| Message ID | 1449431542-1892-3-git-send-email-mpa@pengutronix.de (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
On Sun, Dec 06, 2015 at 08:52:15PM +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> Acked-by: Rob Herring <robh@kernel.org> > --- > > Notes: > Changes in v9: > - Added the dt-bindings header to this patch instead of the driver > > 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 ++++++++++++++++++++++ > include/dt-bindings/iio/adc/fsl-imx25-gcq.h | 18 +++++++ > 2 files changed, 76 insertions(+) > create mode 100644 Documentation/devicetree/bindings/iio/adc/fsl,imx25-gcq.txt > create mode 100644 include/dt-bindings/iio/adc/fsl-imx25-gcq.h > > 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>; > + }; > + }; > diff --git a/include/dt-bindings/iio/adc/fsl-imx25-gcq.h b/include/dt-bindings/iio/adc/fsl-imx25-gcq.h > new file mode 100644 > index 000000000000..87abdd4a7674 > --- /dev/null > +++ b/include/dt-bindings/iio/adc/fsl-imx25-gcq.h > @@ -0,0 +1,18 @@ > +/* > + * This header provides constants for configuring the I.MX25 ADC > + */ > + > +#ifndef _DT_BINDINGS_IIO_ADC_FS_IMX25_GCQ_H > +#define _DT_BINDINGS_IIO_ADC_FS_IMX25_GCQ_H > + > +#define MX25_ADC_REFP_YP 0 /* YP voltage reference */ > +#define MX25_ADC_REFP_XP 1 /* XP voltage reference */ > +#define MX25_ADC_REFP_EXT 2 /* External voltage reference */ > +#define MX25_ADC_REFP_INT 3 /* Internal voltage reference */ > + > +#define MX25_ADC_REFN_XN 0 /* XN ground reference */ > +#define MX25_ADC_REFN_YN 1 /* YN ground reference */ > +#define MX25_ADC_REFN_NGND 2 /* Internal ground reference */ > +#define MX25_ADC_REFN_NGND2 3 /* External ground reference */ > + > +#endif > -- > 2.6.2 > > -- > 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 07/12/15 17:39, Rob Herring wrote: > On Sun, Dec 06, 2015 at 08:52:15PM +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> > > Acked-by: Rob Herring <robh@kernel.org> Acked-by: Jonathan Cameron <jic23@kernel.org> > >> --- >> >> Notes: >> Changes in v9: >> - Added the dt-bindings header to this patch instead of the driver >> >> 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 ++++++++++++++++++++++ >> include/dt-bindings/iio/adc/fsl-imx25-gcq.h | 18 +++++++ >> 2 files changed, 76 insertions(+) >> create mode 100644 Documentation/devicetree/bindings/iio/adc/fsl,imx25-gcq.txt >> create mode 100644 include/dt-bindings/iio/adc/fsl-imx25-gcq.h >> >> 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>; >> + }; >> + }; >> diff --git a/include/dt-bindings/iio/adc/fsl-imx25-gcq.h b/include/dt-bindings/iio/adc/fsl-imx25-gcq.h >> new file mode 100644 >> index 000000000000..87abdd4a7674 >> --- /dev/null >> +++ b/include/dt-bindings/iio/adc/fsl-imx25-gcq.h >> @@ -0,0 +1,18 @@ >> +/* >> + * This header provides constants for configuring the I.MX25 ADC >> + */ >> + >> +#ifndef _DT_BINDINGS_IIO_ADC_FS_IMX25_GCQ_H >> +#define _DT_BINDINGS_IIO_ADC_FS_IMX25_GCQ_H >> + >> +#define MX25_ADC_REFP_YP 0 /* YP voltage reference */ >> +#define MX25_ADC_REFP_XP 1 /* XP voltage reference */ >> +#define MX25_ADC_REFP_EXT 2 /* External voltage reference */ >> +#define MX25_ADC_REFP_INT 3 /* Internal voltage reference */ >> + >> +#define MX25_ADC_REFN_XN 0 /* XN ground reference */ >> +#define MX25_ADC_REFN_YN 1 /* YN ground reference */ >> +#define MX25_ADC_REFN_NGND 2 /* Internal ground reference */ >> +#define MX25_ADC_REFN_NGND2 3 /* External ground reference */ >> + >> +#endif >> -- >> 2.6.2 >> >> -- >> 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 > -- > To unsubscribe from this list: send the line "unsubscribe linux-iio" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html >
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>; + }; + }; diff --git a/include/dt-bindings/iio/adc/fsl-imx25-gcq.h b/include/dt-bindings/iio/adc/fsl-imx25-gcq.h new file mode 100644 index 000000000000..87abdd4a7674 --- /dev/null +++ b/include/dt-bindings/iio/adc/fsl-imx25-gcq.h @@ -0,0 +1,18 @@ +/* + * This header provides constants for configuring the I.MX25 ADC + */ + +#ifndef _DT_BINDINGS_IIO_ADC_FS_IMX25_GCQ_H +#define _DT_BINDINGS_IIO_ADC_FS_IMX25_GCQ_H + +#define MX25_ADC_REFP_YP 0 /* YP voltage reference */ +#define MX25_ADC_REFP_XP 1 /* XP voltage reference */ +#define MX25_ADC_REFP_EXT 2 /* External voltage reference */ +#define MX25_ADC_REFP_INT 3 /* Internal voltage reference */ + +#define MX25_ADC_REFN_XN 0 /* XN ground reference */ +#define MX25_ADC_REFN_YN 1 /* YN ground reference */ +#define MX25_ADC_REFN_NGND 2 /* Internal ground reference */ +#define MX25_ADC_REFN_NGND2 3 /* External ground reference */ + +#endif
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 v9: - Added the dt-bindings header to this patch instead of the driver 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 ++++++++++++++++++++++ include/dt-bindings/iio/adc/fsl-imx25-gcq.h | 18 +++++++ 2 files changed, 76 insertions(+) create mode 100644 Documentation/devicetree/bindings/iio/adc/fsl,imx25-gcq.txt create mode 100644 include/dt-bindings/iio/adc/fsl-imx25-gcq.h