From patchwork Tue Jun 12 04:40:45 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Rajendra Nayak X-Patchwork-Id: 928072 Return-Path: X-Original-To: incoming-dt@patchwork.ozlabs.org Delivered-To: patchwork-incoming-dt@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=devicetree-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: ozlabs.org; dkim=fail reason="signature verification failed" (1024-bit key; unprotected) header.d=codeaurora.org header.i=@codeaurora.org header.b="V5kYrjVe"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=codeaurora.org header.i=@codeaurora.org header.b="FfVqkHsP"; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 414chH3zX0z9s0w for ; Tue, 12 Jun 2018 14:43:11 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932343AbeFLElG (ORCPT ); Tue, 12 Jun 2018 00:41:06 -0400 Received: from smtp.codeaurora.org ([198.145.29.96]:35366 "EHLO smtp.codeaurora.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932334AbeFLElF (ORCPT ); Tue, 12 Jun 2018 00:41:05 -0400 Received: by smtp.codeaurora.org (Postfix, from userid 1000) id 27477607A4; Tue, 12 Jun 2018 04:41:05 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1528778465; bh=mFxFBNiIJmgk0QtOvmQR41E9/aJ0Eh9DKlO7KtAbzs4=; h=From:To:Cc:Subject:Date:From; b=V5kYrjVewFCmsczqRUtBgO3/7YWCQQwarcZXzcOFw5z8KwiTonrE82wsPg0nIuNze HTlEl/eiSO/pIbJTjwq85j8UFd43PF6+LbzayuQhSiqGO2jMrvytQc8Bw3ZfnyNzQv tXM6sWYxwvOn3rTiptqkbn+WhPKCtuln4lt5S7L8= X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on pdx-caf-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.8 required=2.0 tests=ALL_TRUSTED,BAYES_00, DKIM_SIGNED, T_DKIM_INVALID autolearn=no autolearn_force=no version=3.4.0 Received: from blr-ubuntu-173.qualcomm.com (blr-bdr-fw-01_globalnat_allzones-outside.qualcomm.com [103.229.18.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: rnayak@smtp.codeaurora.org) by smtp.codeaurora.org (Postfix) with ESMTPSA id C1751602BD; Tue, 12 Jun 2018 04:41:00 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1528778464; bh=mFxFBNiIJmgk0QtOvmQR41E9/aJ0Eh9DKlO7KtAbzs4=; h=From:To:Cc:Subject:Date:From; b=FfVqkHsPCNBBJ/3MsNCtlmq2f2SVG5/R6dO5E9hVvowJYGUPG9BQtitYgMTWRjp/V GEAl2HIGF7RwexH1yqeCqdi3CYeFfTuLZhkIl1owcuw2yDhrHsw1qh98yuMTPB5mkP egN+U+bAVmbQX+5VAtyogHlpXSOl/1tfrqp+vrR0= DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org C1751602BD Authentication-Results: pdx-caf-mail.web.codeaurora.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: pdx-caf-mail.web.codeaurora.org; spf=none smtp.mailfrom=rnayak@codeaurora.org From: Rajendra Nayak To: viresh.kumar@linaro.org, sboyd@kernel.org, andy.gross@linaro.org, ulf.hansson@linaro.org, collinsd@codeaurora.org Cc: devicetree@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, Rajendra Nayak Subject: [PATCH v3 0/7] Add powerdomain driver for corners on msm8996/sdm845 Date: Tue, 12 Jun 2018 10:10:45 +0530 Message-Id: <20180612044052.4402-1-rnayak@codeaurora.org> X-Mailer: git-send-email 2.17.0 Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Changes in v3: * Bindings split into seperate patches * Bindings updated to remove duplicate OPP table phandles * DT headers defining macros for Power domain indexes and OPP levels * Optimisations to use rpmh_write_async() whereever applicable * Fixed up handling of ACTIVE_ONLY/WAKE_ONLY/SLEEP voting for RPMh * Fixed the vlvl to hlvl conversions in set_performance * Other minor fixes based on review of v2 * TODO: This series does not handle the case where all VDD_MX votes should be higher than VDD_CX from APPs, as pointed out by David Collins in v2. This needs support at genpd to propogate performance state up the parents, if we model these as Parent/Child to handle the interdependency. Changes in v2: * added a powerdomain driver for sdm845 which supports communicating to RPMh * dropped the changes to sdhc driver to move over to using OPP as there is active discussion on using OPP as the interface vs handling all of it in clock drivers * Other minor binding updates based on review of v1 With performance state support for genpd/OPP merged, this is an effort to model a powerdomain driver to communicate corner/level values for qualcomm platforms to RPM (Remote Power Manager) and RPMh. Rajendra Nayak (7): dt-bindings: power: Add qcom rpm power domain driver bindings soc: qcom: rpmpd: Add a Power domain driver to model corners soc: qcom: rpmpd: Add support for get/set performance state arm64: dts: msm8996: Add rpmpd device node dt-bindings: power: Add qcom rpmh power domain driver bindings soc: qcom: Add RPMh Power domain driver soc: qcom: rpmpd/rpmhpd: Add a max vote on all corners at init .../devicetree/bindings/power/qcom,rpmhpd.txt | 65 +++ .../devicetree/bindings/power/qcom,rpmpd.txt | 49 ++ arch/arm64/boot/dts/qcom/msm8996.dtsi | 34 ++ drivers/soc/qcom/Kconfig | 18 + drivers/soc/qcom/Makefile | 2 + drivers/soc/qcom/rpmhpd.c | 437 ++++++++++++++++++ drivers/soc/qcom/rpmpd.c | 356 ++++++++++++++ include/dt-bindings/power/qcom-rpmhpd.h | 31 ++ include/dt-bindings/power/qcom-rpmpd.h | 16 + 9 files changed, 1008 insertions(+) create mode 100644 Documentation/devicetree/bindings/power/qcom,rpmhpd.txt create mode 100644 Documentation/devicetree/bindings/power/qcom,rpmpd.txt create mode 100644 drivers/soc/qcom/rpmhpd.c create mode 100644 drivers/soc/qcom/rpmpd.c create mode 100644 include/dt-bindings/power/qcom-rpmhpd.h create mode 100644 include/dt-bindings/power/qcom-rpmpd.h Reviewed-by: Ulf Hansson