linux-kernel - [PATCH 1/2] iio: ti-ads124s08: Add DT binding documentation

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Message-ID: <20181204175955.8259-1-dmurphy@ti.com>
Date:   Tue, 4 Dec 2018 11:59:54 -0600
From:   Dan Murphy <dmurphy@...com>
To:     <linux-iio@...r.kernel.org>
CC:     <linux-kernel@...r.kernel.org>, <jic23@...nel.org>,
        <robh+dt@...nel.org>, Dan Murphy <dmurphy@...com>
Subject: [PATCH 1/2] iio: ti-ads124s08: Add DT binding documentation

Adding binding documentation for Texas Instruments ADS124S08
and ADS124S06 ADC.

S08 is a 12 channel ADC
S06 is a 6 channel ADC

Datesheet can be found here:
http://www.ti.com/lit/gpn/ads124s08

Signed-off-by: Dan Murphy <dmurphy@...com>
---
 .../bindings/iio/adc/ti-ads124s08.txt         | 25 +++++++++++++++++++
 1 file changed, 25 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/iio/adc/ti-ads124s08.txt

diff --git a/Documentation/devicetree/bindings/iio/adc/ti-ads124s08.txt b/Documentation/devicetree/bindings/iio/adc/ti-ads124s08.txt
new file mode 100644
index 000000000000..41ab67379ee1
--- /dev/null
+++ b/Documentation/devicetree/bindings/iio/adc/ti-ads124s08.txt
@@ -0,0 +1,25 @@
+* Texas Instruments' ads124s08 and ads124s06 ADC chip
+
+Required properties:
+ - compatible: Should be "ti,ads124s08" or "ti,ads124s06"
+ - reg: spi chip select number for the device
+
+Recommended properties:
+ - spi-max-frequency: Definition as per
+		Documentation/devicetree/bindings/spi/spi-bus.txt
+ - spi-cpha: Definition as per
+		Documentation/devicetree/bindings/spi/spi-bus.txt
+
+Optional properties:
+ - vref-supply: The regulator supply for ADC reference voltage
+ - reset-gpios: GPIO pin used to reset the device.
+
+Example:
+adc@0 {
+	compatible = "ti,ads8688";
+	reg = <0>;
+	vref-supply = <&vdd_supply>;
+	spi-max-frequency = <1000000>;
+	spi-cpha;
+	reset-gpios = <&gpio1 16 GPIO_ACTIVE_LOW>;
+};
-- 
2.20.0.rc1.10.g7068cbc4ab