diff mbox

[v7,7/9] dt-bindings: iio: adc: at91-sama5d2_adc: add channel specific consumer info

Message ID 1526975559-18966-8-git-send-email-eugen.hristev@microchip.com (mailing list archive)
State New, archived
Headers show

Commit Message

Eugen Hristev May 22, 2018, 7:52 a.m. UTC 
Added defines for channel consumer device-tree binding

Signed-off-by: Eugen Hristev <eugen.hristev@microchip.com>
Reviewed-by: Rob Herring <robh@kernel.org>
---
 .../devicetree/bindings/iio/adc/at91-sama5d2_adc.txt     |  9 +++++++++
 include/dt-bindings/iio/adc/at91-sama5d2_adc.h           | 16 ++++++++++++++++
 2 files changed, 25 insertions(+)
 create mode 100644 include/dt-bindings/iio/adc/at91-sama5d2_adc.h

Comments

Ludovic Desroches May 22, 2018, 12:23 p.m. UTC | #1 
On Tue, May 22, 2018 at 10:52:37AM +0300, Eugen Hristev wrote:
> Added defines for channel consumer device-tree binding
> 
> Signed-off-by: Eugen Hristev <eugen.hristev@microchip.com>
> Reviewed-by: Rob Herring <robh@kernel.org>
Acked-by: Ludovic Desroches <ludovic.desroches@microchip.com>

> ---
>  .../devicetree/bindings/iio/adc/at91-sama5d2_adc.txt     |  9 +++++++++
>  include/dt-bindings/iio/adc/at91-sama5d2_adc.h           | 16 ++++++++++++++++
>  2 files changed, 25 insertions(+)
>  create mode 100644 include/dt-bindings/iio/adc/at91-sama5d2_adc.h
> 
> diff --git a/Documentation/devicetree/bindings/iio/adc/at91-sama5d2_adc.txt b/Documentation/devicetree/bindings/iio/adc/at91-sama5d2_adc.txt
> index 6469a4c..4a3c1d4 100644
> --- a/Documentation/devicetree/bindings/iio/adc/at91-sama5d2_adc.txt
> +++ b/Documentation/devicetree/bindings/iio/adc/at91-sama5d2_adc.txt
> @@ -21,6 +21,14 @@ Optional properties:
>    - dmas: Phandle to dma channel for the ADC.
>    - dma-names: Must be "rx" when dmas property is being used.
>    See ../../dma/dma.txt for details.
> +  - #io-channel-cells: in case consumer drivers are attached, this must be 1.
> +  See <Documentation/devicetree/bindings/iio/iio-bindings.txt> for details.
> +
> +Properties for consumer drivers:
> +  - Consumer drivers can be connected to this producer device, as specified
> +  in <Documentation/devicetree/bindings/iio/iio-bindings.txt>
> +  - Channels exposed are specified in:
> +  <dt-bindings/iio/adc/at91-sama5d2_adc.txt>
>  
>  Example:
>  
> @@ -38,4 +46,5 @@ adc: adc@fc030000 {
>  	atmel,trigger-edge-type = <IRQ_TYPE_EDGE_BOTH>;
>  	dmas = <&dma0 (AT91_XDMAC_DT_MEM_IF(0) | AT91_XDMAC_DT_PER_IF(1) | AT91_XDMAC_DT_PERID(25))>;
>  	dma-names = "rx";
> +	#io-channel-cells = <1>;
>  }
> diff --git a/include/dt-bindings/iio/adc/at91-sama5d2_adc.h b/include/dt-bindings/iio/adc/at91-sama5d2_adc.h
> new file mode 100644
> index 0000000..70f99db
> --- /dev/null
> +++ b/include/dt-bindings/iio/adc/at91-sama5d2_adc.h
> @@ -0,0 +1,16 @@
> +/* SPDX-License-Identifier: GPL-2.0 */
> +/*
> + * This header provides constants for configuring the AT91 SAMA5D2 ADC
> + */
> +
> +#ifndef _DT_BINDINGS_IIO_ADC_AT91_SAMA5D2_ADC_H
> +#define _DT_BINDINGS_IIO_ADC_AT91_SAMA5D2_ADC_H
> +
> +/* X relative position channel index */
> +#define AT91_SAMA5D2_ADC_X_CHANNEL		24
> +/* Y relative position channel index */
> +#define AT91_SAMA5D2_ADC_Y_CHANNEL		25
> +/* pressure channel index */
> +#define AT91_SAMA5D2_ADC_P_CHANNEL		26
> +
> +#endif
> -- 
> 2.7.4
> 
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Jonathan Cameron June 10, 2018, 12:34 p.m. UTC | #2 
On Tue, 22 May 2018 14:23:19 +0200
Ludovic Desroches <ludovic.desroches@microchip.com> wrote:

> On Tue, May 22, 2018 at 10:52:37AM +0300, Eugen Hristev wrote:
> > Added defines for channel consumer device-tree binding
> > 
> > Signed-off-by: Eugen Hristev <eugen.hristev@microchip.com>
> > Reviewed-by: Rob Herring <robh@kernel.org>  
> Acked-by: Ludovic Desroches <ludovic.desroches@microchip.com>
Applied to the togreg branch of iio.git and pushed out as testing for
the autobuilders to play with it.

