linux-kernel - [PATCH 1/3] DT/bindings: Add bindings for TI ADS7950 A/DC chips

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Message-Id: <1484157171-15571-2-git-send-email-david@lechnology.com>
Date:   Wed, 11 Jan 2017 11:52:49 -0600
From:   David Lechner <david@...hnology.com>
To:     devicetree@...r.kernel.org, linux-iio@...r.kernel.org
Cc:     David Lechner <david@...hnology.com>,
        Jonathan Cameron <jic23@...nel.org>,
        Hartmut Knaack <knaack.h@....de>,
        Lars-Peter Clausen <lars@...afoo.de>,
        Peter Meerwald-Stadler <pmeerw@...erw.net>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        linux-kernel@...r.kernel.org
Subject: [PATCH 1/3] DT/bindings: Add bindings for TI ADS7950 A/DC chips

This adds device tree bindings for the TI ADS7950 family of A/DC chips.

Signed-off-by: David Lechner <david@...hnology.com>
---
 .../devicetree/bindings/iio/adc/ti-ads7950.txt     | 23 ++++++++++++++++++++++
 1 file changed, 23 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/iio/adc/ti-ads7950.txt

diff --git a/Documentation/devicetree/bindings/iio/adc/ti-ads7950.txt b/Documentation/devicetree/bindings/iio/adc/ti-ads7950.txt
new file mode 100644
index 0000000..e77a6f7
--- /dev/null
+++ b/Documentation/devicetree/bindings/iio/adc/ti-ads7950.txt
@@ -0,0 +1,23 @@
+* Texas Instruments ADS7950 family of A/DC chips
+
+Required properties:
+ - compatible: Must be one of "ti,ads7950", "ti,ads7951", "ti,ads7952",
+   "ti,ads7953", "ti,ads7954", "ti,ads7955", "ti,ads7956", "ti,ads7957",
+   "ti,ads7958", "ti,ads7959", "ti,ads7960", or "ti,ads7961"
+ - reg: SPI chip select number for the device
+ - #io-channel-cells: Must be 1 as per ../iio-bindings.txt
+ - vref-supply: phandle to a regulator node that supplies the 2.5V or 5V
+   reference voltage
+
+Recommended properties:
+ - spi-max-frequency: Definition as per
+		Documentation/devicetree/bindings/spi/spi-bus.txt
+
+Example:
+adc@0 {
+	compatible = "ti,ads7957";
+	reg = <0>;
+	#io-channel-cells = <1>;
+	vref-supply = <&refin_supply>;
+	spi-max-frequency = <10000000>;
+};
-- 
2.7.4