From: Rob Herring <robh@kernel.org>
To: Jeff LaBundy <jeff@labundy.com>
Cc: dmitry.torokhov@gmail.com, linux-input@vger.kernel.org,
devicetree@vger.kernel.org
Subject: Re: [PATCH 1/2] dt-bindings: input: Add bindings for Azoteq IQS7222A/B/C
Date: Mon, 24 Jan 2022 17:27:35 -0600 [thread overview]
Message-ID: <Ye8158K42TLfG+7I@robh.at.kernel.org> (raw)
In-Reply-To: <20220123194232.85288-2-jeff@labundy.com>
On Sun, Jan 23, 2022 at 01:42:31PM -0600, Jeff LaBundy wrote:
> This patch adds bindings for the Azoteq IQS7222A/B/C family of
> capacitive touch controllers.
Overall, wow, that's a lot of properties. It leaves me wondering why
does this h/w need so many and others don't?
>
> Signed-off-by: Jeff LaBundy <jeff@labundy.com>
> ---
> .../devicetree/bindings/input/iqs7222.yaml | 967 ++++++++++++++++++
azoteq,iqs7222.yaml
> 1 file changed, 967 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/input/iqs7222.yaml
>
> diff --git a/Documentation/devicetree/bindings/input/iqs7222.yaml b/Documentation/devicetree/bindings/input/iqs7222.yaml
> new file mode 100644
> index 000000000000..0c23d1d49ebd
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/input/iqs7222.yaml
> @@ -0,0 +1,967 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/input/iqs7222.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Azoteq IQS7222A/B/C Capacitive Touch Controller
> +
> +maintainers:
> + - Jeff LaBundy <jeff@labundy.com>
> +
> +description: |
> + The Azoteq IQS7222A, IQS7222B and IQS7222C 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
> +
> + reg:
> + maxItems: 1
> +
> + irq-gpios:
Use 'interrupts'. Interrupt capable GPIO lines are also interrupt
providers.
> + 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.
> +
> + "#address-cells":
> + const: 1
> +
> + "#size-cells":
> + const: 0
> +
> + azoteq,rf-filt-enable:
> + type: boolean
> + description: Enables the device's internal RF filter.
> +
> + azoteq,max-counts:
> + $ref: /schemas/types.yaml#/definitions/uint32
> + enum: [0, 1, 2, 3]
> + description: |
> + Specifies the maximum counts as follows:
Counts of what?
> + 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:
> + $ref: /schemas/types.yaml#/definitions/uint32
> + minimum: 0
> + maximum: 15
> + description:
> + Specifies the long-term average filter fast damping factor to be applied
> + during normal-power mode.
> +
> + azoteq,timeout-ati-ms:
> + multipleOf: 500
> + minimum: 0
> + maximum: 32767500
> + description:
> + Specifies the delay (in ms) before ATI is retried following an ATI error.
> +
> + azoteq,rate-ati-ms:
> + minimum: 0
> + maximum: 65535
> + description: Specifies the rate (in ms) at which ATI status is evaluated.
> +
> + azoteq,timeout-np-ms:
> + minimum: 0
> + maximum: 65535
> + description:
> + Specifies the length of time (in ms) to wait for an event before moving
> + from normal-power mode to low-power mode.
> +
> + azoteq,rate-np-ms:
> + minimum: 0
> + maximum: 3000
> + description: Specifies the report rate (in ms) during normal-power mode.
> +
> + azoteq,timeout-lp-ms:
> + minimum: 0
> + maximum: 65535
> + description:
> + Specifies the length of time (in ms) to wait for an event before moving
> + from low-power mode to ultra-low-power mode.
> +
> + azoteq,rate-lp-ms:
> + minimum: 0
> + maximum: 3000
> + description: Specifies the report rate (in ms) during low-power mode.
> +
> + azoteq,timeout-ulp-ms:
> + minimum: 0
> + maximum: 65535
> + description:
> + Specifies the rate (in ms) at which channels not regularly sampled during
> + ultra-low-power mode are updated.
> +
> + azoteq,rate-ulp-ms:
> + minimum: 0
> + maximum: 3000
> + description: Specifies the report rate (in ms) during ultra-low-power mode.
> +
> +patternProperties:
> + "^cycle-[0-9]$":
> + 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:
> + $ref: /schemas/types.yaml#/definitions/uint32
> + minimum: 0
> + maximum: 15
> + description: Specifies the cycle's current reference trim.
> +
> + dependencies:
> + azoteq,iref-level: ["azoteq,iref-enable"]
> + azoteq,iref-trim: ["azoteq,iref-enable"]
> +
> + additionalProperties: false
> +
> + "^channel-[0-19]$":
> + 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,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
> + 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 (IQS7222C only)
> + 2: GPIO4 (IQS7222C only)
> +
> + 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).
> +
> + 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:
> + $ref: /schemas/types.yaml#/definitions/uint32
> + description:
> + Numeric key or switch code associated with the event. Specify
> + KEY_RESERVED (0) to opt out of event reporting.
> +
> + linux,input-type:
> + $ref: /schemas/types.yaml#/definitions/uint32
> + enum: [1, 5]
> + default: 1
> + description:
> + Specifies whether the event is to be interpreted as a key (1)
> + or a switch (5).
