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

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Message-ID:
 <DU0PR04MB9496B69270A50704DE8374B990E9A@DU0PR04MB9496.eurprd04.prod.outlook.com>
Date: Thu, 16 Oct 2025 06:00:25 +0000
From: Bough 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" <devicetree@...r.kernel.org>,
	"imx@...ts.linux.dev" <imx@...ts.linux.dev>,
	"linux-arm-kernel@...ts.infradead.org"
	<linux-arm-kernel@...ts.infradead.org>, "linux-kernel@...r.kernel.org"
	<linux-kernel@...r.kernel.org>, Frank Li <frank.li@....com>
Subject: RE: [PATCH v3] arm64: dts: correct the flexspi compatible string to
 match with yaml

Gentle ping...

> -----Original Message-----
> From: Bough Chen <haibo.chen@....com>
> Sent: 2025年9月19日 18:00
> 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>; Bough 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..7958cef353766a430df5e626ff
> 2403dc05a974b1 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..a0ff7002be9fa0529ba5712df4
> c056c56f0e3242 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>