linux-kernel - Re: [PATCH v2 1/1] ARM: dts: bcm2711: Enable ddr modes on emmc2 controller

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Message-ID: <2d5ffd73-c1ba-5287-9068-9ff47e89f7c2@i2se.com>
Date:   Wed, 2 Sep 2020 18:18:07 +0200
From:   Stefan Wahren <stefan.wahren@...e.com>
To:     Tobias Schramm <t.schramm@...jaro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Nicolas Saenz Julienne <nsaenzjulienne@...e.de>
Cc:     devicetree@...r.kernel.org, bcm-kernel-feedback-list@...adcom.com,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 1/1] ARM: dts: bcm2711: Enable ddr modes on emmc2
 controller

Hi Tobias,

Am 31.08.20 um 23:59 schrieb Tobias Schramm:
> This commit enables ddr modes for eMMC storage on emmc2.
> The bcm2711 supports eMMC storage using ddr modes. The board
> layout of the Raspberry Pi 4 supports them, too.

i want to inform you that Ulf Hansson already applied my driver change
to mmc-next [1].

So this patch won't be necessary anymore.

Best regards

[1] - https://marc.info/?l=linux-mmc&m=159903747923131&w=2

>
> Signed-off-by: Tobias Schramm <t.schramm@...jaro.org>
> ---
>  arch/arm/boot/dts/bcm2711-rpi-4-b.dts | 1 +
>  1 file changed, 1 insertion(+)
>
> diff --git a/arch/arm/boot/dts/bcm2711-rpi-4-b.dts b/arch/arm/boot/dts/bcm2711-rpi-4-b.dts
> index 222d7825e1ab..1851efebe9c6 100644
> --- a/arch/arm/boot/dts/bcm2711-rpi-4-b.dts
> +++ b/arch/arm/boot/dts/bcm2711-rpi-4-b.dts
> @@ -191,6 +191,7 @@ &emmc2 {
>  	vqmmc-supply = <&sd_io_1v8_reg>;
>  	vmmc-supply = <&sd_vcc_reg>;
>  	broken-cd;
> +	mmc-ddr-3_3v;
>  	status = "okay";
>  };
>