linux-kernel - Re: [PATCH 12/13] arm64: dts: imx95-19x19-evk: Add spidev0

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Message-ID: <aJ9kW6SePooeCLIz@lizhi-Precision-Tower-5810>
Date: Fri, 15 Aug 2025 12:46:19 -0400
From: Frank Li <Frank.li@....com>
To: Peng Fan <peng.fan@....com>
Cc: 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>, devicetree@...r.kernel.org,
	imx@...ts.linux.dev, linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 12/13] arm64: dts: imx95-19x19-evk: Add spidev0

On Fri, Aug 15, 2025 at 05:03:58PM +0800, Peng Fan wrote:
> Add "lwn,bk4-spi" compatible spidev node under lpspi7.

Previous NAK by Krzysztof Kozlowski

https://lore.kernel.org/imx/7d4ec7c9-c95a-4e7e-9750-f6310ecb59fc@kernel.org/

our board have not SPI which attached to big lwn,bk4-spi boards.

Frank

>
> Signed-off-by: Peng Fan <peng.fan@....com>
> ---
>  arch/arm64/boot/dts/freescale/imx95-19x19-evk.dts | 6 ++++++
>  1 file changed, 6 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/freescale/imx95-19x19-evk.dts b/arch/arm64/boot/dts/freescale/imx95-19x19-evk.dts
> index 0ad5707314fb225b74d8940908b53dc2a444ed5d..193fc2cc9ac92bc3f0ff0e14ce0b1f84e91516c5 100644
> --- a/arch/arm64/boot/dts/freescale/imx95-19x19-evk.dts
> +++ b/arch/arm64/boot/dts/freescale/imx95-19x19-evk.dts
> @@ -507,6 +507,12 @@ &lpspi7 {
>  	pinctrl-0 = <&pinctrl_lpspi7>;
>  	cs-gpios = <&gpio2 4 GPIO_ACTIVE_LOW>;
>  	status = "okay";
> +
> +	spidev0: spi@0 {
> +		compatible = "lwn,bk4-spi";
> +		reg = <0>;
> +		spi-max-frequency = <1000000>;
> +	};
>  };
>
>  &micfil {
>
> --
> 2.37.1
>