| 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/cirrus,cs35l45.yaml# |
| 5 | $schema: http://devicetree.org/meta-schemas/core.yaml# |
| 6 | |
| 7 | title: Cirrus Logic CS35L45 Speaker Amplifier |
| 8 | |
| 9 | maintainers: |
| 10 | - Ricardo Rivera-Matos <rriveram@opensource.cirrus.com> |
| 11 | - Richard Fitzgerald <rf@opensource.cirrus.com> |
| 12 | |
| 13 | description: | |
| 14 | CS35L45 is a Boosted Mono Class D Amplifier with DSP |
| 15 | Speaker Protection and Adaptive Battery Management. |
| 16 | |
| 17 | allOf: |
| 18 | - $ref: dai-common.yaml# |
| 19 | |
| 20 | properties: |
| 21 | compatible: |
| 22 | enum: |
| 23 | - cirrus,cs35l45 |
| 24 | |
| 25 | reg: |
| 26 | maxItems: 1 |
| 27 | |
| Tom Rini | 6bb92fc | 2024-05-20 09:54:58 -0600 | [diff] [blame] | 28 | interrupts: |
| 29 | maxItems: 1 |
| 30 | |
| Tom Rini | 53633a8 | 2024-02-29 12:33:36 -0500 | [diff] [blame] | 31 | '#sound-dai-cells': |
| 32 | const: 1 |
| 33 | |
| 34 | reset-gpios: |
| 35 | maxItems: 1 |
| 36 | |
| 37 | vdd-a-supply: |
| 38 | description: voltage regulator phandle for the VDD_A supply |
| 39 | |
| 40 | vdd-batt-supply: |
| 41 | description: voltage regulator phandle for the VDD_BATT supply |
| 42 | |
| 43 | spi-max-frequency: |
| 44 | maximum: 5000000 |
| 45 | |
| 46 | cirrus,asp-sdout-hiz-ctrl: |
| 47 | description: |
| 48 | Audio serial port SDOUT Hi-Z control. Sets the Hi-Z |
| 49 | configuration for SDOUT pin of amplifier. Logical OR of |
| 50 | CS35L45_ASP_TX_HIZ_xxx values. |
| 51 | $ref: /schemas/types.yaml#/definitions/uint32 |
| 52 | minimum: 0 |
| 53 | maximum: 3 |
| 54 | default: 2 |
| 55 | |
| 56 | patternProperties: |
| 57 | "^cirrus,gpio-ctrl[1-3]$": |
| 58 | description: |
| 59 | GPIO pins configuration. |
| 60 | type: object |
| 61 | additionalProperties: false |
| 62 | properties: |
| 63 | gpio-dir: |
| 64 | description: |
| 65 | GPIO pin direction. Valid only when 'gpio-ctrl' is 1 |
| 66 | 0 = Output |
| 67 | 1 = Input |
| 68 | $ref: /schemas/types.yaml#/definitions/uint32 |
| 69 | minimum: 0 |
| 70 | maximum: 1 |
| 71 | default: 1 |
| 72 | gpio-lvl: |
| 73 | description: |
| 74 | GPIO level. Valid only when 'gpio-ctrl' is 1 and 'gpio-dir' is 0 |
| 75 | 0 = Low |
| 76 | 1 = High |
| 77 | $ref: /schemas/types.yaml#/definitions/uint32 |
| 78 | minimum: 0 |
| 79 | maximum: 1 |
| 80 | default: 0 |
| 81 | gpio-op-cfg: |
| 82 | description: |
| 83 | GPIO level. Valid only when 'gpio-ctrl' is 1 and 'gpio-dir' is 0 |
| 84 | 0 = CMOS |
| 85 | 1 = Open Drain |
| 86 | $ref: /schemas/types.yaml#/definitions/uint32 |
| 87 | minimum: 0 |
| 88 | maximum: 1 |
| 89 | default: 0 |
| 90 | gpio-pol: |
| 91 | description: |
| 92 | GPIO output polarity select. Valid only when 'gpio-ctrl' is 1 |
| 93 | and 'gpio-dir' is 0 |
| 94 | 0 = Non-inverted, Active High |
| 95 | 1 = Inverted, Active Low |
| 96 | $ref: /schemas/types.yaml#/definitions/uint32 |
| 97 | minimum: 0 |
| 98 | maximum: 1 |
| 99 | default: 0 |
| 100 | gpio-ctrl: |
| 101 | description: |
| 102 | Defines the function of the GPIO pin. |
| 103 | GPIO1 |
| 104 | 0 = High impedance input |
| 105 | 1 = Pin acts as a GPIO, direction controlled by 'gpio-dir' |
| 106 | 2 = Pin acts as MDSYNC, direction controlled by MDSYNC |
| 107 | 3-7 = Reserved |
| 108 | GPIO2 |
| 109 | 0 = High impedance input |
| 110 | 1 = Pin acts as a GPIO, direction controlled by 'gpio-dir' |
| 111 | 2 = Pin acts as open drain INT |
| 112 | 3 = Reserved |
| 113 | 4 = Pin acts as push-pull output INT. Active low. |
| 114 | 5 = Pin acts as push-pull output INT. Active high. |
| 115 | 6,7 = Reserved |
| 116 | GPIO3 |
| 117 | 0 = High impedance input |
| 118 | 1 = Pin acts as a GPIO, direction controlled by 'gpio-dir' |
| 119 | 2-7 = Reserved |
| 120 | $ref: /schemas/types.yaml#/definitions/uint32 |
| 121 | minimum: 0 |
| 122 | maximum: 7 |
| 123 | default: 0 |
| 124 | required: |
| 125 | - compatible |
| 126 | - reg |
| 127 | - "#sound-dai-cells" |
| 128 | |
| 129 | unevaluatedProperties: false |
| 130 | |
| 131 | examples: |
| 132 | - | |
| 133 | #include <dt-bindings/sound/cs35l45.h> |
| 134 | spi { |
| 135 | #address-cells = <1>; |
| 136 | #size-cells = <0>; |
| 137 | |
| 138 | cs35l45: cs35l45@2 { |
| 139 | #sound-dai-cells = <1>; |
| 140 | compatible = "cirrus,cs35l45"; |
| 141 | reg = <2>; |
| 142 | spi-max-frequency = <5000000>; |
| 143 | vdd-a-supply = <&dummy_vreg>; |
| 144 | vdd-batt-supply = <&dummy_vreg>; |
| 145 | reset-gpios = <&gpio 110 0>; |
| 146 | cirrus,asp-sdout-hiz-ctrl = <(CS35L45_ASP_TX_HIZ_UNUSED | |
| 147 | CS35L45_ASP_TX_HIZ_DISABLED)>; |
| 148 | cirrus,gpio-ctrl1 { |
| 149 | gpio-ctrl = <0x2>; |
| 150 | }; |
| 151 | cirrus,gpio-ctrl2 { |
| 152 | gpio-ctrl = <0x2>; |
| 153 | }; |
| 154 | cirrus,gpio-ctrl3 { |
| 155 | gpio-ctrl = <0x1>; |
| 156 | gpio-dir = <0x1>; |
| 157 | }; |
| 158 | }; |
| 159 | }; |