From: Miquel Raynal <miquel.raynal@bootlin.com>
To: Richard Weinberger <richard@nod.at>,
David Woodhouse <dwmw2@infradead.org>,
Brian Norris <computersforpeace@gmail.com>,
Marek Vasut <marek.vasut@gmail.com>,
Tudor Ambarus <Tudor.Ambarus@microchip.com>,
Vignesh Raghavendra <vigneshr@ti.com>,
Maxime Ripard <maxime.ripard@bootlin.com>,
Chen-Yu Tsai <wens@csie.org>
Cc: Mark Rutland <mark.rutland@arm.com>,
devicetree@vger.kernel.org, Rob Herring <robh+dt@kernel.org>,
linux-mtd@lists.infradead.org,
Miquel Raynal <miquel.raynal@bootlin.com>,
linux-arm-kernel@lists.infradead.org
Subject: [PATCH 1/3] dt-bindings: mtd: sunxi: Add new compatible
Date: Thu, 4 Apr 2019 18:21:09 +0200 [thread overview]
Message-ID: <20190404162111.22618-2-miquel.raynal@bootlin.com> (raw)
In-Reply-To: <20190404162111.22618-1-miquel.raynal@bootlin.com>
The A33 NAND controller is slightly different than the A10+ ones,
eg. DMA handling is a bit different and a few register offsets
changed.
Introduce a new compatible to represent this version of the IP.
Also append '-controller' to the new compatible (which is required for
new compatibles) as this is describing a NAND controller and not a
NAND chip.
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
---
Documentation/devicetree/bindings/mtd/sunxi-nand.txt | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/Documentation/devicetree/bindings/mtd/sunxi-nand.txt b/Documentation/devicetree/bindings/mtd/sunxi-nand.txt
index dcd5a5d80dc0..6128d41d8c59 100644
--- a/Documentation/devicetree/bindings/mtd/sunxi-nand.txt
+++ b/Documentation/devicetree/bindings/mtd/sunxi-nand.txt
@@ -1,7 +1,12 @@
Allwinner NAND Flash Controller (NFC)
Required properties:
-- compatible : "allwinner,sun4i-a10-nand".
+- compatible : Must be one of:
+ - "allwinner,sun4i-a10-nand"
+ - "allwinner,sun8i-a33-nand-controller"
+ The former may be used by all IPs, however sun8i family
+ will need the second one in order to make use of the
+ internal DMA capabilities.
- reg : shall contain registers location and length for data and reg.
- interrupts : shall define the nand controller interrupt.
- #address-cells: shall be set to 1. Encode the nand CS.
--
2.19.1
next prev parent reply other threads:[~2019-04-04 16:21 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-04-04 16:21 [PATCH 0/3] Sun8i NAND DMA support Miquel Raynal
2019-04-04 16:21 ` Miquel Raynal [this message]
2019-04-05 9:13 ` [PATCH 1/3] dt-bindings: mtd: sunxi: Add new compatible Maxime Ripard
2019-04-05 9:28 ` Miquel Raynal
2019-04-05 9:56 ` Maxime Ripard
2019-04-04 16:21 ` [PATCH 2/3] mtd: rawnand: sunxi: Add DMA support for sun8i Miquel Raynal
2019-04-05 9:16 ` Maxime Ripard
2019-04-05 9:37 ` Miquel Raynal
2019-04-05 10:55 ` Maxime Ripard
2019-04-05 12:25 ` Miquel Raynal
2019-04-05 12:47 ` Maxime Ripard
2019-04-14 9:05 ` Boris Brezillon
2019-04-15 6:58 ` Miquel Raynal
2019-04-15 7:14 ` Boris Brezillon
2019-04-16 16:53 ` Miquel Raynal
2019-04-04 16:21 ` [PATCH 3/3] ARM: dts: sunxi: Improve sun8i NAND transfers by using DMA Miquel Raynal
2019-04-05 9:18 ` Maxime Ripard
2019-04-05 9:38 ` Miquel Raynal
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