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Subject[PATCH v3 2/2] dt-bindings: iio: adc: add Texas Instruments ADS7924
From: Hugo Villeneuve <hvilleneuve@dimonoff.com>

Add device tree bindings document for the Texas Instruments ADS7924
ADC.

Signed-off-by: Hugo Villeneuve <hvilleneuve@dimonoff.com>
---
.../bindings/iio/adc/ti,ads7924.yaml | 112 ++++++++++++++++++
1 file changed, 112 insertions(+)
create mode 100644 Documentation/devicetree/bindings/iio/adc/ti,ads7924.yaml

diff --git a/Documentation/devicetree/bindings/iio/adc/ti,ads7924.yaml b/Documentation/devicetree/bindings/iio/adc/ti,ads7924.yaml
new file mode 100644
index 000000000000..24bbf95383b4
--- /dev/null
+++ b/Documentation/devicetree/bindings/iio/adc/ti,ads7924.yaml
@@ -0,0 +1,112 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/iio/adc/ti,ads7924.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: TI ADS7924 4 channels 12 bits I2C analog to digital converter
+
+maintainers:
+ - Hugo Villeneuve <hvilleneuve@dimonoff.com>
+
+description: |
+ Texas Instruments ADS7924 4 channels 12 bits I2C analog to digital converter
+
+ Specifications:
+ https://www.ti.com/lit/gpn/ads7924
+
+properties:
+ compatible:
+ const: ti,ads7924
+
+ reg:
+ maxItems: 1
+
+ vref-supply:
+ description:
+ The regulator supply for the ADC reference voltage (AVDD)
+
+ reset-gpios:
+ maxItems: 1
+
+ interrupts:
+ maxItems: 1
+
+ "#address-cells":
+ const: 1
+
+ "#size-cells":
+ const: 0
+
+ "#io-channel-cells":
+ const: 1
+
+patternProperties:
+ "^channel@[0-3]+$":
+ $ref: adc.yaml
+
+ description: |
+ Represents the external channels which are connected to the ADC.
+
+ properties:
+ reg:
+ description: |
+ The channel number. It can have up to 4 channels numbered from 0 to 3.
+ items:
+ - minimum: 0
+ maximum: 3
+
+ label:
+ description: |
+ Unique name to identify the channel.
+
+ required:
+ - reg
+
+ additionalProperties: false
+
+additionalProperties: false
+
+required:
+ - compatible
+ - reg
+ - vref-supply
+ - "#address-cells"
+ - "#size-cells"
+
+examples:
+ - |
+ #include <dt-bindings/interrupt-controller/irq.h>
+ #include <dt-bindings/gpio/gpio.h>
+ i2c {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ adc@48 {
+ compatible = "ti,ads7924";
+ reg = <0x48>;
+ vref-supply = <&ads7924_reg>;
+ reset-gpios = <&gpio 5 GPIO_ACTIVE_LOW>;
+ interrupts = <25 IRQ_TYPE_EDGE_FALLING>;
+ interrupt-parent = <&gpio>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ channel@0 {
+ reg = <0>;
+ label = "CH0";
+ };
+ channel@1 {
+ reg = <1>;
+ label = "CH1";
+ };
+ channel@2 {
+ reg = <2>;
+ label = "CH2";
+ };
+ channel@3 {
+ reg = <3>;
+ label = "CH3";
+ };
+ };
+ };
+...
--
2.30.2
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