| # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) |
| %YAML 1.2 |
| --- |
| $id: http://devicetree.org/schemas/input/azoteq,iqs7222.yaml# |
| $schema: http://devicetree.org/meta-schemas/core.yaml# |
| |
| title: Azoteq IQS7222A/B/C/D Capacitive Touch Controller |
| |
| maintainers: |
| - Jeff LaBundy <jeff@labundy.com> |
| |
| description: | |
| The Azoteq IQS7222A, IQS7222B, IQS7222C and IQS7222D are multichannel |
| capacitive touch controllers that feature additional sensing capabilities. |
| |
| Link to datasheets: https://www.azoteq.com/ |
| |
| properties: |
| compatible: |
| enum: |
| - azoteq,iqs7222a |
| - azoteq,iqs7222b |
| - azoteq,iqs7222c |
| - azoteq,iqs7222d |
| |
| reg: |
| maxItems: 1 |
| |
| irq-gpios: |
| maxItems: 1 |
| description: |
| Specifies the GPIO connected to the device's active-low RDY output. |
| |
| reset-gpios: |
| maxItems: 1 |
| description: |
| Specifies the GPIO connected to the device's active-low MCLR input. The |
| device is temporarily held in hardware reset prior to initialization if |
| this property is present. |
| |
| azoteq,max-counts: |
| $ref: /schemas/types.yaml#/definitions/uint32 |
| enum: [0, 1, 2, 3] |
| description: | |
| Specifies the maximum number of conversion periods (counts) that can be |
| reported as follows: |
| 0: 1023 |
| 1: 2047 |
| 2: 4095 |
| 3: 16384 |
| |
| azoteq,auto-mode: |
| $ref: /schemas/types.yaml#/definitions/uint32 |
| enum: [0, 1, 2, 3] |
| description: | |
| Specifies the number of conversions to occur before an interrupt is |
| generated as follows: |
| 0: 4 |
| 1: 8 |
| 2: 16 |
| 3: 32 |
| |
| azoteq,ati-frac-div-fine: |
| $ref: /schemas/types.yaml#/definitions/uint32 |
| minimum: 0 |
| maximum: 31 |
| description: Specifies the preloaded ATI fine fractional divider. |
| |
| azoteq,ati-frac-div-coarse: |
| $ref: /schemas/types.yaml#/definitions/uint32 |
| minimum: 0 |
| maximum: 31 |
| description: Specifies the preloaded ATI coarse fractional divider. |
| |
| azoteq,ati-comp-select: |
| $ref: /schemas/types.yaml#/definitions/uint32 |
| minimum: 0 |
| maximum: 1023 |
| description: Specifies the preloaded ATI compensation selection. |
| |
| azoteq,lta-beta-lp: |
| $ref: /schemas/types.yaml#/definitions/uint32 |
| minimum: 0 |
| maximum: 15 |
| description: |
| Specifies the long-term average filter damping factor to be applied during |
| low-power mode. |
| |
| azoteq,lta-beta-np: |
| $ref: /schemas/types.yaml#/definitions/uint32 |
| minimum: 0 |
| maximum: 15 |
| description: |
| Specifies the long-term average filter damping factor to be applied during |
| normal-power mode. |
| |
| azoteq,counts-beta-lp: |
| $ref: /schemas/types.yaml#/definitions/uint32 |
| minimum: 0 |
| maximum: 15 |
| description: |
| Specifies the counts filter damping factor to be applied during low-power |
| mode. |
| |
| azoteq,counts-beta-np: |
| $ref: /schemas/types.yaml#/definitions/uint32 |
| minimum: 0 |
| maximum: 15 |
| description: |
| Specifies the counts filter damping factor to be applied during normal- |
| power mode. |
| |
| azoteq,lta-fast-beta-lp: |
| $ref: /schemas/types.yaml#/definitions/uint32 |
| minimum: 0 |
| maximum: 15 |
| description: |
| Specifies the long-term average filter fast damping factor to be applied |
| during low-power mode. |
| |
| azoteq,lta-fast-beta-np: |
| $ref: /schemas/types.yaml#/definitions/uint32 |
| minimum: 0 |
| maximum: 15 |
| description: |
| Specifies the long-term average filter fast damping factor to be applied |
| during normal-power mode. |
| |
| azoteq,timeout-ati-ms: |
| multipleOf: 500 |
| minimum: 0 |
| maximum: 32767500 |
| description: |
| Specifies the delay (in ms) before ATI is retried following an ATI error. |
