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Date: Tue, 23 Jan 2024 09:46:23 +0100
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Subject: Re: [PATCH 1/8] ARM: dts: microchip: sam9x60_curiosity: Add
 power-supply properties for sdmmc nodes
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To: Mihai Sain <mihai.sain@microchip.com>, claudiu.beznea@tuxon.dev,
 robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org, conor+dt@kernel.org,
 nicolas.ferre@microchip.com, alexandre.belloni@bootlin.com,
 devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
 linux-kernel@vger.kernel.org
References: <20240123083158.7339-1-mihai.sain@microchip.com>
 <20240123083158.7339-2-mihai.sain@microchip.com>
From: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
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In-Reply-To: <20240123083158.7339-2-mihai.sain@microchip.com>
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On 23/01/2024 09:31, Mihai Sain wrote:
> The sdmmc0 and sdmmc1 controllers are powered from 3.3V regulator.
> Add vmmc-supply and vqmmc-supply properties to sdmmc nodes.
> 
> Signed-off-by: Mihai Sain <mihai.sain@microchip.com>
> ---
>  arch/arm/boot/dts/microchip/at91-sam9x60_curiosity.dts | 4 ++++
>  1 file changed, 4 insertions(+)
> 
> diff --git a/arch/arm/boot/dts/microchip/at91-sam9x60_curiosity.dts b/arch/arm/boot/dts/microchip/at91-sam9x60_curiosity.dts
> index c6fbdd29019f..457c54dde0b7 100644
> --- a/arch/arm/boot/dts/microchip/at91-sam9x60_curiosity.dts
> +++ b/arch/arm/boot/dts/microchip/at91-sam9x60_curiosity.dts
> @@ -452,6 +452,8 @@ &sdmmc0 {
>  	pinctrl-0 = <&pinctrl_sdmmc0_default &pinctrl_sdmmc0_cd>;
>  	cd-gpios = <&pioA 25 GPIO_ACTIVE_LOW>;
>  	disable-wp;
> +	vmmc-supply = <&vdd1_3v3>;
> +	vqmmc-supply = <&vdd1_3v3>;

For this and all other patches:

It is surprising that you use the same supply for both. Looks like
inaccurate description. It is possible, but I think unlikely because
usually VQMMC has lower voltage than 3.3V.

Best regards,
Krzysztof