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=-7.7 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 02E1EC433E3 for ; Wed, 26 Aug 2020 13:13:43 +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 C796D20707 for ; Wed, 26 Aug 2020 13:13:42 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="af1Xbjvo"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=mediatek.com header.i=@mediatek.com header.b="LY6kPxmD" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org C796D20707 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=t2zUXMf3xKD/M2iFD3paZ/6zWPBYs1x9NQUQ7fR8tpw=; b=af1XbjvouA8/MOAauSK1zfUEIY /VP/ztTEVlsWoMUHwnuk0KyAeC+k2qo7AizrHHs3PK3sSictpjgueWqZprmpCaW4bC0J6sP/SqJyq pe+Y3F/oikmYvqAWELccZpMw+8QQeJ8KNVobd3YEI/rSkYENoL4nRUquyg22589Gd0zYRUAs68+ZW D9Wd1njq5O1L5vpg7p9VMA3b7T8E6tuM6DNpbAOy7T/K7grLQw0RbpjfELYGuIOeyxMb4j3/8awJE xkrZlQPJkBciytGXn51oIlDBG2dS6MWhwpTbianvLcK3VwaQpcxpd88ZQFOBStsoD1fBqNx9WWsEi uuvnjzhQ==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1kAvDo-0003nJ-C3; Wed, 26 Aug 2020 13:12:12 +0000 Received: from mailgw02.mediatek.com ([216.200.240.185]) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1kAvDi-0003lH-WB; Wed, 26 Aug 2020 13:12:08 +0000 X-UUID: e6dd90521a784413a6d445227cdfad22-20200826 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=TlrhuKUtXiamr2icTWX8cnBDNHjfUgMUC7MJFBSZR/U=; b=LY6kPxmDI5LECnmrqiRv7RFP1xT0UHbSrbXgT14oAVhi5Am7hGwnKhq7ztPwzY1/1Ts5QTIJoPovIS2AkbCBAbkN506R+hS+OtIhvggreJ3IPZQ8yEatCmSeuEzDXliVLqc4pkeesEQbkWAMZ2badhlum8pUDlDVbxlCVGEpylI=; X-UUID: e6dd90521a784413a6d445227cdfad22-20200826 Received: from mtkcas66.mediatek.inc [(172.29.193.44)] by mailgw02.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLS) with ESMTP id 1990353904; Wed, 26 Aug 2020 05:12:03 -0800 Received: from MTKMBS01N2.mediatek.inc (172.21.101.79) by MTKMBS62N2.mediatek.inc (172.29.193.42) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Wed, 26 Aug 2020 06:02:01 -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; Wed, 26 Aug 2020 21:01:55 +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; Wed, 26 Aug 2020 21:01:55 +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 v3] cpufreq: mediatek-hw: Add support for Mediatek cpufreq HW driver Date: Wed, 26 Aug 2020 21:01:51 +0800 Message-ID: <1598446913-24325-1-git-send-email-hector.yuan@mediatek.com> X-Mailer: git-send-email 1.7.9.5 MIME-Version: 1.0 X-TM-SNTS-SMTP: 02D1B9AEDA205CDA5DD0E93B3C8A86442BE58BD603423B503BCF813E15882B482000:8 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200826_091207_274280_FE620204 X-CRM114-Status: GOOD ( 13.52 ) 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, 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 MT6799 DTS patch submitted by Hanks Chen https://lkml.org/lkml/2020/8/4/1094 Hector.Yuan (2): cpufreq: mediatek-hw: Add support for Mediatek cpufreq HW driver dt-bindings: cpufreq: add bindings for MediaTek cpufreq HW .../bindings/cpufreq/cpufreq-mediatek-hw.yaml | 141 +++++++++ drivers/cpufreq/Kconfig.arm | 12 + drivers/cpufreq/Makefile | 1 + drivers/cpufreq/mediatek-cpufreq-hw.c | 305 ++++++++++++++++++++ 4 files changed, 459 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