| |
| azoteq,rate-ati-ms: |
| minimum: 0 |
| maximum: 65535 |
| description: Specifies the rate (in ms) at which ATI status is evaluated. |
| |
| azoteq,timeout-np-ms: |
| minimum: 0 |
| maximum: 65535 |
| description: |
| Specifies the length of time (in ms) to wait for an event before moving |
| from normal-power mode to low-power mode. |
| |
| azoteq,rate-np-ms: |
| minimum: 0 |
| maximum: 3000 |
| description: Specifies the report rate (in ms) during normal-power mode. |
| |
| azoteq,timeout-lp-ms: |
| minimum: 0 |
| maximum: 65535 |
| description: |
| Specifies the length of time (in ms) to wait for an event before moving |
| from low-power mode to ultra-low-power mode. |
| |
| azoteq,rate-lp-ms: |
| minimum: 0 |
| maximum: 3000 |
| description: Specifies the report rate (in ms) during low-power mode. |
| |
| azoteq,timeout-ulp-ms: |
| minimum: 0 |
| maximum: 65535 |
| description: |
| Specifies the rate (in ms) at which channels not regularly sampled during |
| ultra-low-power mode are updated. |
| |
| azoteq,rate-ulp-ms: |
| minimum: 0 |
| maximum: 3000 |
| description: Specifies the report rate (in ms) during ultra-low-power mode. |
| |
| touchscreen-size-x: true |
| touchscreen-size-y: true |
| touchscreen-inverted-x: true |
| touchscreen-inverted-y: true |
| touchscreen-swapped-x-y: true |
| |
| trackpad: |
| type: object |
| description: Represents all channels associated with the trackpad. |
| |
| properties: |
| azoteq,channel-select: |
| $ref: /schemas/types.yaml#/definitions/uint32-array |
| minItems: 1 |
| maxItems: 12 |
| items: |
| minimum: 0 |
| maximum: 13 |
| description: |
| Specifies the order of the channels that participate in the trackpad. |
| Specify 255 to omit a given channel for the purpose of mapping a non- |
| rectangular trackpad. |
| |
| azoteq,num-rows: |
| $ref: /schemas/types.yaml#/definitions/uint32 |
| minimum: 1 |
| maximum: 12 |
| description: Specifies the number of rows that comprise the trackpad. |
| |
| azoteq,num-cols: |
| $ref: /schemas/types.yaml#/definitions/uint32 |
| minimum: 1 |
| maximum: 12 |
| description: Specifies the number of columns that comprise the trackpad. |
| |
| azoteq,top-speed: |
| $ref: /schemas/types.yaml#/definitions/uint32 |
| multipleOf: 4 |
| minimum: 0 |
| maximum: 1020 |
| description: |
| Specifies the speed (in coordinates traveled per conversion) after |
| which coordinate filtering is no longer applied. |
| |
| azoteq,bottom-speed: |
| $ref: /schemas/types.yaml#/definitions/uint32 |
| minimum: 0 |
| maximum: 255 |
| description: |
| Specifies the speed (in coordinates traveled per conversion) after |
| which coordinate filtering is linearly reduced. |
| |
| azoteq,use-prox: |
| type: boolean |
| description: |
| Directs the trackpad to respond to the proximity states of the |
| selected channels instead of their corresponding touch states. |
| Note the trackpad cannot report granular coordinates during a |
| state of proximity. |
| |
| patternProperties: |
| "^azoteq,lower-cal-(x|y)$": |
| $ref: /schemas/types.yaml#/definitions/uint32 |
| minimum: 0 |
| maximum: 255 |
| description: Specifies the trackpad's lower starting points. |
| |
| "^azoteq,upper-cal-(x|y)$": |
| $ref: /schemas/types.yaml#/definitions/uint32 |
| minimum: 0 |
| maximum: 255 |
| description: Specifies the trackpad's upper starting points. |
| |
| "^event-(press|tap|(swipe|flick)-(x|y)-(pos|neg))$": |
| type: object |
| $ref: input.yaml# |
| description: |
| Represents a press or gesture event reported by the trackpad. Specify |
| 'linux,code' under the press event to report absolute coordinates. |
| |
| properties: |
| linux,code: true |
| |
| azoteq,gesture-angle-tighten: |
