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charset=us-ascii Content-Disposition: inline In-Reply-To: <20260324120113.3681830-2-jun.guo@cixtech.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260407_182020_953222_8FFF86FF X-CRM114-Status: GOOD ( 13.48 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Tue, Mar 24, 2026 at 08:01:11PM +0800, Jun Guo wrote: > Document the interrupt topologies supported by DMA-350 integration: > - one combined interrupt for all channels, or > - one interrupt per channel (up to 8 channels). > > Assisted-by: Cursor:GPT-5.3-Codex > Signed-off-by: Jun Guo > --- > .../devicetree/bindings/dma/arm,dma-350.yaml | 25 ++++++++++++------- > 1 file changed, 16 insertions(+), 9 deletions(-) > > diff --git a/Documentation/devicetree/bindings/dma/arm,dma-350.yaml b/Documentation/devicetree/bindings/dma/arm,dma-350.yaml > index 429f682f15d8..bec9dc32541b 100644 > --- a/Documentation/devicetree/bindings/dma/arm,dma-350.yaml > +++ b/Documentation/devicetree/bindings/dma/arm,dma-350.yaml > @@ -22,15 +22,22 @@ properties: > > interrupts: > minItems: 1 > - items: > - - description: Channel 0 interrupt > - - description: Channel 1 interrupt > - - description: Channel 2 interrupt > - - description: Channel 3 interrupt > - - description: Channel 4 interrupt > - - description: Channel 5 interrupt > - - description: Channel 6 interrupt > - - description: Channel 7 interrupt > + maxItems: 8 Don't need maxItems > + description: > + Either one interrupt per channel (8 interrupts), or one > + combined interrupt for all channels. > + oneOf: > + - items: > + - description: Channel 0 interrupt > + - description: Channel 1 interrupt > + - description: Channel 2 interrupt > + - description: Channel 3 interrupt > + - description: Channel 4 interrupt > + - description: Channel 5 interrupt > + - description: Channel 6 interrupt > + - description: Channel 7 interrupt > + - items: > + - description: Combined interrupt shared by all channels > > "#dma-cells": > const: 1 > -- > 2.34.1 >