linux-kernel - Re: [linux-sunxi] [PATCH v2] arm64: dts: allwinner: h6: orangepi-3: Add eMMC node

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Message-ID: <20200212122511.5gr6m4ppmytq4ajj@core.my.home>
Date:   Wed, 12 Feb 2020 13:25:11 +0100
From:   Ondřej Jirman <megous@...ous.com>
To:     Jernej Skrabec <jernej.skrabec@...l.net>
Cc:     mripard@...nel.org, wens@...e.org, robh+dt@...nel.org,
        mark.rutland@....com, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-sunxi@...glegroups.com
Subject: Re: [linux-sunxi] [PATCH v2] arm64: dts: allwinner: h6: orangepi-3:
 Add eMMC node

Hi,

On Mon, Feb 10, 2020 at 06:40:07PM +0100, Jernej Skrabec wrote:
> OrangePi 3 can optionally have 8 GiB eMMC (soldered on board). Because
> those pins are dedicated to eMMC exclusively, node can be added for both
> variants (with and without eMMC). Kernel will then scan bus for presence
> of eMMC and act accordingly.

Tested-by: Ondrej Jirman <megous@...ous.com> (on a variant without eMMC)

It didn't magically add extra 8GiB of storage, but it didn't break anything
either. :)

regards,
	o.

> Signed-off-by: Jernej Skrabec <jernej.skrabec@...l.net>
> ---
> Changes since v1:
> - don't make separate DT just for -emmc variant - add node to existing
>   orangepi 3 DT
> 
>  arch/arm64/boot/dts/allwinner/sun50i-h6-orangepi-3.dts | 9 +++++++++
>  1 file changed, 9 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/allwinner/sun50i-h6-orangepi-3.dts b/arch/arm64/boot/dts/allwinner/sun50i-h6-orangepi-3.dts
> index c311eee52a35..1e0abd9d047f 100644
> --- a/arch/arm64/boot/dts/allwinner/sun50i-h6-orangepi-3.dts
> +++ b/arch/arm64/boot/dts/allwinner/sun50i-h6-orangepi-3.dts
> @@ -144,6 +144,15 @@ brcm: sdio-wifi@1 {
>  	};
>  };
>  
> +&mmc2 {
> +	vmmc-supply = <&reg_cldo1>;
> +	vqmmc-supply = <&reg_bldo2>;
> +	cap-mmc-hw-reset;
> +	non-removable;
> +	bus-width = <8>;
> +	status = "okay";
> +};
> +
>  &ohci0 {
>  	status = "okay";
>  };
> -- 
> 2.25.0
> 
> -- 
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