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=-7.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,UNPARSEABLE_RELAY,USER_AGENT_GIT autolearn=no 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 9553AC433E1 for ; Thu, 13 Aug 2020 07:10:17 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 6295120771 for ; Thu, 13 Aug 2020 07:10:17 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="gawKbXVo"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=mediatek.com header.i=@mediatek.com header.b="WQ7ZGLZc" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 6295120771 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=mediatek.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=merlin.20170209; h=Sender:Content-Transfer-Encoding: Content-Type:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:MIME-Version:Message-ID:Date:Subject:To:From: Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender :Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References:List-Owner; bh=aVXJg3gPB2AZ4kgzap2CzyCIYhc1swau/Y7nFLlQCFs=; b=gawKbXVoxaTI5yjAasT1rDJxPF sbv1ZTvdn+kh0iKJ15qNeGAmzuoeSKOT0+wgfrJT5MjMvrihj8mjRJM8DRJZm8co0JXsYwQNnW8gH rFssdTypy7MqUseJPyiinsw8os+Kj2vUKQM4TMSMbz+JkRAQ3hL1C2uqucCXpFlUZZE6wZ5ZCXvUA 2eJQdB96DG9WpP5bdxOPtcuNJF6Ncn/H/KNBt4CFIVIIyRN1H9qB202jwKSYSxxfY2y2TzYrF8Pbw EmNEP2etHU2YlPPRLgVIbM4dHmM9rrZmFtoia5XFyjhE4TcET4X01ap65mSZK49Y35OJpprIxoDis 5BO2eIGA==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1k67LW-0008KN-Tc; Thu, 13 Aug 2020 07:08:18 +0000 Received: from mailgw01.mediatek.com ([216.200.240.184]) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1k67LT-0008JV-N2; Thu, 13 Aug 2020 07:08:17 +0000 X-UUID: 7a14ba5e74e4497ba1625d2f5741b0c6-20200812 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mediatek.com; s=dk; h=Content-Transfer-Encoding:Content-Type:MIME-Version:Message-ID:Date:Subject:CC:To:From; bh=Em+aZRblnSBBXfbIqqdD7o9UIm1k6YffKGxm9JLcp40=; b=WQ7ZGLZcpDggwk9df07zP5719XIcKJKsYNHR73AHcWXSGd6jN/Rm7FckY7vWHj6msO2HbuVb8wb2lG4T8sqHjWQcCCSKcen6OzpW16tGQehEqwssxzzdPxE88ucaWDlqYHXJj1yN8dBK3MC6Jn5IM6YVmdr9uiffSezB6Vn16DA=; X-UUID: 7a14ba5e74e4497ba1625d2f5741b0c6-20200812 Received: from mtkcas66.mediatek.inc [(172.29.193.44)] by mailgw01.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLS) with ESMTP id 1615700894; Wed, 12 Aug 2020 23:08:08 -0800 Received: from MTKMBS01N2.mediatek.inc (172.21.101.79) by MTKMBS62N1.mediatek.inc (172.29.193.41) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Thu, 13 Aug 2020 00:08:03 -0700 Received: from MTKCAS06.mediatek.inc (172.21.101.30) by mtkmbs01n2.mediatek.inc (172.21.101.79) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Thu, 13 Aug 2020 15:07:58 +0800 Received: from mtkswgap22.mediatek.inc (172.21.77.33) by MTKCAS06.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Thu, 13 Aug 2020 15:07:58 +0800 From: Hector Yuan To: , , , , "Rafael J. Wysocki" , "Viresh Kumar" , Rob Herring , "Catalin Marinas" , Will Deacon , "Matthias Brugger" , Bjorn Andersson , Shawn Guo , Li Yang , Vinod Koul , Arnd Bergmann , Anson Huang , Geert Uytterhoeven , Olof Johansson Subject: [PATCH v1] cpufreq: mediatek-hw: Add support for Mediatek cpufreq HW driver Date: Thu, 13 Aug 2020 15:07:53 +0800 Message-ID: <1597302475-15484-1-git-send-email-hector.yuan@mediatek.com> X-Mailer: git-send-email 1.7.9.5 MIME-Version: 1.0 X-TM-SNTS-SMTP: 22E7736455FFC7AFAC1005B33F5D3A93FDE664E47FE8A993C0634980A15532C92000:8 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200813_030815_923430_16744E4B X-CRM114-Status: GOOD ( 13.72 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: hector.yuan@mediatek.com, linux-kernel@vger.kernel.org, wsd_upstream@mediatek.com Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org The CPUfreq HW present in some Mediatek chipsets offloads the steps necessary for changing the frequency of CPUs. The driver implements the cpufreq driver interface for this hardware engine. This patch depends on the MT6779 DTS patch submitted by Hanks Chen https://lkml.org/lkml/2020/8/4/1094 Hector.Yuan (2): dt-bindings: cpufreq: add bindings for MediaTek cpufreq HW cpufreq: mediatek-hw: Add support for Mediatek cpufreq HW driver .../bindings/cpufreq/cpufreq-mediatek-hw.yaml | 61 +++++ arch/arm64/configs/defconfig | 1 + drivers/cpufreq/Kconfig.arm | 11 + drivers/cpufreq/Makefile | 1 + drivers/cpufreq/mediatek-cpufreq-hw.c | 255 ++++++++++++++++++++ 5 files changed, 329 insertions(+) create mode 100644 Documentation/devicetree/bindings/cpufreq/cpufreq-mediatek-hw.yaml create mode 100644 drivers/cpufreq/mediatek-cpufreq-hw.c _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel