| 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/wlf,wm8994.yaml# |
| 5 | $schema: http://devicetree.org/meta-schemas/core.yaml# |
| 6 | |
| 7 | title: Wolfson WM1811/WM8994/WM8958 audio codecs |
| 8 | |
| 9 | maintainers: |
| 10 | - Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> |
| 11 | - patches@opensource.cirrus.com |
| 12 | |
| 13 | description: | |
| 14 | These devices support both I2C and SPI (configured with pin strapping on the |
| 15 | board). |
| 16 | |
| 17 | Pins on the device (for linking into audio routes): |
| 18 | IN1LN, IN1LP, IN2LN, IN2LP:VXRN, IN1RN, IN1RP, IN2RN, IN2RP:VXRP, SPKOUTLP, |
| 19 | SPKOUTLN, SPKOUTRP, SPKOUTRN, HPOUT1L, HPOUT1R, HPOUT2P, HPOUT2N, LINEOUT1P, |
| 20 | LINEOUT1N, LINEOUT2P, LINEOUT2N. |
| 21 | |
| 22 | properties: |
| 23 | compatible: |
| 24 | enum: |
| 25 | - wlf,wm1811 |
| 26 | - wlf,wm8994 |
| 27 | - wlf,wm8958 |
| 28 | |
| 29 | reg: |
| 30 | maxItems: 1 |
| 31 | |
| 32 | clocks: |
| 33 | minItems: 1 |
| 34 | maxItems: 2 |
| 35 | |
| 36 | clock-names: |
| 37 | minItems: 1 |
| 38 | items: |
| 39 | - const: MCLK1 |
| 40 | - const: MCLK2 |
| 41 | |
| 42 | gpio-controller: true |
| 43 | |
| 44 | '#gpio-cells': |
| 45 | const: 2 |
| 46 | |
| 47 | interrupts: |
| 48 | maxItems: 1 |
| 49 | |
| 50 | interrupt-controller: true |
| 51 | |
| 52 | '#interrupt-cells': |
| 53 | const: 2 |
| 54 | description: |
| 55 | The first cell is the IRQ number. The second cell is the flags, encoded |
| 56 | as the trigger masks. |
| 57 | |
| 58 | AVDD1-supply: true |
| 59 | AVDD2-supply: true |
| 60 | CPVDD-supply: true |
| 61 | DBVDD-supply: true |
| 62 | DBVDD1-supply: true |
| 63 | DBVDD2-supply: true |
| 64 | DBVDD3-supply: true |
| 65 | DCVDD-supply: true |
| 66 | LDO1VDD-supply: true |
| 67 | LDO2VDD-supply: true |
| 68 | SPKVDD1-supply: true |
| 69 | SPKVDD2-supply: true |
| 70 | |
| 71 | '#sound-dai-cells': |
| 72 | const: 0 |
| 73 | |
| 74 | wlf,gpio-cfg: |
| 75 | $ref: /schemas/types.yaml#/definitions/uint32-array |
| 76 | maxItems: 11 |
| 77 | description: |
| 78 | A list of GPIO configuration register values. If absent, no configuration |
| 79 | of these registers is performed. If any value is over 0xffff then the |
| 80 | register will be left as default. If present 11 values must be supplied. |
| 81 | |
| 82 | wlf,micbias-cfg: |
| 83 | $ref: /schemas/types.yaml#/definitions/uint32-array |
| 84 | maxItems: 2 |
| 85 | description: |
| 86 | Two MICBIAS register values for WM1811 or WM8958. If absent the register |
| 87 | defaults will be used. |
| 88 | |
| 89 | wlf,ldo1ena-gpios: |
| 90 | maxItems: 1 |
| 91 | description: |
| 92 | Control of LDO1ENA input to device. |
| 93 | |
| 94 | wlf,ldo2ena-gpios: |
