linux-kernel - Re: [PATCH 3/3] arm64: dts: imx952-evk: add MT35XU01G spi nor flash

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Message-ID: <20260114164344.whdnpnyob6xuxhms@cozumel>
Date: Wed, 14 Jan 2026 10:43:44 -0600
From: Han Xu <han.xu@....com>
To: Haibo Chen <haibo.chen@....com>
Cc: Mark Brown <broonie@...nel.org>, 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>, linux-spi@...r.kernel.org,
	imx@...ts.linux.dev, devicetree@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 3/3] arm64: dts: imx952-evk: add MT35XU01G spi nor flash

On 26/01/14 02:49PM, Haibo Chen wrote:
> Add spi nor flash MT35XU01G support, it support OCT DTR mode
> at 200MHz.
> 
> Signed-off-by: Haibo Chen <haibo.chen@....com>

Reviewed-by: Han Xu <han.xu@....com>

> ---
>  arch/arm64/boot/dts/freescale/imx952-evk.dts | 41 ++++++++++++++++++++++++++++
>  1 file changed, 41 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/freescale/imx952-evk.dts b/arch/arm64/boot/dts/freescale/imx952-evk.dts
> index 2c753fcbae3c5d545f5d835bd70492667061d626..534c93e527d0f3fb14ff3f21114993aae1d88a88 100644
> --- a/arch/arm64/boot/dts/freescale/imx952-evk.dts
> +++ b/arch/arm64/boot/dts/freescale/imx952-evk.dts
> @@ -111,6 +111,25 @@ &usdhc2 {
>  	status = "okay";
>  };
>  
> +&xspi1 {
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&pinctrl_xspi1>;
> +	status = "okay";
> +
> +	mt35xu01gbba: flash@0 {
> +		compatible = "jedec,spi-nor";
> +		reg = <0>;
> +		pinctrl-names = "default";
> +		pinctrl-0 = <&pinctrl_xspi1_reset>;
> +		reset-gpios = <&gpio5 11 GPIO_ACTIVE_LOW>;
> +		#address-cells = <1>;
> +		#size-cells = <1>;
> +		spi-max-frequency = <200000000>;
> +		spi-tx-bus-width = <8>;
> +		spi-rx-bus-width = <8>;
> +	};
> +};
> +
>  &scmi_iomuxc {
>  	pinctrl_reg_usdhc2_vmmc: regusdhc2vmmcgrp {
>  		fsl,pins = <
> @@ -214,4 +233,26 @@ pinctrl_usdhc2_gpio: usdhc2gpiogrp {
>  			IMX952_PAD_SD2_CD_B__WAKEUPMIX_TOP_GPIO3_IO_0		0x31e
>  		>;
>  	};
> +
> +	pinctrl_xspi1: xspi1grp {
> +		fsl,pins = <
> +			IMX952_PAD_XSPI1_DATA0__WAKEUPMIX_TOP_XSPI1_A_DATA_0		0x39e
> +			IMX952_PAD_XSPI1_DATA1__WAKEUPMIX_TOP_XSPI1_A_DATA_1		0x39e
> +			IMX952_PAD_XSPI1_DATA2__WAKEUPMIX_TOP_XSPI1_A_DATA_2		0x39e
> +			IMX952_PAD_XSPI1_DATA3__WAKEUPMIX_TOP_XSPI1_A_DATA_3		0x39e
> +			IMX952_PAD_XSPI1_DATA4__WAKEUPMIX_TOP_XSPI1_A_DATA_4		0x39e
> +			IMX952_PAD_XSPI1_DATA5__WAKEUPMIX_TOP_XSPI1_A_DATA_5		0x39e
> +			IMX952_PAD_XSPI1_DATA6__WAKEUPMIX_TOP_XSPI1_A_DATA_6		0x39e
> +			IMX952_PAD_XSPI1_DATA7__WAKEUPMIX_TOP_XSPI1_A_DATA_7		0x39e
> +			IMX952_PAD_XSPI1_DQS__WAKEUPMIX_TOP_XSPI1_A_DQS			0x39e
> +			IMX952_PAD_XSPI1_SCLK__WAKEUPMIX_TOP_XSPI1_A_SCLK		0x39e
> +			IMX952_PAD_XSPI1_SS0_B__WAKEUPMIX_TOP_XSPI1_A_SS0_B		0x39e
> +		>;
> +	};
> +
> +	pinctrl_xspi1_reset: xspi1-reset-grp {
> +		fsl,pins = <
> +			IMX952_PAD_XSPI1_SS1_B__WAKEUPMIX_TOP_GPIO5_IO_11	0x39e
> +		>;
> +	};
>  };
> 
> -- 
> 2.34.1
>