Lines Matching +full:sense +full:- +full:freq
1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Jeff LaBundy <jeff@labundy.com>
13 The Azoteq IQS626A is a 14-channel capacitive touch controller that features
14 additional Hall-effect and inductive sensing capabilities.
19 - $ref: touchscreen/touchscreen.yaml#
31 "#address-cells":
34 "#size-cells":
37 azoteq,suspend-mode:
45 2: Ultra-low power (ULP channel proximity sensing)
48 azoteq,clk-div:
52 azoteq,ulp-enable:
55 Permits the device to automatically enter ultra-low-power mode from low-
58 azoteq,ulp-update:
64 updated during ultra-low-power mode as follows:
74 azoteq,ati-band-disable:
78 azoteq,ati-lp-only:
80 description: Limits automatic ATI to low-power mode.
82 azoteq,gpio3-select:
98 azoteq,reseed-select:
104 long-term average) of an associated channel as follows:
110 azoteq,thresh-extend:
112 description: Multiplies all touch and deep-touch thresholds by 4.
114 azoteq,tracking-enable:
120 azoteq,reseed-offset:
123 Applies an 8-count offset to all long-term averages upon either ATI or
126 azoteq,rate-np-ms:
130 description: Specifies the report rate (in ms) during normal-power mode.
132 azoteq,rate-lp-ms:
136 description: Specifies the report rate (in ms) during low-power mode.
138 azoteq,rate-ulp-ms:
143 description: Specifies the report rate (in ms) during ultra-low-power mode.
145 azoteq,timeout-pwr-ms:
152 from normal-power mode to low-power mode, or (if 'azoteq,ulp-enable' is
153 present) from low-power mode to ultra-low-power mode.
155 azoteq,timeout-lta-ms:
161 Specifies the length of time (in ms) to wait before resetting the long-
165 touchscreen-inverted-x: true
166 touchscreen-inverted-y: true
167 touchscreen-swapped-x-y: true
170 "^ulp-0|generic-[0-2]|hall$":
177 azoteq,ati-exclude:
183 azoteq,reseed-disable:
186 Prevents the channel from being reseeded if the long-term average
187 timeout (defined in 'azoteq,timeout-lta') expires.
189 azoteq,meas-cap-decrease:
194 azoteq,rx-inactive:
211 azoteq,dual-direction:
214 Specifies that the channel's long-term average is to freeze in the
215 presence of either increasing or decreasing counts, thereby permit-
218 azoteq,filt-disable:
222 azoteq,ati-mode:
228 1: Semi-partial
236 azoteq,ati-base:
243 azoteq,ati-target:
252 azoteq,cct-increase:
260 limited to 4 in the case of the ULP channel, and the property is un-
263 azoteq,proj-bias:
268 Specifies the bias current applied during projected-capacitance
277 azoteq,sense-freq:
282 numbers represent the frequency if 'azoteq,clk-div' is present):
291 azoteq,ati-band-tighten:
297 azoteq,proj-enable:
299 description: Enables projected-capacitance sensing (ULP channel only).
301 azoteq,filt-str-np-cnt:
306 Specifies the raw count filter strength during normal-power mode (ULP
309 azoteq,filt-str-lp-cnt:
314 Specifies the raw count filter strength during low-power mode (ULP and
317 azoteq,filt-str-np-lta:
322 Specifies the long-term average filter strength during normal-power
325 azoteq,filt-str-lp-lta:
330 Specifies the long-term average filter strength during low-power mode
333 azoteq,rx-enable:
334 $ref: /schemas/types.yaml#/definitions/uint32-array
346 azoteq,tx-enable:
347 $ref: /schemas/types.yaml#/definitions/uint32-array
359 azoteq,local-cap-size:
373 azoteq,sense-mode:
389 azoteq,tx-freq:
395 (parenthesized numbers represent the frequency if 'azoteq,clk-div'
404 azoteq,invert-enable:
408 deep-touch events relative to their respective thresholds (generic
411 azoteq,comp-disable:
416 azoteq,static-enable:
419 Enables the static front-end for the channel (generic channels only).
421 azoteq,assoc-select:
422 $ref: /schemas/types.yaml#/definitions/string-array
427 - ulp-0
428 - trackpad-3x2
429 - trackpad-3x3
430 - generic-0
431 - generic-1
432 - generic-2
433 - hall
436 reference channel. By default, no channels are selected. This prop-
439 azoteq,assoc-weight:
450 "^event-(prox|touch|deep)(-alt)?$":
454 Represents a proximity, touch or deep-touch event reported by the
456 '-alt' instead correspond to an increase in counts.
