| Tom Rini | 53633a8 | 2024-02-29 12:33:36 -0500 | [diff] [blame] | 1 | # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) |
| 2 | %YAML 1.2 |
| 3 | --- |
| 4 | $id: http://devicetree.org/schemas/sound/samsung,midas-audio.yaml# |
| 5 | $schema: http://devicetree.org/meta-schemas/core.yaml# |
| 6 | |
| 7 | title: Samsung Midas audio complex with WM1811 codec |
| 8 | |
| 9 | maintainers: |
| 10 | - Sylwester Nawrocki <s.nawrocki@samsung.com> |
| 11 | |
| 12 | allOf: |
| 13 | - $ref: sound-card-common.yaml# |
| 14 | |
| 15 | properties: |
| 16 | compatible: |
| 17 | const: samsung,midas-audio |
| 18 | |
| 19 | cpu: |
| 20 | type: object |
| 21 | additionalProperties: false |
| 22 | properties: |
| 23 | sound-dai: |
| 24 | maxItems: 1 |
| 25 | description: phandle to the I2S controller |
| 26 | required: |
| 27 | - sound-dai |
| 28 | |
| 29 | codec: |
| 30 | type: object |
| 31 | additionalProperties: false |
| 32 | properties: |
| 33 | sound-dai: |
| 34 | maxItems: 1 |
| 35 | description: phandle to the WM1811 CODEC |
| 36 | required: |
| 37 | - sound-dai |
| 38 | |
| 39 | samsung,audio-routing: |
| 40 | deprecated: true |
| 41 | $ref: /schemas/types.yaml#/definitions/non-unique-string-array |
| 42 | description: | |
| 43 | List of the connections between audio components; each entry is |
| 44 | a pair of strings, the first being the connection's sink, the second |
| 45 | being the connection's source; valid names for sources and sinks are |
| 46 | the WM1811's pins (as documented in its binding), and the jacks |
| 47 | on the board: HP, SPK, Main Mic, Sub Mic, Headset Mic. |
| 48 | Deprecated, use audio-routing. |
| 49 | |
| 50 | mic-bias-supply: |
| 51 | description: Supply for the micbias on the Main microphone |
| 52 | |
| 53 | submic-bias-supply: |
| 54 | description: Supply for the micbias on the Sub microphone |
| 55 | |
| Tom Rini | 6b642ac | 2024-10-01 12:20:28 -0600 | [diff] [blame] | 56 | headset-mic-bias-supply: |
| 57 | description: Supply for the micbias on the Headset microphone |
| 58 | |
| Tom Rini | 53633a8 | 2024-02-29 12:33:36 -0500 | [diff] [blame] | 59 | fm-sel-gpios: |
| 60 | maxItems: 1 |
| 61 | description: GPIO pin for FM selection |
| 62 | |
| 63 | lineout-sel-gpios: |
| 64 | maxItems: 1 |
| 65 | description: GPIO pin for line out selection |
| 66 | |
| Tom Rini | 6b642ac | 2024-10-01 12:20:28 -0600 | [diff] [blame] | 67 | headset-detect-gpios: |
| 68 | maxItems: 1 |
| 69 | description: GPIO for detection of headset insertion |
| 70 | |
| 71 | headset-key-gpios: |
| 72 | maxItems: 1 |
| 73 | description: GPIO for detection of headset key press |
| 74 | |
| 75 | io-channels: |
| 76 | maxItems: 1 |
| 77 | description: IO channel to read micbias voltage for headset detection |
| 78 | |
| 79 | io-channel-names: |
| 80 | const: headset-detect |
| 81 | |
| 82 | samsung,headset-4pole-threshold-microvolt: |
| 83 | minItems: 2 |
| 84 | maxItems: 2 |
| 85 | description: |
| 86 | Array containing minimum and maximum IO channel value for 4-pole |
| 87 | (with microphone/button) headsets. If the IO channel value is |
| 88 | outside of this range, a 3-pole headset is assumed. |
| 89 | |
| 90 | samsung,headset-button-threshold-microvolt: |
| 91 | minItems: 3 |
| 92 | maxItems: 3 |
| 93 | description: | |
| 94 | Array of minimum (inclusive) IO channel values for headset button |
| 95 | detection, in order: "Media", "Volume Up" and "Volume Down". |
| 96 | |
| Tom Rini | 53633a8 | 2024-02-29 12:33:36 -0500 | [diff] [blame] | 97 | required: |
| 98 | - compatible |
| 99 | - cpu |
| 100 | - codec |
| 101 | - audio-routing |
| 102 | - mic-bias-supply |
| 103 | - submic-bias-supply |
| 104 | |
| 105 | unevaluatedProperties: false |
| 106 | |
| 107 | examples: |
| 108 | - | |
| 109 | #include <dt-bindings/gpio/gpio.h> |
| 110 | |
| 111 | sound { |
| 112 | compatible = "samsung,midas-audio"; |
| 113 | model = "Midas"; |
| 114 | |
| 115 | fm-sel-gpios = <&gpaa0 3 GPIO_ACTIVE_HIGH>; |
| 116 | |
| 117 | mic-bias-supply = <&mic_bias_reg>; |
| 118 | submic-bias-supply = <&submic_bias_reg>; |
| 119 | |
| 120 | audio-routing = |
| 121 | "HP", "HPOUT1L", |
| 122 | "HP", "HPOUT1R", |
| 123 | |
| 124 | "SPK", "SPKOUTLN", |
| 125 | "SPK", "SPKOUTLP", |
| 126 | "SPK", "SPKOUTRN", |
| 127 | "SPK", "SPKOUTRP", |
| 128 | |
| 129 | "RCV", "HPOUT2N", |
| 130 | "RCV", "HPOUT2P", |
| 131 | |
| 132 | "IN1LP", "Main Mic", |
| 133 | "IN1LN", "Main Mic", |
| 134 | "IN1RP", "Sub Mic", |
| 135 | "IN1LP", "Sub Mic"; |
| 136 | |
| 137 | cpu { |
| 138 | sound-dai = <&i2s0>; |
| 139 | }; |
| 140 | |
| 141 | codec { |
| 142 | sound-dai = <&wm1811>; |
| 143 | }; |
| 144 | |
| 145 | }; |