From mboxrd@z Thu Jan 1 00:00:00 1970 From: Maxime Ripard Subject: Re: [PATCH] ARM: dts: sun8i: a83t: Add CPU regulator supplies for A83T boards Date: Wed, 27 Jun 2018 19:04:03 +0200 Message-ID: <20180627170403.y7ptuiyrhklh7foj@flea> References: <20180627022709.27434-1-wens@csie.org> Reply-To: maxime.ripard-LDxbnhwyfcJBDgjK7y7TUQ@public.gmane.org Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="fa3qwpgleac57r7o" Return-path: Sender: linux-sunxi-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org Content-Disposition: inline In-Reply-To: <20180627022709.27434-1-wens-jdAy2FN1RRM@public.gmane.org> List-Post: , List-Help: , List-Archive: , List-Unsubscribe: , To: Chen-Yu Tsai Cc: devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, linux-sunxi-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org List-Id: devicetree@vger.kernel.org --fa3qwpgleac57r7o Content-Type: text/plain; charset="UTF-8" Content-Disposition: inline On Wed, Jun 27, 2018 at 10:27:09AM +0800, Chen-Yu Tsai wrote: > The OPPs for the A83T CPU cores were added in v4.17 in commit 2db639d8c166 > ("ARM: dts: sun8i: a83t: add stable OPP tables and CPUfreq"), but board > level regulator supplies for the CPU clusters were only added for the > TBS-A711 tablet. This means the other A83T boards do not benefit from > voltage scaling, or worse, if the implementation does not scale the > frequency when the voltage is fixed, no benefit at all. > > Add board level CPU cluster power supplies to all the A83T development > boards, so they can have proper dynamic CPU voltage and frequency scaling. > > Signed-off-by: Chen-Yu Tsai Applied, thanks! Maxime -- Maxime Ripard, Bootlin (formerly Free Electrons) Embedded Linux and Kernel engineering https://bootlin.com --fa3qwpgleac57r7o--