
9 maintainers:
10 - Fabio Estevam <festevam@gmail.com>
11
12 allOf:
13 - $ref: dai-common.yaml#
14
15 properties:
16 compatible:
17 const: fsl,sgtl5000
18
19 reg:
20 maxItems: 1
21
22 "#sound-dai-cells":
23 const: 0
24
25 assigned-clock-parents: true
26 assigned-clock-rates: true
27 assigned-clocks: true
28
29 clocks:
30 items:
31 - description: the clock provider of SYS_MCLK
32
33 VDDA-supply:
34 description: the regulator provider of VDDA
35
36 VDDIO-supply:
37 description: the regulator provider of VDDIO
38
39 VDDD-supply:
40 description: the regulator provider of VDDD
41
42 micbias-resistor-k-ohms:
43 description: The bias resistor to be used in kOhms. The resistor can take
44 values of 2k, 4k or 8k. If set to 0 it will be off. If this node is not
45 mentioned or if the value is unknown, then micbias resistor is set to
46 4k.
47 enum: [ 0, 2, 4, 8 ]
48
49 micbias-voltage-m-volts:
50 description: The bias voltage to be used in mVolts. The voltage can take
51 values from 1.25V to 3V by 250mV steps. If this node is not mentioned
52 or the value is unknown, then the value is set to 1.25V.
53 $ref: /schemas/types.yaml#/definitions/uint32
54 enum: [ 1250, 1500, 1750, 2000, 2250, 2500, 2750, 3000 ]
55
56 lrclk-strength:
57 description: |
58 The LRCLK pad strength. Possible values are: 0, 1, 2 and 3 as per the
59 table below:
60
61 VDDIO 1.8V 2.5V 3.3V
62 0 = Disable
63 1 = 1.66 mA 2.87 mA 4.02 mA
64 2 = 3.33 mA 5.74 mA 8.03 mA
65 3 = 4.99 mA 8.61 mA 12.05 mA
66 $ref: /schemas/types.yaml#/definitions/uint32
67 enum: [ 0, 1, 2, 3 ]
68
69 sclk-strength:
70 description: |
71 The SCLK pad strength. Possible values are: 0, 1, 2 and 3 as per the
72 table below:
73
74 VDDIO 1.8V 2.5V 3.3V
75 0 = Disable
76 1 = 1.66 mA 2.87 mA 4.02 mA
77 2 = 3.33 mA 5.74 mA 8.03 mA
78 3 = 4.99 mA 8.61 mA 12.05 mA
79 $ref: /schemas/types.yaml#/definitions/uint32
80 enum: [ 0, 1, 2, 3 ]
81
82 port:
83 $ref: audio-graph-port.yaml#
84 unevaluatedProperties: false
85
86 required:
87 - compatible
88 - reg
89 - "#sound-dai-cells"
90 - clocks
91 - VDDA-supply
92 - VDDIO-supply
93
94 unevaluatedProperties: false
95
96 examples:
97 - |
98 i2c {
99 #address-cells = <1>;
100 #size-cells = <0>;
101
102 codec@a {
103 compatible = "fsl,sgtl5000";
104 reg = <0x0a>;
105 #sound-dai-cells = <0>;
106 clocks = <&clks 150>;
107 micbias-resistor-k-ohms = <2>;
108 micbias-voltage-m-volts = <2250>;
109 VDDA-supply = <®_3p3v>;
110 VDDIO-supply = <®_3p3v>;
111 };
112 };
113 ...
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