> +
> + required:
> + - linux,code
> +
> + additionalProperties: false
> +
> + dependencies:
> + azoteq,ref-weight: ["azoteq,ref-select"]
> + azoteq,use-prox: ["azoteq,ref-select"]
> +
> + additionalProperties: false
> +
> + "^slider-[0-1]$":
> + 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: 0
> + 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 of movement after which coordinate filtering is
> + no longer applied.
> +
> + azoteq,bottom-speed:
> + $ref: /schemas/types.yaml#/definitions/uint32
> + multipleOf: 4
> + minimum: 0
> + maximum: 1020
> + description:
> + Specifies the speed of movement 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
> + description:
> + Represents a press or gesture (IQS7222A only) event reported by
> + the slider.
> +
> + properties:
> + linux,code:
> + $ref: /schemas/types.yaml#/definitions/uint32
> + description: Numeric key code associated with the event.
> +
> + azoteq,gesture-max-ms:
> + multipleOf: 4
> + minimum: 0
> + maximum: 1020
> + 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: 4
> + minimum: 0
> + maximum: 124
> + 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 across which a swipe or flick gesture must
> + travel in order to be acknowledged by the device. The number spec-
> + ified for any one swipe or flick gesture applies to all remaining
> + swipe or flick gestures.
> +
> + azoteq,gpio-select:
> + $ref: /schemas/types.yaml#/definitions/uint32-array
> + minItems: 1
> + maxItems: 1
> + items:
> + minimum: 0
> + maximum: 0
> + description: |
> + Specifies an individual GPIO mapped to a tap, swipe or flick
> + gesture as follows:
> + 0: GPIO0
> + 1: GPIO3 (reserved)
> + 2: GPIO4 (reserved)
> +
> + Note that although multiple events can be mapped to a single
> + GPIO, they must all be of the same type (proximity, touch or
> + slider gesture).
> +
> + required:
> + - linux,code
> +
> + additionalProperties: false
> +
> + required:
> + - azoteq,channel-select
> +
> + additionalProperties: false
> +
> + "^gpio-[0-2]$":
> + type: object
> + description: |
> + Represents a GPIO mapped to one or more events as follows:
> + gpio-0: GPIO0
> + gpio-1: GPIO3 (IQS7222C only)
> + gpio-2: GPIO4 (IQS7222C only)
> +
> + allOf:
> + - $ref: ../pinctrl/pincfg-node.yaml#
> +
> + properties:
> + drive-open-drain: true
> +
> + additionalProperties: false
> +
> +allOf:
> + - if:
> + properties:
> + compatible:
> + contains:
> + const: azoteq,iqs7222b
> +
> + then:
> + patternProperties:
> + "^cycle-[0-9]$":
> + properties:
> + azoteq,iref-enable: false
> +
> + "^channel-[0-19]$":
> + properties:
> + azoteq,ref-select: false
> +
> + patternProperties:
> + "^event-(prox|touch)$":
> + properties:
> + azoteq,gpio-select: false
> +
> + "^slider-[0-1]$": false
> +
> + "^gpio-[0-2]$": false
> +
> + - if:
> + properties:
> + compatible:
> + contains:
> + const: azoteq,iqs7222a
> +
> + then:
> + patternProperties:
> + "^channel-[0-19]$":
> + patternProperties:
> + "^event-(prox|touch)$":
> + properties:
> + azoteq,gpio-select:
> + maxItems: 1
> + items:
> + maximum: 0
> +
> + "^slider-[0-1]$":
> + properties:
> + azoteq,slider-size:
> + multipleOf: 16
> + maximum: 4080
> +
> + azoteq,top-speed:
> + multipleOf: 4
> + maximum: 1020
> +
> + else:
> + patternProperties:
> + "^channel-[0-19]$":
> + properties:
> + azoteq,ulp-allow: false
> +
> + "^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
> +
> + azoteq,gpio-select: false
> +
> +required:
> + - compatible
> + - reg
> + - irq-gpios
> + - "#address-cells"
> + - "#size-cells"
> +
> +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 = <600>;
> + azoteq,gesture-min-ms = <24>;
> + };
> +
> + event-flick-pos {
> + linux,code = <KEY_NEXTSONG>;
> + azoteq,gesture-max-ms = <600>;
> + azoteq,gesture-dist = <816>;
> + };
> +
> + event-flick-neg {
> + linux,code = <KEY_PREVIOUSSONG>;
> + };
> + };
> + };
> + };
> +
> +...
> --
> 2.25.1
>
>
next prev parent reply other threads:[~2022-01-25 2:19 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-01-23 19:42 [PATCH 0/2] Add support for Azoteq IQS7222A/B/C Jeff LaBundy
2022-01-23 19:42 ` [PATCH 1/2] dt-bindings: input: Add bindings " Jeff LaBundy
2022-01-24 16:01 ` Rob Herring
2022-01-24 23:27 ` Rob Herring [this message]
2022-01-25 1:14 ` Jeff LaBundy
2022-01-23 19:42 ` [PATCH 2/2] Input: add support " Jeff LaBundy
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