[PATCH v2 7/9] dt-bindings: iio: adc: renesas,r9a09g077-adc: document DMA support
From: Cosmin Tanislav <cosmin-gabriel.tanislav.xa@renesas.com>
Date: 2026-09-10 08:56:19
Also in:
linux-iio, linux-renesas-soc, lkml
Subsystem:
iio subsystem and drivers, open firmware and flattened device tree bindings, renesas rz/t2h / rz/n2h a/d driver, the rest · Maintainers:
Jonathan Cameron, Rob Herring, Krzysztof Kozlowski, Conor Dooley, Cosmin Tanislav, Linus Torvalds
The ADC can transfer conversion results to memory over DMA. Allow up to three DMA specifiers, as the ADC conversion DMA request can be routed to any of the SoC's three DMA controllers. Acked-by: Conor Dooley <conor.dooley@microchip.com> Signed-off-by: Cosmin Tanislav <cosmin-gabriel.tanislav.xa@renesas.com> --- V2: * pick up Conor's Acked-by .../bindings/iio/adc/renesas,r9a09g077-adc.yaml | 12 ++++++++++++ 1 file changed, 12 insertions(+)
diff --git a/Documentation/devicetree/bindings/iio/adc/renesas,r9a09g077-adc.yaml b/Documentation/devicetree/bindings/iio/adc/renesas,r9a09g077-adc.yaml
index dc0206b28231..4b5934ac296b 100644
--- a/Documentation/devicetree/bindings/iio/adc/renesas,r9a09g077-adc.yaml
+++ b/Documentation/devicetree/bindings/iio/adc/renesas,r9a09g077-adc.yaml@@ -57,6 +57,18 @@ properties: - const: adclk - const: pclk + dmas: + minItems: 1 + maxItems: 3 + description: + Must contain a list of references to DMA RX specifiers. + + dma-names: + minItems: 1 + maxItems: 3 + items: + const: rx + power-domains: maxItems: 1
--
2.55.0