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

From: David Lechner
Date: Wed Jan 11 2017 - 12:54:32 EST


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

Signed-off-by: David Lechner <david@xxxxxxxxxxxxxx>
---
.../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