* [PATCH v3 3/3] dt-bindings: mtd: mxc-nand: add missing compatible string and ref to nand-controller-legacy.yaml
[not found] <20260324221624.2424092-1-Frank.Li@nxp.com>
@ 2026-03-24 22:16 ` Frank Li
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From: Frank Li @ 2026-03-24 22:16 UTC (permalink / raw)
To: Miquel Raynal, Richard Weinberger, Vignesh Raghavendra,
Rob Herring, Krzysztof Kozlowski, Conor Dooley, Frank Li,
Sascha Hauer, Pengutronix Kernel Team, Fabio Estevam,
Uwe Kleine-König, open list:MEMORY TECHNOLOGY DEVICES (MTD),
open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS,
open list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE,
moderated list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE,
open list
Cc: imx
Add compatible string fsl,imx51-nand, fsl,imx53-nand and fsl,imx35-nand.
Add missinge properties dmas and dma-names.
Change reg's maxItems to 2 because i.MX53 have addition NAND flash internal
buffer space.
Change ref to nand-controller-legacy.yaml allow legacy DT layout.
Reviewed-by: Rob Herring (Arm) <robh@kernel.org>
Signed-off-by: Frank Li <Frank.Li@nxp.com>
---
changes in v3
- collect Rob's review by tags
Changes in v2:
- use items for regs.
---
.../devicetree/bindings/mtd/mxc-nand.yaml | 20 +++++++++++++++++--
1 file changed, 18 insertions(+), 2 deletions(-)
diff --git a/Documentation/devicetree/bindings/mtd/mxc-nand.yaml b/Documentation/devicetree/bindings/mtd/mxc-nand.yaml
index 433ae5727ad85..fbaff7d3eda85 100644
--- a/Documentation/devicetree/bindings/mtd/mxc-nand.yaml
+++ b/Documentation/devicetree/bindings/mtd/mxc-nand.yaml
@@ -10,7 +10,7 @@ maintainers:
- Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
allOf:
- - $ref: nand-controller.yaml
+ - $ref: nand-controller-legacy.yaml
properties:
compatible:
@@ -18,12 +18,21 @@ properties:
- enum:
- fsl,imx25-nand
- fsl,imx27-nand
+ - fsl,imx51-nand
+ - fsl,imx53-nand
+ - items:
+ - enum:
+ - fsl,imx35-nand
+ - const: fsl,imx25-nand
- items:
- enum:
- fsl,imx31-nand
- const: fsl,imx27-nand
reg:
- maxItems: 1
+ minItems: 1
+ items:
+ - description: IP register space
+ - description: Nand flash internal buffer space
interrupts:
maxItems: 1
@@ -31,6 +40,13 @@ properties:
clocks:
maxItems: 1
+ dmas:
+ maxItems: 1
+
+ dma-names:
+ items:
+ - const: rx-tx
+
required:
- compatible
- reg
--
2.43.0
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