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Subject: Re: [PATCH] ARM: dts: stm32: fix stm32mp157c-odyssey card detect pin
To:     Grzegorz Szymaszek <gszymaszek@short.pl>
CC:     Ahmad Fatoum <a.fatoum@pengutronix.de>,
        =?UTF-8?Q?Marcin_S=c5=82oniewski?= <marcin.sloniewski@gmail.com>,
        Maxime Coquelin <mcoquelin.stm32@gmail.com>,
        Rob Herring <robh+dt@kernel.org>, <devicetree@vger.kernel.org>,
        <linux-arm-kernel@lists.infradead.org>,
        <linux-kernel@vger.kernel.org>,
        <linux-stm32@st-md-mailman.stormreply.com>
References: <YHH9+Xrn5Quge4Jt@nx64de-df6d00>
From:   Alexandre TORGUE <alexandre.torgue@foss.st.com>
Message-ID: <74029811-6417-7c0b-1abd-6ea15de7f1ae@foss.st.com>
Date:   Tue, 1 Jun 2021 11:27:03 +0200
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On 4/10/21 9:35 PM, Grzegorz Szymaszek wrote:
> The microSD card detect pin is physically connected to the MPU pin PI3.
> The Device Tree configuration of the card detect pin was wrong—it was
> set to pin PB7 instead. If such configuration was used, the kernel would
> hang on “Waiting for root device” when booting from a microSD card.
> 
> Signed-off-by: Grzegorz Szymaszek <gszymaszek@short.pl>
> ---
>   arch/arm/boot/dts/stm32mp157c-odyssey.dts | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/arch/arm/boot/dts/stm32mp157c-odyssey.dts b/arch/arm/boot/dts/stm32mp157c-odyssey.dts
> index a7ffec8f1516..be1dd5e9e744 100644
> --- a/arch/arm/boot/dts/stm32mp157c-odyssey.dts
> +++ b/arch/arm/boot/dts/stm32mp157c-odyssey.dts
> @@ -64,7 +64,7 @@ &sdmmc1 {
>   	pinctrl-0 = <&sdmmc1_b4_pins_a>;
>   	pinctrl-1 = <&sdmmc1_b4_od_pins_a>;
>   	pinctrl-2 = <&sdmmc1_b4_sleep_pins_a>;
> -	cd-gpios = <&gpiob 7 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>;
> +	cd-gpios = <&gpioi 3 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>;
>   	disable-wp;
>   	st,neg-edge;
>   	bus-width = <4>;
> 

Hi Grzegorz

Applied on stm32-next.

Thanks.
Alex