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>,
Rob Herring <robh@kernel.org>,
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 v3 2/3] dt-bindings:iio:adc: add documentation for TI TSC2046 controller
Date: Fri, 19 Mar 2021 15:45:08 +0100 [thread overview]
Message-ID: <20210319144509.7627-3-o.rempel@pengutronix.de> (raw)
In-Reply-To: <20210319144509.7627-1-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>
Reviewed-by: Rob Herring <robh@kernel.org>
---
.../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..601d69971d84
--- /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
+ oversampling-ratio: 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>;
+ oversampling-ratio = <5>;
+ };
+ channel@2 {
+ reg = <2>;
+ };
+ channel@3 {
+ reg = <3>;
+ settling-time-us = <700>;
+ oversampling-ratio = <5>;
+ };
+ channel@4 {
+ reg = <4>;
+ settling-time-us = <700>;
+ oversampling-ratio = <5>;
+ };
+ channel@5 {
+ reg = <5>;
+ settling-time-us = <700>;
+ oversampling-ratio = <5>;
+ };
+ channel@6 {
+ reg = <6>;
+ };
+ channel@7 {
+ reg = <7>;
+ };
+ };
+ };
+...
--
2.29.2
next prev parent reply other threads:[~2021-03-19 14:46 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-03-19 14:45 [PATCH v3 0/3] mainline ti tsc2046 adc driver Oleksij Rempel
2021-03-19 14:45 ` [PATCH v3 1/3] dt-bindings:iio:adc: add generic settling-time-us and oversampling-ratio channel properties Oleksij Rempel
2021-03-19 14:45 ` Oleksij Rempel [this message]
2021-03-19 14:45 ` [PATCH v3 3/3] iio: adc: add ADC driver for the TI TSC2046 controller Oleksij Rempel
2021-03-19 16:35 ` kernel test robot
2021-03-19 17:42 ` Andy Shevchenko
2021-03-22 10:30 ` Oleksij Rempel
2021-03-22 13:41 ` Andy Shevchenko
2021-03-22 14:08 ` Oleksij Rempel
2021-03-20 15:46 ` Jonathan Cameron
2021-03-22 11:56 ` Oleksij Rempel
2021-03-22 14:27 ` Jonathan Cameron
2021-03-29 7:38 ` Oleksij Rempel
2021-03-29 10:23 ` Jonathan Cameron
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