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author | Eugen Hristev <eugen.hristev@microchip.com> | 2018-05-22 09:52:37 +0200 |
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committer | Jonathan Cameron <Jonathan.Cameron@huawei.com> | 2018-06-10 14:28:12 +0200 |
commit | a591525f43e7d17dc5f94f314d30f6e4da753d7b (patch) | |
tree | 30939fc3e3f63748c820d280aeeb010d2f1fed0e /Documentation | |
parent | input: touchscreen: resistive-adc-touch: add generic resistive ADC touchscreen (diff) | |
download | linux-a591525f43e7d17dc5f94f314d30f6e4da753d7b.tar.xz linux-a591525f43e7d17dc5f94f314d30f6e4da753d7b.zip |
dt-bindings: iio: adc: at91-sama5d2_adc: add channel specific consumer info
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>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Diffstat (limited to 'Documentation')
-rw-r--r-- | Documentation/devicetree/bindings/iio/adc/at91-sama5d2_adc.txt | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/iio/adc/at91-sama5d2_adc.txt b/Documentation/devicetree/bindings/iio/adc/at91-sama5d2_adc.txt index 6469a4cd2a6d..4a3c1d496e1a 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>; } |