| type: boolean |
| description: |
| Limits the tangent of the gesture angle to 0.5 (axial gestures |
| only). If specified in one direction, the effect is applied in |
| either direction. |
| |
| azoteq,gesture-max-ms: |
| multipleOf: 16 |
| minimum: 0 |
| maximum: 4080 |
| description: |
| Specifies the length of time (in ms) within which a tap, swipe |
| or flick gesture must be completed in order to be acknowledged |
| by the device. The number specified for any one swipe or flick |
| gesture applies to all other swipe or flick gestures. |
| |
| azoteq,gesture-min-ms: |
| multipleOf: 16 |
| minimum: 0 |
| maximum: 4080 |
| description: |
| Specifies the length of time (in ms) for which a tap gesture must |
| be held in order to be acknowledged by the device. |
| |
| azoteq,gesture-dist: |
| $ref: /schemas/types.yaml#/definitions/uint32 |
| minimum: 0 |
| maximum: 65535 |
| description: |
| Specifies the distance (in coordinates) across which a swipe or |
| flick gesture must travel in order to be acknowledged by the |
| device. The number specified for any one swipe or flick gesture |
| applies to all remaining swipe or flick gestures. |
| |
| For tap gestures, this property specifies the distance from the |
| original point of contact across which the contact is permitted |
| to travel before the gesture is rejected by the device. |
| |
| azoteq,gpio-select: |
| $ref: /schemas/types.yaml#/definitions/uint32-array |
| minItems: 1 |
| maxItems: 3 |
| items: |
| minimum: 0 |
| maximum: 2 |
| description: | |
| Specifies one or more GPIO mapped to the event as follows: |
| 0: GPIO0 |
| 1: GPIO3 |
| 2: GPIO4 |
| |
| Note that although multiple events can be mapped to a single |
| GPIO, they must all be of the same type (proximity, touch or |
| trackpad gesture). |
| |
| additionalProperties: false |
| |
| required: |
| - azoteq,channel-select |
| |
| additionalProperties: false |
| |
| patternProperties: |
| "^cycle-[0-9]$": |
| type: object |
| description: Represents a conversion cycle serving two sensing channels. |
| |
| properties: |
| azoteq,conv-period: |
| $ref: /schemas/types.yaml#/definitions/uint32 |
| minimum: 0 |
| maximum: 255 |
| description: Specifies the cycle's conversion period. |
| |
| azoteq,conv-frac: |
| $ref: /schemas/types.yaml#/definitions/uint32 |
| minimum: 0 |
| maximum: 255 |
| description: Specifies the cycle's conversion frequency fraction. |
| |
| azoteq,tx-enable: |
| $ref: /schemas/types.yaml#/definitions/uint32-array |
| minItems: 1 |
| maxItems: 9 |
| items: |
| minimum: 0 |
| maximum: 8 |
| description: Specifies the CTx pin(s) associated with the cycle. |
| |
| azoteq,rx-float-inactive: |
| type: boolean |
| description: Floats any inactive CRx pins instead of grounding them. |
| |
| azoteq,dead-time-enable: |
| type: boolean |
| description: |
| Increases the denominator of the conversion frequency formula by one. |
| |
| azoteq,tx-freq-fosc: |
| type: boolean |
| description: |
| Fixes the conversion frequency to that of the device's core clock. |
| |
| azoteq,vbias-enable: |
| type: boolean |
| description: Enables the bias voltage for use during inductive sensing. |
| |
| azoteq,sense-mode: |
| $ref: /schemas/types.yaml#/definitions/uint32 |
| enum: [0, 1, 2, 3] |
| description: | |
| Specifies the cycle's sensing mode as follows: |
| 0: None |
| 1: Self capacitive |
| 2: Mutual capacitive |
| 3: Inductive |
| |
| Note that in the case of IQS7222A, cycles 5 and 6 are restricted to |
| Hall-effect sensing. |
| |
| azoteq,iref-enable: |
| type: boolean |
| description: |
| Enables the current reference for use during various sensing modes. |
| |
| azoteq,iref-level: |
