diff options
Diffstat (limited to 'Documentation')
-rw-r--r-- | Documentation/ABI/testing/sysfs-bus-iio-vf610 | 7 | ||||
-rw-r--r-- | Documentation/devicetree/bindings/iio/adc/vf610-adc.txt | 9 | ||||
-rw-r--r-- | Documentation/devicetree/bindings/iio/st-sensors.txt | 1 |
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 = <®_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 |