From patchwork Fri Dec 1 17:02:18 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Georgi Djakov X-Patchwork-Id: 843604 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; dkim=fail reason="signature verification failed" (1024-bit key; unprotected) header.d=linaro.org header.i=@linaro.org header.b="fx4m7kqX"; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 3ypLDR0jv4z9sNw for ; Sat, 2 Dec 2017 04:02:31 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751200AbdLARC2 (ORCPT ); Fri, 1 Dec 2017 12:02:28 -0500 Received: from mail-wm0-f66.google.com ([74.125.82.66]:37417 "EHLO mail-wm0-f66.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750782AbdLARC1 (ORCPT ); Fri, 1 Dec 2017 12:02:27 -0500 Received: by mail-wm0-f66.google.com with SMTP id f140so4506454wmd.2 for ; Fri, 01 Dec 2017 09:02:26 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id; bh=4RI+f2zZK8qySDC9iqpf588r5sKD9PWKlDKnk+tuuAo=; b=fx4m7kqX496+p+Bv5WWMDoCrUpgBIzWtnnYiYXgD6Q2B1a9g1xIMiv2pMyzHLpSR3m h2iuhhcIU3tKoGgv5ZXpwTvUKj2hzs4FwWGzAYik4U3U4tKU7EzNWomYJ5s8ZOrTsFKb QBsPXZNTPXPzbu/xHh16dxkIpX/+5CmIKNg1E= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id; bh=4RI+f2zZK8qySDC9iqpf588r5sKD9PWKlDKnk+tuuAo=; b=mdKrn4eQTrVLwUlfvQO2i/cLUPCG6kdKKeH+MihQ2GkfKKOSyJdBHiLEDPrsWU10Y2 S5cFbXP6fXaibQD+DQAvkktJpMSD0XbGqWG6NNgp/O1SdH6+UrU4Suf5FKA+uk5jZhke bSqLuZ6vrcp164Wn2Tj1LzcEARfswy1HmHkuJj3DteRObJFlabXFz/lAiJmxpbcHocFR CF8Tk2X9lgnThf3wzoiuULEciBjuDInXc5k35GYdWHBlo7b7ElhbgHkxeT5sGA5JUX4l 3wPuAoPO1Qx/u8PV0GF0Rkkho7IvNly4wCgGc+pW7VUyqd85AUovPZ0OJ69GA3rnKozr SB+A== X-Gm-Message-State: AKGB3mJf0x05szrHlp/wkJELF9YFKxwM/lkjl4kvixxettpj6ZsomFMw lTE1ra2mKLTbJqwKVnd+vJk+xw== X-Google-Smtp-Source: AGs4zMZLpSFfsfim6xiVOnNhjCoSgyJHwMkBX8faa6eKB1BB7RxV9UcuszPHpAZlcrkOiy9esw2w0g== X-Received: by 10.28.139.144 with SMTP id n138mr1787131wmd.78.1512147745985; Fri, 01 Dec 2017 09:02:25 -0800 (PST) Received: from localhost.localdomain ([212.45.67.2]) by smtp.googlemail.com with ESMTPSA id 2sm1535253wmk.28.2017.12.01.09.02.24 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Fri, 01 Dec 2017 09:02:25 -0800 (PST) From: Georgi Djakov To: sboyd@codeaurora.org, jassisinghbrar@gmail.com, bjorn.andersson@linaro.org, robh@kernel.org Cc: mturquette@baylibre.com, linux-clk@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, georgi.djakov@linaro.org Subject: [PATCH v10 0/6] Add support for Qualcomm A53 CPU clock Date: Fri, 1 Dec 2017 19:02:18 +0200 Message-Id: <20171201170224.25053-1-georgi.djakov@linaro.org> X-Mailer: git-send-email 2.14.2 Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org This patchset adds support for the A53 CPU clock on MSM8916 platforms and allows scaling of the CPU frequency on msm8916 based platforms. Changes since v9 (https://lkml.org/lkml/2017/9/21/511) * Added the clock properties to the APCS DT node, instead of adding a subnode and also replaced patch "mailbox: qcom: Populate APCS child platform devices" with "mailbox: qcom: Create APCS child device for clock controller". * Dropped patch "mailbox: qcom: Move the apcs struct into a separate header", and use dev_get_regmap(dev->parent) in the child driver. * Addressed Bjorn's comments on a53-pll and apcs-clk drivers. * Added SPDX copyright identifiers. Changes since v8 (https://lkml.org/lkml/2017/6/23/476) * Converted APCS mailbox driver to use regmap and to populate child platform devices that will handle the rest of the functionality provided by APCS block. * Picked Rob's Ack for the PLL binding. * Changed the APCS binding and put it into a separate patch. * Addressed review comments. * Minor changes. Changes since v7 (https://lkml.org/lkml/2016/10/31/296) * Add the APCS clock controller to the APCS driver to expose both the mailbox and clock controller functionality as discussed earlier: https://lkml.org/lkml/2016/11/14/860 * Changed the a53pll compatible string as suggested by Rob. Changes since v6 (https://lkml.org/lkml/2016/9/7/347) * Addressed various comments from Stephen Boyd Changes since v5 (https://lkml.org/lkml/2016/2/1/407) * Rebase to clk-next and update according to the recent API changes. Changes since v4 (https://lkml.org/lkml/2015/12/14/367) * Convert to builtin drivers as now __clk_lookup() is used Changes since v3 (https://lkml.org/lkml/2015/8/12/585) * Split driver into two parts - and separate A53 PLL and A53 clock controller drivers. * Drop the safe switch hook patch. Add a clock notifier in the clock provider to handle switching via safe mux and divider configuration. Changes since v2 (https://lkml.org/lkml/2015/7/24/526) * Drop gpll0_vote patch. * Switch to the new clk_hw_* APIs. * Rebase to the current clk-next. Changes since v1 (https://lkml.org/lkml/2015/6/12/193) * Drop SR2 PLL patch, as it is already applied. * Add gpll0_vote rate propagation patch. * Update/rebase patches to the current clk-next. Georgi Djakov (6): mailbox: qcom: Convert APCS IPC driver to use regmap mailbox: qcom: Create APCS child device for clock controller clk: qcom: Add A53 PLL support clk: qcom: Add regmap mux-div clocks support dt-bindings: mailbox: qcom: Document the APCS clock binding clk: qcom: Add APCS clock controller support .../devicetree/bindings/clock/qcom,a53pll.txt | 22 ++ .../bindings/mailbox/qcom,apcs-kpss-global.txt | 18 ++ drivers/clk/qcom/Kconfig | 21 ++ drivers/clk/qcom/Makefile | 3 + drivers/clk/qcom/a53-pll.c | 109 ++++++++++ drivers/clk/qcom/apcs-msm8916.c | 149 +++++++++++++ drivers/clk/qcom/clk-regmap-mux-div.c | 230 +++++++++++++++++++++ drivers/clk/qcom/clk-regmap-mux-div.h | 47 +++++ drivers/mailbox/qcom-apcs-ipc-mailbox.c | 35 +++- 9 files changed, 629 insertions(+), 5 deletions(-) create mode 100644 Documentation/devicetree/bindings/clock/qcom,a53pll.txt create mode 100644 drivers/clk/qcom/a53-pll.c create mode 100644 drivers/clk/qcom/apcs-msm8916.c create mode 100644 drivers/clk/qcom/clk-regmap-mux-div.c create mode 100644 drivers/clk/qcom/clk-regmap-mux-div.h Acked-by: Bjorn Andersson --- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html