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authorDmitry Torokhov <dmitry.torokhov@gmail.com>2022-05-28 01:48:45 +0300
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2022-05-28 01:48:45 +0300
commit1e90e2628cec11c080db3260833f515cc32fc27c (patch)
treea50cb16a2046266e39a60bc554782e667edd31c4 /Documentation/devicetree
parentb26ff9137183309c18cdfe931e1cafcf3c1a980d (diff)
parent5f76955ab1e43e5795a9631b22ca4f918a0ae986 (diff)
downloadlinux-1e90e2628cec11c080db3260833f515cc32fc27c.tar.xz
Merge branch 'next' into for-linus
Prepare input updates for 5.19 merge window.
Diffstat (limited to 'Documentation/devicetree')
-rw-r--r--Documentation/devicetree/bindings/input/allwinner,sun4i-a10-lradc-keys.yaml22
-rw-r--r--Documentation/devicetree/bindings/input/azoteq,iqs7222.yaml960
-rw-r--r--Documentation/devicetree/bindings/input/google,cros-ec-keyb.yaml36
3 files changed, 1012 insertions, 6 deletions
diff --git a/Documentation/devicetree/bindings/input/allwinner,sun4i-a10-lradc-keys.yaml b/Documentation/devicetree/bindings/input/allwinner,sun4i-a10-lradc-keys.yaml
index d74f2002409e..3399fc288afb 100644
--- a/Documentation/devicetree/bindings/input/allwinner,sun4i-a10-lradc-keys.yaml
+++ b/Documentation/devicetree/bindings/input/allwinner,sun4i-a10-lradc-keys.yaml
@@ -18,10 +18,20 @@ properties:
- items:
- const: allwinner,sun50i-a64-lradc
- const: allwinner,sun8i-a83t-r-lradc
+ - const: allwinner,sun50i-r329-lradc
+ - items:
+ - const: allwinner,sun20i-d1-lradc
+ - const: allwinner,sun50i-r329-lradc
reg:
maxItems: 1
+ clocks:
+ maxItems: 1
+
+ resets:
+ maxItems: 1
+
interrupts:
maxItems: 1
@@ -68,6 +78,18 @@ required:
- interrupts
- vref-supply
+if:
+ properties:
+ compatible:
+ contains:
+ enum:
+ - allwinner,sun50i-r329-lradc
+
+then:
+ required:
+ - clocks
+ - resets
+
additionalProperties: false
examples:
diff --git a/Documentation/devicetree/bindings/input/azoteq,iqs7222.yaml b/Documentation/devicetree/bindings/input/azoteq,iqs7222.yaml
new file mode 100644
index 000000000000..a3a1e5a65306
--- /dev/null
+++ b/Documentation/devicetree/bindings/input/azoteq,iqs7222.yaml
@@ -0,0 +1,960 @@
+# 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 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:
+ 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,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 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:
+ $ref: /schemas/types.yaml#/definitions/uint32
+ minimum: 0
+ maximum: 15
+ description:
+ Specifies the long-term average filter fast damping factor to be applied
+ during normal-power mode.
+
+ azoteq,timeout-ati-ms:
+ multipleOf: 500
+ minimum: 0
+ maximum: 32767500
+ description:
+ Specifies the delay (in ms) before ATI is retried following an ATI error.
+
+ azoteq,rate-ati-ms:
+ minimum: 0
+ maximum: 65535
+ description: Specifies the rate (in ms) at which ATI status is evaluated.
+
+ azoteq,timeout-np-ms:
+ minimum: 0
+ maximum: 65535
+ description:
+ Specifies the length of time (in ms) to wait for an event before moving
+ from normal-power mode to low-power mode.
+
+ azoteq,rate-np-ms:
+ minimum: 0
+ maximum: 3000
+ description: Specifies the report rate (in ms) during normal-power mode.
+
+ azoteq,timeout-lp-ms:
+ minimum: 0
+ maximum: 65535
+ description:
+ Specifies the length of time (in ms) to wait for an event before moving
+ from low-power mode to ultra-low-power mode.
