From: Jiri Valek - 2N <jiriv@axis.com>
To: <krzysztof.kozlowski+dt@linaro.org>, <dmitry.torokhov@gmail.com>
Cc: <jiriv@axis.com>, <devicetree@vger.kernel.org>,
<linux-input@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
<robh+dt@kernel.org>, <u.kleine-koenig@pengutronix.de>
Subject: [PATCH v3 1/2] dt-bindings: input: microchip,cap11xx: add advanced sensitivity settings
Date: Mon, 26 Jun 2023 15:00:05 +0200 [thread overview]
Message-ID: <20230626130006.850254-2-jiriv@axis.com> (raw)
In-Reply-To: <20230626130006.850254-1-jiriv@axis.com>
Add support for advanced sensitivity settings and signal guard feature.
Signed-off-by: Jiri Valek - 2N <jiriv@axis.com>
---
.../bindings/input/microchip,cap11xx.yaml | 77 +++++++++++++++++--
1 file changed, 72 insertions(+), 5 deletions(-)
diff --git a/Documentation/devicetree/bindings/input/microchip,cap11xx.yaml b/Documentation/devicetree/bindings/input/microchip,cap11xx.yaml
index 5fa625b5c5fb..b69dac1fba0e 100644
--- a/Documentation/devicetree/bindings/input/microchip,cap11xx.yaml
+++ b/Documentation/devicetree/bindings/input/microchip,cap11xx.yaml
@@ -45,13 +45,13 @@ properties:
Enables the Linux input system's autorepeat feature on the input device.
linux,keycodes:
- minItems: 6
- maxItems: 6
+ minItems: 3
+ maxItems: 8
description: |
Specifies an array of numeric keycode values to
be used for the channels. If this property is
omitted, KEY_A, KEY_B, etc are used as defaults.
- The array must have exactly six entries.
+ The number of entries must correspond to the number of channels.
microchip,sensor-gain:
$ref: /schemas/types.yaml#/definitions/uint32
@@ -70,6 +70,55 @@ properties:
open drain. This property allows using the active
high push-pull output.
+ microchip,sensitivity-delta-sense:
+ $ref: /schemas/types.yaml#/definitions/uint32
+ default: 32
+ enum: [1, 2, 4, 8, 16, 32, 64, 128]
+ description:
+ Optional parameter. Controls the sensitivity multiplier of a touch detection.
+ At the more sensitive settings, touches are detected for a smaller delta
+ capacitance corresponding to a “lighter” touch.
+
+ microchip,signal-guard:
+ $ref: /schemas/types.yaml#/definitions/uint32-array
+ minItems: 3
+ maxItems: 8
+ items:
+ minimum: 0
+ maximum: 1
+ description: |
+ Optional parameter supported only for CAP129x.
+ 0 - off
+ 1 - on
+ The signal guard isolates the signal from virtual grounds.
+ If enabled then the behavior of the channel is changed to signal guard.
+ The number of entries must correspond to the number of channels.
+
+ microchip,input-treshold:
+ $ref: /schemas/types.yaml#/definitions/uint32-array
+ minItems: 3
+ maxItems: 8
+ items:
+ minimum: 0
+ maximum: 127
+ description:
+ Optional parameter. Specifies the delta threshold that is used to
+ determine if a touch has been detected.
+ The number of entries must correspond to the number of channels.
+
+ microchip,calib-sensitivity:
+ $ref: /schemas/types.yaml#/definitions/uint32-array
+ minItems: 3
+ maxItems: 8
+ items:
+ minimum: 1
+ maximum: 4
+ description:
+ Optional parameter supported only for CAP129x. Specifies an array of
+ numeric values that controls the gain used by the calibration routine to
+ enable sensor inputs to be more sensitive for proximity detection.
+ The number of entries must correspond to the number of channels.
+
patternProperties:
"^led@[0-7]$":
type: object
@@ -98,10 +147,23 @@ allOf:
compatible:
contains:
enum:
- - microchip,cap1106
+ - microchip,cap1188
then:
patternProperties:
- "^led@[0-7]$": false
+ "^led@[0-7]$": true
+
+ - if:
+ properties:
+ compatible:
+ contains:
+ enum:
+ - microchip,cap1293
+ - microchip,cap1298
+
+ then:
+ properties:
+ microchip,signal-guard: true
+ microchip,calib-sensitivity: true
required:
- compatible
@@ -122,6 +184,11 @@ examples:
reg = <0x28>;
autorepeat;
microchip,sensor-gain = <2>;
+ microchip,sensitivity-delta-sense = <16>;
+
+ microchip,signal-guard = <0>, <0>, <0>, <0>, <0>, <0>;
+ microchip,input-treshold = <21>, <18>, <46>, <46>, <46>, <21>;
+ microchip,calib-sensitivity = <1>, <2>, <2>, <1>, <1>, <2>;
linux,keycodes = <103>, /* KEY_UP */
<106>, /* KEY_RIGHT */
--
2.25.1
next prev parent reply other threads:[~2023-06-26 13:00 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-06-26 13:00 [PATCH v3 0/2] Input: cap11xx add advanced sensitivity settings Jiri Valek - 2N
2023-06-26 13:00 ` Jiri Valek - 2N [this message]
2023-06-26 13:00 ` [PATCH v3 2/2] Input: cap11xx - " Jiri Valek - 2N
2023-06-26 18:49 ` kernel test robot
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20230626130006.850254-2-jiriv@axis.com \
--to=jiriv@axis.com \
--cc=devicetree@vger.kernel.org \
--cc=dmitry.torokhov@gmail.com \
--cc=krzysztof.kozlowski+dt@linaro.org \
--cc=linux-input@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=robh+dt@kernel.org \
--cc=u.kleine-koenig@pengutronix.de \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.