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-rw-r--r--Documentation/ABI/testing/sysfs-bus-iio-vf6107
-rw-r--r--Documentation/devicetree/bindings/iio/adc/vf610-adc.txt9
-rw-r--r--Documentation/devicetree/bindings/iio/st-sensors.txt1
3 files changed, 17 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/sysfs-bus-iio-vf610 b/Documentation/ABI/testing/sysfs-bus-iio-vf610
new file mode 100644
index 000000000000..ecbc1f4af921
--- /dev/null
+++ b/Documentation/ABI/testing/sysfs-bus-iio-vf610
@@ -0,0 +1,7 @@
+What: /sys/bus/iio/devices/iio:deviceX/conversion_mode
+KernelVersion: 4.2
+Contact: linux-iio@vger.kernel.org
+Description:
+ Specifies the hardware conversion mode used. The three
+ available modes are "normal", "high-speed" and "low-power",
+ where the last is the default mode.
diff --git a/Documentation/devicetree/bindings/iio/adc/vf610-adc.txt b/Documentation/devicetree/bindings/iio/adc/vf610-adc.txt
index 1a4a43d5c9ea..3eb40e20c143 100644
--- a/Documentation/devicetree/bindings/iio/adc/vf610-adc.txt
+++ b/Documentation/devicetree/bindings/iio/adc/vf610-adc.txt
@@ -11,6 +11,13 @@ Required properties:
- clock-names: Must contain "adc", matching entry in the clocks property.
- vref-supply: The regulator supply ADC reference voltage.
+Recommended properties:
+- fsl,adck-max-frequency: Maximum frequencies according to datasheets operating
+ requirements. Three values are required, depending on conversion mode:
+ - Frequency in normal mode (ADLPC=0, ADHSC=0)
+ - Frequency in high-speed mode (ADLPC=0, ADHSC=1)
+ - Frequency in low-power mode (ADLPC=1, ADHSC=0)
+
Example:
adc0: adc@4003b000 {
compatible = "fsl,vf610-adc";
@@ -18,5 +25,7 @@ adc0: adc@4003b000 {
interrupts = <0 53 0x04>;
clocks = <&clks VF610_CLK_ADC0>;
clock-names = "adc";
+ fsl,adck-max-frequency = <30000000>, <40000000>,
+ <20000000>;
vref-supply = <&reg_vcc_3v3_mcu>;
};
diff --git a/Documentation/devicetree/bindings/iio/st-sensors.txt b/Documentation/devicetree/bindings/iio/st-sensors.txt
index fb5e0c2d18b5..8a6be3bdf267 100644
--- a/Documentation/devicetree/bindings/iio/st-sensors.txt
+++ b/Documentation/devicetree/bindings/iio/st-sensors.txt
@@ -30,6 +30,7 @@ Accelerometers:
- st,lsm330d-accel
- st,lsm330dl-accel
- st,lsm330dlc-accel
+- st,lis331dl-accel
- st,lis331dlh-accel
- st,lsm303dl-accel
- st,lsm303dlm-accel