| $ref: /schemas/types.yaml#/definitions/uint32 |
| minimum: 0 |
| maximum: 15 |
| description: Specifies the cycle's current reference level. |
| |
| azoteq,iref-trim: |
| $ref: /schemas/types.yaml#/definitions/uint32 |
| minimum: 0 |
| maximum: 15 |
| description: Specifies the cycle's current reference trim. |
| |
| dependencies: |
| azoteq,iref-level: ["azoteq,iref-enable"] |
| azoteq,iref-trim: ["azoteq,iref-enable"] |
| |
| additionalProperties: false |
| |
| "^channel-([0-9]|1[0-9])$": |
| type: object |
| description: |
| Represents a single sensing channel. A channel is active if defined and |
| inactive otherwise. |
| |
| Note that in the case of IQS7222A, channels 10 and 11 are restricted to |
| Hall-effect sensing with events reported on channel 10 only. |
| |
| properties: |
| azoteq,ulp-allow: |
| type: boolean |
| description: |
| Permits the device to enter ultra-low-power mode while the channel |
| lies in a state of touch or proximity. |
| |
| azoteq,ref-select: |
| $ref: /schemas/types.yaml#/definitions/uint32 |
| minimum: 0 |
| maximum: 9 |
| description: Specifies a separate reference channel to be followed. |
| |
| azoteq,ref-weight: |
| $ref: /schemas/types.yaml#/definitions/uint32 |
| minimum: 0 |
| maximum: 65535 |
| description: Specifies the relative weight of the reference channel. |
| |
| azoteq,use-prox: |
| type: boolean |
| description: |
| Activates the reference channel in response to proximity events |
| instead of touch events. |
| |
| azoteq,counts-filt-enable: |
| type: boolean |
| description: Applies counts filtering to the channel. |
| |
| azoteq,ati-band: |
| $ref: /schemas/types.yaml#/definitions/uint32 |
| enum: [0, 1, 2, 3] |
| description: | |
| Specifies the channel's ATI band as a fraction of its ATI target as |
| follows: |
| 0: 1/16 |
| 1: 1/8 |
| 2: 1/4 |
| 3: 1/2 |
| |
| azoteq,global-halt: |
| type: boolean |
| description: |
| Specifies that the channel's long-term average is to freeze if any |
| other participating channel lies in a proximity or touch state. |
| |
| azoteq,invert-enable: |
| type: boolean |
| description: |
| Inverts the polarity of the states reported for proximity and touch |
| events relative to their respective thresholds. |
| |
| azoteq,dual-direction: |
| type: boolean |
| description: |
| Specifies that the channel's long-term average is to freeze in the |
| presence of either increasing or decreasing counts, thereby permit- |
| ting events to be reported in either direction. |
| |
| azoteq,rx-enable: |
| $ref: /schemas/types.yaml#/definitions/uint32-array |
| minItems: 1 |
| maxItems: 4 |
| items: |
| minimum: 0 |
| maximum: 7 |
| description: Specifies the CRx pin(s) associated with the channel. |
| |
| azoteq,samp-cap-double: |
| type: boolean |
| description: Doubles the sampling capacitance from 40 pF to 80 pF. |
| |
| azoteq,vref-half: |
| type: boolean |
| description: Halves the discharge threshold from 1.0 V to 0.5 V. |
| |
| azoteq,proj-bias: |
| $ref: /schemas/types.yaml#/definitions/uint32 |
| enum: [0, 1, 2, 3] |
| description: | |
| Specifies the bias current applied during mutual (projected) |
| capacitive sensing as follows: |
| 0: 2 uA |
| 1: 5 uA |
| 2: 7 uA |
| 3: 10 uA |
| |
| azoteq,ati-target: |
| $ref: /schemas/types.yaml#/definitions/uint32 |
| multipleOf: 8 |
| minimum: 0 |
| maximum: 2040 |
| description: Specifies the channel's ATI target. |
| |
| azoteq,ati-base: |
| $ref: /schemas/types.yaml#/definitions/uint32 |
| multipleOf: 16 |
| minimum: 0 |
| maximum: 496 |
| description: Specifies the channel's ATI base. |
| |
| azoteq,ati-mode: |
| $ref: /schemas/types.yaml#/definitions/uint32 |
| enum: [0, 1, 2, 3, 4, 5] |
| description: | |
