[PATCH] ARM: dts: imx: Fix ECSPI nCS polarity on M53Menlo

[Fabio Estevam]

[Adding Linus]

On Sat, Sep 4, 2021 at 9:02 PM Marek Vasut <marex at denx.de> wrote:
>
> This board has the nCS lines connected to a CPLD and they are active
> high. Undo the change from 2bfdd113d0ee1 ("ARM: dts: imx: Fix the SPI
> chipselect polarity") for this board, as the previous DT description
> was correct.
>
> Fixes: 2bfdd113d0ee1 ("ARM: dts: imx: Fix the SPI chipselect polarity")
> Signed-off-by: Marek Vasut <marex at denx.de>
> Cc: Shawn Guo <shawnguo at kernel.org>
> Cc: Fabio Estevam <festevam at gmail.com>
> Cc: NXP Linux Team <linux-imx at nxp.com>
> ---
>  arch/arm/boot/dts/imx53-m53menlo.dts | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/arch/arm/boot/dts/imx53-m53menlo.dts b/arch/arm/boot/dts/imx53-m53menlo.dts
> index 4f88e96d81ddb..03c43c1912a7e 100644
> --- a/arch/arm/boot/dts/imx53-m53menlo.dts
> +++ b/arch/arm/boot/dts/imx53-m53menlo.dts
> @@ -104,7 +104,7 @@ &clks {
>  &ecspi2 {
>         pinctrl-names = "default";
>         pinctrl-0 = <&pinctrl_ecspi2>;
> -       cs-gpios = <&gpio2 26 GPIO_ACTIVE_LOW>, <&gpio2 27 GPIO_ACTIVE_LOW>;
> +       cs-gpios = <&gpio2 26 GPIO_ACTIVE_HIGH>, <&gpio2 27 GPIO_ACTIVE_HIGH>;
>         status = "okay";
>
>         spidev at 0 {

Then you need to pass the 'spi-cs-high' property under the spidev nodes.