linux-kernel - [PATCH v3] arm64: dts: correct the flexspi compatible string to match with yaml

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Message-Id: <20250919-flexspi-dts-v3-1-44d43801eae7@nxp.com>
Date: Fri, 19 Sep 2025 17:59:42 +0800
From: Haibo Chen <haibo.chen@....com>
To: Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, Shawn Guo <shawnguo@...nel.org>, 
 Sascha Hauer <s.hauer@...gutronix.de>, 
 Pengutronix Kernel Team <kernel@...gutronix.de>, 
 Fabio Estevam <festevam@...il.com>, Michael Walle <michael@...le.cc>, 
 Peng Fan <peng.fan@....com>, Frank Li <frank.li@....com>, 
 Marco Felsch <m.felsch@...gutronix.de>, Han Xu <han.xu@....com>
Cc: devicetree@...r.kernel.org, imx@...ts.linux.dev, 
 linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org, 
 Frank Li <Frank.Li@....com>, Haibo Chen <haibo.chen@....com>
Subject: [PATCH v3] arm64: dts: correct the flexspi compatible string to
 match with yaml

According to Documentation/devicetree/bindings/spi/spi-nxp-fspi.yaml,
imx93/imx95 should use it's own compatible string and fallback
compatible with imx8mm.

Reviewed-by: Frank Li <Frank.Li@....com>
Signed-off-by: Haibo Chen <haibo.chen@....com>
---
PATCH1 adjust the compatible string to align with yaml
---
Changes in v3:
- PATCH1: add Frank's review tag.
- Drop PATCH2~4, according to Peng Fan and Michael's comment, need to move this
  limitation to driver side.
- Link to v2: https://lore.kernel.org/r/20250917-flexspi-dts-v2-0-7e2a95e3cf4d@nxp.com

Changes in v2:
- PATCH1: small change of the commit log according to Fabio's comment
- PATCH2~4: fix type and split into 3 patches and add fix tag accordingly.
- Link to v1: https://lore.kernel.org/r/20250916-flexspi-dts-v1-0-61567f969165@nxp.com
---
 arch/arm64/boot/dts/freescale/imx91_93_common.dtsi | 2 +-
 arch/arm64/boot/dts/freescale/imx95.dtsi           | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/arm64/boot/dts/freescale/imx91_93_common.dtsi b/arch/arm64/boot/dts/freescale/imx91_93_common.dtsi
index 52da571f26c4e8a2703e4476b5541fa7aca52f10..7958cef353766a430df5e626ff2403dc05a974b1 100644
--- a/arch/arm64/boot/dts/freescale/imx91_93_common.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx91_93_common.dtsi
@@ -706,7 +706,7 @@ flexcan2: can@...b0000 {
 			};
 
 			flexspi1: spi@...e0000 {
-				compatible = "nxp,imx8mm-fspi";
+				compatible = "nxp,imx93-fspi", "nxp,imx8mm-fspi";
 				reg = <0x425e0000 0x10000>, <0x28000000 0x10000000>;
 				reg-names = "fspi_base", "fspi_mmap";
 				#address-cells = <1>;
diff --git a/arch/arm64/boot/dts/freescale/imx95.dtsi b/arch/arm64/boot/dts/freescale/imx95.dtsi
index 1292677cbe4eb8c5f3ec2874a17ad6efd0111192..a0ff7002be9fa0529ba5712df4c056c56f0e3242 100644
--- a/arch/arm64/boot/dts/freescale/imx95.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx95.dtsi
@@ -945,7 +945,7 @@ flexcan3: can@...00000 {
 			};
 
 			flexspi1: spi@...e0000 {
-				compatible = "nxp,imx8mm-fspi";
+				compatible = "nxp,imx95-fspi", "nxp,imx8mm-fspi";
 				reg = <0x425e0000 0x10000>, <0x28000000 0x8000000>;
 				reg-names = "fspi_base", "fspi_mmap";
 				#address-cells = <1>;

---
base-commit: c3067c2c38316c3ef013636c93daa285ee6aaa2e
change-id: 20250916-flexspi-dts-24af8b6bf468

Best regards,
-- 
Haibo Chen <haibo.chen@....com>