| Message ID | 1447675269-8831-3-git-send-email-mpa@pengutronix.de (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
On Mon, Nov 16, 2015 at 01:01:03PM +0100, Markus Pargmann wrote: > The documentation describes the bindings for the imx25 GCQ unit which is > essentially a generic conversion queue using the imx25 ADC. > > Signed-off-by: Markus Pargmann <mpa@pengutronix.de> > --- > > Notes: > Changes in v6: > - Changed bindings to use adc-refp and adc-refn. Also a bit of cleanup in the > setup routine. > > Changes in v5: > - Fixed locking > - Removed module owner > > .../devicetree/bindings/iio/adc/fsl,imx25-gcq.txt | 58 ++++++++++++++++++++++ > 1 file changed, 58 insertions(+) > create mode 100644 Documentation/devicetree/bindings/iio/adc/fsl,imx25-gcq.txt > > diff --git a/Documentation/devicetree/bindings/iio/adc/fsl,imx25-gcq.txt b/Documentation/devicetree/bindings/iio/adc/fsl,imx25-gcq.txt > new file mode 100644 > index 000000000000..b0866d36a307 > --- /dev/null > +++ b/Documentation/devicetree/bindings/iio/adc/fsl,imx25-gcq.txt > +Optional properties for subnodes: > + - fsl,adc-refp: specifies the positive reference input as defined in > + <dt-bindings/iio/adc/fsl-imx25-gcq.h> > + - fsl,adc-refn: specifies the negative reference input as defined in > + <dt-bindings/iio/adc/fsl-imx25-gcq.h> This header should be part of this commit. > + > +Example: > + > + adc: adc@50030800 { > + compatible = "fsl,imx25-gcq"; > + reg = <0x50030800 0x60>; > + interrupt-parent = <&tscadc>; > + interrupts = <1>; > + #address-cells = <1>; > + #size-cells = <0>; > + > + inaux@5 { > + reg = <5>; > + fsl,adc-refp = <MX25_ADC_REFP_INT>; > + fsl,adc-refn = <MX25_ADC_REFN_NGND>; > + }; > + }; > -- > 2.6.1 > > -- > To unsubscribe from this list: send the line "unsubscribe devicetree" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html
On Monday 16 November 2015 09:12:55 Rob Herring wrote: > On Mon, Nov 16, 2015 at 01:01:03PM +0100, Markus Pargmann wrote: > > The documentation describes the bindings for the imx25 GCQ unit which is > > essentially a generic conversion queue using the imx25 ADC. > > > > Signed-off-by: Markus Pargmann <mpa@pengutronix.de> > > --- > > > > Notes: > > Changes in v6: > > - Changed bindings to use adc-refp and adc-refn. Also a bit of cleanup in the > > setup routine. > > > > Changes in v5: > > - Fixed locking > > - Removed module owner > > > > .../devicetree/bindings/iio/adc/fsl,imx25-gcq.txt | 58 ++++++++++++++++++++++ > > 1 file changed, 58 insertions(+) > > create mode 100644 Documentation/devicetree/bindings/iio/adc/fsl,imx25-gcq.txt > > > > diff --git a/Documentation/devicetree/bindings/iio/adc/fsl,imx25-gcq.txt b/Documentation/devicetree/bindings/iio/adc/fsl,imx25-gcq.txt > > new file mode 100644 > > index 000000000000..b0866d36a307 > > --- /dev/null > > +++ b/Documentation/devicetree/bindings/iio/adc/fsl,imx25-gcq.txt > > > > +Optional properties for subnodes: > > + - fsl,adc-refp: specifies the positive reference input as defined in > > + <dt-bindings/iio/adc/fsl-imx25-gcq.h> > > + - fsl,adc-refn: specifies the negative reference input as defined in > > + <dt-bindings/iio/adc/fsl-imx25-gcq.h> > > This header should be part of this commit. Thanks, will fix that. Best Regards, Markus > > > + > > +Example: > > + > > + adc: adc@50030800 { > > + compatible = "fsl,imx25-gcq"; > > + reg = <0x50030800 0x60>; > > + interrupt-parent = <&tscadc>; > > + interrupts = <1>; > > + #address-cells = <1>; > > + #size-cells = <0>; > > + > > + inaux@5 { > > + reg = <5>; > > + fsl,adc-refp = <MX25_ADC_REFP_INT>; > > + fsl,adc-refn = <MX25_ADC_REFN_NGND>; > > + }; > > + }; > > _______________________________________________ > linux-arm-kernel mailing list > linux-arm-kernel@lists.infradead.org > http://lists.infradead.org/mailman/listinfo/linux-arm-kernel >
diff --git a/Documentation/devicetree/bindings/iio/adc/fsl,imx25-gcq.txt b/Documentation/devicetree/bindings/iio/adc/fsl,imx25-gcq.txt new file mode 100644 index 000000000000..b0866d36a307 --- /dev/null +++ b/Documentation/devicetree/bindings/iio/adc/fsl,imx25-gcq.txt @@ -0,0 +1,58 @@ +Freescale i.MX25 ADC GCQ device + +This is a generic conversion queue device that can convert any of the +analog inputs using the ADC unit of the i.MX25. + +Required properties: + - compatible: Should be "fsl,imx25-gcq". + - reg: Should be the register range of the module. + - interrupts: Should be the interrupt number of the module. + Typically this is <1>. + - interrupt-parent: phandle to the tsadc module of the i.MX25. + - #address-cells: Should be <1> (setting for the subnodes) + - #size-cells: Should be <0> (setting for the subnodes) + +Optional properties: + - vref-ext-supply: The regulator supplying the ADC reference voltage. + Required when at least one subnode uses the this reference. + - vref-xp-supply: The regulator supplying the ADC reference voltage on pin XP. + Required when at least one subnode uses this reference. + - vref-yp-supply: The regulator supplying the ADC reference voltage on pin YP. + Required when at least one subnode uses this reference. + +Sub-nodes: +Optionally you can define subnodes which define the reference voltage +for the analog inputs. + +Required properties for subnodes: + - reg: Should be the number of the analog input. + 0: xp + 1: yp + 2: xn + 3: yn + 4: wiper + 5: inaux0 + 6: inaux1 + 7: inaux2 +Optional properties for subnodes: + - fsl,adc-refp: specifies the positive reference input as defined in + <dt-bindings/iio/adc/fsl-imx25-gcq.h> + - fsl,adc-refn: specifies the negative reference input as defined in + <dt-bindings/iio/adc/fsl-imx25-gcq.h> + +Example: + + adc: adc@50030800 { + compatible = "fsl,imx25-gcq"; + reg = <0x50030800 0x60>; + interrupt-parent = <&tscadc>; + interrupts = <1>; + #address-cells = <1>; + #size-cells = <0>; + + inaux@5 { + reg = <5>; + fsl,adc-refp = <MX25_ADC_REFP_INT>; + fsl,adc-refn = <MX25_ADC_REFN_NGND>; + }; + };
The documentation describes the bindings for the imx25 GCQ unit which is essentially a generic conversion queue using the imx25 ADC. Signed-off-by: Markus Pargmann <mpa@pengutronix.de> --- Notes: Changes in v6: - Changed bindings to use adc-refp and adc-refn. Also a bit of cleanup in the setup routine. Changes in v5: - Fixed locking - Removed module owner .../devicetree/bindings/iio/adc/fsl,imx25-gcq.txt | 58 ++++++++++++++++++++++ 1 file changed, 58 insertions(+) create mode 100644 Documentation/devicetree/bindings/iio/adc/fsl,imx25-gcq.txt