linux-kernel - [Patch v4 01/10] dt-bindings: dma: pl08x: Add dma-cells description

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Date: Thu, 20 Jun 2024 19:56:32 +0200
From: Piotr Wojtaszczyk <piotr.wojtaszczyk@...esys.com>
To: Vinod Koul <vkoul@...nel.org>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	"J.M.B. Downing" <jonathan.downing@...tel.com>,
	Piotr Wojtaszczyk <piotr.wojtaszczyk@...esys.com>,
	Vladimir Zapolskiy <vz@...ia.com>,
	Liam Girdwood <lgirdwood@...il.com>,
	Mark Brown <broonie@...nel.org>,
	Russell King <linux@...linux.org.uk>,
	Michael Turquette <mturquette@...libre.com>,
	Stephen Boyd <sboyd@...nel.org>,
	Andi Shyti <andi.shyti@...nel.org>,
	Miquel Raynal <miquel.raynal@...tlin.com>,
	Richard Weinberger <richard@....at>,
	Vignesh Raghavendra <vigneshr@...com>,
	Jaroslav Kysela <perex@...ex.cz>,
	Takashi Iwai <tiwai@...e.com>,
	Arnd Bergmann <arnd@...db.de>,
	Yangtao Li <frank.li@...o.com>,
	Li Zetao <lizetao1@...wei.com>,
	Chancel Liu <chancel.liu@....com>,
	Michael Ellerman <mpe@...erman.id.au>,
	dmaengine@...r.kernel.org,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	alsa-devel@...a-project.org,
	linuxppc-dev@...ts.ozlabs.org,
	linux-sound@...r.kernel.org,
	linux-clk@...r.kernel.org,
	linux-i2c@...r.kernel.org,
	linux-mtd@...ts.infradead.org
Cc: Markus Elfring <Markus.Elfring@....de>
Subject: [Patch v4 01/10] dt-bindings: dma: pl08x: Add dma-cells description

Recover dma-cells description from the legacy DT binding.

Signed-off-by: Piotr Wojtaszczyk <piotr.wojtaszczyk@...esys.com>
---
Changes for v4:
- This patch is new in v4

 Documentation/devicetree/bindings/dma/arm-pl08x.yaml | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/Documentation/devicetree/bindings/dma/arm-pl08x.yaml b/Documentation/devicetree/bindings/dma/arm-pl08x.yaml
index ab25ae63d2c3..191215d36c85 100644
--- a/Documentation/devicetree/bindings/dma/arm-pl08x.yaml
+++ b/Documentation/devicetree/bindings/dma/arm-pl08x.yaml
@@ -52,6 +52,13 @@ properties:
   clock-names:
     maxItems: 1
 
+  "#dma-cells":
+    const: 2
+    description: |
+      First cell should contain the DMA request,
+      second cell should contain either 1 or 2 depending on
+      which AHB master that is used.
+
   lli-bus-interface-ahb1:
     type: boolean
     description: if AHB master 1 is eligible for fetching LLIs
-- 
2.25.1