From patchwork Tue Jan 19 17:45:41 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: AngeloGioacchino Del Regno X-Patchwork-Id: 12030497 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, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,USER_AGENT_GIT autolearn=ham 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 68767C433E6 for ; Tue, 19 Jan 2021 18:49:01 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 255E52313A for ; Tue, 19 Jan 2021 18:49:01 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730806AbhASSsV (ORCPT ); Tue, 19 Jan 2021 13:48:21 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40042 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2392118AbhASR4G (ORCPT ); Tue, 19 Jan 2021 12:56:06 -0500 Received: from m-r2.th.seeweb.it (m-r2.th.seeweb.it [IPv6:2001:4b7a:2000:18::171]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A8985C0612A9; Tue, 19 Jan 2021 09:49:47 -0800 (PST) Received: from IcarusMOD.eternityproject.eu (unknown [2.237.20.237]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by m-r2.th.seeweb.it (Postfix) with ESMTPSA id D2A8A3F1E4; Tue, 19 Jan 2021 18:45:45 +0100 (CET) From: AngeloGioacchino Del Regno To: bjorn.andersson@linaro.org Cc: agross@kernel.org, robh+dt@kernel.org, lgirdwood@gmail.com, broonie@kernel.org, linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, phone-devel@vger.kernel.org, konrad.dybcio@somainline.org, marijn.suijten@somainline.org, martin.botka@somainline.org, jeffrey.l.hugo@gmail.com, AngeloGioacchino Del Regno Subject: [PATCH v4 0/3] Driver for Core Power Reduction v3, v4 and Hardened Date: Tue, 19 Jan 2021 18:45:41 +0100 Message-Id: <20210119174544.227202-1-angelogioacchino.delregno@somainline.org> X-Mailer: git-send-email 2.30.0 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org ** ** NOTE: To "view the full picture", please look at the following ** patch series: ** https://patchwork.kernel.org/project/linux-arm-msm/list/?series=413355 ** This is a subset of that series. ** Changes in v4: - Huge patch series has been split for better reviewability, as suggested by Bjorn Changes in v3: - Fixed YAML doc issues - Removed unused variables and redundant if branch Changes in v2: - Implemented dynamic Memory Accelerator corners support, needed by MSM8998 - Added MSM8998 Silver/Gold parameters This commit introduces a new driver, based on the one for cpr v1, to enable support for the newer Qualcomm Core Power Reduction hardware, known downstream as CPR3, CPR4 and CPRh, and support for MSM8998 and SDM630 CPU power reduction. In these new versions of the hardware, support for various new features was introduced, including voltage reduction for the GPU, security hardening and a new way of controlling CPU DVFS, consisting in internal communication between microcontrollers, specifically the CPR-Hardened and the Operating State Manager. The CPR v3, v4 and CPRh are present in a broad range of SoCs, from the mid-range to the high end ones including, but not limited to, MSM8953/8996/8998, SDM630/636/660/845. Tested on the following smartphones: - Sony Xperia XA2 (SDM630) - Sony Xperia XA2 Ultra (SDM630) - Sony Xperia 10 (SDM630) - Sony Xperia XZ Premium (MSM8998) - F(x)Tec Pro 1 (MSM8998) AngeloGioacchino Del Regno (3): soc: qcom: Add support for Core Power Reduction v3, v4 and Hardened MAINTAINERS: Add entry for Qualcomm CPRv3/v4/Hardened driver dt-bindings: soc: qcom: cpr3: Add bindings for CPR3 driver .../bindings/soc/qcom/qcom,cpr3.yaml | 241 ++ MAINTAINERS | 6 + drivers/soc/qcom/Kconfig | 17 + drivers/soc/qcom/Makefile | 1 + drivers/soc/qcom/cpr-common.c | 35 +- drivers/soc/qcom/cpr-common.h | 4 + drivers/soc/qcom/cpr3.c | 2894 +++++++++++++++++ 7 files changed, 3192 insertions(+), 6 deletions(-) create mode 100644 Documentation/devicetree/bindings/soc/qcom/qcom,cpr3.yaml create mode 100644 drivers/soc/qcom/cpr3.c