linux-kernel - Re: [PATCH] ARM64: dts: imx8mp-evk: add ecspi2 support

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Message-ID: <CAOMZO5CL-qQSHuSoCtb+f_mqNG8vu4tTVDi-ThoHq+m9SeagxA@mail.gmail.com>
Date: Thu, 6 Mar 2025 19:55:36 -0300
From: Fabio Estevam <festevam@...il.com>
To: Frank Li <Frank.Li@....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>, 
	"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>
Subject: Re: [PATCH] ARM64: dts: imx8mp-evk: add ecspi2 support

On Thu, Mar 6, 2025 at 7:24 PM Frank Li <Frank.Li@....com> wrote:

> +&ecspi2 {
> +       #address-cells = <1>;
> +       #size-cells = <0>;
> +       num-cs = <1>;
> +       pinctrl-names = "default";
> +       pinctrl-0 = <&pinctrl_ecspi2 &pinctrl_ecspi2_cs>;
> +       cs-gpios = <&gpio5 13 GPIO_ACTIVE_LOW>;
> +       status = "okay";
> +
> +       spidev1: spi@0 {
> +               compatible = "rohm,dh2228fv";

That's not a correct description of the hardware.

Conor's effort was to clean up the abuses of using "rohm,dh2228fv" to
get spidev support.

Please check:

fc28d1c1fe3b3 ("spi: spidev: add correct compatible for Rohm BH2228FV")