linux-kernel - RE: [PATCH 5/7] arm64: dts: imx95-19x19-evk: add flexspi and child node

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Date: Fri, 28 Jun 2024 00:58:38 +0000
From: Peng Fan <peng.fan@....com>
To: Frank Li <frank.li@....com>, 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>,
	"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: "imx@...ts.linux.dev" <imx@...ts.linux.dev>
Subject: RE: [PATCH 5/7] arm64: dts: imx95-19x19-evk: add flexspi and child
 node

> Subject: [PATCH 5/7] arm64: dts: imx95-19x19-evk: add flexspi and
> child node
> 
> Add flexspi and child flash node.
> 
> Signed-off-by: Frank Li <Frank.Li@....com>
> ---
>  .../boot/dts/freescale/imx95-19x19-evk.dts    | 33
> +++++++++++++++++++
>  1 file changed, 33 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/freescale/imx95-19x19-evk.dts
> b/arch/arm64/boot/dts/freescale/imx95-19x19-evk.dts
> index 660e623f4f964..ed8921d6217b8 100644
> --- a/arch/arm64/boot/dts/freescale/imx95-19x19-evk.dts
> +++ b/arch/arm64/boot/dts/freescale/imx95-19x19-evk.dts
> @@ -163,6 +163,22 @@ sound-wm8962 {
>  	};
>  };
> 
> +&flexspi1 {
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&pinctrl_flexspi1>;
> +	status = "okay";
> +
> +	flash@0 {
> +		compatible = "jedec,spi-nor";
> +		reg = <0>;
> +		#address-cells = <1>;
> +		#size-cells = <1>;
> +		spi-max-frequency = <200000000>;
> +		spi-tx-bus-width = <8>;
> +		spi-rx-bus-width = <8>;
> +	};
> +};
> +
>  &lpi2c4 {
>  	clock-frequency = <400000>;
>  	pinctrl-names = "default";
> @@ -336,6 +352,23 @@ &wdog3 {
>  };
> 
>  &scmi_iomuxc {
> +	pinctrl_flexspi1: flexspi1grp {
> +		fsl,pins = <
> +
> 	IMX95_PAD_XSPI1_SS0_B__FLEXSPI1_A_SS0_B
> 	0x3fe
> +			IMX95_PAD_XSPI1_SS1_B__GPIO5_IO_BIT11
> 			0x3fe

This gpio should be in a standalone node and put under
flash@0 as 'reset-gpios'.

Regards,
Peng.

> +			IMX95_PAD_XSPI1_SCLK__FLEXSPI1_A_SCLK
> 			0x3fe
> +			IMX95_PAD_XSPI1_DQS__FLEXSPI1_A_DQS
> 			0x3fe
> +
> 	IMX95_PAD_XSPI1_DATA0__FLEXSPI1_A_DATA_BIT0
> 	0x3fe
> +
> 	IMX95_PAD_XSPI1_DATA1__FLEXSPI1_A_DATA_BIT1
> 	0x3fe
> +
> 	IMX95_PAD_XSPI1_DATA2__FLEXSPI1_A_DATA_BIT2
> 	0x3fe
> +
> 	IMX95_PAD_XSPI1_DATA3__FLEXSPI1_A_DATA_BIT3
> 	0x3fe
> +
> 	IMX95_PAD_XSPI1_DATA4__FLEXSPI1_A_DATA_BIT4
> 	0x3fe
> +
> 	IMX95_PAD_XSPI1_DATA5__FLEXSPI1_A_DATA_BIT5
> 	0x3fe
> +
> 	IMX95_PAD_XSPI1_DATA6__FLEXSPI1_A_DATA_BIT6
> 	0x3fe
> +
> 	IMX95_PAD_XSPI1_DATA7__FLEXSPI1_A_DATA_BIT7
> 	0x3fe
> +		>;
> +	};
> +
>  	pinctrl_hp: hpgrp {
>  		fsl,pins = <
>  			IMX95_PAD_GPIO_IO11__GPIO2_IO_BIT11
> 		0x31e
> --
> 2.34.1
>