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Date: Thu, 13 May 2021 17:52:01 +0000
From: Jozsef Horvath <info@...istro.hu>
To: Jozsef Horvath <info@...istro.hu>,
Jonathan Cameron <jic23@...nel.org>,
Lars-Peter Clausen <lars@...afoo.de>,
Peter Meerwald-Stadler <pmeerw@...erw.net>,
Rob Herring <robh+dt@...nel.org>,
Liam Girdwood <lgirdwood@...il.com>,
Mark Brown <broonie@...nel.org>,
Heiko Stuebner <heiko@...ech.de>,
Andy Shevchenko <andy.shevchenko@...il.com>,
Alex Dewar <alex.dewar90@...il.com>,
Gene Chen <gene_chen@...htek.com>,
Saravanan Sekar <sravanhome@...il.com>,
Lee Jones <lee.jones@...aro.org>, linux-iio@...r.kernel.org,
devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH v1 2/2] dt-bindings: iio: adc: devicetree bindings for texas
instruments ads7142 iio driver
This is a device tree schema for iio driver for
Texas Instruments ADS7142 dual-channel, programmable sensor monitor.
Datasheet: https://www.ti.com/lit/ds/symlink/ads7142.pdf
Signed-off-by: Jozsef Horvath <info@...istro.hu>
---
changes v1
- Redundant parameters (ti,threshold-rising, etc.)
are removed
- Supply name changed(vref -> avdd)
- Added dvdd supply
- All the properties are removed with prefix "ti,"
---
.../bindings/iio/adc/ti,ads7142.yaml | 99 +++++++++++++++++++
1 file changed, 99 insertions(+)
create mode 100644 Documentation/devicetree/bindings/iio/adc/ti,ads7142.yaml
diff --git a/Documentation/devicetree/bindings/iio/adc/ti,ads7142.yaml b/Documentation/devicetree/bindings/iio/adc/ti,ads7142.yaml
new file mode 100644
index 000000000000..e4d701d1b2c6
--- /dev/null
+++ b/Documentation/devicetree/bindings/iio/adc/ti,ads7142.yaml
@@ -0,0 +1,99 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: "http://devicetree.org/schemas/iio/adc/ti,ads7142.yaml#"
+$schema: "http://devicetree.org/meta-schemas/core.yaml#"
+
+title: Texas Instruments ADS7142 adc driver device tree bindings
+
+maintainers:
+ - József Horváth <info@...istro.hu>
+
+description: |
+ This document is for describing the required device tree parameters
+ for ads7142 adc
+ The required parameters for proper operation are described below.
+
+ Datasheet: https://www.ti.com/lit/ds/symlink/ads7142.pdf
+
+properties:
+ compatible:
+ const: ti,ads7142
+
+ reg:
+ maxItems: 1
+
+ interrupts:
+ description: |
+ The BUSY/PDY pin is used as interrupt line in autonomous monitoring mode.
+ maxItems: 1
+
+ avdd-supply:
+ description: Regulator for the reference voltage
+
+ dvdd-supply: true
+
+ "#address-cells":
+ const: 1
+
+ "#size-cells":
+ const: 0
+
+ "#io-channel-cells":
+ const: 1
+
+patternProperties:
+ "^channel@[0-1]$":
+ $ref: "adc.yaml"
+ type: object
+ description: |
+ Represents the external channels which are connected to the ADC.
+ properties:
+ reg:
+ description: |
+ The channel number.
+ items:
+ minimum: 0
+ maximum: 1
+
+ required:
+ - reg
+
+ additionalProperties: false
+
+required:
+ - compatible
+ - "#io-channel-cells"
+
+additionalProperties: false
+
+examples:
+ - |
+ i2c {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ adc@1f {
+ compatible = "ti,ads7142";
+ reg = <0x1f>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ #io-channel-cells = <1>;
+
+ avdd-supply = <&vdd_3v3_reg>;
+ dvdd-supply = <&vdd_1v8_reg>;
+
+ interrupt-parent = <&gpio>;
+ interrupts = <7 2>;
+
+ channel@0 {
+ reg = <0>;
+ };
+
+ channel@1 {
+ reg = <1>;
+ };
+ };
+ };
+...
+
--
2.17.1
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