From patchwork Tue Dec 5 15:46:55 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Georgi Djakov X-Patchwork-Id: 844837 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="Gf1s0NW9"; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 3yrmMd2Czcz9t9j for ; Wed, 6 Dec 2017 02:47:09 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752952AbdLEPrH (ORCPT ); Tue, 5 Dec 2017 10:47:07 -0500 Received: from mail-wm0-f65.google.com ([74.125.82.65]:40690 "EHLO mail-wm0-f65.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752748AbdLEPrF (ORCPT ); Tue, 5 Dec 2017 10:47:05 -0500 Received: by mail-wm0-f65.google.com with SMTP id f206so2066710wmf.5 for ; Tue, 05 Dec 2017 07:47:04 -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=fBhDBzf72f+HUxgMrCH9+V0S2oxjmyIhFJsFKEldfUc=; b=Gf1s0NW95ZpgCjduA++SVd8nAb7GbUu7vr908QKQysip7BqDXyThHzlKDKWDE3MZ8O WuwwEYVy1iPrS30rj1YYmF3JxHN0FKTr7tik+T1HMZ7yIoRKdU7Gj/opIk+J6o3XtWUA 1y4AvpbWt66QcBpkcm+cEQQ2cZobtAE0mzlBw= 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=fBhDBzf72f+HUxgMrCH9+V0S2oxjmyIhFJsFKEldfUc=; b=f2AsAJevvB26FD/NmXQqmF+vd8MXf8qOkLzQ6rEJ9NFrjsEivNllO4y/kt+ESw/i2S PYPhTEPMsAGpCtdOWRYgFXaH1sAQVrjMke4hJxVxMm/hWt04QS+hQG54osB4tgh+YuiG fsH50lx+buBIm7CEF9JDOkG97P/i91l/7S9rPr3zQ7LxpArYViLxWEZARFUMw016H0b2 QRkmMqQQppw6fI76NkFkVf4SznOnOKHxC9WPyGU4tVTdFfVVYGpTBp5y08gagM6fvQJW lN5Wu/y1QBnq3Lyu7xJ2yNmk8Et75MlkcAm8DCU0+DDkGaj4MZ4cZ+jdjtK23AocmuLQ nUdg== X-Gm-Message-State: AJaThX64yQ9LhXY1Msl3c7H/SJj2CM8KLwWjUlBXplOxp/y2BAyOqrXM Y9MyAEMdw134Z6FzD1x7J45XtQ== X-Google-Smtp-Source: AGs4zMa62HMQoks00RbklU7dhHJhcFmMhdY1+MTrpnkQpQlOX0yOYoNAbxc4nav73rsBEFkyyFGxWg== X-Received: by 10.28.30.213 with SMTP id e204mr9728021wme.40.1512488823801; Tue, 05 Dec 2017 07:47:03 -0800 (PST) Received: from localhost.localdomain ([212.45.67.2]) by smtp.googlemail.com with ESMTPSA id v47sm500946wrc.13.2017.12.05.07.47.02 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Tue, 05 Dec 2017 07:47:02 -0800 (PST) From: Georgi Djakov To: sboyd@codeaurora.org, jassisinghbrar@gmail.com, bjorn.andersson@linaro.org Cc: mturquette@baylibre.com, robh@kernel.org, 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 v11 0/6] Add support for Qualcomm A53 CPU clock Date: Tue, 5 Dec 2017 17:46:55 +0200 Message-Id: <20171205154701.27730-1-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 v10 (https://lkml.org/lkml/2017/12/1/577) * Addressed Bjorn's comments on APCS clock driver. * Picked Acks from Rob and Bjorn. 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 | 110 ++++++++++ drivers/clk/qcom/apcs-msm8916.c | 149 ++++++++++++++ drivers/clk/qcom/clk-regmap-mux-div.c | 229 +++++++++++++++++++++ drivers/clk/qcom/clk-regmap-mux-div.h | 46 +++++ drivers/mailbox/qcom-apcs-ipc-mailbox.c | 35 +++- 9 files changed, 628 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