From mboxrd@z Thu Jan 1 00:00:00 1970 From: Maxime Ripard Subject: Re: Re: [PATCH] ARM: dts: sun8i: r40/v40: rewrite BPi M2 Berry DTS to rebase on M2 Ultra Date: Mon, 20 Aug 2018 14:00:46 +0200 Message-ID: <20180820120046.7tonxtb52q43ocfq@flea> References: <20180724163655.61365-1-icenowy@aosc.io> <20180726124119.dwne2sncws2p3sdi@flea> Reply-To: maxime.ripard-LDxbnhwyfcJBDgjK7y7TUQ@public.gmane.org Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="gef5bru62hgkzpqm" Return-path: Sender: linux-sunxi-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org Content-Disposition: inline In-Reply-To: List-Post: , List-Help: , List-Archive: , List-Unsubscribe: , To: Icenowy Zheng Cc: Chen-Yu Tsai , devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-sunxi-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org List-Id: devicetree@vger.kernel.org --gef5bru62hgkzpqm Content-Type: text/plain; charset="UTF-8" Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Hi! On Wed, Aug 08, 2018 at 06:36:56PM +0800, Icenowy Zheng wrote: > =E5=9C=A8 2018-07-26=E5=9B=9B=E7=9A=84 14:41 +0200=EF=BC=8CMaxime Ripard= =E5=86=99=E9=81=93=EF=BC=9A > > On Wed, Jul 25, 2018 at 12:36:55AM +0800, Icenowy Zheng wrote: > > > Banana Pi designs the BPi M2 Berry board to be software compatible > > > with > > > BPi M2 Ultra, > >=20 > > Do you have a reference for this? > >=20 > > > so it's based on M2 Ultra with some function cuts, including: > > >=20 > > > - 2048MiB DRAM -> 1024MiB (this should be proceed by the > > > bootloader); > > > - dropped a LED; > > > - dropped eMMC; > > > - dropped USB2 and connect USB1 to a 4-port HUB. > >=20 > > Is it the exhaustive list? >=20 > I have asked Mikey from Sinovoip, and he has agreed this. >=20 > Here's a list provided by him, which covers some things I forgot: > - 2GiB -> 1GiB > - no eMMC > - no onboard microphone > - no IR > - no charging (and power jack to USB) > - USB change > - one less LED >=20 > Should I add this to the device tree's comment? Not really, because... > >=20 > > I'm a bit reluctant to merge that kind of patches usually, since that > > would also imply that each time someone will commit something to the > > M2-Ultra, it would automatically apply to the M2-Berry, without any > > easy way to tell and / or test. ... this still applies. Maxime --=20 Maxime Ripard, Bootlin (formerly Free Electrons) Embedded Linux and Kernel engineering https://bootlin.com --=20 You received this message because you are subscribed to the Google Groups "= linux-sunxi" group. To unsubscribe from this group and stop receiving emails from it, send an e= mail to linux-sunxi+unsubscribe-/JYPxA39Uh5TLH3MbocFF+G/Ez6ZCGd0@public.gmane.org For more options, visit https://groups.google.com/d/optout. --gef5bru62hgkzpqm Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEE0VqZU19dR2zEVaqr0rTAlCFNr3QFAlt6rW4ACgkQ0rTAlCFN r3ScGQ/9FrHdE9AWrObaIPhRZd5VO2sFPBr/SECyAthbaX4lZgbYQK3E7ogdWVk8 g5MUEW7DIJ5FmlpDqq6qNEp2NL/XTtFgSlKmJ8JpiL8cNvfPa5GzXGkqIJnMdISu yyN8/kxXr1McD5Vl/USxKdv/eqCimS8vfcQeFgmktIM8j9EDcO6r+BBXNFciun6R JCPeEYWwM67DxAypXaosbw00YoAu7FXOiaVTBXsOS9YC37ZKnnH2OhkBZxZkiQ0x GtsAo6mG1aCQloBwZ2tFBD9DEYNkFmS3Jr/+ZeHsCY0oKm/0S/mz35PhHDK+eFgD +RRiFaE6KCu7M1E7YJ53PgoXT+RJNy/DXK7pJejwCR77TyVC7UoVpK0s/k0gc0ce jJgOV0RxYn85FqRDJ+kBujL1N9yypMuCSHYme/KD3RvEQ2IdjGGPWFCEUPb5Pj7/ scZOe3BY8UB9Vt768gwDv1yAVZ/FwlXAk3TIwCOKnXx1puek6te//UWAqxyXntzR FlLrOzMBfzk/DWfxl5XUghO85omb0eco8UvV5Xkycx21371LDn0/UgYpi4crhmj2 iFRiR7W9Jofw+Cs5brw6FLAoxyek2NMRMhCXYuRTLP8b6NG0R2S749/5aiIU/PTY cx8tT4AD1APZZ6YUgfSiIY62czOJv5rcHWZfiPTqqBgNc1B3m0w= =oeS9 -----END PGP SIGNATURE----- --gef5bru62hgkzpqm--