From patchwork Thu Sep 3 13:21:02 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dmitry Baryshkov X-Patchwork-Id: 256860 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=-13.1 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, 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 4C9B8C43461 for ; Thu, 3 Sep 2020 14:32:14 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 217CA20BED for ; Thu, 3 Sep 2020 14:32:14 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="iZLw1CfU" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729347AbgICOcK (ORCPT ); Thu, 3 Sep 2020 10:32:10 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35814 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729303AbgICO1m (ORCPT ); Thu, 3 Sep 2020 10:27:42 -0400 Received: from mail-lj1-x241.google.com (mail-lj1-x241.google.com [IPv6:2a00:1450:4864:20::241]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A5064C06121A for ; Thu, 3 Sep 2020 06:21:22 -0700 (PDT) Received: by mail-lj1-x241.google.com with SMTP id k25so3629172ljg.9 for ; Thu, 03 Sep 2020 06:21:22 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=wcVYXgQ5pttw1IKCDgQFlSKYdGXdwjbBjMlIEbUjqiQ=; b=iZLw1CfUpf3zao1xXVpOnJTFOmznOoCWLAU15PeWwd16NwdTP2lGXLKN4iSi6eR0i6 x+zv7dQuz4X0lGxw64dYnfTCDF3jXrFctSGJ1Qb+QeNWWJToXF/bayDRh0USlB20xWU2 xcYHy9v+xKy8bizid6TCyu1VQ/i1vAn+ZYkZk2cstVoPua/zC/DG9cLE91kpZAc022QI inCfL8jDqhQIVS0+/YW/M0U5Dr2hs/eG2r2Kgrzagdw+hTG4alTmxvysUoOrDg9TsXa1 hV4inadOBaQVDQGWmHe6zE2vy9Oz36Hyl8Nt+CDAvzGQefDphw08x4xz00sppiHbMINu t76w== 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:in-reply-to :references:mime-version:content-transfer-encoding; bh=wcVYXgQ5pttw1IKCDgQFlSKYdGXdwjbBjMlIEbUjqiQ=; b=rlM8Rj/s8yoQnii6tsaSH8Eun/1XdYhkpvH5KKB8CV8di5DH7e2rE146xqvPo+kps0 8C1H+yHPXuBDz7rG58PY84zIc7Zbr+blUjRFkFDuaXCXTFTz1rjN9/BpXBUAH8Y76CyF fjITCHkd7qN4SutUB5kGIGzndCPiO7YGRhtkI4rVU3p0mPHLAski2kKmWvd+uNbU68wn zKckD4y3aSzLLRZtpg87yX0miqZzmryKQMXXu5m8ar2gPE3JgFiCKz6FZi6qh+EH5vVx f2lqwoKLTfwk8OhgCyv3+t8si22PsEGvwE1cXYbV8yCkb/gBFewufSmcRmcIj7TfNqeK WQGA== X-Gm-Message-State: AOAM532ruhgyejUvot8ICsOUh35YCsrGB1IeKMKXdtOnlwfnIspuRkf7 yJ6yDccIwSE8tnEzvqP9dR0TuA== X-Google-Smtp-Source: ABdhPJwoWGc8Hxt5nyEATXELirHjbXfeqr2xI0d9g+TZMjeBMrNFljP+NwuSNqU1v5CsQS8IgUQ2yg== X-Received: by 2002:a2e:8215:: with SMTP id w21mr1246122ljg.43.1599139280959; Thu, 03 Sep 2020 06:21:20 -0700 (PDT) Received: from eriador.lan ([188.162.64.138]) by smtp.gmail.com with ESMTPSA id e23sm584220lfj.80.2020.09.03.06.21.18 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 03 Sep 2020 06:21:20 -0700 (PDT) From: Dmitry Baryshkov To: Andy Gross , Bjorn Andersson , Rob Herring , Zhang Rui , Daniel Lezcano , Amit Kucheria , Jonathan Cameron , Hartmut Knaack , Lars-Peter Clausen , Peter Meerwald-Stadler Cc: linux-arm-msm@vger.kernel.org, linux-pm@vger.kernel.org, devicetree@vger.kernel.org, linux-iio@vger.kernel.org, Craig Tatlor Subject: [PATCH v2 2/9] fixp-arith: add a linear interpolation function Date: Thu, 3 Sep 2020 16:21:02 +0300 Message-Id: <20200903132109.1914011-3-dmitry.baryshkov@linaro.org> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20200903132109.1914011-1-dmitry.baryshkov@linaro.org> References: <20200903132109.1914011-1-dmitry.baryshkov@linaro.org> MIME-Version: 1.0 Sender: linux-pm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org From: Craig Tatlor Adds a function to interpolate against two points, this is carried arount as a helper function by tons of drivers. Signed-off-by: Craig Tatlor Signed-off-by: Dmitry Baryshkov --- include/linux/fixp-arith.h | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) diff --git a/include/linux/fixp-arith.h b/include/linux/fixp-arith.h index 8396013785ef..281cb4f83dbe 100644 --- a/include/linux/fixp-arith.h +++ b/include/linux/fixp-arith.h @@ -141,4 +141,23 @@ static inline s32 fixp_sin32_rad(u32 radians, u32 twopi) #define fixp_cos32_rad(rad, twopi) \ fixp_sin32_rad(rad + twopi / 4, twopi) +/** + * fixp_linear_interpolate() - interpolates a value from two known points + * + * @x0: x value of point 0 + * @y0: y value of point 0 + * @x1: x value of point 1 + * @y1: y value of point 1 + * @x: the linear interpolant + */ +static inline int fixp_linear_interpolate(int x0, int y0, int x1, int y1, int x) +{ + if (y0 == y1 || x == x0) + return y0; + if (x1 == x0 || x == x1) + return y1; + + return y0 + ((y1 - y0) * (x - x0) / (x1 - x0)); +} + #endif From patchwork Thu Sep 3 13:21:03 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dmitry Baryshkov X-Patchwork-Id: 249016 Delivered-To: patch@linaro.org Received: by 2002:a92:5b9c:0:0:0:0:0 with SMTP id c28csp515673ilg; Thu, 3 Sep 2020 07:28:11 -0700 (PDT) X-Google-Smtp-Source: ABdhPJxVv1OemBJ6UVu32t4AGuhpXrOd06dt2eAKERkVqcbVONfmnCjbFZN6dfKmVVSt6LJQtenp X-Received: by 2002:a50:ce09:: with SMTP id y9mr3293201edi.91.1599143291297; Thu, 03 Sep 2020 07:28:11 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1599143291; cv=none; d=google.com; s=arc-20160816; b=ogN+HqWg74uZeUSL/0rs8amYdRJE9GP9gYJ0thMGpBd49XSDBTuJqldd47DDV9KsAA QGM9kpLCLGVLF8/bSoG+WcZw97nhSn5wB4y1og8XEQqy0mFue5M9YkTVdYIgNUkyaFDA SX61bPRp/qQiXRlDZcJn7fuPHAWuq+tKl1CWF9x8pp5i8BM5C7YjWPxNZtctF9zU4NXH yagNFbpz7fvP2mTDFSjPlkctqd+VofnF2jNJB2AG40uDeTOH0HoA/ooD6+2bvwBemyCO dqJHR09fn+63e6JxdYxOIYBO/zOMm1ccvnxidAQPVr2fYxDQIbs4gDnIjZWBw9s/5rCn twFQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:content-transfer-encoding:mime-version :references:in-reply-to:message-id:date:subject:cc:to:from :dkim-signature; bh=7BpNBV1cm7la6W1fS6bQ1/MA8BOSMPEWVrrZqzxsT/U=; b=bXWyUd2uhbxN5OrPv/Kxnpj6kHuYUUcm7+wdX6zqOMhXyVnE8hHc6BwN75VM0oahSW kgj8gSxCtS5SGvYOgHIDnZ8yyU+HsnNkazSEOrpxv5Ooj/p6SnmpFT9gqAWgrxCdmKhL BrfJlmio4QJau2R9bYsmRioWzfngosiNTarS6/65wuHBuoxC8X/46qeWjtT/61RsCOqS npNW9ec6fdXjq6kAPI7HFzi11Z0ZtPl/R2zgPDNmbBTfEyz6YOQDwiMYOYs40tX3yrfe 3QPB7rDURqyQIegYtA23cETztcqJGEwo5ii531B+3y0DLDsUwFH4K5rsU1d1WOfaXYV0 oizQ== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@linaro.org header.s=google header.b=uPSaeMXk; spf=pass (google.com: domain of linux-pm-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-pm-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linaro.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id bh4si2133351ejb.629.2020.09.03.07.28.11; Thu, 03 Sep 2020 07:28:11 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-pm-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@linaro.org header.s=google header.b=uPSaeMXk; spf=pass (google.com: domain of linux-pm-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-pm-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linaro.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728991AbgICO2H (ORCPT + 10 others); Thu, 3 Sep 2020 10:28:07 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35730 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729339AbgICO0z (ORCPT ); Thu, 3 Sep 2020 10:26:55 -0400 Received: from mail-lj1-x244.google.com (mail-lj1-x244.google.com [IPv6:2a00:1450:4864:20::244]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 07144C061232 for ; Thu, 3 Sep 2020 06:21:25 -0700 (PDT) Received: by mail-lj1-x244.google.com with SMTP id a15so3713544ljk.2 for ; Thu, 03 Sep 2020 06:21:25 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=7BpNBV1cm7la6W1fS6bQ1/MA8BOSMPEWVrrZqzxsT/U=; b=uPSaeMXkyyLRBBA3MYvntJnZEFfHwEXbgHJfpigdMMBXoCspXzjGGR09GfuzAJb0Ag XjpFBnf150tzC/9LbDcUxz/mrsMjDJtY8KbhSQUg8tOFd90cgGE9fVNcbjsAoobdE2QJ fqwgByejHDBBL8kM4+Gns9fPLmZVC2c7qEH/465A1+TCLiW+Q5kHfX95XmHU49OxmZM4 n6+JJOBUzbxDGCMN2wh+IhqGOqVQvBvIAzOj75xrPIB2jrs6ZMtifzMsAWmlVv9iTaV2 SsZdFdWfTbL9fvUSNBLHy36Q8MtVueIKGDAlTCAM7x0GtnOoiI6DkwbqPQQYOuljCFtz pEKQ== 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:in-reply-to :references:mime-version:content-transfer-encoding; bh=7BpNBV1cm7la6W1fS6bQ1/MA8BOSMPEWVrrZqzxsT/U=; b=oWfRUqGK7lxQ6jdSGNRhzzh/teFU1/JpV49I+0e1GulAZ4xjSoyXKYMH6CNcBHgFms vr8QQ4ERtcLOLDjIJA7mmMD6tsn3PmcvaWtqKjjQjQaHX377in40zAl11yHaVtyPcQUO cfNpuJLt4Y08R4T2FSNwKbFMDNZY+aomLWsSg9c+20HwGzM/zfLjoqJ0Hyt/F+Dc2DTx n6ohKyYH4r45FjXzWW7UgifgQ1ZhoHeiHWk4CUth6E5A4V5zz3ica2mFcY1g46ShM4n/ eTFZUBIkpJ5+5dbZvuERGhIQPVSZofwsM5Nlo/x6F5wPRk/XDWpdWthfpDnzZ4gKeWJb Ybrg== X-Gm-Message-State: AOAM532u0EurJfOtCZuUBNhHI8wpvD4trfRa/zkKUjcG+QZMDSmiebcY A/FxNi6M5ranMMuLdKQBp/poQA== X-Received: by 2002:a2e:b4e5:: with SMTP id s5mr1237015ljm.153.1599139283639; Thu, 03 Sep 2020 06:21:23 -0700 (PDT) Received: from eriador.lan ([188.162.64.138]) by smtp.gmail.com with ESMTPSA id e23sm584220lfj.80.2020.09.03.06.21.21 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 03 Sep 2020 06:21:22 -0700 (PDT) From: Dmitry Baryshkov To: Andy Gross , Bjorn Andersson , Rob Herring , Zhang Rui , Daniel Lezcano , Amit Kucheria , Jonathan Cameron , Hartmut Knaack , Lars-Peter Clausen , Peter Meerwald-Stadler Cc: linux-arm-msm@vger.kernel.org, linux-pm@vger.kernel.org, devicetree@vger.kernel.org, linux-iio@vger.kernel.org Subject: [PATCH v2 3/9] iio: adc: qcom-vadc: move several adc5 functions to common file Date: Thu, 3 Sep 2020 16:21:03 +0300 Message-Id: <20200903132109.1914011-4-dmitry.baryshkov@linaro.org> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20200903132109.1914011-1-dmitry.baryshkov@linaro.org> References: <20200903132109.1914011-1-dmitry.baryshkov@linaro.org> MIME-Version: 1.0 Sender: linux-pm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org ADC-TM5 driver will make use of several functions from ADC5 driver. Move them to qcom-vadc-common driver. Signed-off-by: Dmitry Baryshkov --- drivers/iio/adc/qcom-spmi-adc5.c | 75 +++--------------------------- drivers/iio/adc/qcom-vadc-common.c | 68 ++++++++++++++++++++++++++- drivers/iio/adc/qcom-vadc-common.h | 10 +++- 3 files changed, 82 insertions(+), 71 deletions(-) -- 2.28.0 diff --git a/drivers/iio/adc/qcom-spmi-adc5.c b/drivers/iio/adc/qcom-spmi-adc5.c index b4b73c9920b4..30b8867b31e4 100644 --- a/drivers/iio/adc/qcom-spmi-adc5.c +++ b/drivers/iio/adc/qcom-spmi-adc5.c @@ -154,18 +154,6 @@ struct adc5_chip { const struct adc5_data *data; }; -static const struct vadc_prescale_ratio adc5_prescale_ratios[] = { - {.num = 1, .den = 1}, - {.num = 1, .den = 3}, - {.num = 1, .den = 4}, - {.num = 1, .den = 6}, - {.num = 1, .den = 20}, - {.num = 1, .den = 8}, - {.num = 10, .den = 81}, - {.num = 1, .den = 10}, - {.num = 1, .den = 16} -}; - static int adc5_read(struct adc5_chip *adc, u16 offset, u8 *data, int len) { return regmap_bulk_read(adc->regmap, adc->base + offset, data, len); @@ -181,55 +169,6 @@ static int adc5_masked_write(struct adc5_chip *adc, u16 offset, u8 mask, u8 val) return regmap_update_bits(adc->regmap, adc->base + offset, mask, val); } -static int adc5_prescaling_from_dt(u32 num, u32 den) -{ - unsigned int pre; - - for (pre = 0; pre < ARRAY_SIZE(adc5_prescale_ratios); pre++) - if (adc5_prescale_ratios[pre].num == num && - adc5_prescale_ratios[pre].den == den) - break; - - if (pre == ARRAY_SIZE(adc5_prescale_ratios)) - return -EINVAL; - - return pre; -} - -static int adc5_hw_settle_time_from_dt(u32 value, - const unsigned int *hw_settle) -{ - unsigned int i; - - for (i = 0; i < VADC_HW_SETTLE_SAMPLES_MAX; i++) { - if (value == hw_settle[i]) - return i; - } - - return -EINVAL; -} - -static int adc5_avg_samples_from_dt(u32 value) -{ - if (!is_power_of_2(value) || value > ADC5_AVG_SAMPLES_MAX) - return -EINVAL; - - return __ffs(value); -} - -static int adc5_decimation_from_dt(u32 value, - const unsigned int *decimation) -{ - unsigned int i; - - for (i = 0; i < ADC5_DECIMATION_SAMPLES_MAX; i++) { - if (value == decimation[i]) - return i; - } - - return -EINVAL; -} - static int adc5_read_voltage_data(struct adc5_chip *adc, u16 *data) { int ret; @@ -511,7 +450,7 @@ static int adc_read_raw_common(struct iio_dev *indio_dev, return ret; ret = qcom_adc5_hw_scale(prop->scale_fn_type, - &adc5_prescale_ratios[prop->prescale], + prop->prescale, adc->data, adc_code_volt, val); if (ret) @@ -717,7 +656,7 @@ static int adc5_get_dt_channel_data(struct adc5_chip *adc, ret = of_property_read_u32(node, "qcom,decimation", &value); if (!ret) { - ret = adc5_decimation_from_dt(value, data->decimation); + ret = qcom_adc5_decimation_from_dt(value, data->decimation); if (ret < 0) { dev_err(dev, "%02x invalid decimation %d\n", chan, value); @@ -730,7 +669,7 @@ static int adc5_get_dt_channel_data(struct adc5_chip *adc, ret = of_property_read_u32_array(node, "qcom,pre-scaling", varr, 2); if (!ret) { - ret = adc5_prescaling_from_dt(varr[0], varr[1]); + ret = qcom_adc5_prescaling_from_dt(varr[0], varr[1]); if (ret < 0) { dev_err(dev, "%02x invalid pre-scaling <%d %d>\n", chan, varr[0], varr[1]); @@ -759,11 +698,9 @@ static int adc5_get_dt_channel_data(struct adc5_chip *adc, if ((dig_version[0] >= ADC5_HW_SETTLE_DIFF_MINOR && dig_version[1] >= ADC5_HW_SETTLE_DIFF_MAJOR) || adc->data->info == &adc7_info) - ret = adc5_hw_settle_time_from_dt(value, - data->hw_settle_2); + ret = qcom_adc5_hw_settle_time_from_dt(value, data->hw_settle_2); else - ret = adc5_hw_settle_time_from_dt(value, - data->hw_settle_1); + ret = qcom_adc5_hw_settle_time_from_dt(value, data->hw_settle_1); if (ret < 0) { dev_err(dev, "%02x invalid hw-settle-time %d us\n", @@ -777,7 +714,7 @@ static int adc5_get_dt_channel_data(struct adc5_chip *adc, ret = of_property_read_u32(node, "qcom,avg-samples", &value); if (!ret) { - ret = adc5_avg_samples_from_dt(value); + ret = qcom_adc5_avg_samples_from_dt(value); if (ret < 0) { dev_err(dev, "%02x invalid avg-samples %d\n", chan, value); diff --git a/drivers/iio/adc/qcom-vadc-common.c b/drivers/iio/adc/qcom-vadc-common.c index 5113aaa6ba67..d11f3343ad52 100644 --- a/drivers/iio/adc/qcom-vadc-common.c +++ b/drivers/iio/adc/qcom-vadc-common.c @@ -278,6 +278,18 @@ static const struct vadc_map_pt adcmap7_100k[] = { { 2420, 130048 } }; +static const struct vadc_prescale_ratio adc5_prescale_ratios[] = { + {.num = 1, .den = 1}, + {.num = 1, .den = 3}, + {.num = 1, .den = 4}, + {.num = 1, .den = 6}, + {.num = 1, .den = 20}, + {.num = 1, .den = 8}, + {.num = 10, .den = 81}, + {.num = 1, .den = 10}, + {.num = 1, .den = 16} +}; + static int qcom_vadc_scale_hw_calib_volt( const struct vadc_prescale_ratio *prescale, const struct adc5_data *data, @@ -647,10 +659,12 @@ int qcom_vadc_scale(enum vadc_scale_fn_type scaletype, EXPORT_SYMBOL(qcom_vadc_scale); int qcom_adc5_hw_scale(enum vadc_scale_fn_type scaletype, - const struct vadc_prescale_ratio *prescale, + unsigned int prescale_ratio, const struct adc5_data *data, u16 adc_code, int *result) { + const struct vadc_prescale_ratio *prescale = &adc5_prescale_ratios[prescale_ratio]; + if (!