458 By default, the long-term average tracks an increase in counts such
462 Specify 'azoteq,dual-direction' to freeze the long-term average when
464 can be reported. Alternatively, specify 'azoteq,invert-enable' to in-
467 Complementary events (e.g. event-touch and event-touch-alt) can both
468 be present and specify different key or switch codes, but not differ-
472 deep-touch events are only available for the generic channels. Unless
488 Specifies the hysteresis for the event (touch and deep-touch
493 linux,input-type:
497 a switch (5). By default, Hall-channel events are interpreted as
503 azoteq,assoc-weight: ["azoteq,assoc-select"]
507 "^trackpad-3x[2-3]$":
515 azoteq,ati-exclude:
521 azoteq,reseed-disable:
524 Prevents the trackpad channels from being reseeded if the long-term
525 average timeout (defined in 'azoteq,timeout-lta') expires.
527 azoteq,meas-cap-decrease:
532 azoteq,rx-inactive:
545 azoteq,dual-direction:
548 Specifies that the trackpad's long-term averages are to freeze in
552 azoteq,filt-disable:
556 azoteq,ati-mode:
563 1: Semi-partial
567 azoteq,ati-base:
568 $ref: /schemas/types.yaml#/definitions/uint32-array
577 azoteq,ati-target:
585 azoteq,cct-increase:
594 azoteq,proj-bias:
599 Specifies the bias current applied during projected-capacitance
606 azoteq,sense-freq:
612 numbers represent the frequency if 'azoteq,clk-div' is present):
618 azoteq,ati-band-tighten:
624 $ref: /schemas/types.yaml#/definitions/uint32-array
641 azoteq,lta-update:
646 Specifies the update rate of the trackpad's long-term average during
647 ultra-low-power mode as follows:
657 azoteq,filt-str-trackpad:
663 azoteq,filt-str-np-cnt:
668 Specifies the raw count filter strength during normal-power mode.
670 azoteq,filt-str-lp-cnt:
675 Specifies the raw count filter strength during low-power mode.
690 azoteq,gesture-swipe:
696 azoteq,timeout-tap-ms:
705 azoteq,timeout-swipe-ms:
714 azoteq,thresh-swipe:
724 azoteq,gesture-swipe: ["linux,keycodes"]
725 azoteq,timeout-tap-ms: ["linux,keycodes"]
726 azoteq,timeout-swipe-ms: ["linux,keycodes"]
727 azoteq,thresh-swipe: ["linux,keycodes"]
732 - compatible
733 - reg
734 - interrupts
735 - "#address-cells"
736 - "#size-cells"
741 - |
742 #include <dt-bindings/input/input.h>
743 #include <dt-bindings/interrupt-controller/irq.h>
746 #address-cells = <1>;
747 #size-cells = <0>;
750 #address-cells = <1>;
751 #size-cells = <0>;
755 interrupt-parent = <&gpio>;
758 azoteq,rate-np-ms = <16>;
759 azoteq,rate-lp-ms = <160>;
761 azoteq,timeout-pwr-ms = <2560>;
762 azoteq,timeout-lta-ms = <32768>;
764 ulp-0 {
765 azoteq,meas-cap-decrease;
767 azoteq,ati-base = <75>;
768 azoteq,ati-target = <1024>;
770 azoteq,rx-enable = <2>, <3>, <4>,
773 event-prox {
778 trackpad-3x3 {
779 azoteq,filt-str-np-cnt = <1>;
780 azoteq,filt-str-lp-cnt = <1>;
787 azoteq,ati-mode = <3>;
788 azoteq,ati-base = <195>, <195>, <195>,
791 azoteq,ati-target = <512>;
793 azoteq,proj-bias = <1>;
794 azoteq,sense-freq = <2>;
803 azoteq,gesture-swipe;
804 azoteq,timeout-swipe-ms = <800>;
805 azoteq,timeout-tap-ms = <400>;
806 azoteq,thresh-swipe = <40>;
811 * the temperature-tracking channel leveraged
819 generic-2 {
820 azoteq,reseed-disable;
821 azoteq,meas-cap-decrease;
822 azoteq,dual-direction;
823 azoteq,comp-disable;
824 azoteq,static-enable;
828 azoteq,reseed-disable;
829 azoteq,meas-cap-decrease;
831 event-touch {