| 95 | maxItems: 1 |
| 96 | description: |
| 97 | Control of LDO2ENA input to device. |
| 98 | |
| 99 | wlf,lineout1-se: |
| 100 | type: boolean |
| 101 | description: |
| 102 | LINEOUT1 is in single ended mode. |
| 103 | |
| 104 | wlf,lineout2-se: |
| 105 | type: boolean |
| 106 | description: |
| 107 | INEOUT2 is in single ended mode. |
| 108 | |
| 109 | wlf,lineout1-feedback: |
| 110 | type: boolean |
| 111 | description: |
| 112 | LINEOUT1 has common mode feedback connected. |
| 113 | |
| 114 | wlf,lineout2-feedback: |
| 115 | type: boolean |
| 116 | description: |
| 117 | LINEOUT2 has common mode feedback connected. |
| 118 | |
| 119 | wlf,ldoena-always-driven: |
| 120 | type: boolean |
| 121 | description: |
| 122 | LDOENA is always driven. |
| 123 | |
| 124 | wlf,spkmode-pu: |
| 125 | type: boolean |
| 126 | description: |
| 127 | Enable the internal pull-up resistor on the SPKMODE pin. |
| 128 | |
| 129 | wlf,csnaddr-pd: |
| 130 | type: boolean |
| 131 | description: |
| 132 | Enable the internal pull-down resistor on the CS/ADDR pin. |
| 133 | |
| 134 | required: |
| 135 | - compatible |
| 136 | - reg |
| 137 | - AVDD2-supply |
| 138 | - CPVDD-supply |
| 139 | - SPKVDD1-supply |
| 140 | - SPKVDD2-supply |
| 141 | |
| 142 | allOf: |
| 143 | - $ref: dai-common.yaml# |
| 144 | - if: |
| 145 | properties: |
| 146 | compatible: |
| 147 | enum: |
| 148 | - wlf,wm1811 |
| 149 | - wlf,wm8958 |
| 150 | then: |
| 151 | properties: |
| 152 | DBVDD-supply: false |
| 153 | LDO2VDD-supply: false |
| 154 | required: |
| 155 | - DBVDD1-supply |
| 156 | - DBVDD2-supply |
| 157 | - DBVDD3-supply |
| 158 | else: |
| 159 | properties: |
| 160 | DBVDD1-supply: false |
| 161 | DBVDD2-supply: false |
| 162 | DBVDD3-supply: false |
| 163 | required: |
| 164 | - DBVDD-supply |
| 165 | |
| 166 | unevaluatedProperties: false |
| 167 | |
| 168 | examples: |
| 169 | - | |
| 170 | #include <dt-bindings/gpio/gpio.h> |
| 171 | |
| 172 | i2c { |
| 173 | #address-cells = <1>; |
| 174 | #size-cells = <0>; |
| 175 | |
| 176 | audio-codec@1a { |
| 177 | compatible = "wlf,wm1811"; |
| 178 | reg = <0x1a>; |
| 179 | clocks = <&i2s0 0>; |
| 180 | clock-names = "MCLK1"; |
| 181 | |
| 182 | AVDD2-supply = <&main_dc_reg>; |
| 183 | CPVDD-supply = <&main_dc_reg>; |
| 184 | DBVDD1-supply = <&main_dc_reg>; |
| 185 | DBVDD2-supply = <&main_dc_reg>; |
| 186 | DBVDD3-supply = <&main_dc_reg>; |
| 187 | LDO1VDD-supply = <&main_dc_reg>; |
| 188 | SPKVDD1-supply = <&main_dc_reg>; |
| 189 | SPKVDD2-supply = <&main_dc_reg>; |
| 190 | |
| 191 | wlf,ldo1ena-gpios = <&gpb0 0 GPIO_ACTIVE_HIGH>; |
| 192 | wlf,ldo2ena-gpios = <&gpb0 1 GPIO_ACTIVE_HIGH>; |
| 193 | }; |
| 194 | }; |