Thanks,

Jonathan

> 
> > ---
> >  .../devicetree/bindings/iio/adc/at91-sama5d2_adc.txt     |  9 +++++++++
> >  include/dt-bindings/iio/adc/at91-sama5d2_adc.h           | 16 ++++++++++++++++
> >  2 files changed, 25 insertions(+)
> >  create mode 100644 include/dt-bindings/iio/adc/at91-sama5d2_adc.h
> > 
> > diff --git a/Documentation/devicetree/bindings/iio/adc/at91-sama5d2_adc.txt b/Documentation/devicetree/bindings/iio/adc/at91-sama5d2_adc.txt
> > index 6469a4c..4a3c1d4 100644
> > --- a/Documentation/devicetree/bindings/iio/adc/at91-sama5d2_adc.txt
> > +++ b/Documentation/devicetree/bindings/iio/adc/at91-sama5d2_adc.txt
> > @@ -21,6 +21,14 @@ Optional properties:
> >    - dmas: Phandle to dma channel for the ADC.
> >    - dma-names: Must be "rx" when dmas property is being used.
> >    See ../../dma/dma.txt for details.
> > +  - #io-channel-cells: in case consumer drivers are attached, this must be 1.
> > +  See <Documentation/devicetree/bindings/iio/iio-bindings.txt> for details.
> > +
> > +Properties for consumer drivers:
> > +  - Consumer drivers can be connected to this producer device, as specified
> > +  in <Documentation/devicetree/bindings/iio/iio-bindings.txt>
> > +  - Channels exposed are specified in:
> > +  <dt-bindings/iio/adc/at91-sama5d2_adc.txt>
> >  
> >  Example:
> >  
> > @@ -38,4 +46,5 @@ adc: adc@fc030000 {
> >  	atmel,trigger-edge-type = <IRQ_TYPE_EDGE_BOTH>;
> >  	dmas = <&dma0 (AT91_XDMAC_DT_MEM_IF(0) | AT91_XDMAC_DT_PER_IF(1) | AT91_XDMAC_DT_PERID(25))>;
> >  	dma-names = "rx";
> > +	#io-channel-cells = <1>;
> >  }
> > diff --git a/include/dt-bindings/iio/adc/at91-sama5d2_adc.h b/include/dt-bindings/iio/adc/at91-sama5d2_adc.h
> > new file mode 100644
> > index 0000000..70f99db
> > --- /dev/null
> > +++ b/include/dt-bindings/iio/adc/at91-sama5d2_adc.h
> > @@ -0,0 +1,16 @@
> > +/* SPDX-License-Identifier: GPL-2.0 */
> > +/*
> > + * This header provides constants for configuring the AT91 SAMA5D2 ADC
> > + */
> > +
> > +#ifndef _DT_BINDINGS_IIO_ADC_AT91_SAMA5D2_ADC_H
> > +#define _DT_BINDINGS_IIO_ADC_AT91_SAMA5D2_ADC_H
> > +
> > +/* X relative position channel index */
> > +#define AT91_SAMA5D2_ADC_X_CHANNEL		24
> > +/* Y relative position channel index */
> > +#define AT91_SAMA5D2_ADC_Y_CHANNEL		25
> > +/* pressure channel index */
> > +#define AT91_SAMA5D2_ADC_P_CHANNEL		26
> > +
> > +#endif
> > -- 
> > 2.7.4
> >   

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diff mbox

Patch

diff --git a/Documentation/devicetree/bindings/iio/adc/at91-sama5d2_adc.txt b/Documentation/devicetree/bindings/iio/adc/at91-sama5d2_adc.txt
index 6469a4c..4a3c1d4 100644
--- a/Documentation/devicetree/bindings/iio/adc/at91-sama5d2_adc.txt
+++ b/Documentation/devicetree/bindings/iio/adc/at91-sama5d2_adc.txt
@@ -21,6 +21,14 @@  Optional properties:
   - dmas: Phandle to dma channel for the ADC.
   - dma-names: Must be "rx" when dmas property is being used.
   See ../../dma/dma.txt for details.
+  - #io-channel-cells: in case consumer drivers are attached, this must be 1.
+  See <Documentation/devicetree/bindings/iio/iio-bindings.txt> for details.
+
+Properties for consumer drivers:
+  - Consumer drivers can be connected to this producer device, as specified
+  in <Documentation/devicetree/bindings/iio/iio-bindings.txt>
+  - Channels exposed are specified in:
+  <dt-bindings/iio/adc/at91-sama5d2_adc.txt>
 
 Example:
 
@@ -38,4 +46,5 @@  adc: adc@fc030000 {
 	atmel,trigger-edge-type = <IRQ_TYPE_EDGE_BOTH>;
 	dmas = <&dma0 (AT91_XDMAC_DT_MEM_IF(0) | AT91_XDMAC_DT_PER_IF(1) | AT91_XDMAC_DT_PERID(25))>;
 	dma-names = "rx";
+	#io-channel-cells = <1>;
 }
diff --git a/include/dt-bindings/iio/adc/at91-sama5d2_adc.h b/include/dt-bindings/iio/adc/at91-sama5d2_adc.h
new file mode 100644
index 0000000..70f99db
--- /dev/null
+++ b/include/dt-bindings/iio/adc/at91-sama5d2_adc.h
@@ -0,0 +1,16 @@ 
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * This header provides constants for configuring the AT91 SAMA5D2 ADC
+ */
+
+#ifndef _DT_BINDINGS_IIO_ADC_AT91_SAMA5D2_ADC_H
+#define _DT_BINDINGS_IIO_ADC_AT91_SAMA5D2_ADC_H
+
+/* X relative position channel index */
+#define AT91_SAMA5D2_ADC_X_CHANNEL		24
+/* Y relative position channel index */
+#define AT91_SAMA5D2_ADC_Y_CHANNEL		25
+/* pressure channel index */
+#define AT91_SAMA5D2_ADC_P_CHANNEL		26
+
+#endif