From patchwork Sun Aug 27 03:28:02 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dmitry Baryshkov X-Patchwork-Id: 717549 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 83A50C83F26 for ; Sun, 27 Aug 2023 03:29:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230073AbjH0D2m (ORCPT ); Sat, 26 Aug 2023 23:28:42 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58530 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230074AbjH0D2N (ORCPT ); Sat, 26 Aug 2023 23:28:13 -0400 Received: from mail-lf1-x130.google.com (mail-lf1-x130.google.com [IPv6:2a00:1450:4864:20::130]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6A8AECC5 for ; Sat, 26 Aug 2023 20:28:10 -0700 (PDT) Received: by mail-lf1-x130.google.com with SMTP id 2adb3069b0e04-5008d16cc36so3272110e87.2 for ; Sat, 26 Aug 2023 20:28:10 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1693106888; x=1693711688; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=t4PW5GOr14sKnMrp5iOyHNMKLLl0ISY4Z/HKicgZzoc=; b=f16Ooh6S4gZROEoA9uKf3LLXMe57HTJ3KNIYW828cLk6zG2Kc9y34Lpbmz+3QRMXwd AT61rlkWJyWc+fZjMnjcLXzJnBi97LeQaheoBLALaseEtZt8CqlwLZX4xViIQS/3HrG7 arjbpQ73FXtekyWLoJwvZfDdXhsSD4C0kZCCvZ1kOgp14Wwhwd4/AYAZ0Lo+IYM3wvGO MtiOxptgo4qJAJLByiDiReK74wqzfoPHm8C5daVvNrPHSayPosvhoQ1l0mh4j00+oWHt ZcvTT1rNBuDQEeft+HG9yyWn7wzc101DWy9hr9Ce46FQuPhGFVFTlVRAy5+SMURcvyi5 H6jQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1693106888; x=1693711688; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=t4PW5GOr14sKnMrp5iOyHNMKLLl0ISY4Z/HKicgZzoc=; b=RyIJy3bvX0QXCH6oY7KcniSOuRkNRi+Nf+VanBITV1iopxttq8z9Yu5PHA437TKm7+ MtwXpu3g2x7X7H83XxWIMB35fs6KQaQBHTZjNLtIn/yog00Cj0B3FGI/UD5+GN+4fTay EwSRQ+rzIE8iQmRX+XgDUdTso0Zi6g8S8idJzZzKxlE7/893TUs0pjMxvwioQ7IY0E5W jxxysgbo1hR1Xf4wGpVFqcvX/QTSagyx42WEW0calvvk2hDlW7J9wy+wBhluVj74PUXw zw/Oc3r52AoNX6+3j3bsujcNYTuKTyTaImsRSew4R62Uc1+GkRIQ6aZnB0mKx8ZAMTsJ ybsg== X-Gm-Message-State: AOJu0YzrAUiN7EqH+Z3d75dPD2PLBQrSvuhIvFF9YqQ20aJZe1ewTTNZ tvWicZy4YVNL+9CJ3Wk6fLJx0w== X-Google-Smtp-Source: AGHT+IErw0mBCEud+xQcTHHPFAg9BsMuGdvzqgou1vUPSVogP124ojPYPCskD4g6M77Uw5ShhtPnzA== X-Received: by 2002:a05:6512:348a:b0:500:953b:d112 with SMTP id v10-20020a056512348a00b00500953bd112mr7013499lfr.27.1693106888434; Sat, 26 Aug 2023 20:28:08 -0700 (PDT) Received: from umbar.unikie.fi ([192.130.178.91]) by smtp.gmail.com with ESMTPSA id w7-20020ac254a7000000b004fb99da37e3sm955709lfk.220.2023.08.26.20.28.07 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 26 Aug 2023 20:28:08 -0700 (PDT) From: Dmitry Baryshkov To: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Andy Gross , Bjorn Andersson , Konrad Dybcio , Ilia Lin , Viresh Kumar , Nishanth Menon , Stephen Boyd , Michael Turquette , "Rafael J. Wysocki" , Georgi Djakov Cc: linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-pm@vger.kernel.org, linux-clk@vger.kernel.org, Christian Marangi , Stephan Gerhold Subject: [PATCH v4 5/6] cpufreq: qcom-nvmem: provide separate configuration data for apq8064 Date: Sun, 27 Aug 2023 06:28:02 +0300 Message-Id: <20230827032803.934819-6-dmitry.baryshkov@linaro.org> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230827032803.934819-1-dmitry.baryshkov@linaro.org> References: <20230827032803.934819-1-dmitry.baryshkov@linaro.