(scaletype >= SCALE_HW_CALIB_DEFAULT && scaletype < SCALE_HW_CALIB_INVALID)) { pr_err("Invalid scale type %d\n", scaletype); @@ -662,6 +676,58 @@ int qcom_adc5_hw_scale(enum vadc_scale_fn_type scaletype, } EXPORT_SYMBOL(qcom_adc5_hw_scale); +int qcom_adc5_prescaling_from_dt(u32 num, u32 den) +{ + unsigned int pre; + + for (pre = 0; pre < ARRAY_SIZE(adc5_prescale_ratios); pre++) + if (adc5_prescale_ratios[pre].num == num && + adc5_prescale_ratios[pre].den == den) + break; + + if (pre == ARRAY_SIZE(adc5_prescale_ratios)) + return -EINVAL; + + return pre; +} +EXPORT_SYMBOL(qcom_adc5_prescaling_from_dt); + +int qcom_adc5_hw_settle_time_from_dt(u32 value, + const unsigned int *hw_settle) +{ + unsigned int i; + + for (i = 0; i < VADC_HW_SETTLE_SAMPLES_MAX; i++) { + if (value == hw_settle[i]) + return i; + } + + return -EINVAL; +} +EXPORT_SYMBOL(qcom_adc5_hw_settle_time_from_dt); + +int qcom_adc5_avg_samples_from_dt(u32 value) +{ + if (!is_power_of_2(value) || value > ADC5_AVG_SAMPLES_MAX) + return -EINVAL; + + return __ffs(value); +} +EXPORT_SYMBOL(qcom_adc5_avg_samples_from_dt); + +int qcom_adc5_decimation_from_dt(u32 value, const unsigned int *decimation) +{ + unsigned int i; + + for (i = 0; i < ADC5_DECIMATION_SAMPLES_MAX; i++) { + if (value == decimation[i]) + return i; + } + + return -EINVAL; +} +EXPORT_SYMBOL(qcom_adc5_decimation_from_dt); + int qcom_vadc_decimation_from_dt(u32 value) { if (!is_power_of_2(value) || value < VADC_DECIMATION_MIN || diff --git a/drivers/iio/adc/qcom-vadc-common.h b/drivers/iio/adc/qcom-vadc-common.h index 17b2fc4d8bf2..7e5f6428e311 100644 --- a/drivers/iio/adc/qcom-vadc-common.h +++ b/drivers/iio/adc/qcom-vadc-common.h @@ -168,10 +168,18 @@ struct qcom_adc5_scale_type { }; int qcom_adc5_hw_scale(enum vadc_scale_fn_type scaletype, - const struct vadc_prescale_ratio *prescale, + unsigned int prescale_ratio, const struct adc5_data *data, u16 adc_code, int *result_mdec); +int qcom_adc5_prescaling_from_dt(u32 num, u32 den); + +int qcom_adc5_hw_settle_time_from_dt(u32 value, const unsigned int *hw_settle); + +int qcom_adc5_avg_samples_from_dt(u32 value); + +int qcom_adc5_decimation_from_dt(u32 value, const unsigned int *decimation); + int qcom_vadc_decimation_from_dt(u32 value); #endif /* QCOM_VADC_COMMON_H */ From patchwork Thu Sep 3 13:21:04 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dmitry Baryshkov X-Patchwork-Id: 256854 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=-13.1 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, 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 03F77C433E9 for ; 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Thu, 03 Sep 2020 06:21:25 -0700 (PDT) Received: from eriador.lan ([188.162.64.138]) by smtp.gmail.com with ESMTPSA id e23sm584220lfj.80.2020.09.03.06.21.23 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 03 Sep 2020 06:21:25 -0700 (PDT) From: Dmitry Baryshkov To: Andy Gross , Bjorn Andersson , Rob Herring , Zhang Rui , Daniel Lezcano , Amit Kucheria , Jonathan Cameron , Hartmut Knaack , Lars-Peter Clausen , Peter Meerwald-Stadler Cc: linux-arm-msm@vger.kernel.org, linux-pm@vger.kernel.org, devicetree@vger.kernel.org, linux-iio@vger.kernel.org Subject: [PATCH v2 4/9] iio: adc: qcom-vadc-common: use fixp_linear_interpolate Date: Thu, 3 Sep 2020 16:21:04 +0300 Message-Id: <20200903132109.1914011-5-dmitry.baryshkov@linaro.org> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20200903132109.1914011-1-dmitry.baryshkov@linaro.org> References: <20200903132109.1914011-1-dmitry.baryshkov@linaro.org> MIME-Version: 1.0 Sender: linux-pm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org Use new function fixp_linear_interpolate() instead of hand-coding the linar interpolation. Signed-off-by: Dmitry Baryshkov --- drivers/iio/adc/qcom-vadc-common.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/iio/adc/qcom-vadc-common.c b/drivers/iio/adc/qcom-vadc-common.c index d11f3343ad52..40d77b3af1bb 100644 --- a/drivers/iio/adc/qcom-vadc-common.c +++ b/drivers/iio/adc/qcom-vadc-common.c @@ -2,6 +2,7 @@ #include #include #include +#include #include #include #include @@ -368,10 +369,9 @@ static int qcom_vadc_map_voltage_temp(const struct vadc_map_pt *pts, } else { /* result is between search_index and search_index-1 */ /* interpolate linearly */ - *output = (((s32)((pts[i].y - pts[i - 1].y) * - (input - pts[i - 1].x)) / - (pts[i].x - pts[i - 1].x)) + - pts[i - 1].y); + *output = fixp_linear_interpolate(pts[i - 1].x, pts[i - 1].y, + pts[i].x, pts[i].y, + input); } return 0; From patchwork Thu Sep 3 13:21:05 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dmitry Baryshkov X-Patchwork-Id: 256853 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=-13.1 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, 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 9B18EC433E9 for ; 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Thu, 03 Sep 2020 06:21:28 -0700 (PDT) Received: from eriador.lan ([188.162.64.138]) by smtp.gmail.com with ESMTPSA id e23sm584220lfj.80.2020.09.03.06.21.26 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 03 Sep 2020 06:21:27 -0700 (PDT) From: Dmitry Baryshkov To: Andy Gross , Bjorn Andersson , Rob Herring , Zhang Rui , Daniel Lezcano , Amit Kucheria , Jonathan Cameron , Hartmut Knaack , Lars-Peter Clausen , Peter Meerwald-Stadler Cc: linux-arm-msm@vger.kernel.org, linux-pm@vger.kernel.org, devicetree@vger.kernel.org, linux-iio@vger.kernel.org Subject: [PATCH v2 5/9] iio: adc: qcom-spmi-adc5: fix driver name Date: Thu, 3 Sep 2020 16:21:05 +0300 Message-Id: <20200903132109.1914011-6-dmitry.baryshkov@linaro.org> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20200903132109.1914011-1-dmitry.baryshkov@linaro.org> References: <20200903132109.1914011-1-dmitry.baryshkov@linaro.org> MIME-Version: 1.0 Sender: linux-pm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org Remove superfluous '.c' from qcom-spmi-adc5 device driver name. Signed-off-by: Dmitry Baryshkov --- drivers/iio/adc/qcom-spmi-adc5.