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=-11.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, MENTIONS_GIT_HOSTING,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,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 BE6F9C4363A for ; Mon, 26 Oct 2020 20:33:49 +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 3F4DC207E8 for ; Mon, 26 Oct 2020 20:33:49 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="2tzL+0Xu" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 3F4DC207E8 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=arm.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:MIME-Version:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id: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=2TrAQRHmS4Ql+ZQQZd7vQdvBRT9LZL3fNGXKcZh2oYQ=; b=2tzL+0XuEqW2n7nWF8ihVEmTe2 9Jb33QXytXQujKidNUPaBkxhsEx7tgi5l/Tkc/dtxiU1S7n3en9jJyRMqgQ9MCZpQ0KClV21ybpF2 jRwyUjnFERh+WRpxAiVbJkXUNpuv63n+cVVzkVS/BVTs3BSdRDH6qS6AeoSkzzEllI0LwVUCua1pV i+lHhCCWzB6A6D/XGLY+wSvNKYF+Cxc8Tsv1om5sSe4ccxUiwoTAMHIR7xZRinwihAzZLFbs/Ynad OJOAtfXyg39WovzfoCi5tOjiiAuAw0pHbz4lxyx76NAWQkOcWOC8LfzYQ60VdWLm1/5mXPaaLy1XM t4jawG1g==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1kX9AJ-0001OF-N8; Mon, 26 Oct 2020 20:32:27 +0000 Received: from foss.arm.com ([217.140.110.172]) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1kX9AE-0001N9-44 for linux-arm-kernel@lists.infradead.org; Mon, 26 Oct 2020 20:32:23 +0000 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 7DB4F1FB; Mon, 26 Oct 2020 13:32:17 -0700 (PDT) Received: from e120937-lin.home (unknown [172.31.20.19]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 170413F68F; Mon, 26 Oct 2020 13:32:14 -0700 (PDT) From: Cristian Marussi To: linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org Subject: [PATCH v3 0/4] Add support for SCMIv3.0 Voltage Domain Protocol and SCMI-Regulator Date: Mon, 26 Oct 2020 20:31:44 +0000 Message-Id: <20201026203148.47416-1-cristian.marussi@arm.com> X-Mailer: git-send-email 2.17.1 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20201026_163222_246189_7945D369 X-CRM114-Status: GOOD ( 15.34 ) 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: robh@kernel.org, satyakim@qti.qualcomm.com, f.fainelli@gmail.com, vincent.guittot@linaro.org, sudeep.holla@arm.com, broonie@kernel.org, cristian.marussi@arm.com, james.quinlan@broadcom.com, Jonathan.Cameron@Huawei.com, souvik.chakravarty@arm.com, etienne.carriere@linaro.org, lukasz.luba@arm.com MIME-Version: 1.0 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 Hi, this series introduces the support for the new SCMI Voltage Domain Protocol defined by the upcoming SCMIv3.0 specification, whose BETA release is available at [1]. Afterwards, a new generic SCMI Regulator driver is developed on top of the new SCMI VD Protocol. The series is currently based on for-next/scmi [2] on top of: commit b9ceca6be432 ("firmware: arm_scmi: Fix duplicate workqueue name") Any feedback welcome, Thanks, Cristian --- v2 --> v3 - DT bindings - avoid awkard examples based on _cpu/_gpu regulators - SCMI Regulator - remove multiple linear mappings support - removed duplicated voltage name printout - added a few comments - simplified return path in scmi_reg_set_voltage_sel() - VD Protocol - restrict segmented voltage domain descriptors to one triplet - removed unneeded inline - free allocated resources for invalid voltage domain - added __must_check to info_get voltage operations - added a few comments - removed fixed size typing from struct voltage_info v1 --> v2 - rebased on for-next/scmi v5.10 - DT bindings - removed any reference to negative voltages - SCMI Regulator - removed duplicate regulator naming - removed redundant .get/set_voltage ops: only _sel variants implemented - removed condexpr on fail path to increase readability - VD Protocol - fix voltage levels query loop to reload full cmd description between iterations as reported by Etienne Carriere - ensure transport rx buffer is properly sized calli scmi_reset_rx_to_maxsz between transfers [1]:https://developer.arm.com/documentation/den0056/c/ [2]:https://git.kernel.org/pub/scm/linux/kernel/git/sudeep.holla/linux.git/log/?h=for-next/scmi Cristian Marussi (4): firmware: arm_scmi: Add Voltage Domain Support firmware: arm_scmi: add SCMI Voltage Domain devname regulator: add SCMI driver dt-bindings: arm: add support for SCMI Regulators .../devicetree/bindings/arm/arm,scmi.txt | 42 ++ drivers/firmware/arm_scmi/Makefile | 2 +- drivers/firmware/arm_scmi/common.h | 1 + drivers/firmware/arm_scmi/driver.c | 3 + drivers/firmware/arm_scmi/voltage.c | 398 +++++++++++++++++ drivers/regulator/Kconfig | 9 + drivers/regulator/Makefile | 1 + drivers/regulator/scmi-regulator.c | 403 ++++++++++++++++++ include/linux/scmi_protocol.h | 64 +++ 9 files changed, 922 insertions(+), 1 deletion(-) create mode 100644 drivers/firmware/arm_scmi/voltage.c create mode 100644 drivers/regulator/scmi-regulator.c -- 2.17.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel