From mboxrd@z Thu Jan 1 00:00:00 1970 From: Maxime Ripard Subject: Re: [PATCH 0/3] add CPUs OPPs to sun8i a83t Date: Wed, 28 Feb 2018 15:40:13 +0100 Message-ID: <20180228144013.ayd65zbezdya7cbo@flea> References: Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="6mf4y4m4gj2fmxli" Return-path: Content-Disposition: inline In-Reply-To: Sender: linux-kernel-owner@vger.kernel.org To: Quentin Schulz Cc: robh+dt@kernel.org, mark.rutland@arm.com, linux@armlinux.org.uk, wens@csie.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-sunxi@googlegroups.com, thomas.petazzoni@bootlin.com, mylene.josserand@bootlin.com List-Id: devicetree@vger.kernel.org --6mf4y4m4gj2fmxli Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Wed, Feb 28, 2018 at 02:11:19PM +0100, Quentin Schulz wrote: > Hi all, >=20 > The Allwinner A83T is an octacore A7 divided in two clusters of 4 A7, > each cluster having its own regulator and clock. >=20 > Let's add the OPPs for each cluster so that we can use cpufreq on this So= C. >=20 > The operating points were found in Allwinner BSP and fex files and have > been tested on a TBS A711 with cpuburn and cpufreq-ljt-stress-test. >=20 > Note that there are a few OPPs that are missing: >=20 > 1608000000Hz with 920000mV > 1800000000Hz with 1000000mV > 2016000000Hz with 1080000mV >=20 > These OPPs are pretty unstable but it might be due to the SoC quickly > overheating (till the board completely shuts down). > It seems[1] impossible to reach those frequencies with none or passive > cooling, so better leave them out by default. >=20 > It's still possible to add those OPPs on a per-board basis though. >=20 > [1] http://linux-sunxi.org/User:Tkaiser#First_steps_with_Banana_Pi_M3 Applied all three. The patch 3/3 wasn't ordered properly, so I fixed it, and I removed the newline pointed out by Thomas. Thanks! Maxime --=20 Maxime Ripard, Bootlin (formerly Free Electrons) Embedded Linux and Kernel engineering https://bootlin.com --6mf4y4m4gj2fmxli Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEE0VqZU19dR2zEVaqr0rTAlCFNr3QFAlqWv0wACgkQ0rTAlCFN r3RJXBAAkKBrPoLCjiNPWSC4VcL/RFmryHF6u9AAEi048Plk7i3SFsvKVhwHBjtN youjnFAzX7En/rHgAFsK9D4IyvvZW5tcHFwWpo60pwmcHfmikzC7oQeQKaq+F8Lz Ldn0eSIfzmn8mPc0yv+v7zvk6eqW9KjrD8H3mRarY2WQwG/QTFFbjRyxmwYoZNOf Nq+cgNcGRqS0rByxRmfsVXEPIb/iNEmdTgva0YsrdBoNHmvS22VLlpCiDbRQYx3g z/Uz6wZPKwNic3II7CeXvZpm5V2GXJgsFdaLNO1VhBUQk4TH4Br2vRGMijlfqJa0 uoOazryXiCAABk8YuBmRvwLx5AmIfxtFm4t5+pdgBzGbQA6KrkwIPhEc07Uf4eqF eMZR8GwOsiotvug4YP5zW/gJ5vxSE0qPI6WN8UMAnF8eg/P3sC4GcoDer1oj/LYz 01Z4b8FuSSl6TQHtLTxl8Uo6qSjjjJRr4TUHz7tTIMK4ABznG9pSBwpHm+GZukC+ WTa0oEwtxflJ0Nk66aVcly1dd7447pYOVEhhdJBGNin4DOL7kbgXmVNolQ0lXQyx CysteY+rs7iGxoDyLlKCMcDGABR3jV5m67VDyDf6WsK8+/NaR77h9E7zK8JbTK0C XtIB0iwMwanygmwWcqCeZH8Vsu4fQ//CeeYoj9X1E0cWJoys9Hc= =Fqwd -----END PGP SIGNATURE----- --6mf4y4m4gj2fmxli--