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org APQ8064 can scale core voltage according to the frequency needs. Rather than reusing the A/B format multiplexer, use a simple fuse parsing function and configure required regulator. Signed-off-by: Dmitry Baryshkov --- drivers/cpufreq/qcom-cpufreq-nvmem.c | 49 ++++++++++++++++++++++++++-- 1 file changed, 47 insertions(+), 2 deletions(-) diff --git a/drivers/cpufreq/qcom-cpufreq-nvmem.c b/drivers/cpufreq/qcom-cpufreq-nvmem.c index 81c080b854fe..35e2610c9526 100644 --- a/drivers/cpufreq/qcom-cpufreq-nvmem.c +++ b/drivers/cpufreq/qcom-cpufreq-nvmem.c @@ -26,6 +26,7 @@ #include #include #include +#include #include #include @@ -39,6 +40,7 @@ struct qcom_cpufreq_match_data { char **pvs_name, struct qcom_cpufreq_drv *drv); const char **genpd_names; + const char * const *regulator_names; }; struct qcom_cpufreq_drv { @@ -203,6 +205,34 @@ static int qcom_cpufreq_krait_name_version(struct device *cpu_dev, return ret; } +static int qcom_cpufreq_apq8064_name_version(struct device *cpu_dev, + struct nvmem_cell *speedbin_nvmem, + char **pvs_name, + struct qcom_cpufreq_drv *drv) +{ + int speed = 0, pvs = 0; + u8 *speedbin; + size_t len; + int ret = 0; + + speedbin = nvmem_cell_read(speedbin_nvmem, &len); + if (IS_ERR(speedbin)) + return PTR_ERR(speedbin); + + if (len != 4) + return -EINVAL; + + get_krait_bin_format_a(cpu_dev, &speed, &pvs, speedbin); + + snprintf(*pvs_name, sizeof("speedXX-pvsXX"), "speed%d-pvs%d", + speed, pvs); + + drv->versions = (1 << speed); + + kfree(speedbin); + return ret; +} + static const struct qcom_cpufreq_match_data match_data_kryo = { .get_version = qcom_cpufreq_kryo_name_version, }; @@ -217,6 +247,16 @@ static const struct qcom_cpufreq_match_data match_data_qcs404 = { .genpd_names = qcs404_genpd_names, }; +static const char * apq8064_regulator_names[] = { + "vdd-core", + NULL +}; + +static const struct qcom_cpufreq_match_data match_data_apq8064 = { + .get_version = qcom_cpufreq_apq8064_name_version, + .regulator_names = apq8064_regulator_names, +}; + static int qcom_cpufreq_probe(struct platform_device *pdev) { struct qcom_cpufreq_drv *drv; @@ -304,7 +344,12 @@ static int qcom_cpufreq_probe(struct platform_device *pdev) config.virt_devs = NULL; } - if (config.supported_hw || config.genpd_names) { + if (drv->data->regulator_names) + config.regulator_names = drv->data->regulator_names; + + if (config.supported_hw || + config.genpd_names || + config.regulator_names) { drv->opp_tokens[cpu] = dev_pm_opp_set_config(cpu_dev, &config); if (drv->opp_tokens[cpu] < 0) { ret = drv->opp_tokens[cpu]; @@ -361,7 +406,7 @@ static const struct of_device_id qcom_cpufreq_match_list[] __initconst = { { .compatible = "qcom,msm8996", .data = &match_data_kryo }, { .compatible = "qcom,qcs404", .data = &match_data_qcs404 }, { .compatible = "qcom,ipq8064", .data = &match_data_krait }, - { .compatible = "qcom,apq8064", .data = &match_data_krait }, + { .compatible = "qcom,apq8064", .data = &match_data_apq8064 }, { .compatible = "qcom,msm8974", .data = &match_data_krait }, { .compatible = "qcom,msm8960", .data = &match_data_krait }, {},