linux-kernel - [PATCH 2/3] RM: dts: imx: set #size-cells to 0 to align with nand-controller.yaml

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Message-Id: <20260211-imx25_nand_dtb_warnings-v1-2-2f06aaa1e3b9@nxp.com>
Date: Wed, 11 Feb 2026 16:19:40 -0500
From: Frank Li <Frank.Li@....com>
To: Miquel Raynal <miquel.raynal@...tlin.com>, 
 Richard Weinberger <richard@....at>, Vignesh Raghavendra <vigneshr@...com>, 
 Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, Sascha Hauer <s.hauer@...gutronix.de>, 
 Pengutronix Kernel Team <kernel@...gutronix.de>, 
 Fabio Estevam <festevam@...il.com>, 
 Uwe Kleine-König <u.kleine-koenig@...gutronix.de>
Cc: linux-mtd@...ts.infradead.org, devicetree@...r.kernel.org, 
 imx@...ts.linux.dev, linux-arm-kernel@...ts.infradead.org, 
 linux-kernel@...r.kernel.org, Frank Li <Frank.Li@....com>
Subject: [PATCH 2/3] RM: dts: imx: set #size-cells to 0 to align with
 nand-controller.yaml

Set #size-cells to 0 to align with nand-controller.yaml. Remove the
redundant empty clock-names property from the NFC node.

Fix below CHECK_DTBS warning:
arch/arm/boot/dts/nxp/imx/imx25-karo-tx25.dtb: nand-controller@...00000 (fsl,imx25-nand): #size-cells: 0 was expected
        from schema $id: http://devicetree.org/schemas/mtd/nand-controller.yam

Signed-off-by: Frank Li <Frank.Li@....com>
---
 arch/arm/boot/dts/nxp/imx/imx25.dtsi | 3 +--
 arch/arm/boot/dts/nxp/imx/imx27.dtsi | 2 +-
 2 files changed, 2 insertions(+), 3 deletions(-)

diff --git a/arch/arm/boot/dts/nxp/imx/imx25.dtsi b/arch/arm/boot/dts/nxp/imx/imx25.dtsi
index 54a116533c45883d9a2f7823a2e48b2f82a17b1e..d0f01f9b76afcfa0f38398ec29697b6d590a613a 100644
--- a/arch/arm/boot/dts/nxp/imx/imx25.dtsi
+++ b/arch/arm/boot/dts/nxp/imx/imx25.dtsi
@@ -613,12 +613,11 @@ bus@...00000 {
 
 			nfc: nand-controller@...00000 {
 				#address-cells = <1>;
-				#size-cells = <1>;
+				#size-cells = <0>;
 
 				compatible = "fsl,imx25-nand";
 				reg = <0xbb000000 0x2000>;
 				clocks = <&clks 50>;
-				clock-names = "";
 				interrupts = <33>;
 				status = "disabled";
 			};
diff --git a/arch/arm/boot/dts/nxp/imx/imx27.dtsi b/arch/arm/boot/dts/nxp/imx/imx27.dtsi
index 3a8ca1c3f179361870d95136b1141c147132c840..99a8f2b1f7d319fd8d25ff696d53622f8badf0c7 100644
--- a/arch/arm/boot/dts/nxp/imx/imx27.dtsi
+++ b/arch/arm/boot/dts/nxp/imx/imx27.dtsi
@@ -560,7 +560,7 @@ fec: ethernet@...2b000 {
 
 		nfc: nand-controller@...00000 {
 			#address-cells = <1>;
-			#size-cells = <1>;
+			#size-cells = <0>;
 			compatible = "fsl,imx27-nand";
 			reg = <0xd8000000 0x1000>;
 			interrupts = <29>;

-- 
2.43.0