LKML Archive on lore.kernel.org
help / color / mirror / Atom feed
From: Oleksij Rempel <o.rempel@pengutronix.de>
To: Rob Herring <robh+dt@kernel.org>, Jonathan Cameron <jic23@kernel.org>
Cc: Oleksij Rempel <o.rempel@pengutronix.de>,
	devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
	Pengutronix Kernel Team <kernel@pengutronix.de>,
	David Jander <david@protonic.nl>,
	Robin van der Gracht <robin@protonic.nl>,
	linux-iio@vger.kernel.org, Lars-Peter Clausen <lars@metafoo.de>,
	Peter Meerwald-Stadler <pmeerw@pmeerw.net>,
	Dmitry Torokhov <dmitry.torokhov@gmail.com>
Subject: [PATCH v2 2/3] dt-bindings:iio:adc: add documentation for TI TSC2046 controller
Date: Fri, 12 Mar 2021 11:55:14 +0100	[thread overview]
Message-ID: <20210312105515.32055-3-o.rempel@pengutronix.de> (raw)
In-Reply-To: <20210312105515.32055-1-o.rempel@pengutronix.de>

Add a binding documentation for the TI TSC2046 touchscreen controllers
ADC functionality.

Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
---
 .../bindings/iio/adc/ti,tsc2046.yaml          | 115 ++++++++++++++++++
 1 file changed, 115 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/iio/adc/ti,tsc2046.yaml

diff --git a/Documentation/devicetree/bindings/iio/adc/ti,tsc2046.yaml b/Documentation/devicetree/bindings/iio/adc/ti,tsc2046.yaml
new file mode 100644
index 000000000000..4f705dc0f639
--- /dev/null
+++ b/Documentation/devicetree/bindings/iio/adc/ti,tsc2046.yaml
@@ -0,0 +1,115 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/iio/adc/ti,tsc2046.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Texas Instruments TSC2046 touch screen controller.
+
+maintainers:
+  - Oleksij Rempel <o.rempel@pengutronix.de>
+
+description: |
+  TSC2046 is a touch screen controller with 8 channels ADC.
+
+properties:
+  compatible:
+    enum:
+      - ti,tsc2046e-adc
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    maxItems: 1
+
+  spi-max-frequency: true
+
+  "#io-channel-cells":
+    const: 1
+
+  '#address-cells':
+    const: 1
+
+  '#size-cells':
+    const: 0
+
+required:
+  - compatible
+  - reg
+
+patternProperties:
+  "^channel@[0-7]$":
+    $ref: "adc.yaml"
+    type: object
+
+    properties:
+      reg:
+        description: |
+          The channel number. It can have up to 8 channels
+        items:
+          minimum: 0
+          maximum: 7
+
+      settling-time-us: true
+      average-samples: true
+
+    required:
+      - reg
+
+    additionalProperties: false
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/interrupt-controller/irq.h>
+    spi {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        adc@0 {
+            compatible = "ti,tsc2046e-adc";
+            reg = <0>;
+            spi-max-frequency = <1000000>;
+            interrupts-extended = <&gpio3 20 IRQ_TYPE_LEVEL_LOW>;
+            #io-channel-cells = <1>;
+
+            #address-cells = <1>;
+            #size-cells = <0>;
+
+            channel@0 {
+              reg = <0>;
+            };
+            channel@1 {
+              reg = <1>;
+              settling-time-us = <700>;
+              average-samples = <5>;
+            };
+            channel@2 {
+              reg = <2>;
+            };
+            channel@3 {
+              reg = <3>;
+              settling-time-us = <700>;
+              average-samples = <5>;
+            };
+            channel@4 {
+              reg = <4>;
+              settling-time-us = <700>;
+              average-samples = <5>;
+            };
+            channel@5 {
+              reg = <5>;
+              settling-time-us = <700>;
+              average-samples = <5>;
+            };
+            channel@6 {
+              reg = <6>;
+            };
+            channel@7 {
+              reg = <7>;
+            };
+        };
+    };
+...
-- 
2.29.2


  parent reply	other threads:[~2021-03-12 10:56 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-03-12 10:55 [PATCH v2 0/3] mainline ti tsc2046 adc driver Oleksij Rempel
2021-03-12 10:55 ` [PATCH v2 1/3] dt-bindings:iio:adc: add generic settling-time-us and average-samples channel properties Oleksij Rempel
2021-03-13 15:15   ` Jonathan Cameron
2021-03-12 10:55 ` Oleksij Rempel [this message]
2021-03-15 16:20   ` [PATCH v2 2/3] dt-bindings:iio:adc: add documentation for TI TSC2046 controller Rob Herring
2021-03-12 10:55 ` [PATCH v2 3/3] iio: adc: add ADC driver for the " Oleksij Rempel
2021-03-12 15:32   ` Andy Shevchenko
2021-03-12 17:49   ` kernel test robot
2021-03-13 16:11   ` Jonathan Cameron
2021-03-16  5:57     ` Oleksij Rempel

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=20210312105515.32055-3-o.rempel@pengutronix.de \
    --to=o.rempel@pengutronix.de \
    --cc=david@protonic.nl \
    --cc=devicetree@vger.kernel.org \
    --cc=dmitry.torokhov@gmail.com \
    --cc=jic23@kernel.org \
    --cc=kernel@pengutronix.de \
    --cc=lars@metafoo.de \
    --cc=linux-iio@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=pmeerw@pmeerw.net \
    --cc=robh+dt@kernel.org \
    --cc=robin@protonic.nl \
    --subject='Re: [PATCH v2 2/3] dt-bindings:iio:adc: add documentation for TI TSC2046 controller' \
    /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

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).