| Specifies the channel's ATI mode as follows: |
| 0: Disabled |
| 1: Compensation |
| 2: Compensation divider |
| 3: Fine fractional divider |
| 4: Coarse fractional divider |
| 5: Full |
| |
| azoteq,ati-frac-div-fine: |
| $ref: /schemas/types.yaml#/definitions/uint32 |
| minimum: 0 |
| maximum: 31 |
| description: Specifies the channel's ATI fine fractional divider. |
| |
| azoteq,ati-frac-mult-coarse: |
| $ref: /schemas/types.yaml#/definitions/uint32 |
| minimum: 0 |
| maximum: 15 |
| description: Specifies the channel's ATI coarse fractional multiplier. |
| |
| azoteq,ati-frac-div-coarse: |
| $ref: /schemas/types.yaml#/definitions/uint32 |
| minimum: 0 |
| maximum: 31 |
| description: Specifies the channel's ATI coarse fractional divider. |
| |
| azoteq,ati-comp-div: |
| $ref: /schemas/types.yaml#/definitions/uint32 |
| minimum: 0 |
| maximum: 31 |
| description: Specifies the channel's ATI compensation divider. |
| |
| azoteq,ati-comp-select: |
| $ref: /schemas/types.yaml#/definitions/uint32 |
| minimum: 0 |
| maximum: 1023 |
| description: Specifies the channel's ATI compensation selection. |
| |
| azoteq,debounce-enter: |
| $ref: /schemas/types.yaml#/definitions/uint32 |
| minimum: 0 |
| maximum: 15 |
| description: Specifies the channel's debounce entrance factor. |
| |
| azoteq,debounce-exit: |
| $ref: /schemas/types.yaml#/definitions/uint32 |
| minimum: 0 |
| maximum: 15 |
| description: Specifies the channel's debounce exit factor. |
| |
| patternProperties: |
| "^event-(prox|touch)$": |
| type: object |
| $ref: input.yaml# |
| description: |
| Represents a proximity or touch event reported by the channel. |
| |
| properties: |
| azoteq,gpio-select: |
| $ref: /schemas/types.yaml#/definitions/uint32-array |
| minItems: 1 |
| maxItems: 3 |
| items: |
| minimum: 0 |
| maximum: 2 |
| description: | |
| Specifies one or more GPIO mapped to the event as follows: |
| 0: GPIO0 |
| 1: GPIO3 |
| 2: GPIO4 |
| |
| Note that although multiple events can be mapped to a single |
| GPIO, they must all be of the same type (proximity, touch or |
| slider/trackpad gesture). |
| |
| azoteq,thresh: |
| $ref: /schemas/types.yaml#/definitions/uint32 |
| description: |
| Specifies the threshold for the event. Valid entries range from |
| 0-127 and 0-255 for proximity and touch events, respectively. |
| |
| azoteq,hyst: |
| $ref: /schemas/types.yaml#/definitions/uint32 |
| minimum: 0 |
| maximum: 255 |
| description: |
| Specifies the hysteresis for the event (touch events only). |
| |
| azoteq,timeout-press-ms: |
| multipleOf: 500 |
| minimum: 0 |
| maximum: 127500 |
| description: |
| Specifies the length of time (in ms) to wait before automatically |
| releasing a press event. Specify zero to allow the press state to |
| persist indefinitely. |
| |
| The IQS7222B does not feature channel-specific timeouts; the time- |
| out specified for any one channel applies to all channels. |
| |
| linux,code: true |
| |
| linux,input-type: |
| enum: [1, 5] |
| default: 1 |
| description: |
| Specifies whether the event is to be interpreted as a key (1) |
| or a switch (5). |
| |
| additionalProperties: false |
| |
| dependencies: |
| azoteq,ref-weight: ["azoteq,ref-select"] |
| azoteq,use-prox: ["azoteq,ref-select"] |
| |
| additionalProperties: false |
| |
| "^slider-[0-1]$": |
| type: object |
| description: Represents a slider comprising three or four channels. |
| |
| properties: |
| azoteq,channel-select: |
| $ref: /schemas/types.yaml#/definitions/uint32-array |
| minItems: 3 |
| maxItems: 4 |
| items: |
| minimum: 0 |
| maximum: 9 |
| description: |
| Specifies the order of the channels that participate in the slider. |
| |
| azoteq,slider-size: |