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/iio/adc/qcom-spmi-adc5.c b/drivers/iio/adc/qcom-spmi-adc5.c index 30b8867b31e4..c2da8f068b87 100644 --- a/drivers/iio/adc/qcom-spmi-adc5.c +++ b/drivers/iio/adc/qcom-spmi-adc5.c @@ -919,7 +919,7 @@ static int adc5_probe(struct platform_device *pdev) static struct platform_driver adc5_driver = { .driver = { - .name = "qcom-spmi-adc5.c", + .name = "qcom-spmi-adc5", .of_match_table = adc5_match_table, }, .probe = adc5_probe, From patchwork Thu Sep 3 13:21:07 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dmitry Baryshkov X-Patchwork-Id: 256855 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=-13.1 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, 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 E4F85C433E9 for ; Thu, 3 Sep 2020 15:02:51 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id A82C520786 for ; Thu, 3 Sep 2020 15:02:51 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="GolWSDct" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729036AbgICPCt (ORCPT ); Thu, 3 Sep 2020 11:02:49 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59168 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729043AbgICN6z (ORCPT ); Thu, 3 Sep 2020 09:58:55 -0400 Received: from mail-lj1-x241.google.com (mail-lj1-x241.google.com [IPv6:2a00:1450:4864:20::241]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B1E76C0619C2 for ; Thu, 3 Sep 2020 06:21:34 -0700 (PDT) Received: by mail-lj1-x241.google.com with SMTP id k25so3630079ljg.9 for ; Thu, 03 Sep 2020 06:21:34 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=NJ6dnvU6tawXGRSTiBP3anVjiYXIVlH9Ps9tz0zz888=; b=GolWSDctM+KfzQckYaqoCbMGtHVAaUo7qufck4NB76mB0tLIyoA/zoe8FDXhKQre3f DEgS/7hpzO4WC0ffObC8hYw4feSyVMrZtXBUbBRh+9cJAPiH4/PYtqSp6fDU2whxdHlC y9TxEvvMrtHRvmwGAxCP1xL++4ph5RV/jKJ+iVI+vEPnn8JQcruWeNif7hgGsZa1mJhW qzNk4hDFK4aRsGaEBVOYDYY0/NkLvTn3q+mzSDRAkqoayj0dQ5uNDlWHSzbz0IDN8cvk 0WapM6uVuxfu+dA8xwKAbni73ILvIbrUYIfYfCFzNp7ienKBr7Jg/KnplSnQCmX3a6gX keqw== 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:in-reply-to :references:mime-version:content-transfer-encoding; bh=NJ6dnvU6tawXGRSTiBP3anVjiYXIVlH9Ps9tz0zz888=; b=Bt5fAGjRF/cKyq4I8+7gyA0ND73qVtC7WsLLU2TwTPbmeHmItc3tpFhzTDkR7aJvK7 PeO4QjIfsbCkWuTRA1BAc25L9AP9syj9jbCo+LfmLhuqYy3Nv7p+CO9/ljX/tjfB80FV ri43jPPB/uV7SXh8FV4ek9QzBjuIZLssdDeTlATENQsflvPFF13JPVP2oVF73fdRusqc u3rm8lG3QonjkzLtB1iIWFQPfduPA8UBzzFBKqM3YWvGVItbMnzb+sE77yl0T+/ZyKpK qz+oWkLJ6GBF6YL5QDQhwAa+EVUpJGI/9rTB4wsKrYYFRECXFODLf18+HDaXCCESZ07H XFgg== X-Gm-Message-State: AOAM5315xmejHlRXu6tzU/zEPhukMc9uis+fPQxFHPPZcNOCwRJmrn74 ng63k0FBKPCz1GduzrIARO58pLiQ15CxUQ== X-Google-Smtp-Source: ABdhPJxgbRcwt17Fe1oZSLAG1sKRCg/l0mN4oHfN4nI1Xv0vr1wyFE5Ae7ujoQUAqKPFW2QMMeN5lg== X-Received: by 2002:a2e:9b0a:: with SMTP id u10mr1206378lji.275.1599139292977; Thu, 03 Sep 2020 06:21:32 -0700 (PDT) Received: from eriador.lan ([188.162.64.138]) by smtp.gmail.com with ESMTPSA id e23sm584220lfj.80.2020.09.03.06.21.30 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 03 Sep 2020 06:21:32 -0700 (PDT) From: Dmitry Baryshkov To: Andy Gross , Bjorn Andersson , Rob Herring , Zhang Rui , Daniel Lezcano , Amit Kucheria , Jonathan Cameron , Hartmut Knaack , Lars-Peter Clausen , Peter Meerwald-Stadler Cc: linux-arm-msm@vger.kernel.org, linux-pm@vger.kernel.org, devicetree@vger.kernel.org, linux-iio@vger.kernel.org Subject: [PATCH v2 7/9] thermal: qcom: add support for adc-tm5 PMIC thermal monitor Date: Thu, 3 Sep 2020 16:21:07 +0300 Message-Id: <20200903132109.1914011-8-dmitry.baryshkov@linaro.org> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20200903132109.1914011-1-dmitry.baryshkov@linaro.org> References: <20200903132109.1914011-1-dmitry.baryshkov@linaro.org> MIME-Version: 1.0 Sender: linux-pm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org Add support for Thermal Monitoring part of PMIC5. This part is closely coupled with ADC, using it's channels directly. ADC-TM support generating interrupts on ADC value crossing low or high voltage bounds, which is used to support thermal trip points. Signed-off-by: Dmitry Baryshkov --- drivers/iio/adc/qcom-vadc-common.c | 74 ++- drivers/iio/adc/qcom-vadc-common.h | 3 + drivers/thermal/qcom/Kconfig | 11 + drivers/thermal/qcom/Makefile | 1 + drivers/thermal/qcom/qcom-spmi-adc-tm5.c | 565 +++++++++++++++++++++++ 5 files changed, 648 insertions(+), 6 deletions(-) create mode 100644 drivers/thermal/qcom/qcom-spmi-adc-tm5.c diff --git a/drivers/iio/adc/qcom-vadc-common.c b/drivers/iio/adc/qcom-vadc-common.c index 40d77b3af1bb..fbdf501954ed 100644 --- a/drivers/iio/adc/qcom-vadc-common.c +++ b/drivers/iio/adc/qcom-vadc-common.c @@ -377,6 +377,42 @@ static int qcom_vadc_map_voltage_temp(const struct vadc_map_pt *pts, return 0; } +static s32 qcom_vadc_map_temp_voltage(const struct vadc_map_pt *pts, + u32 tablesize, int input) +{ + bool descending = 1; + u32 i = 0; + + /* Check if table is descending or ascending */ + if (tablesize > 1) { + if (pts[0].y < pts[1].y) + descending = 0; + } + + while (i < tablesize) { + if (descending && pts[i].y < input) { + /* table entry is less than measured*/ + /* value and table is descending, stop */ + break; + } else if ((!descending) && pts[i].y > input) { + /* table entry is greater than measured*/ + /*value and table is ascending, stop */ + break; + } + i++; + } + + if (i == 0) + return pts[0].x; + if (i == tablesize) + return pts[tablesize - 1].x; + + /* result is between search_index and search_index-1 */ + /* interpolate linearly */ + return fixp_linear_interpolate(pts[i - 1].y, pts[i - 1].x, + pts[i].y, pts[i].x, input); +} + static void qcom_vadc_scale_calib(const struct vadc_linear_graph *calib_graph, u16 adc_code, bool absolute, @@ -474,10 +510,23 @@ static int qcom_vadc_scale_chg_temp(const struct vadc_linear_graph *calib_graph, return 0; } +static u16 qcom_vadc_scale_voltage_code(int voltage, + const struct vadc_prescale_ratio *prescale, + const u32 full_scale_code_volt, + unsigned int factor) +{ + s64 volt = voltage, adc_vdd_ref_mv = 1875; + + volt *= prescale->num * factor * full_scale_code_volt; + volt = div64_s64(volt, (s64)prescale->den * adc_vdd_ref_mv * 1000); + + return volt; +} + static int qcom_vadc_scale_code_voltage_factor(u16 adc_code, - const struct vadc_prescale_ratio *prescale, - const struct adc5_data *data, - unsigned int factor) + const struct vadc_prescale_ratio *prescale, + const struct adc5_data *data, + unsigned int factor) { s64 voltage, temp, adc_vdd_ref_mv = 1875; @@ -658,10 +707,23 @@ int qcom_vadc_scale(enum vadc_scale_fn_type scaletype, } EXPORT_SYMBOL(qcom_vadc_scale); +u16 qcom_adc_tm5_temp_volt_scale(unsigned int prescale_ratio, + u32 full_scale_code_volt, int temp) +{ + const struct vadc_prescale_ratio *prescale = &adc5_prescale_ratios[prescale_ratio]; + s32 voltage; + + voltage = qcom_vadc_map_temp_voltage(adcmap_100k_104ef_104fb_1875_vref, + ARRAY_SIZE(adcmap_100k_104ef_104fb_1875_vref), + temp); + return qcom_vadc_scale_voltage_code(voltage, prescale, full_scale_code_volt, 1000); +} +EXPORT_SYMBOL(qcom_adc_tm5_temp_volt_scale); + int qcom_adc5_hw_scale(enum vadc_scale_fn_type scaletype, - unsigned int prescale_ratio, - const struct adc5_data *data, - u16 adc_code, int *result) + unsigned int prescale_ratio, + const struct adc5_data *data, + u16 adc_code, int *result) { const struct vadc_prescale_ratio *prescale = &adc5_prescale_ratios[prescale_ratio]; diff --git a/drivers/iio/adc/qcom-vadc-common.h b/drivers/iio/adc/qcom-vadc-common.h index 7e5f6428e311..9af41201ad77 100644 --- a/drivers/iio/adc/qcom-vadc-common.h +++ b/drivers/iio/adc/qcom-vadc-common.h @@ -172,6 +172,9 @@ int qcom_adc5_hw_scale(enum vadc_scale_fn_type scaletype, const struct adc5_data *data, u16 adc_code, int *result_mdec); +u16 qcom_adc_tm5_temp_volt_scale(unsigned int prescale_ratio, + u32 full_scale_code_volt, int temp); + int qcom_adc5_prescaling_from_dt(u32 num, u32 den); int qcom_adc5_hw_settle_time_from_dt(u32 value, const unsigned int *hw_settle); diff --git a/drivers/thermal/qcom/Kconfig b/drivers/thermal/qcom/Kconfig index aa9c1d80fae4..8d5ac2df26dc 100644 --- a/drivers/thermal/qcom/Kconfig +++ b/drivers/thermal/qcom/Kconfig @@ -10,6 +10,17 @@ config QCOM_TSENS Also able to set threshold temperature for both hot and cold and update when a threshold is reached. +config QCOM_SPMI_ADC_TM5 + tristate "Qualcomm SPMI PMIC Thermal Monitor ADC5" + depends on OF && SPMI && IIO + select REGMAP_SPMI + select QCOM_VADC_COMMON + help + This enables the thermal driver for the ADC thermal monitoring + device. It shows up as a thermal zone with multiple trip points. + Thermal client sets threshold temperature for both warm and cool and + gets updated when a threshold is reached. + config QCOM_SPMI_TEMP_ALARM tristate "Qualcomm SPMI PMIC Temperature Alarm" depends on OF && SPMI && IIO diff --git a/drivers/thermal/qcom/Makefile b/drivers/thermal/qcom/Makefile index ec86eef7f6a6..252ea7d9da0b 100644 --- a/drivers/thermal/qcom/Makefile +++ b/drivers/thermal/qcom/Makefile @@ -3,4 +3,5 @@ obj-$(CONFIG_QCOM_TSENS) += qcom_tsens.o qcom_tsens-y += tsens.o tsens-v2.o tsens-v1.o tsens-v0_1.o \ tsens-8960.o +obj-$(CONFIG_QCOM_SPMI_ADC_TM5) += qcom-spmi-adc-tm5.o obj-$(CONFIG_QCOM_SPMI_TEMP_ALARM) += qcom-spmi-temp-alarm.o diff --git a/drivers/thermal/qcom/qcom-spmi-adc-tm5.c b/drivers/thermal/qcom/qcom-spmi-adc-tm5.c new file mode 100644 index 000000000000..367050a9764b --- /dev/null +++ b/drivers/thermal/qcom/qcom-spmi-adc-tm5.c @@ -0,0 +1,565 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Copyright (c) 2012-2020, The Linux Foundation. All rights reserved. + * Copyright (c) 2020 Linaro Limited + */ + +#include +#include +#include +#include +#include +#include +#include +#include + +#include "../../iio/adc/qcom-vadc-common.h" + +#define ADC5_MAX_CHANNEL 0xc0 +#define ADC_TM5_NUM_CHANNELS 8 + +#define ADC_TM5_STATUS_LOW 0x0a + +#define ADC_TM5_STATUS_HIGH 0x0b + +#define ADC_TM5_NUM_BTM 0x0f + +#define ADC_TM5_ADC_DIG_PARAM 0x42 + +#define ADC_TM5_FAST_AVG_CTL (ADC_TM5_ADC_DIG_PARAM + 1) +#define ADC_TM5_FAST_AVG_EN BIT(7) + +#define ADC_TM5_MEAS_INTERVAL_CTL (ADC_TM5_ADC_DIG_PARAM + 2) +#define ADC_TM5_TIMER1 3 /* 3.9ms */ + +#define ADC_TM5_MEAS_INTERVAL_CTL2 (ADC_TM5_ADC_DIG_PARAM + 3) +#define ADC_TM5_MEAS_INTERVAL_CTL2_MASK 0xf0 +#define ADC_TM5_TIMER2 10 /* 1 second */ +#define ADC_TM5_MEAS_INTERVAL_CTL3_MASK 0xf +#define ADC_TM5_TIMER3 4 /* 4 second */ + +#define ADC_TM5_M_CHAN_BASE 0x60 + +#define ADC_TM5_M_ADC_CH_SEL_CTL(n) (ADC_TM5_M_CHAN_BASE + ((n) * 8) + 0) +#define ADC_TM5_M_LOW_THR0(n) (ADC_TM5_M_CHAN_BASE + ((n) * 8) + 1) +#define ADC_TM5_M_LOW_THR1(n) (ADC_TM5_M_CHAN_BASE + ((n) * 8) + 2) +#define ADC_TM5_M_HIGH_THR0(n) (ADC_TM5_M_CHAN_BASE + ((n) * 8) + 3) +#define ADC_TM5_M_HIGH_THR1(n) (ADC_TM5_M_CHAN_BASE + ((n) * 8) + 4) +#define ADC_TM5_M_MEAS_INTERVAL_CTL(n) (ADC_TM5_M_CHAN_BASE + ((n) * 8) + 5) +#define ADC_TM5_M_CTL(n) (ADC_TM5_M_CHAN_BASE + ((n) * 8) + 6) +#define ADC_TM5_M_CTL_HW_SETTLE_DELAY_MASK 0xf +#define ADC_TM5_M_CTL_CAL_SEL_MASK 0x30 +#define ADC_TM5_M_CTL_CAL_VAL 0x40 +#define ADC_TM5_M_EN(n) (ADC_TM5_M_CHAN_BASE + ((n) * 8) + 7) +#define ADC_TM5_M_MEAS_EN BIT(7) +#define ADC_TM5_M_HIGH_THR_INT_EN BIT(1) +#define ADC_TM5_M_LOW_THR_INT_EN BIT(0) + +enum adc5_timer_select { + ADC5_TIMER_SEL_1 = 0, + ADC5_TIMER_SEL_2, + ADC5_TIMER_SEL_3, + ADC5_TIMER_SEL_NONE, +}; + +struct adc_tm5_data { + const u32 full_scale_code_volt; + unsigned int *decimation; + unsigned int *hw_settle; +}; + +enum adc_tm5_cal_method { + ADC_TM5_NO_CAL = 0, + ADC_TM5_RATIOMETRIC_CAL, + ADC_TM5_ABSOLUTE_CAL +}; + +struct adc_tm5_chip; + +struct adc_tm5_channel { + unsigned int channel; + unsigned int adc_channel; + enum adc_tm5_cal_method cal_method; + unsigned int prescale; + unsigned int hw_settle_time; + struct iio_channel *iio; + struct adc_tm5_chip *chip; + struct thermal_zone_device *tzd; +}; + +/** + * struct adc_tm5_chip - ADC Thermal Monitoring properties + * @nchannels: amount of channels defined/allocated + * @decimation: sampling rate supported for the channel. + * @avg_samples: ability to provide single result from the ADC + * that is an average of multiple measurements. + * @base: base address of TM registers. + */ +struct adc_tm5_chip { + struct regmap *regmap; + struct device *dev; + const struct adc_tm5_data *data; + struct adc_tm5_channel *channels; + unsigned int nchannels; + unsigned int decimation; + unsigned int avg_samples; + u16 base; +}; + +static const struct adc_tm5_data adc_tm5_data_pmic = { + .full_scale_code_volt = 0x70e4, + .decimation = (unsigned int []) {250, 420, 840}, + .hw_settle = (unsigned int []) {15, 100, 200, 300, 400, 500, 600, 700, + 1, 2, 4, 8, 16, 32, 64, 128}, +}; + +static int adc_tm5_read(struct adc_tm5_chip *adc_tm, u16 offset, u8 *data, int len) +{ + return regmap_bulk_read(adc_tm->regmap, adc_tm->base + offset, data, len); +} + +static int adc_tm5_write(struct adc_tm5_chip *adc_tm, u16 offset, u8 *data, int len) +{ + return regmap_bulk_write(adc_tm->regmap, adc_tm->base + offset, data, len); +} + +static int adc_tm5_reg_update(struct adc_tm5_chip *adc_tm, u16 offset, u8 mask, u8 val) +{ + return regmap_write_bits(adc_tm->regmap, adc_tm->base + offset, mask, val); +} + +static irqreturn_t adc_tm5_isr(int irq, void *data) +{ + struct adc_tm5_chip *chip = data; + u8 status_low, status_high, ctl; + int ret = 0, i = 0; + + ret = adc_tm5_read(chip, ADC_TM5_STATUS_LOW, &status_low, 1); + if (ret) { + dev_err(chip->dev, "read status low failed with %d\n", ret); + return IRQ_HANDLED; + } + + ret = adc_tm5_read(chip, ADC_TM5_STATUS_HIGH, &status_high, 1); + if (ret) { + dev_err(chip->dev, "read status high failed with %d\n", ret); + return IRQ_HANDLED; + } + + for (i = 0; i < chip->nchannels; i++) { + bool upper_set = false, lower_set = false; + unsigned int ch = chip->channels[i].channel; + + if (!chip->channels[i].tzd) { + dev_err_once(chip->dev, "thermal device not found\n"); + continue; + } + + ret = adc_tm5_read(chip, ADC_TM5_M_EN(ch), &ctl, 1); + + if (ret) { + dev_err(chip->dev, "ctl read failed with %d\n", ret); + continue; + } + + lower_set = (status_low & BIT(ch)) && + (ctl & ADC_TM5_M_MEAS_EN) && + (ctl & ADC_TM5_M_LOW_THR_INT_EN); + + upper_set = (status_high & BIT(ch)) && + (ctl & ADC_TM5_M_MEAS_EN) && + (ctl & ADC_TM5_M_HIGH_THR_INT_EN); + + if (upper_set || lower_set) + thermal_zone_device_update(chip->channels[i].tzd, + THERMAL_EVENT_UNSPECIFIED); + } + + return IRQ_HANDLED; +} + +static int adc_tm5_get_temp(void *data, int *temp) +{ + struct adc_tm5_channel *channel = data; + int ret, milli_celsius; + + if (!channel || !channel->iio) + return -EINVAL; + + ret = iio_read_channel_processed(channel->iio, &milli_celsius); + if (ret < 0) + return ret; + + *temp = milli_celsius; + + return 0; +} + +static int adc_tm5_disable_channel(struct adc_tm5_channel *channel) +{ + struct adc_tm5_chip *chip = channel->chip; + unsigned int reg = ADC_TM5_M_EN(channel->channel); + + return adc_tm5_reg_update(chip, reg, + ADC_TM5_M_MEAS_EN | ADC_TM5_M_HIGH_THR_INT_EN | ADC_TM5_M_LOW_THR_INT_EN, + 0); +} + +static int adc_tm5_configure(struct adc_tm5_channel *channel, int low_temp, int high_temp) +{ + struct adc_tm5_chip *chip = channel->chip; + u8 buf[8]; + u16 reg = ADC_TM5_M_ADC_CH_SEL_CTL(channel->channel); + int ret = 0; + + ret = adc_tm5_read(chip, reg, buf, 8); + if (ret) { + dev_err(chip->dev, "block read failed with %d\n", ret); + return ret; + } + + /* Update ADC channel select */ + buf[0] = channel->adc_channel; + + /* Warm temperature corresponds to low voltage threshold */ + if (high_temp != INT_MAX) { + u16 adc_code = qcom_adc_tm5_temp_volt_scale(channel->prescale, + chip->data->full_scale_code_volt, high_temp); + + buf[1] = adc_code & 0xff; + buf[2] = adc_code >> 8; + buf[7] |= ADC_TM5_M_LOW_THR_INT_EN; + } + + /* Cool temperature corresponds to high voltage threshold */ + if (low_temp != -INT_MAX) { + u16 adc_code = qcom_adc_tm5_temp_volt_scale(channel->prescale, + chip->data->full_scale_code_volt, low_temp); + + buf[3] = adc_code & 0xff; + buf[4] = adc_code >> 8; + buf[7] |= ADC_TM5_M_HIGH_THR_INT_EN; + } + + /* Update timer select */ + buf[5] = ADC5_TIMER_SEL_2; + + /* Set calibration select, hw_settle delay */ + buf[6] &= ~ADC_TM5_M_CTL_HW_SETTLE_DELAY_MASK; + buf[6] |= FIELD_PREP(ADC_TM5_M_CTL_HW_SETTLE_DELAY_MASK, channel->hw_settle_time); + buf[6] &= ~ADC_TM5_M_CTL_CAL_SEL_MASK; + buf[6] |= FIELD_PREP(ADC_TM5_M_CTL_CAL_SEL_MASK, channel->cal_method); + + buf[7] |= ADC_TM5_M_MEAS_EN; + + ret = adc_tm5_write(chip, reg, buf, 8); + if (ret) + dev_err(chip->dev, "buf write failed\n"); + + return ret; +} + +static int adc_tm5_set_trips(void *data, int low_temp, int high_temp) +{ + struct adc_tm5_channel *channel = data; + struct adc_tm5_chip *chip; + int ret; + + if (!channel) + return -EINVAL; + + chip = channel->chip; + dev_dbg(chip->dev, "%d:low_temp(mdegC):%d, high_temp(mdegC):%d\n", + channel->channel, low_temp, high_temp); + + if (high_temp == INT_MAX && low_temp <= -INT_MAX) + ret = adc_tm5_disable_channel(channel); + else + ret = adc_tm5_configure(channel, low_temp, high_temp); + + return ret; +} + +static struct thermal_zone_of_device_ops adc_tm5_ops = { + .get_temp = adc_tm5_get_temp, + .set_trips = adc_tm5_set_trips, +}; + +static int adc_tm5_register_tzd(struct adc_tm5_chip *adc_tm) +{ + unsigned int i; + struct thermal_zone_device *tzd; + + for (i = 0; i < adc_tm->nchannels; i++) { + adc_tm->channels[i].chip = adc_tm; + + tzd = devm_thermal_zone_of_sensor_register(adc_tm->dev, + adc_tm->channels[i].channel, + &adc_tm->channels[i], + &adc_tm5_ops); + if (IS_ERR(tzd)) { + dev_err(adc_tm->dev, "Error registering TZ zone:%ld for channel:%d\n", + PTR_ERR(tzd), adc_tm->channels[i].channel); + continue; + } + adc_tm->channels[i].tzd = tzd; + } + + return 0; +} + +static int adc_tm5_init(struct adc_tm5_chip *chip) +{ + u8 buf[4], channels_available; + int ret; + unsigned int i; + + ret = adc_tm5_read(chip, ADC_TM5_NUM_BTM, &channels_available, 1); + if (ret) { + dev_err(chip->dev, "read failed for BTM channels\n"); + return ret; + } + + ret = adc_tm5_read(chip, ADC_TM5_ADC_DIG_PARAM, buf, 4); + if (ret) { + dev_err(chip->dev, "block read failed with %d\n", ret); + return ret; + } + + /* Select decimation */ + buf[0] = chip->decimation; + + /* Select number of samples in fast average mode */ + buf[1] = chip->avg_samples | ADC_TM5_FAST_AVG_EN; + + /* Select timer1 */ + buf[2] = ADC_TM5_TIMER1; + + /* Select timer2 and timer3 */ + buf[3] = FIELD_PREP(ADC_TM5_MEAS_INTERVAL_CTL2_MASK, ADC_TM5_TIMER2) | + FIELD_PREP(ADC_TM5_MEAS_INTERVAL_CTL3_MASK, ADC_TM5_TIMER3); + + ret = adc_tm5_write(chip, ADC_TM5_ADC_DIG_PARAM, buf, 4); + if (ret) + dev_err(chip->dev, "block write failed with %d\n", ret); + + for (i = 0; i < chip->nchannels; i++) { + if (chip->channels[i].channel >= channels_available) { + dev_err(chip->dev, "Invalid channel %d\n", chip->channels[i].channel); + return -EINVAL; + } + } + + return ret; +} + +static int adc_tm5_get_dt_channel_data(struct adc_tm5_chip *adc_tm, + struct adc_tm5_channel *channel, + struct device_node *node) +{ + const char *name = node->name; + u32 chan, value, varr[2]; + int ret; + struct device *dev = adc_tm->dev; + + ret = of_property_read_u32(node, "reg", &chan); + if (ret) { + dev_err(dev, "invalid channel number %s\n", name); + return ret; + } + + if (chan >= ADC_TM5_NUM_CHANNELS) { + dev_err(dev, "%s invalid channel number %d\n", name, chan); + return -EINVAL; + } + + /* the channel has DT description */ + channel->channel = chan; + + ret = of_property_read_u32(node, "qcom,adc-channel", &chan); + if (ret) { + dev_err(dev, "invalid channel number %s\n", name); + return ret; + } + if (chan >= ADC5_MAX_CHANNEL) { + dev_err(dev, "%s invalid ADC channel number %d\n", name, chan); + return ret; + } + channel->adc_channel = chan; + + channel->iio = devm_iio_channel_get(adc_tm->dev, name); + if (IS_ERR(channel->iio)) { + ret = PTR_ERR(channel->iio); + channel->iio = NULL; + dev_err(dev, "error getting channel %s: %d\n", name, ret); + return ret; + } + + ret = of_property_read_u32_array(node, "qcom,pre-scaling", varr, 2); + if (!ret) { + ret = qcom_adc5_prescaling_from_dt(varr[0], varr[1]); + if (ret < 0) { + dev_err(dev, "%02x invalid pre-scaling <%d %d>\n", + chan, varr[0], varr[1]); + return ret; + } + channel->prescale = ret; + } else { + /* 1:1 prescale is index 0 */ + channel->prescale = 0; + } + + ret = of_property_read_u32(node, "qcom,hw-settle-time", &value); + if (!ret) { + ret = qcom_adc5_hw_settle_time_from_dt(value, adc_tm->data->hw_settle); + if (ret < 0) { + dev_err(dev, "%02x invalid hw-settle-time %d us\n", + chan, value); + return ret; + } + channel->hw_settle_time = ret; + } else { + channel->hw_settle_time = VADC_DEF_HW_SETTLE_TIME; + } + + if (of_property_read_bool(node, "qcom,ratiometric")) + channel->cal_method = ADC_TM5_RATIOMETRIC_CAL; + else + channel->cal_method = ADC_TM5_ABSOLUTE_CAL; + + return 0; +} + +static int adc_tm5_get_dt_data(struct adc_tm5_chip *adc_tm, struct device_node *node) +{ + struct adc_tm5_channel *channels; + struct device_node *child; + unsigned int index = 0; + u32 value; + int ret; + struct device *dev = adc_tm->dev; + + adc_tm->nchannels = of_get_available_child_count(node); + if (!adc_tm->nchannels) + return -EINVAL; + + adc_tm->channels = devm_kcalloc(dev, adc_tm->nchannels, + sizeof(*adc_tm->channels), GFP_KERNEL); + if (!adc_tm->channels) + return -ENOMEM; + + channels = adc_tm->channels; + + adc_tm->data = of_device_get_match_data(dev); + + ret = of_property_read_u32(node, "qcom,decimation", &value); + if (!ret) { + ret = qcom_adc5_decimation_from_dt(value, adc_tm->data->decimation); + if (ret < 0) { + dev_err(dev, "invalid decimation %d\n", value); + return ret; + } + adc_tm->decimation = ret; + } else { + adc_tm->decimation = ADC5_DECIMATION_DEFAULT; + } + + ret = of_property_read_u32(node, "qcom,avg-samples", &value); + if (!ret) { + ret = qcom_adc5_avg_samples_from_dt(value); + if (ret < 0) { + dev_err(dev, "invalid avg-samples %d\n", value); + return ret; + } + adc_tm->avg_samples = ret; + } else { + adc_tm->avg_samples = VADC_DEF_AVG_SAMPLES; + } + + for_each_available_child_of_node(node, child) { + ret = adc_tm5_get_dt_channel_data(adc_tm, channels, child); + if (ret) { + of_node_put(child); + return ret; + } + + channels++; + index++; + } + + return 0; +} + +static int adc_tm5_probe(struct platform_device *pdev) +{ + struct device_node *node = pdev->dev.of_node; + struct device *dev = &pdev->dev; + struct adc_tm5_chip *adc_tm; + struct regmap *regmap; + int ret, irq; + u32 reg; + + regmap = dev_get_regmap(dev->parent, NULL); + if (!regmap) + return -ENODEV; + + ret = of_property_read_u32(node, "reg", ®); + if (ret) + return ret; + + adc_tm = devm_kzalloc(&pdev->dev, sizeof(*adc_tm), GFP_KERNEL); + if (!adc_tm) + return -ENOMEM; + + adc_tm->regmap = regmap; + adc_tm->dev = dev; + adc_tm->base = reg; + + irq = platform_get_irq(pdev, 0); + if (irq < 0) { + dev_err(dev, "get_irq failed: %d\n", irq); + return irq; + } + + ret = adc_tm5_get_dt_data(adc_tm, node); + if (ret) { + dev_err(dev, "get dt data failed: %d\n", ret); + return ret; + } + + ret = adc_tm5_init(adc_tm); + if (ret) { + dev_err(dev, "adc-tm init failed\n"); + return ret; + } + + ret = adc_tm5_register_tzd(adc_tm); + if (ret) { + dev_err(dev, "tzd register failed\n"); + return ret; + } + + return devm_request_irq(dev, irq, adc_tm5_isr, 0, + "pm-adc-tm5", adc_tm); +} + +static const struct of_device_id adc_tm5_match_table[] = { + { + .compatible = "qcom,spmi-adc-tm5", + .data = &adc_tm5_data_pmic, + }, + { } +}; +MODULE_DEVICE_TABLE(of, adc_tm5_match_table); + +static struct platform_driver adc_tm5_driver = { + .driver = { + .name = "spmi-adc-tm5", + .of_match_table = adc_tm5_match_table, + }, + .probe = adc_tm5_probe, +}; +module_platform_driver(adc_tm5_driver); + +MODULE_DESCRIPTION("SPMI PMIC Thermal Monitor ADC driver"); +MODULE_LICENSE("GPL v2"); From patchwork Thu Sep 3 13:21:08 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dmitry Baryshkov X-Patchwork-Id: 249030 Delivered-To: patch@linaro.org Received: by 2002:a92:5b9c:0:0:0:0:0 with SMTP id c28csp536829ilg; Thu, 3 Sep 2020 07:55:09 -0700 (PDT) X-Google-Smtp-Source: ABdhPJw23iO9dwpnfbWi09pH9nyriR2yg48J1CiK+R7X0HFSCiOmvm/jVlw0m6s90bkuFF69/jZE X-Received: by 2002:aa7:cb92:: with SMTP id r18mr3547715edt.158.1599144909701; Thu, 03 Sep 2020 07:55:09 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1599144909; cv=none; d=google.com; s=arc-20160816; b=Mse3BrsMTM8Y1xAwpJTvjQ8BVOmy9sg2JmztcMEG10o/qfowv8vjBY+erpJuMYv/JQ 1B4fxQVV6dRD2jdUuOZZBCxPP1StlG0z9AOIOMFuZHB7ZigUwigu+39f35nLcgsIxhQb oGW2xuFqfOsXo1AzHQIMKX2o99mZGQUFTm381P79BEA5iUeiq81p78lYX1/fNp7eoiYF gbl2/01sLusnndwS4G3PmSgz3MAf/IuwEQ7DvIQgnQpNtHiwZS/b4BZ1dhVz19l+EG4B jha1YLqjhIZqLCmsPQ0g074+Xeh96RScEGmKHMjY5LWXv0Zev9AkJhtMFQLV8/sbwdjc 1rOA== ARC-Message-Signature: i=1; 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Individual channes and thermal zones are to be configured in per-device dts files. Signed-off-by: Dmitry Baryshkov --- arch/arm64/boot/dts/qcom/pm8150.dtsi | 10 ++++++++++ arch/arm64/boot/dts/qcom/pm8150b.dtsi | 10 ++++++++++ arch/arm64/boot/dts/qcom/pm8150l.dtsi | 10 ++++++++++ 3 files changed, 30 insertions(+) -- 2.28.0 diff --git a/arch/arm64/boot/dts/qcom/pm8150.dtsi b/arch/arm64/boot/dts/qcom/pm8150.dtsi index 1b6406927509..b1b518c6a2c9 100644 --- a/arch/arm64/boot/dts/qcom/pm8150.dtsi +++ b/arch/arm64/boot/dts/qcom/pm8150.dtsi @@ -97,6 +97,16 @@ die-temp@6 { }; }; + pm8150_adc_tm: adc-tm@3500 { + compatible = "qcom,spmi-adc-tm5"; + reg = <0x3500>; + interrupts = <0x0 0x35 0x0 IRQ_TYPE_EDGE_RISING>; + #thermal-sensor-cells = <1>; + #address-cells = <1>; + #size-cells = <0>; + status = "disabled"; + }; + rtc@6000 { compatible = "qcom,pm8941-rtc"; reg = <0x6000>; diff --git a/arch/arm64/boot/dts/qcom/pm8150b.dtsi b/arch/arm64/boot/dts/qcom/pm8150b.dtsi index e112e8876db6..8e2f3250c914 100644 --- a/arch/arm64/boot/dts/qcom/pm8150b.dtsi +++ b/arch/arm64/boot/dts/qcom/pm8150b.dtsi @@ -95,6 +95,16 @@ chg-temp@9 { }; }; + pm8150b_adc_tm: adc-tm@3500 { + compatible = "qcom,spmi-adc-tm5"; + reg = <0x3500>; + interrupts = <0x2 0x35 0x0 IRQ_TYPE_EDGE_RISING>; + #thermal-sensor-cells = <1>; + #address-cells = <1>; + #size-cells = <0>; + status = "disabled"; + }; + pm8150b_gpios: gpio@c000 { compatible = "qcom,pm8150b-gpio"; reg = <0xc000>; diff --git a/arch/arm64/boot/dts/qcom/pm8150l.dtsi b/arch/arm64/boot/dts/qcom/pm8150l.dtsi index 62139538b7d9..9f214ceec2b7 100644 --- a/arch/arm64/boot/dts/qcom/pm8150l.dtsi +++ b/arch/arm64/boot/dts/qcom/pm8150l.dtsi @@ -89,6 +89,16 @@ die-temp@6 { }; }; + pm8150l_adc_tm: adc-tm@3500 { + compatible = "qcom,spmi-adc-tm5"; + reg = <0x3500>; + interrupts = <0x4 0x35 0x0 IRQ_TYPE_EDGE_RISING>; + #thermal-sensor-cells = <1>; + #address-cells = <1>; + #size-cells = <0>; + status = "disabled"; + }; + pm8150l_gpios: gpio@c000 { compatible = "qcom,pm8150l-gpio"; reg = <0xc000>; From patchwork Thu Sep 3 13:21:09 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dmitry Baryshkov X-Patchwork-Id: 249028 Delivered-To: patch@linaro.org Received: by 2002:a92:5b9c:0:0:0:0:0 with SMTP id c28csp533125ilg; Thu, 3 Sep 2020 07:50:26 -0700 (PDT) X-Google-Smtp-Source: ABdhPJx71EjgWiCCYQQOwBSypPOL8Snysto6twsL2DQnLR6jWIV1l9Ko5rZJDiwIjRj1wjwbfd/F X-Received: by 2002:a17:906:9245:: with SMTP id c5mr2733842ejx.54.1599144625980; Thu, 03 Sep 2020 07:50:25 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1599144625; cv=none; d=google.com; s=arc-20160816; b=Wgvn19STuQSku2FhoNexn/w8xKMWEVGUANC7769j2eU7UeKKNYuh2HvnydFbRpTtgG mFE+xTRn53/6ZraAqGvxKujoo/ug4iQX074evjKkSIjURdo1BW9hnKKBmEE9GF27TQMN wsGKY5Cx78HvbSNbyJ0S7CryWd1iFJ2Vi02IkfsvxJxIkuB+Bxu8VWshxJJp0iY5l9DS Km25/HcVXhtAGQnLlWqu9o2RLoUGV+oTVH3HVsxiBS/uj6Bzzh1f90SeHTrOBxGHSVmE Ko+P8v5UwP/pqktiJYeQLxNv71CNvc7aUUl0+JnYNp4xiCJxgSQynEQW6G1u2i0qIOvA yhFw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:content-transfer-encoding:mime-version :references:in-reply-to:message-id:date:subject:cc:to:from :dkim-signature; bh=V7/RoZUDbSidbaVmS9FeqN+fWeyUR1JKVWNxeicmHMg=; b=isY2EReT0/63RneVFciI3UAZMPS9fT7uxgHXrb4cbhUepZwIhA7BkTLs/Cwb/qYS31 lvA5uYqkuhcT0duMcN1joDf4gLnt97PJDi4e5HGIcix3vL7CYSU/fsh5/6ymjJ2qWHsI tAnYkBUrU5b6/AlBzXAfogQS28aWSqPIrgkKgngKlm9Y3akoO2u0H0DAkSSEcs1OsGiN /pKa3WuLtRC5Hs7ItJNdK3P4GHkG8u31zcKL0D97E/Y0LWcRv/YLGHeuQis4wtK/vIBS 2L9aPtMB4W+Y+AdohR25ZeGvkhVu0kc4+pwtN/EDHjLC4UDPtmWJqxC4T+P4+Os09qOA W/AQ== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@linaro.org header.s=google header.b=zEWstPZ3; spf=pass (google.com: domain of linux-pm-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-pm-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linaro.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id v19si2006338ejy.697.2020.09.03.07.50.25; Thu, 03 Sep 2020 07:50:25 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-pm-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@linaro.org header.s=google header.b=zEWstPZ3; spf=pass (google.com: domain of linux-pm-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-pm-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linaro.