linux-kernel - [PATCH] mtd: nand: pxa3xx: add optional dma for pxa architecture

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Date:	Sun, 30 Aug 2015 21:44:12 +0200
From:	Robert Jarzmik <robert.jarzmik@...e.fr>
To:	Rob Herring <robh+dt@...nel.org>, Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Kumar Gala <galak@...eaurora.org>
Cc:	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
	Robert Jarzmik <robert.jarzmik@...e.fr>
Subject: [PATCH] mtd: nand: pxa3xx: add optional dma for pxa architecture

The PXA architecture provides a DMA to pump data from the nand
controller to memory and the other way around. Add it to the binding
description.

Signed-off-by: Robert Jarzmik <robert.jarzmik@...e.fr>
---
 Documentation/devicetree/bindings/mtd/pxa3xx-nand.txt | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/Documentation/devicetree/bindings/mtd/pxa3xx-nand.txt b/Documentation/devicetree/bindings/mtd/pxa3xx-nand.txt
index 4f833e3c4f51..d9b655f11048 100644
--- a/Documentation/devicetree/bindings/mtd/pxa3xx-nand.txt
+++ b/Documentation/devicetree/bindings/mtd/pxa3xx-nand.txt
@@ -11,6 +11,7 @@ Required properties:
 
 Optional properties:
 
+ - dmas:			dma data channel, see dma.txt binding doc
  - marvell,nand-enable-arbiter:	Set to enable the bus arbiter
  - marvell,nand-keep-config:	Set to keep the NAND controller config as set
 				by the bootloader
@@ -32,6 +33,8 @@ Example:
 		compatible = "marvell,pxa3xx-nand";
 		reg = <0x43100000 90>;
 		interrupts = <45>;
+		dmas = <&pdma 97 0>;
+		dma-names = "data";
 		#address-cells = <1>;
 
 		marvell,nand-enable-arbiter;
-- 
2.1.4

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