Tom Rini | 53633a8 | 2024-02-29 12:33:36 -0500 | [diff] [blame] | 1 | # SPDX-License-Identifier: GPL-2.0-only |
| 2 | %YAML 1.2 |
| 3 | --- |
| 4 | $id: http://devicetree.org/schemas/sound/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 | ... |