linux-kernel - Re: [PATCH 3/3] arm64: dts: imx8qm-mek: add flexspi0 support

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Message-ID: <12393206.O9o76ZdvQC@steina-w>
Date: Tue, 27 Feb 2024 08:42:15 +0100
From: Alexander Stein <alexander.stein@...tq-group.com>
To: Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.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>, "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" <devicetree@...r.kernel.org>, "open list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE" <imx@...ts.linux.dev>, "moderated list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE" <linux-arm-kernel@...ts.infradead.org>, open list <linux-kernel@...r.kernel.org>
Cc: Frank Li <Frank.Li@....com>
Subject: Re: [PATCH 3/3] arm64: dts: imx8qm-mek: add flexspi0 support

Hi,

Am Montag, 26. Februar 2024, 21:33:57 CET schrieb Frank Li:
> Add flexspi0 support for imx8qm-mek board.
> 
> Signed-off-by: Frank Li <Frank.Li@....com>
> ---
>  arch/arm64/boot/dts/freescale/imx8qm-mek.dts | 38 ++++++++++++++++++++
>  1 file changed, 38 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/freescale/imx8qm-mek.dts b/arch/arm64/boot/dts/freescale/imx8qm-mek.dts
> index 800dcb67642b1..7077e394e855b 100644
> --- a/arch/arm64/boot/dts/freescale/imx8qm-mek.dts
> +++ b/arch/arm64/boot/dts/freescale/imx8qm-mek.dts
> @@ -101,6 +101,23 @@ spidev0: spi@0 {
>  	};
>  };
>  
> +&flexspi0 {
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&pinctrl_flexspi0>;
> +	nxp,fspi-dll-slvdly = <4>;
> +	status = "okay";
> +
> +	flash0: mt35xu512aba@0 {
> +		reg = <0>;
> +		#address-cells = <1>;
> +		#size-cells = <1>;

Using '#address-cells' and '#size-cells' in mtd (and thus spi-nor )
is deprecated, please refer to Documentation/devicetree/bindings/mtd/mtd.yaml.

You need to add a partitions subnode instead:
> partitions {
> 	compatible = "fixed-partitions";
> 	#address-cells = <1>;
> 	#size-cells = <1>;
> };

Best regards,
Alexander

> +		compatible = "jedec,spi-nor";
> +		spi-max-frequency = <133000000>;
> +		spi-tx-bus-width = <8>;
> +		spi-rx-bus-width = <8>;
> +	};
> +};
> +
>  &fec1 {
>  	pinctrl-names = "default";
>  	pinctrl-0 = <&pinctrl_fec1>;
> @@ -199,6 +216,27 @@ IMX8QM_SPI2_CS0_LSIO_GPIO3_IO10		0x21
>  		>;
>  	};
>  
> +	pinctrl_flexspi0: flexspi0grp {
> +		fsl,pins = <
> +			IMX8QM_QSPI0A_DATA0_LSIO_QSPI0A_DATA0     0x06000021
> +			IMX8QM_QSPI0A_DATA1_LSIO_QSPI0A_DATA1     0x06000021
> +			IMX8QM_QSPI0A_DATA2_LSIO_QSPI0A_DATA2     0x06000021
> +			IMX8QM_QSPI0A_DATA3_LSIO_QSPI0A_DATA3     0x06000021
> +			IMX8QM_QSPI0A_DQS_LSIO_QSPI0A_DQS         0x06000021
> +			IMX8QM_QSPI0A_SS0_B_LSIO_QSPI0A_SS0_B     0x06000021
> +			IMX8QM_QSPI0A_SS1_B_LSIO_QSPI0A_SS1_B     0x06000021
> +			IMX8QM_QSPI0A_SCLK_LSIO_QSPI0A_SCLK       0x06000021
> +			IMX8QM_QSPI0B_SCLK_LSIO_QSPI0B_SCLK       0x06000021
> +			IMX8QM_QSPI0B_DATA0_LSIO_QSPI0B_DATA0     0x06000021
> +			IMX8QM_QSPI0B_DATA1_LSIO_QSPI0B_DATA1     0x06000021
> +			IMX8QM_QSPI0B_DATA2_LSIO_QSPI0B_DATA2     0x06000021
> +			IMX8QM_QSPI0B_DATA3_LSIO_QSPI0B_DATA3     0x06000021
> +			IMX8QM_QSPI0B_DQS_LSIO_QSPI0B_DQS         0x06000021
> +			IMX8QM_QSPI0B_SS0_B_LSIO_QSPI0B_SS0_B     0x06000021
> +			IMX8QM_QSPI0B_SS1_B_LSIO_QSPI0B_SS1_B     0x06000021
> +		>;
> +	};
> +
>  	pinctrl_lpuart0: lpuart0grp {
>  		fsl,pins = <
>  			IMX8QM_UART0_RX_DMA_UART0_RX				0x06000020
> 


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