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| 1 | +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) |
| 2 | +%YAML 1.2 |
| 3 | +--- |
| 4 | +$id: http://devicetree.org/schemas/input/dlg,da7280.yaml# |
| 5 | +$schema: http://devicetree.org/meta-schemas/core.yaml# |
| 6 | + |
| 7 | +title: Dialog Semiconductor DA7280 Low Power High-Definition Haptic Driver |
| 8 | + |
| 9 | +maintainers: |
| 10 | + |
| 11 | + |
| 12 | +properties: |
| 13 | + compatible: |
| 14 | + const: dlg,da7280 |
| 15 | + |
| 16 | + reg: |
| 17 | + maxItems: 1 |
| 18 | + description: I2C address of the device. |
| 19 | + |
| 20 | + interrupts: |
| 21 | + maxItems: 1 |
| 22 | + |
| 23 | + dlg,actuator-type: |
| 24 | + enum: |
| 25 | + - LRA # Linear Resonance Actuator type |
| 26 | + - ERM-bar # Bar type Eccentric Rotating Mass |
| 27 | + - ERM-coin # Coin type Eccentric Rotating Mass |
| 28 | + |
| 29 | + dlg,const-op-mode: |
| 30 | + $ref: /schemas/types.yaml#/definitions/uint32 |
| 31 | + enum: |
| 32 | + - 1 # Direct register override (DRO) mode triggered by i2c (default) |
| 33 | + - 2 # PWM data source mode controlled by PWM duty |
| 34 | + description: |
| 35 | + Haptic operation mode for FF_CONSTANT |
| 36 | + |
| 37 | + dlg,periodic-op-mode: |
| 38 | + $ref: /schemas/types.yaml#/definitions/uint32 |
| 39 | + enum: |
| 40 | + - 1 # Register triggered waveform memory(RTWM) mode, the pattern |
| 41 | + # assigned to the PS_SEQ_ID played as much times as PS_SEQ_LOOP |
| 42 | + - 2 # Edge triggered waveform memory(ETWM) mode, external GPI(N) |
| 43 | + # control are required to enable/disable and it needs to keep |
| 44 | + # device enabled by sending magnitude (X > 0), |
| 45 | + # the pattern is assigned to the GPI(N)_SEQUENCE_ID below |
| 46 | + default: 1 |
| 47 | + description: |
| 48 | + Haptic operation mode for FF_PERIODIC. |
| 49 | + The default value is 1 for both of the operation modes. |
| 50 | + For more details, please see the datasheet |
| 51 | + |
| 52 | + dlg,nom-microvolt: |
| 53 | + minimum: 0 |
| 54 | + maximum: 6000000 |
| 55 | + description: |
| 56 | + Nominal actuator voltage rating |
| 57 | + |
| 58 | + dlg,abs-max-microvolt: |
| 59 | + minimum: 0 |
| 60 | + maximum: 6000000 |
| 61 | + description: |
| 62 | + Absolute actuator maximum voltage rating |
| 63 | + |
| 64 | + dlg,imax-microamp: |
| 65 | + minimum: 0 |
| 66 | + maximum: 252000 |
| 67 | + default: 130000 |
| 68 | + description: |
| 69 | + Actuator max current rating |
| 70 | + |
| 71 | + dlg,impd-micro-ohms: |
| 72 | + minimum: 0 |
| 73 | + maximum: 1500000000 |
| 74 | + description: |
| 75 | + Impedance of the actuator |
| 76 | + |
| 77 | + pwms: |
| 78 | + maxItems: 1 |
| 79 | + |
| 80 | + dlg,ps-seq-id: |
| 81 | + $ref: /schemas/types.yaml#/definitions/uint32 |
| 82 | + minimum: 0 |
| 83 | + maximum: 15 |
| 84 | + description: |
| 85 | + The PS_SEQ_ID(pattern ID in waveform memory inside chip) |
| 86 | + to play back when RTWM-MODE is enabled |
| 87 | + |
| 88 | + dlg,ps-seq-loop: |
| 89 | + $ref: /schemas/types.yaml#/definitions/uint32 |
| 90 | + minimum: 0 |
| 91 | + maximum: 15 |
| 92 | + description: |
| 93 | + The PS_SEQ_LOOP, Number of times the pre-stored sequence pointed to by |
| 94 | + PS_SEQ_ID or GPI(N)_SEQUENCE_ID is repeated |
| 95 | + |
| 96 | + dlg,gpi0-seq-id: |
| 97 | + $ref: /schemas/types.yaml#/definitions/uint32 |
| 98 | + minimum: 0 |
| 99 | + maximum: 15 |
| 100 | + description: |
| 101 | + the GPI0_SEQUENCE_ID, pattern to play when gpi0 is triggered |
| 102 | + |
| 103 | + dlg,gpi1-seq-id: |
| 104 | + $ref: /schemas/types.yaml#/definitions/uint32 |
| 105 | + minimum: 0 |
| 106 | + maximum: 15 |
| 107 | + description: |
| 108 | + the GPI1_SEQUENCE_ID, pattern to play when gpi1 is triggered |
| 109 | + |
| 110 | + dlg,gpi2-seq-id: |
| 111 | + $ref: /schemas/types.yaml#/definitions/uint32 |
| 112 | + minimum: 0 |
| 113 | + maximum: 15 |
| 114 | + description: |
| 115 | + the GPI2_SEQUENCE_ID, pattern to play when gpi2 is triggered |
| 116 | + |
| 117 | + dlg,gpi0-mode: |
| 118 | + enum: |
| 119 | + - Single-pattern |
| 120 | + - Multi-pattern |
| 121 | + description: |
| 122 | + Pattern mode for gpi0 |
| 123 | + |
| 124 | + dlg,gpi1-mode: |
| 125 | + enum: |
| 126 | + - Single-pattern |
| 127 | + - Multi-pattern |