| $ref: /schemas/types.yaml#/definitions/uint32 |
| minimum: 1 |
| maximum: 65535 |
| description: |
| Specifies the slider's one-dimensional resolution, equal to the |
| maximum coordinate plus one. |
| |
| azoteq,lower-cal: |
| $ref: /schemas/types.yaml#/definitions/uint32 |
| minimum: 0 |
| maximum: 255 |
| description: Specifies the slider's lower starting point. |
| |
| azoteq,upper-cal: |
| $ref: /schemas/types.yaml#/definitions/uint32 |
| minimum: 0 |
| maximum: 255 |
| description: Specifies the slider's upper starting point. |
| |
| azoteq,top-speed: |
| $ref: /schemas/types.yaml#/definitions/uint32 |
| minimum: 0 |
| maximum: 65535 |
| description: |
| Specifies the speed (in coordinates traveled per conversion) after |
| which coordinate filtering is no longer applied. |
| |
| azoteq,bottom-speed: |
| $ref: /schemas/types.yaml#/definitions/uint32 |
| minimum: 0 |
| maximum: 255 |
| description: |
| Specifies the speed (in coordinates traveled per conversion) after |
| which coordinate filtering is linearly reduced. |
| |
| azoteq,bottom-beta: |
| $ref: /schemas/types.yaml#/definitions/uint32 |
| minimum: 0 |
| maximum: 7 |
| description: |
| Specifies the coordinate filter damping factor to be applied |
| while the speed of movement is below that which is specified |
| by azoteq,bottom-speed. |
| |
| azoteq,static-beta: |
| type: boolean |
| description: |
| Applies the coordinate filter damping factor specified by |
| azoteq,bottom-beta regardless of the speed of movement. |
| |
| azoteq,use-prox: |
| type: boolean |
| description: |
| Directs the slider to respond to the proximity states of the selected |
| channels instead of their corresponding touch states. Note the slider |
| cannot report granular coordinates during a state of proximity. |
| |
| linux,axis: |
| $ref: /schemas/types.yaml#/definitions/uint32 |
| description: |
| Specifies the absolute axis to which coordinates are mapped. Specify |
| ABS_WHEEL to operate the slider as a wheel (IQS7222C only). |
| |
| patternProperties: |
| "^event-(press|tap|(swipe|flick)-(pos|neg))$": |
| type: object |
| $ref: input.yaml# |
| description: |
| Represents a press or gesture (IQS7222A only) event reported by |
| the slider. |
| |
| properties: |
| linux,code: true |
| |
| azoteq,gesture-max-ms: |
| multipleOf: 16 |
| minimum: 0 |
| maximum: 4080 |
| description: |
| Specifies the length of time (in ms) within which a tap, swipe |
| or flick gesture must be completed in order to be acknowledged |
| by the device. The number specified for any one swipe or flick |
| gesture applies to all remaining swipe or flick gestures. |
| |
| azoteq,gesture-min-ms: |
| multipleOf: 16 |
| minimum: 0 |
| maximum: 496 |
| description: |
| Specifies the length of time (in ms) for which a tap gesture must |
| be held in order to be acknowledged by the device. |
| |
| azoteq,gesture-dist: |
| $ref: /schemas/types.yaml#/definitions/uint32 |
| multipleOf: 16 |
| minimum: 0 |
| maximum: 4080 |
| description: |
| Specifies the distance (in coordinates) across which a swipe or |
| flick gesture must travel in order to be acknowledged by the |
| device. The number specified for any one swipe or flick gesture |
| applies to all remaining swipe or flick gestures. |
| |
| azoteq,gpio-select: |
| $ref: /schemas/types.yaml#/definitions/uint32-array |
| minItems: 1 |
| maxItems: 3 |
| items: |
| minimum: 0 |
| maximum: 2 |
| description: | |
| Specifies one or more GPIO mapped to the event as follows: |
| 0: GPIO0 |
| 1: GPIO3 |
| 2: GPIO4 |
| |
| Note that although multiple events can be mapped to a single |
| GPIO, they must all be of the same type (proximity, touch or |
| slider gesture). |
| |
