From mboxrd@z Thu Jan 1 00:00:00 1970 From: Maxime Ripard Subject: Re: [PATCH] ARM: dts: sun8i: sun8i-a83t-bananapi-m3: enhance vcc-pd to 3.3v Date: Wed, 11 Jul 2018 10:24:34 +0200 Message-ID: <20180711082434.euhakdczf56p3fia@flea> References: <1531165914-29760-1-git-send-email-clabbe@baylibre.com> Reply-To: maxime.ripard-LDxbnhwyfcJBDgjK7y7TUQ@public.gmane.org Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="5c33dao3eatkslbo" Return-path: Sender: linux-sunxi-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org Content-Disposition: inline In-Reply-To: <1531165914-29760-1-git-send-email-clabbe-rdvid1DuHRBWk0Htik3J/w@public.gmane.org> List-Post: , List-Help: , List-Archive: , List-Unsubscribe: , To: Corentin Labbe Cc: linux-I+IVW8TIWO2tmTQ+vhA3Yw@public.gmane.org, mark.rutland-5wv7dgnIgG8@public.gmane.org, robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org, wens-jdAy2FN1RRM@public.gmane.org, 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 --5c33dao3eatkslbo Content-Type: text/plain; charset="UTF-8" Content-Disposition: inline On Mon, Jul 09, 2018 at 07:51:54PM +0000, Corentin Labbe wrote: > Since commit d7c5f6863550 ("ARM: dts: sun8i: a83t: bananapi-m3: Add AXP813 regulator nodes") > my BPIM3 no longer works at gigabit speed. > > With the default setting, dldo3 is regulated at 2.9v which seems > sufficient for the PHy but d7c5f6863550 drop it to 2.5 which is insufficient. > Note that this behaviour is random for all BPIM3 (some works with 2.5, some not) > > Finnaly, someone from bananapi confirmed that this regulator must be set to 3.3 > > Fixes: d7c5f6863550 ("ARM: dts: sun8i: a83t: bananapi-m3: Add AXP813 regulator nodes") > Signed-off-by: Corentin Labbe Applied, thanks! Maxime -- Maxime Ripard, Bootlin (formerly Free Electrons) Embedded Linux and Kernel engineering https://bootlin.com --5c33dao3eatkslbo--