linux-kernel - Re: [PATCH] ARM: dts: Add devicetree for the Raspberry Pi 3, for arm32 (v4)

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Date:   Thu, 20 Apr 2017 10:07:32 -0700
From:   Florian Fainelli <f.fainelli@...il.com>
To:     Eric Anholt <eric@...olt.net>,
        linux-arm-kernel@...ts.infradead.org, Lee Jones <lee@...nel.org>,
        Florian Fainelli <f.fainelli@...il.com>,
        Olof Johansson <olof@...om.net>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>, devicetree@...r.kernel.org
Cc:     linux-rpi-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Stephen Warren <swarren@...dotorg.org>,
        Stefan Wahren <stefan.wahren@...e.com>,
        bcm-kernel-feedback-list@...adcom.com,
        Gerd Hoffmann <kraxel@...hat.com>
Subject: Re: [PATCH] ARM: dts: Add devicetree for the Raspberry Pi 3, for
 arm32 (v4)

On 03/29/2017 05:26 PM, Eric Anholt wrote:
> Raspbian and Fedora have decided to support the Pi3 in 32-bit mode for
> now, so it's useful to be able to test that mode on an upstream
> kernel.  It's also been useful for me to use the same board for 32-bit
> and 64-bit development.
> 
> Signed-off-by: Eric Anholt <eric@...olt.net>
> ---
> 
> v1: Gerd's patch that put the ../../../arm64/... link in the Makefile
> v2: Michael's patch that #included from ../../../arm64/... in a new
>     bcm2837-rpi-3-b.dts.
> v3: Mine, using symlinks to make sure that we don't break the split DT
>     tree.
> v4: Rely on the new include/arm64 symlink.
> 
> Assuming positive review feedback, I assume it would be acceptable to
> merge the shared/dt-symlinks branch in a PR of my own for the 32-bit
> DT branch?

Either that, or I can take it directly through devicetree/next whichever
you prefer. We have not gotten feedback on whether this looks acceptable
or not though...

> 
>  arch/arm/boot/dts/Makefile | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
> index 011808490fed..27d258cb50f2 100644
> --- a/arch/arm/boot/dts/Makefile
> +++ b/arch/arm/boot/dts/Makefile
> @@ -72,6 +72,7 @@ dtb-$(CONFIG_ARCH_BCM2835) += \
>  	bcm2835-rpi-b-plus.dtb \
>  	bcm2835-rpi-a-plus.dtb \
>  	bcm2836-rpi-2-b.dtb \
> +	include/arm64/broadcom/bcm2837-rpi-3-b.dtb \
>  	bcm2835-rpi-zero.dtb
>  dtb-$(CONFIG_ARCH_BCM_5301X) += \
>  	bcm4708-asus-rt-ac56u.dtb \
> 


-- 
Florian