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729261AbgICOuV (ORCPT + 10 others); Thu, 3 Sep 2020 10:50:21 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34132 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729242AbgICORO (ORCPT ); Thu, 3 Sep 2020 10:17:14 -0400 Received: from mail-lf1-x144.google.com (mail-lf1-x144.google.com [IPv6:2a00:1450:4864:20::144]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8B75FC0619CA for ; Thu, 3 Sep 2020 06:21:39 -0700 (PDT) Received: by mail-lf1-x144.google.com with SMTP id d2so1913313lfj.1 for ; Thu, 03 Sep 2020 06:21:39 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=V7/RoZUDbSidbaVmS9FeqN+fWeyUR1JKVWNxeicmHMg=; b=zEWstPZ31aBryWxYNemcI3JoczurqsIM+kowklx4XBCk00IVh/93S1NcSLqpa8dESZ iIyASHxbXJswE7RfL5pxrCIFdVShNGxkSCTpYifIDBG9byHWzuDDJwxOuAP25A2x/EZ7 yyDic2OOU7DpPvzVjfeEX4wAAhWZfZ/vKO/0xhaI2Wdhx3CAVMUpu3zHPtLe0+SSdQhe ORBQo6jKrVIMZ4Eyk/B/nfD4PaETNV2pEDSIc+XHroBqNiGmxlY82t8PmnxS0E5mmQR3 thibgp7bjY7uHBPJ2sM8nBg9kMTRAW3Tfz9tz85nhMbyP4oe2w96+4I8//6+5ECGgKhn zGjw== 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:in-reply-to :references:mime-version:content-transfer-encoding; bh=V7/RoZUDbSidbaVmS9FeqN+fWeyUR1JKVWNxeicmHMg=; b=DL0dpcjzKOu6VadYZXxNcFiFBinh/F0TLUHZ/fx8LGaAnf3uPkIgVkRyzVlL3m4Eww 919BLrJDHIoxZ6rXgw9N84RShmuaAUnci/GcityN/ysugf1A4aM97Jhb6SOoeEYxwfug bBSU1YZknLwV7a+f1SZqxe+QGB5GcWdm6GrrQqmlhvzdO3qHAxGGi8MlNLCsgPbYXMrS nDAByYIYOl4MWlmxwP3x1wSw9qNKYyPP85T5x+t+5m3ZmilpTsNNwIzHmShXelj+CNyE JSGbVB8FWfjXqpcJy0lsIvkwQ7djrhqqD5WWUw9dOY2340ktVZ4Z3QEZaN0q6g+3Ala5 An9g== X-Gm-Message-State: AOAM531PVs+2YuZdUuB/pzqAichVuCjADetxWDNxyw+On4EYuuvISZQu rjkuN3a/h5btNyk5+FBrt+Qn6g== X-Received: by 2002:a19:4ad8:: with SMTP id x207mr1273135lfa.73.1599139297531; Thu, 03 Sep 2020 06:21:37 -0700 (PDT) Received: from eriador.lan ([188.162.64.138]) by smtp.gmail.com with ESMTPSA id e23sm584220lfj.80.2020.09.03.06.21.35 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 03 Sep 2020 06:21:36 -0700 (PDT) From: Dmitry Baryshkov To: Andy Gross , Bjorn Andersson , Rob Herring , Zhang Rui , Daniel Lezcano , Amit Kucheria , Jonathan Cameron , Hartmut Knaack , Lars-Peter Clausen , Peter Meerwald-Stadler Cc: linux-arm-msm@vger.kernel.org, linux-pm@vger.kernel.org, devicetree@vger.kernel.org, linux-iio@vger.kernel.org Subject: [PATCH v2 9/9] arm64: dts: sm8250-mtp: add thermal zones using pmic's adc-tm5 Date: Thu, 3 Sep 2020 16:21:09 +0300 Message-Id: <20200903132109.1914011-10-dmitry.baryshkov@linaro.org> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20200903132109.1914011-1-dmitry.baryshkov@linaro.org> References: <20200903132109.1914011-1-dmitry.baryshkov@linaro.org> MIME-Version: 1.0 Sender: linux-pm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org Port thermal zones definitions from msm-4.19 tree. Enable and add channel configuration to PMIC's ADC-TM definitions. Declare thermal zones and respective trip points. Signed-off-by: Dmitry Baryshkov --- arch/arm64/boot/dts/qcom/sm8250-mtp.dts | 217 ++++++++++++++++++++++++ 1 file changed, 217 insertions(+) -- 2.28.0 diff --git a/arch/arm64/boot/dts/qcom/sm8250-mtp.dts b/arch/arm64/boot/dts/qcom/sm8250-mtp.dts index 6894f8490dae..4db5c1e4269e 100644 --- a/arch/arm64/boot/dts/qcom/sm8250-mtp.dts +++ b/arch/arm64/boot/dts/qcom/sm8250-mtp.dts @@ -24,6 +24,104 @@ chosen { stdout-path = "serial0:115200n8"; }; + thermal-zones { + xo-therm { + polling-delay-passive = <0>; + polling-delay = <0>; + thermal-sensors = <&pm8150_adc_tm 0>; + trips { + active-config0 { + temperature = <125000>; + hysteresis = <1000>; + type = "passive"; + }; + }; + }; + + skin-therm { + polling-delay-passive = <0>; + polling-delay = <0>; + thermal-sensors = <&pm8150_adc_tm 1>; + trips { + active-config0 { + temperature = <125000>; + hysteresis = <1000>; + type = "passive"; + }; + }; + }; + + mmw-pa1 { + polling-delay-passive = <0>; + polling-delay = <0>; + thermal-sensors = <&pm8150_adc_tm 2>; + + trips { + active-config0 { + temperature = <125000>; + hysteresis = <1000>; + type = "passive"; + }; + }; + }; + + conn-therm { + polling-delay-passive = <0>; + polling-delay = <0>; + thermal-sensors = <&pm8150b_adc_tm 0>; + + trips { + active-config0 { + temperature = <125000>; + hysteresis = <1000>; + type = "passive"; + }; + }; + }; + + camera-therm { + polling-delay-passive = <0>; + polling-delay = <0>; + thermal-sensors = <&pm8150l_adc_tm 0>; + + trips { + active-config0 { + temperature = <125000>; + hysteresis = <1000>; + type = "passive"; + }; + }; + }; + + skin-msm-therm { + polling-delay-passive = <0>; + polling-delay = <0>; + thermal-sensors = <&pm8150l_adc_tm 1>; + + trips { + active-config0 { + temperature = <125000>; + hysteresis = <1000>; + type = "passive"; + }; + }; + }; + + mmw-pa2 { + polling-delay-passive = <0>; + polling-delay = <0>; + thermal-sensors = <&pm8150l_adc_tm 2>; + + trips { + active-config0 { + temperature = <125000>; + hysteresis = <1000>; + type = "passive"; + }; + }; + }; + }; + vph_pwr: vph-pwr-regulator { compatible = "regulator-fixed"; regulator-name = "vph_pwr"; @@ -358,6 +456,125 @@ &cdsp { firmware-name = "qcom/sm8250/cdsp.mbn"; }; +&pm8150_adc { + xo-therm@4c { + reg = ; + qcom,ratiometric; + qcom,hw-settle-time = <200>; + }; + + skin-therm@4d { + reg = ; + qcom,ratiometric; + qcom,hw-settle-time = <200>; + }; + + pa-therm1@4e { + reg = ; + qcom,ratiometric; + qcom,hw-settle-time = <200>; + }; +}; + +&pm8150b_adc { + conn-therm@4f { + reg = ; + qcom,ratiometric; + qcom,hw-settle-time = <200>; + }; +}; + +&pm8150l_adc { + camera-flash-therm@4d { + reg = ; + qcom,ratiometric; + qcom,hw-settle-time = <200>; + }; + + skin-msm-therm@4e { + reg = ; + qcom,ratiometric; + qcom,hw-settle-time = <200>; + }; + + pa-therm2@4f { + reg = ; + qcom,ratiometric; + qcom,hw-settle-time = <200>; + }; +}; + +&pm8150_adc_tm { + status = "okay"; + io-channels = <&pm8150_adc ADC5_XO_THERM_100K_PU>, + <&pm8150_adc ADC5_AMUX_THM1_100K_PU>, + <&pm8150_adc ADC5_AMUX_THM2_100K_PU>; + io-channel-names = "xo-therm", "skin-therm", "pa-therm1"; + + xo-therm@0 { + reg = <0>; + qcom,adc-channel = ; + qcom,ratiometric; + qcom,hw-settle-time = <200>; + }; + + skin-therm@1 { + reg = <1>; + qcom,adc-channel = ; + qcom,ratiometric; + qcom,hw-settle-time = <200>; + }; + + pa-therm1@2 { + reg = <2>; + qcom,adc-channel = ; + qcom,ratiometric; + qcom,hw-settle-time = <200>; + }; +}; + +&pm8150b_adc_tm { + status = "okay"; + io-channels = <&pm8150b_adc ADC5_AMUX_THM3_100K_PU>; + io-channel-names = "conn-therm"; + + conn-therm@0 { + reg = <0>; + qcom,adc-channel = ; + qcom,ratiometric; + qcom,hw-settle-time = <200>; + }; +}; + +&pm8150l_adc_tm { + status = "okay"; + io-channels = <&pm8150l_adc ADC5_AMUX_THM1_100K_PU>, + <&pm8150l_adc ADC5_AMUX_THM2_100K_PU>, + <&pm8150l_adc ADC5_AMUX_THM3_100K_PU>; + io-channel-names = "camera-flash-therm", "skin-msm-therm", "pa-therm2"; + + camera-flash-therm@0 { + reg = <0>; + qcom,adc-channel = ; + qcom,ratiometric; + qcom,hw-settle-time = <200>; + }; + + skin-msm-therm@1 { + reg = <1>; + qcom,adc-channel = ; + qcom,ratiometric; + qcom,hw-settle-time = <200>; + }; + + pa-therm2@2 { + reg = <2>; + qcom,adc-channel = ; + qcom,ratiometric; + qcom,hw-settle-time = <200>; + }; +}; + &qupv3_id_1 { status = "okay"; };