linux-kernel - Re: [PATCH] ARM64: dts: sun50i: a64: Add spi flash node for sopine

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Date:   Fri, 18 May 2018 10:11:41 +0200
From:   Maxime Ripard <maxime.ripard@...tlin.com>
To:     Emmanuel Vadot <manu@...ebsd.org>
Cc:     wens@...e.org, robh+dt@...nel.org, mark.rutland@....com,
        catalin.marinas@....com, will.deacon@....com,
        linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] ARM64: dts: sun50i: a64: Add spi flash node for sopine

Hi,

On Thu, May 17, 2018 at 05:06:13PM +0200, Emmanuel Vadot wrote:
> The Sopine and Pine64-LTS have a winbond w25q128 spi flash on spi0.
> Add a node for it.
> 
> Signed-off-by: Emmanuel Vadot <manu@...ebsd.org>
> ---
>  arch/arm64/boot/dts/allwinner/sun50i-a64-sopine.dtsi | 12 ++++++++++++
>  1 file changed, 12 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64-sopine.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-a64-sopine.dtsi
> index 43418bd881d8..3285aebc06d9 100644
> --- a/arch/arm64/boot/dts/allwinner/sun50i-a64-sopine.dtsi
> +++ b/arch/arm64/boot/dts/allwinner/sun50i-a64-sopine.dtsi
> @@ -66,6 +66,18 @@
>  	};
>  };
>  
> +&spi0  {
> +	status = "okay";
> +
> +	flash@0 {
> +		#address-cells = <1>;
> +		#size-cells = <1>;
> +		compatible = "w25q128", "jedec,spi-nor";

This applies to this patch and your previous Orange Pi PC2 one, but
the part name must have a vendor. Or you can drop it entirely if the
SPI-NOR driver can auto-detect it properly.

Maxime

-- 
Maxime Ripard, Bootlin (formerly Free Electrons)
Embedded Linux and Kernel engineering
https://bootlin.com

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