| Message ID | 1484832854-6314-5-git-send-email-fabrice.gasnier@st.com |
|---|---|
| State | Not Applicable, archived |
| Headers | show |
On Thu, Jan 19, 2017 at 02:34:11PM +0100, Fabrice Gasnier wrote: > STM32 ADC can use dma. Add dt documentation for optional dma support. > > Signed-off-by: Fabrice Gasnier <fabrice.gasnier@st.com> > --- > Documentation/devicetree/bindings/iio/adc/st,stm32-adc.txt | 7 +++++++ > 1 file changed, 7 insertions(+) Acked-by: Rob Herring <robh@kernel.org> -- 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
diff --git a/Documentation/devicetree/bindings/iio/adc/st,stm32-adc.txt b/Documentation/devicetree/bindings/iio/adc/st,stm32-adc.txt index 49ed82e..5dfc88e 100644 --- a/Documentation/devicetree/bindings/iio/adc/st,stm32-adc.txt +++ b/Documentation/devicetree/bindings/iio/adc/st,stm32-adc.txt @@ -53,6 +53,11 @@ Required properties: - #io-channel-cells = <1>: See the IIO bindings section "IIO consumers" in Documentation/devicetree/bindings/iio/iio-bindings.txt +Optional properties: +- dmas: Phandle to dma channel for this ADC instance. + See ../../dma/dma.txt for details. +- dma-names: Must be "rx" when dmas property is being used. + Example: adc: adc@40012000 { compatible = "st,stm32f4-adc-core"; @@ -77,6 +82,8 @@ Example: interrupt-parent = <&adc>; interrupts = <0>; st,adc-channels = <8>; + dmas = <&dma2 0 0 0x400 0x0>; + dma-names = "rx"; }; ... other adc child nodes follow...
STM32 ADC can use dma. Add dt documentation for optional dma support. Signed-off-by: Fabrice Gasnier <fabrice.gasnier@st.com> --- Documentation/devicetree/bindings/iio/adc/st,stm32-adc.txt | 7 +++++++ 1 file changed, 7 insertions(+)