From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-11.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 93276C433E6 for ; Thu, 21 Jan 2021 12:00:15 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 41DC52395A for ; Thu, 21 Jan 2021 12:00:15 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730645AbhAUL75 (ORCPT ); Thu, 21 Jan 2021 06:59:57 -0500 Received: from esa.microchip.iphmx.com ([68.232.153.233]:29463 "EHLO esa.microchip.iphmx.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728739AbhAULUm (ORCPT ); Thu, 21 Jan 2021 06:20:42 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=microchip.com; i=@microchip.com; q=dns/txt; s=mchp; t=1611228041; x=1642764041; h=from:to:cc:subject:date:message-id:mime-version; bh=q4ZsdJTJ4dixLEzGTbbVdW+QogbIEeXzO/QvdmgiWYc=; b=O3uwtf4v/pFYS5oxU1RpLd/SR0rT5PrEpxbb0+AB4YVh/uoFwNeCbmGX lWVFxeGAsFBkpWiaAzQDu8zEu1xLTzmx+vBZO6svDKWHst7F6Ik3td8x2 FILUePUZUI4cOf1yIoB5Z/QrABpK+LToUdoS1N3JNJG8KrD0lAy7VQLWC 4ebCyUT5iC7JjXjtcWhSK9WikWuvBeD+JLQ6aPgBSq7/3pRpgsQjGVNEf li03p79SR3kQyPjcawPd3OTC/1+m3UO+p+l7YUF1EwOKQ6XormGR2FO0z cOQw/xkYVFp10FI9UjUt0tHRAjA4gGAJLWAqsHWw3cnRDwJb1JldUntwn g==; IronPort-SDR: +t0APLGnIHjfYPowpTVdQRdw3kaWi8iOv/SRjwjUXXhIOGn/siHsxsyddTuGTLSDrZtrOMWFO7 Y1cQVtL4JMNxC/dszoqbz4jWkNGG+Q2Rmz3sTF9EaHkp4YzvcwmdcsBoRVWbMpG+B3z7YGyE2u nmkXUodlJbpW/rXEXp6hBj2UqAK3M+GtuoyFZk+q52enpj8+ut28SZ+PuHSiyOgUK3ffAZhj5F DMYEQTOEhuc8l9cG8D5J3SbRey9GjSi6RbJzcJFQxgPC36iJLjJf6UJNzy54iGmCtWGmqcM2SI OYs= X-IronPort-AV: E=Sophos;i="5.79,363,1602572400"; d="scan'208";a="106762264" Received: from smtpout.microchip.com (HELO email.microchip.com) ([198.175.253.82]) by esa3.microchip.iphmx.com with ESMTP/TLS/AES256-SHA256; 21 Jan 2021 04:19:26 -0700 Received: from chn-vm-ex01.mchp-main.com (10.10.85.143) by chn-vm-ex04.mchp-main.com (10.10.85.152) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.1979.3; Thu, 21 Jan 2021 04:19:25 -0700 Received: from m18063-ThinkPad-T460p.microchip.com (10.10.115.15) by chn-vm-ex01.mchp-main.com (10.10.85.143) with Microsoft SMTP Server id 15.1.1979.3 via Frontend Transport; Thu, 21 Jan 2021 04:19:22 -0700 From: Claudiu Beznea To: , , , , CC: , , , , Claudiu Beznea Subject: [PATCH 0/5] clk: at91: updates for power management and dvfs Date: Thu, 21 Jan 2021 13:19:06 +0200 Message-ID: <1611227951-4590-1-git-send-email-claudiu.beznea@microchip.com> X-Mailer: git-send-email 2.7.4 MIME-Version: 1.0 Content-Type: text/plain Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi, This series addresses the power management for SAMA7G5 and also updates the master clock prescaller and master clock divider drivers to accomodate the requests at [1]. The power management part is implemented by adding save_context()/restore_context() on each clock driver (patch 1/5). Since the PM part is necessary only for backup mode (supported on SAMA5D2 and SAMA7G5) the pmc.c has been adapted to call the save_context()/restore_context() only on switches to/from backup mode (patch 2/5). Patch 3/5 adds the securam clock on SAMA7G5. This is necessary for backup mode of SAMA7G5. Patch 4/5 adds registers definitions for the new master clocks (MCK1..4) of SAMA7G5 and adapt the clk-master.c. The defines exported in include/linux/clk/at91_pmc.h will be also used by platform specific PM code. Patch 5/5 adpat the master clock divider and master clock prescaller to address the requests at [1]. Thank you, Claudiu Beznea [1] https://lore.kernel.org/lkml/20210105104426.4tmgc2l3vyicwedd@vireshk-i7/ Claudiu Beznea (5): clk: at91: re-factor clocks suspend/resume clk: at91: pmc: execute suspend/resume only for backup mode clk: at91: sama7g5: add securam's peripheral clock clk: at91: clk-master: add register definition for sama7g5's master clock clk: at91: clk-master: update for dvfs drivers/clk/at91/at91rm9200.c | 2 +- drivers/clk/at91/at91sam9260.c | 2 +- drivers/clk/at91/at91sam9g45.c | 2 +- drivers/clk/at91/at91sam9n12.c | 2 +- drivers/clk/at91/at91sam9rl.c | 2 +- drivers/clk/at91/at91sam9x5.c | 2 +- drivers/clk/at91/clk-generated.c | 45 +++- drivers/clk/at91/clk-main.c | 66 ++++++ drivers/clk/at91/clk-master.c | 395 +++++++++++++++++++++++++++--------- drivers/clk/at91/clk-peripheral.c | 38 +++- drivers/clk/at91/clk-pll.c | 37 ++++ drivers/clk/at91/clk-programmable.c | 29 ++- drivers/clk/at91/clk-sam9x60-pll.c | 68 ++++++- drivers/clk/at91/clk-system.c | 20 ++ drivers/clk/at91/clk-usb.c | 27 +++ drivers/clk/at91/clk-utmi.c | 47 ++++- drivers/clk/at91/dt-compat.c | 2 +- drivers/clk/at91/pmc.c | 175 ++++------------ drivers/clk/at91/pmc.h | 27 ++- drivers/clk/at91/sam9x60.c | 2 +- drivers/clk/at91/sama5d2.c | 2 +- drivers/clk/at91/sama5d3.c | 2 +- drivers/clk/at91/sama5d4.c | 2 +- drivers/clk/at91/sama7g5.c | 3 +- include/linux/clk/at91_pmc.h | 26 +++ 25 files changed, 750 insertions(+), 275 deletions(-) -- 2.7.4