| additionalProperties: false |
| |
| required: |
| - azoteq,channel-select |
| |
| additionalProperties: false |
| |
| "^gpio-[0-2]$": |
| type: object |
| description: | |
| Represents a GPIO mapped to one or more events as follows: |
| gpio-0: GPIO0 |
| gpio-1: GPIO3 |
| gpio-2: GPIO4 |
| |
| allOf: |
| - $ref: /schemas/pinctrl/pincfg-node.yaml# |
| |
| properties: |
| drive-open-drain: true |
| |
| additionalProperties: false |
| |
| allOf: |
| - $ref: touchscreen/touchscreen.yaml# |
| |
| - if: |
| properties: |
| compatible: |
| contains: |
| enum: |
| - azoteq,iqs7222a |
| - azoteq,iqs7222b |
| - azoteq,iqs7222c |
| |
| then: |
| properties: |
| touchscreen-size-x: false |
| touchscreen-size-y: false |
| touchscreen-inverted-x: false |
| touchscreen-inverted-y: false |
| touchscreen-swapped-x-y: false |
| |
| trackpad: false |
| |
| patternProperties: |
| "^channel-([0-9]|1[0-9])$": |
| properties: |
| azoteq,counts-filt-enable: false |
| |
| - if: |
| properties: |
| compatible: |
| contains: |
| enum: |
| - azoteq,iqs7222b |
| - azoteq,iqs7222c |
| |
| then: |
| patternProperties: |
| "^channel-([0-9]|1[0-9])$": |
| properties: |
| azoteq,ulp-allow: false |
| |
| - if: |
| properties: |
| compatible: |
| contains: |
| enum: |
| - azoteq,iqs7222b |
| - azoteq,iqs7222d |
| |
| then: |
| patternProperties: |
| "^cycle-[0-9]$": |
| properties: |
| azoteq,iref-enable: false |
| |
| "^channel-([0-9]|1[0-9])$": |
| properties: |
| azoteq,ref-select: false |
| |
| "^slider-[0-1]$": false |
| |
| - if: |
| properties: |
| compatible: |
| contains: |
| const: azoteq,iqs7222b |
| |
| then: |
| patternProperties: |
| "^channel-([0-9]|1[0-9])$": |
| patternProperties: |
| "^event-(prox|touch)$": |
| properties: |
| azoteq,gpio-select: false |
| |
| "^gpio-[0-2]$": false |
| |
| - if: |
| properties: |
| compatible: |
| contains: |
| const: azoteq,iqs7222a |
| |
| then: |
| patternProperties: |
| "^channel-([0-9]|1[0-9])$": |
| patternProperties: |
| "^event-(prox|touch)$": |
| properties: |
| azoteq,gpio-select: |
| maxItems: 1 |
| items: |
| maximum: 0 |
| |
| "^slider-[0-1]$": |
| properties: |
| azoteq,slider-size: |
| multipleOf: 16 |
| minimum: 16 |
| maximum: 4080 |
| |
| azoteq,top-speed: |
| multipleOf: 4 |
| maximum: 1020 |
| |
| patternProperties: |
| "^event-(press|tap|(swipe|flick)-(pos|neg))$": |
| properties: |
| azoteq,gpio-select: |
| maxItems: 1 |
| items: |
| maximum: 0 |
| |
| else: |
| patternProperties: |
| "^slider-[0-1]$": |
| patternProperties: |
| "^event-(press|tap|(swipe|flick)-(pos|neg))$": |
| properties: |
| azoteq,gesture-max-ms: false |
| |
| azoteq,gesture-min-ms: false |
| |
| azoteq,gesture-dist: false |
| |
| required: |
| - compatible |
| - reg |
| - irq-gpios |
| |
| additionalProperties: false |
| |
| examples: |
| - | |
| #include <dt-bindings/gpio/gpio.h> |
| #include <dt-bindings/input/input.h> |
| |
| i2c { |
| #address-cells = <1>; |
| #size-cells = <0>; |
| |
| iqs7222a@44 { |
| compatible = "azoteq,iqs7222a"; |
| reg = <0x44>; |
| irq-gpios = <&gpio 4 GPIO_ACTIVE_LOW>; |
| azoteq,lta-beta-lp = <7>; |
| azoteq,lta-beta-np = <8>; |
| azoteq,counts-beta-lp = <2>; |
| azoteq,counts-beta-np = <3>; |
| azoteq,lta-fast-beta-lp = <3>; |
| azoteq,lta-fast-beta-np = <4>; |
| |
| cycle-0 { |
| azoteq,conv-period = <5>; |
| azoteq,conv-frac = <127>; |
| azoteq,tx-enable = <1>, <2>, <4>, <5>; |
| azoteq,dead-time-enable; |
| azoteq,sense-mode = <2>; |
| }; |
| |
| cycle-1 { |
| azoteq,conv-period = <5>; |
| azoteq,conv-frac = <127>; |
| azoteq,tx-enable = <5>; |
| azoteq,dead-time-enable; |
| azoteq,sense-mode = <2>; |
| }; |
| |
| cycle-2 { |
| azoteq,conv-period = <5>; |
| azoteq,conv-frac = <127>; |