| 128 | + description: |
| 129 | + Pattern mode for gpi1 |
| 130 | + |
| 131 | + dlg,gpi2-mode: |
| 132 | + enum: |
| 133 | + - Single-pattern |
| 134 | + - Multi-pattern |
| 135 | + description: |
| 136 | + Pattern mode for gpi2 |
| 137 | + |
| 138 | + dlg,gpi0-polarity: |
| 139 | + enum: |
| 140 | + - Rising-edge |
| 141 | + - Falling-edge |
| 142 | + - Both-edge |
| 143 | + description: |
| 144 | + gpi0 polarity, Haptic will work by this edge option in case of ETWM mode |
| 145 | + |
| 146 | + dlg,gpi1-polarity: |
| 147 | + enum: |
| 148 | + - Rising-edge |
| 149 | + - Falling-edge |
| 150 | + - Both-edge |
| 151 | + description: |
| 152 | + gpi1 polarity, Haptic will work by this edge option in case of ETWM mode |
| 153 | + |
| 154 | + dlg,gpi2-polarity: |
| 155 | + enum: |
| 156 | + - Rising-edge |
| 157 | + - Falling-edge |
| 158 | + - Both-edge |
| 159 | + description: |
| 160 | + gpi2 polarity, Haptic will work by this edge option in case of ETWM mode |
| 161 | + |
| 162 | + dlg,resonant-freq-hz: |
| 163 | + minimum: 50 |
| 164 | + maximum: 300 |
| 165 | + default: 205 |
| 166 | + |
| 167 | + dlg,bemf-sens-enable: |
| 168 | + $ref: /schemas/types.yaml#/definitions/flag |
| 169 | + description: |
| 170 | + Enable for internal loop computations |
| 171 | + |
| 172 | + dlg,freq-track-enable: |
| 173 | + $ref: /schemas/types.yaml#/definitions/flag |
| 174 | + description: |
| 175 | + Enable for resonant frequency tracking |
| 176 | + |
| 177 | + dlg,acc-enable: |
| 178 | + $ref: /schemas/types.yaml#/definitions/flag |
| 179 | + description: |
| 180 | + Enable for active acceleration |
| 181 | + |
| 182 | + dlg,rapid-stop-enable: |
| 183 | + $ref: /schemas/types.yaml#/definitions/flag |
| 184 | + description: |
| 185 | + Enable for rapid stop |
| 186 | + |
| 187 | + dlg,amp-pid-enable: |
| 188 | + $ref: /schemas/types.yaml#/definitions/flag |
| 189 | + description: |
| 190 | + Enable for the amplitude PID |
| 191 | + |
| 192 | + dlg,mem-array: |
| 193 | + $ref: /schemas/types.yaml#/definitions/uint32-array |
| 194 | + minItems: 100 |
| 195 | + description: |
| 196 | + Customized waveform memory (patterns) data downloaded to the device during initialization. |
| 197 | + Each entry value must be included between 0 and 255. |
| 198 | + |
| 199 | +required: |
| 200 | + - compatible |
| 201 | + - reg |
| 202 | + - interrupts |
| 203 | + - dlg,actuator-type |
| 204 | + - dlg,const-op-mode |
| 205 | + - dlg,periodic-op-mode |
| 206 | + - dlg,nom-microvolt |
| 207 | + - dlg,abs-max-microvolt |
| 208 | + - dlg,imax-microamp |
| 209 | + - dlg,impd-micro-ohms |
| 210 | + |
| 211 | +additionalProperties: false |
| 212 | + |
| 213 | +examples: |
| 214 | + - | |
| 215 | + #include <dt-bindings/gpio/gpio.h> |
| 216 | + #include <dt-bindings/interrupt-controller/irq.h> |
| 217 | +
|
| 218 | + i2c { |
| 219 | + #address-cells = <1>; |
| 220 | + #size-cells = <0>; |
| 221 | +
|
| 222 | + haptics@4a { |
| 223 | + compatible = "dlg,da7280"; |
| 224 | + reg = <0x4a>; |
| 225 | + interrupt-parent = <&gpio6>; |
| 226 | + interrupts = <11 IRQ_TYPE_LEVEL_LOW>; |
| 227 | + dlg,actuator-type = "LRA"; |
| 228 | + dlg,const-op-mode = <1>; |
| 229 | + dlg,periodic-op-mode = <1>; |
| 230 | + dlg,nom-microvolt = <2000000>; |
| 231 | + dlg,abs-max-microvolt = <2000000>; |
| 232 | + dlg,imax-microamp = <170000>; |
| 233 | + dlg,resonant-freq-hz = <180>; |
| 234 | + dlg,impd-micro-ohms = <10500000>; |
| 235 | + dlg,freq-track-enable; |
| 236 | + dlg,rapid-stop-enable; |
| 237 | + dlg,mem-array = <0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 |
| 238 | + 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 |
| 239 | + 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 |
| 240 | + 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 |
| 241 | + 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 |
| 242 | + 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 |
| 243 | + 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 |
| 244 | + 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 |
| 245 | + 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 |
| 246 | + 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00>; |
| 247 | + }; |
| 248 | + }; |
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