From patchwork Sat Feb 20 15:56:16 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Konrad Dybcio X-Patchwork-Id: 12096931 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=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,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 B4432C43381 for ; Sat, 20 Feb 2021 15:58:21 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 85D8260C3E for ; Sat, 20 Feb 2021 15:58:21 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229826AbhBTP6U (ORCPT ); Sat, 20 Feb 2021 10:58:20 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58076 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229847AbhBTP6P (ORCPT ); Sat, 20 Feb 2021 10:58:15 -0500 Received: from relay04.th.seeweb.it (relay04.th.seeweb.it [IPv6:2001:4b7a:2000:18::165]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A30E3C061574 for ; Sat, 20 Feb 2021 07:57:24 -0800 (PST) Received: from localhost.localdomain (abab236.neoplus.adsl.tpnet.pl [83.6.165.236]) by m-r1.th.seeweb.it (Postfix) with ESMTPA id 9C9B91F63A; Sat, 20 Feb 2021 16:56:38 +0100 (CET) From: Konrad Dybcio To: phone-devel@vger.kernel.org Cc: ~postmarketos/upstreaming@lists.sr.ht, martin.botka@somainline.org, angelogioacchino.delregno@somainline.org, marijn.suijten@somainline.org, Konrad Dybcio , Andy Gross , Bjorn Andersson , Michael Turquette , Stephen Boyd , Rob Herring , Taniya Das , Craig Tatlor , linux-arm-msm@vger.kernel.org, linux-clk@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org Subject: [PATCH 5/6] clk: qcom: gcc-sdm660: Account for needed adjustments in probe function Date: Sat, 20 Feb 2021 16:56:16 +0100 Message-Id: <20210220155618.176559-5-konrad.dybcio@somainline.org> X-Mailer: git-send-email 2.30.1 In-Reply-To: <20210220155618.176559-1-konrad.dybcio@somainline.org> References: <20210220155618.176559-1-konrad.dybcio@somainline.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-clk@vger.kernel.org Downstream kernel executes a bunch of commands, such as keeping GPU/MMSS interface clocks alive to make sure all subsystems can work properly. Add these to make sure they do. Fixes: f2a76a2955c0 ("clk: qcom: Add Global Clock controller (GCC) driver for SDM660") Signed-off-by: Konrad Dybcio --- drivers/clk/qcom/gcc-sdm660.c | 23 ++++++++++++++++++++++- 1 file changed, 22 insertions(+), 1 deletion(-) diff --git a/drivers/clk/qcom/gcc-sdm660.c b/drivers/clk/qcom/gcc-sdm660.c index bc8dfcd6d629..db2185c88b77 100644 --- a/drivers/clk/qcom/gcc-sdm660.c +++ b/drivers/clk/qcom/gcc-sdm660.c @@ -11,6 +11,7 @@ #include #include #include +#include #include #include #include @@ -2622,7 +2623,27 @@ static int gcc_sdm660_probe(struct platform_device *pdev) if (ret) return ret; - return qcom_cc_really_probe(pdev, &gcc_sdm660_desc, regmap); + ret = qcom_cc_really_probe(pdev, &gcc_sdm660_desc, regmap); + if (ret) + return ret; + + /* Disable the GPLL0 active input to MMSS and GPU via MISC registers */ + regmap_update_bits(regmap, 0x0902c, 0x3, 0x3); + regmap_update_bits(regmap, 0x71028, 0x3, 0x3); + + /* This clock is used for all MMSSCC register access */ + clk_prepare_enable(gcc_mmss_noc_cfg_ahb_clk.clkr.hw.clk); + + /* This clock is used for all GPUCC register access */ + clk_prepare_enable(gcc_gpu_cfg_ahb_clk.clkr.hw.clk); + + /* Keep bimc gfx clock port on all the time */ + clk_prepare_enable(gcc_bimc_gfx_clk.clkr.hw.clk); + + /* Set the HMSS_GPLL0_SRC for 300MHz to CPU subsystem */ + clk_set_rate(hmss_gpll0_clk_src.clkr.hw.clk, 300000000); + + return ret; } static struct platform_driver gcc_sdm660_driver = {