On Tue, Nov 26, 2013 at 10:56:34AM +0000, Fugang Duan wrote: > The patch adds the binding file for Freescale vf610 ADC driver. > > Signed-off-by: Fugang Duan <B38611@xxxxxxxxxxxxx> > --- > .../devicetree/bindings/iio/adc/vf610-adc.txt | 57 ++++++++++++++++++++ > 1 files changed, 57 insertions(+), 0 deletions(-) > > diff --git a/Documentation/devicetree/bindings/iio/adc/vf610-adc.txt b/Documentation/devicetree/bindings/iio/adc/vf610-adc.txt > new file mode 100644 > index 0000000..4101516 > --- /dev/null > +++ b/Documentation/devicetree/bindings/iio/adc/vf610-adc.txt > @@ -0,0 +1,57 @@ > +Freescale vf610 Analog to Digital Converter bindings > + > +The devicetree bindings are for the new ADC driver written for > +vf610/i.MX6slx and upward SoCs from Freescale. > + > +Required properties: > +- compatible: Should be "fsl,vf610-adc" s/be/contain/ > +- reg: Offset and length of the register set for the device > +- interrupts: Should contain the interrupt for the device > +- clocks: The clocks needed by the ADC controller How many? Which ones? > +- clock-names: the name of the clocks Either define the set of names, or don't use clock-names. It's useless if it doesn't tell you anything. > + > +Optional properties: > +- fsl,adc-io-pinctl: Enable field for the I/O port control of MCU pins used as analog inputs. > +- fsl,adc-vref: ADC refrence voltage value, unit is uV. Can you not query the regulator to figure this out? > +- fsl,adc-clk-div: Current clock divider value, such as 1,2,4,8,16 and so on. Could you elaborate on this? What's it used for and why is it needed? > +- fsl,adc-res: ADC conversion mode selection, such as 8 for 8-bit, 10 for 10-bit, 12 for 12-bit mode. This sounds like something that could be changed at runtime. Why does this need to be configured in the DT? > +- fsl,adc-sam-time: ADC sample time duration, number of ADC clocks, such as 2, 4, 6, 8, 12, 16, 20, 24 Likewise. Please don't poinltessly abbreviate, "sample" is much better than "sam" here... > +- fsl,adc-aver-sam-sel: Determines how many ADC conversions will be averaged to create the ADC average result. > + The Optional value is 4, 8, 16, 32. Likewise. > +- fsl,adc-hw-aver-en: Bool type to decide enable hardware average function. When would you wnat this and when wouldn't you? Similarly, "averages" is far clearer than "aver". > +- fsl,adc-low-power-mode: Bool type to decide enable ADC low power mode. Similarly? > +- fsl,adc-high-speed-conv: Bool type to decide enable ADC high speed mode. Similarly? > +- vref: The regulator to support ADC refrence voltage. s/vref/vref-supply/ Thanks, Mark. -- To unsubscribe from this list: send the line "unsubscribe linux-iio" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