| azoteq,tx-enable = <4>; |
| azoteq,dead-time-enable; |
| azoteq,sense-mode = <2>; |
| }; |
| |
| cycle-3 { |
| azoteq,conv-period = <5>; |
| azoteq,conv-frac = <127>; |
| azoteq,tx-enable = <2>; |
| azoteq,dead-time-enable; |
| azoteq,sense-mode = <2>; |
| }; |
| |
| cycle-4 { |
| azoteq,conv-period = <5>; |
| azoteq,conv-frac = <127>; |
| azoteq,tx-enable = <1>; |
| azoteq,dead-time-enable; |
| azoteq,sense-mode = <2>; |
| }; |
| |
| cycle-5 { |
| azoteq,conv-period = <2>; |
| azoteq,conv-frac = <0>; |
| }; |
| |
| cycle-6 { |
| azoteq,conv-period = <2>; |
| azoteq,conv-frac = <0>; |
| }; |
| |
| channel-0 { |
| azoteq,ulp-allow; |
| azoteq,global-halt; |
| azoteq,invert-enable; |
| azoteq,rx-enable = <3>; |
| azoteq,ati-target = <800>; |
| azoteq,ati-base = <208>; |
| azoteq,ati-mode = <5>; |
| }; |
| |
| channel-1 { |
| azoteq,global-halt; |
| azoteq,invert-enable; |
| azoteq,rx-enable = <3>; |
| azoteq,ati-target = <496>; |
| azoteq,ati-base = <208>; |
| azoteq,ati-mode = <5>; |
| }; |
| |
| channel-2 { |
| azoteq,global-halt; |
| azoteq,invert-enable; |
| azoteq,rx-enable = <3>; |
| azoteq,ati-target = <496>; |
| azoteq,ati-base = <208>; |
| azoteq,ati-mode = <5>; |
| }; |
| |
| channel-3 { |
| azoteq,global-halt; |
| azoteq,invert-enable; |
| azoteq,rx-enable = <3>; |
| azoteq,ati-target = <496>; |
| azoteq,ati-base = <208>; |
| azoteq,ati-mode = <5>; |
| }; |
| |
| channel-4 { |
| azoteq,global-halt; |
| azoteq,invert-enable; |
| azoteq,rx-enable = <3>; |
| azoteq,ati-target = <496>; |
| azoteq,ati-base = <208>; |
| azoteq,ati-mode = <5>; |
| }; |
| |
| channel-5 { |
| azoteq,ulp-allow; |
| azoteq,global-halt; |
| azoteq,invert-enable; |
| azoteq,rx-enable = <6>; |
| azoteq,ati-target = <800>; |
| azoteq,ati-base = <144>; |
| azoteq,ati-mode = <5>; |
| }; |
| |
| channel-6 { |
| azoteq,global-halt; |
| azoteq,invert-enable; |
| azoteq,rx-enable = <6>; |
| azoteq,ati-target = <496>; |
| azoteq,ati-base = <160>; |
| azoteq,ati-mode = <5>; |
| |
| event-touch { |
| linux,code = <KEY_MUTE>; |
| }; |
| }; |
| |
| channel-7 { |
| azoteq,global-halt; |
| azoteq,invert-enable; |
| azoteq,rx-enable = <6>; |
| azoteq,ati-target = <496>; |
| azoteq,ati-base = <160>; |
| azoteq,ati-mode = <5>; |
| |
| event-touch { |
| linux,code = <KEY_VOLUMEDOWN>; |
| }; |
| }; |
| |
| channel-8 { |
| azoteq,global-halt; |
| azoteq,invert-enable; |
| azoteq,rx-enable = <6>; |
| azoteq,ati-target = <496>; |
| azoteq,ati-base = <160>; |
| azoteq,ati-mode = <5>; |
| |
| event-touch { |
| linux,code = <KEY_VOLUMEUP>; |
| }; |
| }; |
| |
| channel-9 { |
| azoteq,global-halt; |
| azoteq,invert-enable; |
| azoteq,rx-enable = <6>; |
| azoteq,ati-target = <496>; |
| azoteq,ati-base = <160>; |
| azoteq,ati-mode = <5>; |
| |
| event-touch { |
| linux,code = <KEY_POWER>; |
| }; |
| }; |
| |
| channel-10 { |
| azoteq,ulp-allow; |
| azoteq,ati-target = <496>; |
| azoteq,ati-base = <112>; |
| |
| event-touch { |
| linux,code = <SW_LID>; |
| linux,input-type = <EV_SW>; |
| }; |
| }; |
| |
| channel-11 { |
| azoteq,ati-target = <496>; |
| azoteq,ati-base = <112>; |
| }; |
| |
| slider-0 { |
| azoteq,channel-select = <1>, <2>, <3>, <4>; |
| azoteq,slider-size = <4080>; |
| azoteq,upper-cal = <50>; |
| azoteq,lower-cal = <30>; |
| azoteq,top-speed = <200>; |
| azoteq,bottom-speed = <1>; |
| azoteq,bottom-beta = <3>; |
| |
| event-tap { |
| linux,code = <KEY_PLAYPAUSE>; |
| azoteq,gesture-max-ms = <400>; |
| azoteq,gesture-min-ms = <32>; |
| }; |
| |
| event-flick-pos { |
| linux,code = <KEY_NEXTSONG>; |
| azoteq,gesture-max-ms = <800>; |
| azoteq,gesture-dist = <800>; |
| }; |
| |
| event-flick-neg { |
| linux,code = <KEY_PREVIOUSSONG>; |
| }; |
| }; |
| }; |
| }; |
| |
| ... |
