From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753679AbbCJPnz (ORCPT ); Tue, 10 Mar 2015 11:43:55 -0400 Received: from metis.ext.pengutronix.de ([92.198.50.35]:43200 "EHLO metis.ext.pengutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752746AbbCJPlf (ORCPT ); Tue, 10 Mar 2015 11:41:35 -0400 From: Sascha Hauer To: linux-arm-kernel@lists.infradead.org Cc: Matthias Brugger , devicetree@vger.kernel.org, linux-mediatek@lists.infradead.org, linux-kernel@vger.kernel.org, kernel@pengutronix.de, Kevin Hilman Subject: [PATCH v1] Mediatek SCPSYS power domain support Date: Tue, 10 Mar 2015 16:40:59 +0100 Message-Id: <1426002063-25713-1-git-send-email-s.hauer@pengutronix.de> X-Mailer: git-send-email 2.1.4 X-SA-Exim-Connect-IP: 2001:67c:670:100:1d::7 X-SA-Exim-Mail-From: sha@pengutronix.de X-SA-Exim-Scanned: No (on metis.ext.pengutronix.de); SAEximRunCond expanded to false X-PTX-Original-Recipient: linux-kernel@vger.kernel.org Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This series adds support for the MediaTek SCPSYS unit. The SCPSYS unit handles several power management related tasks such as thermal measurement, DVFS, interrupt filter and low level sleep control. The initial support only contains the generic power domain handling. This is needed to turn on power to the different power domains. The driver is quite straight forward now. Due to the lack of a better place I have put it to drivers/soc/mediatek. As the SCPSYS unit has several other tasks that also do not fit into some specific subsystem this probably is a good place for this driver. Please review, any input welcome. Sascha changes since RFC: - add a commit log to driver patch - drop manipulating infracfg registers for now, can be added (properly) later - Add warning messages when errors occur - add NULL pointer check for kmalloc - Enable all power domains when PM is disabled to allow consumers to work