+
+ azoteq,rate-lp-ms:
+ minimum: 0
+ maximum: 3000
+ description: Specifies the report rate (in ms) during low-power mode.
+
+ azoteq,timeout-ulp-ms:
+ minimum: 0
+ maximum: 65535
+ description:
+ Specifies the rate (in ms) at which channels not regularly sampled during
+ ultra-low-power mode are updated.
+
+ azoteq,rate-ulp-ms:
+ minimum: 0
+ maximum: 3000
+ description: Specifies the report rate (in ms) during ultra-low-power mode.
+
+patternProperties:
+ "^cycle-[0-9]$":
+ 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,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-([0-9]|1[0-9])$":
+ properties:
+ azoteq,ref-select: false
+
+ patternProperties:
+ "^event-(prox|touch)$":
+ properties:
+ azoteq,gpio-select: false
+
+ "^slider-[0-1]$": false
+
+ "^gpio-[0-2]$": false
+
+ - if:
+ properties:
+ compatible:
+ contains:
+ const: azoteq,iqs7222a
+
+ then:
+ patternProperties:
+ "^channel-([0-9]|1[0-9])$":
+ patternProperties:
+ "^event-(prox|touch)$":
+ properties:
+ azoteq,gpio-select:
+ maxItems: 1
+ items:
+ maximum: 0
+
+ "^slider-[0-1]$":
+ properties:
+ azoteq,slider-size:
+ multipleOf: 16
+ maximum: 4080
+
+ azoteq,top-speed:
+ multipleOf: 4
+ maximum: 1020
+
+ else:
+ patternProperties:
+ "^channel-([0-9]|1[0-9])$":
+ 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
+
+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>;
+ };
+ };
+ };
+ };
+
+...
diff --git a/Documentation/devicetree/bindings/input/google,cros-ec-keyb.yaml b/Documentation/devicetree/bindings/input/google,cros-ec-keyb.yaml
index e8f137abb03c..c31a02149f37 100644
--- a/Documentation/devicetree/bindings/input/google,cros-ec-keyb.yaml
+++ b/Documentation/devicetree/bindings/input/google,cros-ec-keyb.yaml
@@ -15,14 +15,16 @@ description: |
Google's ChromeOS EC Keyboard is a simple matrix keyboard
implemented on a separate EC (Embedded Controller) device. It provides
a message for reading key scans from the EC. These are then converted
- into keycodes for processing by the kernel.
-
-allOf:
- - $ref: "/schemas/input/matrix-keymap.yaml#"
+ into keycodes for processing by the kernel. This device also supports
+ switches/buttons like power and volume buttons.
properties:
compatible:
- const: google,cros-ec-keyb
+ oneOf:
+ - description: ChromeOS EC with only buttons/switches
+ const: google,cros-ec-keyb-switches
+ - description: ChromeOS EC with keyboard and possibly buttons/switches
+ const: google,cros-ec-keyb
google,needs-ghost-filter:
description:
@@ -41,15 +43,31 @@ properties:
where the lower 16 bits are reserved. This property is specified only
when the keyboard has a custom design for the top row keys.
+dependencies:
+ function-row-phsymap: [ 'linux,keymap' ]
+ google,needs-ghost-filter: [ 'linux,keymap' ]
+
required:
- compatible
+if:
+ properties:
+ compatible:
+ contains:
+ const: google,cros-ec-keyb
+then:
+ $ref: "/schemas/input/matrix-keymap.yaml#"
+ required:
+ - keypad,num-rows
+ - keypad,num-columns
+ - linux,keymap
+
unevaluatedProperties: false
examples:
- |
#include <dt-bindings/input/input.h>
- cros-ec-keyb {
+ keyboard-controller {
compatible = "google,cros-ec-keyb";
keypad,num-rows = <8>;
keypad,num-columns = <13>;
@@ -113,3 +131,9 @@ examples:
/* UP LEFT */
0x070b0067 0x070c0069>;
};
+ - |
+ /* No matrix keyboard, just buttons/switches */
+ keyboard-controller {
+ compatible = "google,cros-ec-keyb-switches";
+ };
+...