From mboxrd@z Thu Jan 1 00:00:00 1970 From: Eugen Hristev Subject: [PATCH v2 1/5] dt-bindings: iio: at91-sama5d2_adc: add optional dma property Date: Wed, 11 Oct 2017 09:35:28 +0300 Message-ID: <1507703732-29175-2-git-send-email-eugen.hristev@microchip.com> References: <1507703732-29175-1-git-send-email-eugen.hristev@microchip.com> Mime-Version: 1.0 Content-Type: text/plain Return-path: In-Reply-To: <1507703732-29175-1-git-send-email-eugen.hristev-UWL1GkI3JZL3oGB3hsPCZA@public.gmane.org> Sender: linux-iio-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: nicolas.ferre-UWL1GkI3JZL3oGB3hsPCZA@public.gmane.org, alexandre.belloni-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org, linux-iio-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, lars-Qo5EllUWu/uELgA04lAiVw@public.gmane.org, linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, ludovic.desroches-UWL1GkI3JZL3oGB3hsPCZA@public.gmane.org, jic23-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org Cc: eugen.hristev-UWL1GkI3JZL3oGB3hsPCZA@public.gmane.org List-Id: devicetree@vger.kernel.org Added property for DMA configuration of the device. Signed-off-by: Eugen Hristev --- Documentation/devicetree/bindings/iio/adc/at91-sama5d2_adc.txt | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/Documentation/devicetree/bindings/iio/adc/at91-sama5d2_adc.txt b/Documentation/devicetree/bindings/iio/adc/at91-sama5d2_adc.txt index 552e7a8..5f94d479 100644 --- a/Documentation/devicetree/bindings/iio/adc/at91-sama5d2_adc.txt +++ b/Documentation/devicetree/bindings/iio/adc/at91-sama5d2_adc.txt @@ -17,6 +17,11 @@ Required properties: This property uses the IRQ edge types values: IRQ_TYPE_EDGE_RISING , IRQ_TYPE_EDGE_FALLING or IRQ_TYPE_EDGE_BOTH +Optional properties: + - dmas: Phandle to dma channel for the ADC. + See ../../dma/dma.txt for details. + - dma-names: Must be "rx" when dmas property is being used. + Example: adc: adc@fc030000 { @@ -31,4 +36,6 @@ adc: adc@fc030000 { vddana-supply = <&vdd_3v3_lp_reg>; vref-supply = <&vdd_3v3_lp_reg>; atmel,trigger-edge-type = ; + dmas = <&dma0 (AT91_XDMAC_DT_MEM_IF(0) | AT91_XDMAC_DT_PER_IF(1) | AT91_XDMAC_DT_PERID(25))>; + dma-names = "rx"; } -- 2.7.4