From patchwork Tue Feb 15 16:54:48 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Caleb Connolly X-Patchwork-Id: 12747328 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 34D1CC43219 for ; Tue, 15 Feb 2022 16:55:18 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S241951AbiBOQz0 (ORCPT ); Tue, 15 Feb 2022 11:55:26 -0500 Received: from mxb-00190b01.gslb.pphosted.com ([23.128.96.19]:42944 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S241972AbiBOQzZ (ORCPT ); Tue, 15 Feb 2022 11:55:25 -0500 Received: from mail-wm1-x335.google.com (mail-wm1-x335.google.com [IPv6:2a00:1450:4864:20::335]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 43B8A119F10 for ; Tue, 15 Feb 2022 08:55:15 -0800 (PST) Received: by mail-wm1-x335.google.com with SMTP id k127-20020a1ca185000000b0037bc4be8713so1915052wme.3 for ; Tue, 15 Feb 2022 08:55:15 -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:in-reply-to:references :mime-version:content-transfer-encoding; bh=Swi01zs1Aek9C9Aenj93GPF/NdOk2jeLKINKBsWtsPE=; b=vKwxljKk6S8XX1j0GMsWuJ/i/SKLoRTmsaTrBDP2QeBbHF03+/AGil3AfJSHxkWuTc nHIPtyEOr6+kyphQ1EPT6+XjwS9kIBJeQblspJiNgH8ijy8JxVs4IQ0uYhnAaXIae2KT E4wNON7INsWidjwaPb2olfzziTsy/Uqw88xcUykirmtEj9M9QmPPg9p1ARwbHIFqlR3Z Clwtjr9R8d9SYDGVPVMhy3uN59/0/r2vV9ewIe1m0W96BJD1YL/7dgr5hQB4FrRlkdzM A32h395Xtju8KCpSiYcvYTqw5aL8REM8ydWuWmI+OG9zQMBUV1gxMxmrpzx+guqJ/Q5M HMXw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=Swi01zs1Aek9C9Aenj93GPF/NdOk2jeLKINKBsWtsPE=; b=0H281u/MrSJsjT+B9bvJM/T3Dl2LQ5xaCP44qydzYav/9CDaBHKHz6qmxQRED0GDR5 UcA8f//+bbrndBWezavg8vhWR0cfEPdLmtzmX8s+SZyFthYUZTqpVN9NAhJsQbQjMHG7 tCWEi+yhJag6SGkBjg7oyOonv/AzSz8uqkeKSqBCbDsiu4mpST1+XpUTlLp5nUIoMTGv AeUP/uSlNh5BDzmZiZBsWZsq34HJ9BQiiQ7dIuGx4T+73e/39qOJ+vdiO7dCCG/4dv3z gNyGLPaN/jG59mH5xfMd+T2d6McvTp+g8sCKqootXNMtJ4SgRi7u7ifZ3fr5ByQVdGDF Jg+Q== X-Gm-Message-State: AOAM533oYZituR1ucmqSoEPVJVgQJq/A8NvITzchNTERunVrKf3bwXGc 6OGIHkIiCLvFtcG6DyXHmLzsuA== X-Google-Smtp-Source: ABdhPJzPn72jb6qRBRw7JdWF65eN1GK0XwwDwaYELn2FLXBAmo9JV4T28Y232vAJE1AOsqLBBMHJjQ== X-Received: by 2002:a05:600c:5c1:: with SMTP id p1mr3843147wmd.151.1644944113856; Tue, 15 Feb 2022 08:55:13 -0800 (PST) Received: from localhost.localdomain (cpc78119-cwma10-2-0-cust590.7-3.cable.virginm.net. [81.96.50.79]) by smtp.gmail.com with ESMTPSA id f14sm15373652wmq.3.2022.02.15.08.55.12 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 15 Feb 2022 08:55:13 -0800 (PST) From: Caleb Connolly To: caleb.connolly@linaro.org, Jonathan Cameron , Lars-Peter Clausen , Rob Herring , Andy Gross , Bjorn Andersson , Lee Jones , Stephen Boyd , linux-iio@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-msm@vger.kernel.org Cc: sumit.semwal@linaro.org, amit.pundir@linaro.org, john.stultz@linaro.org Subject: [PATCH v5 1/9] spmi: add a helper to look up an SPMI device from a device node Date: Tue, 15 Feb 2022 16:54:48 +0000 Message-Id: <20220215165456.1205583-2-caleb.connolly@linaro.org> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220215165456.1205583-1-caleb.connolly@linaro.org> References: <20220215165456.1205583-1-caleb.connolly@linaro.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-iio@vger.kernel.org The helper function spmi_device_from_of() takes a device node and returns the SPMI device associated with it. This is like of_find_device_by_node but for SPMI devices. Signed-off-by: Caleb Connolly --- drivers/spmi/spmi.c | 16 ++++++++++++++++ include/linux/spmi.h | 2 ++ 2 files changed, 18 insertions(+) diff --git a/drivers/spmi/spmi.c b/drivers/spmi/spmi.c index b37ead9e2fad..d2e425e1d4c9 100644 --- a/drivers/spmi/spmi.c +++ b/drivers/spmi/spmi.c @@ -386,6 +386,22 @@ static struct bus_type spmi_bus_type = { .uevent = spmi_drv_uevent, }; +/** + * spmi_device_from_of() - get the associated SPMI device from a device node + * + * @np: device node + * + * Returns the struct spmi_device associated with a device node or NULL. + */ +inline struct spmi_device *spmi_device_from_of(struct device_node *np) +{ + struct device *dev = bus_find_device_by_of_node(&spmi_bus_type, np); + + if (dev) + return to_spmi_device(dev); + return NULL; +} + /** * spmi_controller_alloc() - Allocate a new SPMI device * @ctrl: associated controller diff --git a/include/linux/spmi.h b/include/linux/spmi.h index 729bcbf9f5ad..6ee476bc1cd6 100644 --- a/include/linux/spmi.h +++ b/include/linux/spmi.h @@ -7,6 +7,7 @@ #include #include #include +#include /* Maximum slave identifier */ #define SPMI_MAX_SLAVE_ID 16 @@ -164,6 +165,7 @@ static inline void spmi_driver_unregister(struct spmi_driver *sdrv) module_driver(__spmi_driver, spmi_driver_register, \ spmi_driver_unregister) +inline struct spmi_device *spmi_device_from_of(struct device_node *np); int spmi_register_read(struct spmi_device *sdev, u8 addr, u8 *buf); int spmi_ext_register_read(struct spmi_device *sdev, u8 addr, u8 *buf, size_t len); From patchwork Tue Feb 15 16:54:49 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Caleb Connolly X-Patchwork-Id: 12747330 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 4CEEFC4321E for ; Tue, 15 Feb 2022 16:55:19 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S241996AbiBOQz2 (ORCPT ); Tue, 15 Feb 2022 11:55:28 -0500 Received: from mxb-00190b01.gslb.pphosted.com ([23.128.96.19]:43062 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236271AbiBOQz1 (ORCPT ); Tue, 15 Feb 2022 11:55:27 -0500 Received: from mail-wr1-x42f.google.com (mail-wr1-x42f.google.com [IPv6:2a00:1450:4864:20::42f]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7E038117C80 for ; Tue, 15 Feb 2022 08:55:16 -0800 (PST) Received: by mail-wr1-x42f.google.com with SMTP id p9so12647899wra.12 for ; Tue, 15 Feb 2022 08:55:16 -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:in-reply-to:references :mime-version:content-transfer-encoding; bh=+0fKnwESxbyMOLhjEzw7OuPxJ00+TW/f1NZ6wRXKcHg=; b=Oqtsvz12QhzHTwZ9XYLJUOBfPaSxt3oi6a8YXyZg53t+zyQW6P70VvpFf4iIw8bRuq ddef3WF1UTksTWvj/osDdBAcpdkm6qBXf5pGBkcDrwQxUlWOZCr5MsYFxpROI24RsVly 2L/y0e+Ahy6W7y4Ydl0XIVKIUpt7rQQ14JsQZiP0YmBCKDaGW2WAlOKfBmt330089Eyg raxpcDR2I8RCtOfG69Apf2WvPLFifhOsepxB79fOgGpsaU1+YVjYxnENRCe6mZ7ex9wf CTo2LIX80zwpLc5Zo/b6CiVFY1ccrGSoXhNAi3Zws+WyF6dPIkXGqE4pA47ngU62HSXS 3XDw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=+0fKnwESxbyMOLhjEzw7OuPxJ00+TW/f1NZ6wRXKcHg=; b=gmG0t5IY6bliQEC+0i44B/WervdptS+w6zD5Z/0ZmwpaFlwpEOs/Uh6X2FLzAxjGjr L72L4avwMTAvVZ8eItMCEAdPDyK8FwgMtW4hcf+9x1jbRT6NhTBNxxugeIOVAg7z9+xG Q4yhcVXIhMTkEnCeNADHahZ3e/WLxNpMvKEG3pQfbP2b8ZYc2nKi2hsw5+e3SNZptB9x nYu1FFo/bgL6xTqG2i7UNm4BfiYZYwDjxxasmslEP/EL+ALtNm3d4fE7jXliSoFgW1Qi GiR8fRLqXNriUuu831q/CD1YlXk0+jnwADWWwnV6iOxgBCGGHbnM2RwdK3H+FO8/MkGP WrsQ== X-Gm-Message-State: AOAM531tWYrM/qqK6mUx3keecYUbFqo9CqMb3mGWfhNRXTNmHQWyWdcJ QWpj95C2P2HsDNb945dLdx1gqA== X-Google-Smtp-Source: ABdhPJxYnSsIr3lbZzq4U7kxBRFn0+DV1S5fSUqrSYhZm+FNXATwyHqdBbwejyib0UPxqkCifR8BUA== X-Received: by 2002:adf:d1c6:: with SMTP id b6mr3825728wrd.320.1644944114955; Tue, 15 Feb 2022 08:55:14 -0800 (PST) Received: from localhost.localdomain (cpc78119-cwma10-2-0-cust590.7-3.cable.virginm.net. [81.96.50.79]) by smtp.gmail.com with ESMTPSA id f14sm15373652wmq.3.2022.02.15.08.55.13 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 15 Feb 2022 08:55:14 -0800 (PST) From: Caleb Connolly To: caleb.connolly@linaro.org, Jonathan Cameron , Lars-Peter Clausen , Rob Herring , Andy Gross , Bjorn Andersson , Lee Jones , Stephen Boyd , linux-iio@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-msm@vger.kernel.org Cc: sumit.semwal@linaro.org, amit.pundir@linaro.org, john.stultz@linaro.org Subject: [PATCH v5 2/9] mfd: qcom-spmi-pmic: expose the PMIC revid information to clients Date: Tue, 15 Feb 2022 16:54:49 +0000 Message-Id: <20220215165456.1205583-3-caleb.connolly@linaro.org> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220215165456.1205583-1-caleb.connolly@linaro.org> References: <20220215165456.1205583-1-caleb.connolly@linaro.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-iio@vger.kernel.org Some PMIC functions such as the RRADC need to be aware of the PMIC chip revision information to implement errata or otherwise adjust behaviour, export the PMIC information to enable this. This is specifically required to enable the RRADC to adjust coefficients based on which chip fab the PMIC was produced in, this can vary per unique device and therefore has to be read at runtime. Signed-off-by: Caleb Connolly --- drivers/mfd/qcom-spmi-pmic.c | 176 ++++++++++++++++++++---------- include/soc/qcom/qcom-spmi-pmic.h | 60 ++++++++++ 2 files changed, 179 insertions(+), 57 deletions(-) create mode 100644 include/soc/qcom/qcom-spmi-pmic.h diff --git a/drivers/mfd/qcom-spmi-pmic.c b/drivers/mfd/qcom-spmi-pmic.c index 1cacc00aa6c9..5e656485cd55 100644 --- a/drivers/mfd/qcom-spmi-pmic.c +++ b/drivers/mfd/qcom-spmi-pmic.c @@ -3,51 +3,26 @@ * Copyright (c) 2014, The Linux Foundation. All rights reserved. */ +#include +#include +#include #include #include +#include +#include #include +#include #include #include +#include #define PMIC_REV2 0x101 #define PMIC_REV3 0x102 #define PMIC_REV4 0x103 #define PMIC_TYPE 0x104 #define PMIC_SUBTYPE 0x105 - #define PMIC_TYPE_VALUE 0x51 -#define COMMON_SUBTYPE 0x00 -#define PM8941_SUBTYPE 0x01 -#define PM8841_SUBTYPE 0x02 -#define PM8019_SUBTYPE 0x03 -#define PM8226_SUBTYPE 0x04 -#define PM8110_SUBTYPE 0x05 -#define PMA8084_SUBTYPE 0x06 -#define PMI8962_SUBTYPE 0x07 -#define PMD9635_SUBTYPE 0x08 -#define PM8994_SUBTYPE 0x09 -#define PMI8994_SUBTYPE 0x0a -#define PM8916_SUBTYPE 0x0b -#define PM8004_SUBTYPE 0x0c -#define PM8909_SUBTYPE 0x0d -#define PM8028_SUBTYPE 0x0e -#define PM8901_SUBTYPE 0x0f -#define PM8950_SUBTYPE 0x10 -#define PMI8950_SUBTYPE 0x11 -#define PM8998_SUBTYPE 0x14 -#define PMI8998_SUBTYPE 0x15 -#define PM8005_SUBTYPE 0x18 -#define PM660L_SUBTYPE 0x1A -#define PM660_SUBTYPE 0x1B -#define PM8150_SUBTYPE 0x1E -#define PM8150L_SUBTYPE 0x1f -#define PM8150B_SUBTYPE 0x20 -#define PMK8002_SUBTYPE 0x21 -#define PM8009_SUBTYPE 0x24 -#define PM8150C_SUBTYPE 0x26 -#define SMB2351_SUBTYPE 0x29 - static const struct of_device_id pmic_spmi_id_table[] = { { .compatible = "qcom,pm660", .data = (void *)PM660_SUBTYPE }, { .compatible = "qcom,pm660l", .data = (void *)PM660L_SUBTYPE }, @@ -81,42 +56,118 @@ static const struct of_device_id pmic_spmi_id_table[] = { { } }; -static void pmic_spmi_show_revid(struct regmap *map, struct device *dev) +/** + * @brief Get a pointer to the base PMIC device + * + * @param dev the pmic function device + * @return const struct qcom_spmi_pmic* + * + * A PMIC can be represented by multiple SPMI devices, but + * only the base PMIC device will contain a reference to + * the revision information. + * + * This function takes a pointer to a function device and + * returns a pointer to the base PMIC device. + */ +const struct qcom_spmi_pmic *qcom_pmic_get(struct device *dev) +{ + struct spmi_device *sdev; + struct device_node *spmi_bus; + struct device_node *other_usid; + int function_parent_usid, ret; + u32 reg[2]; + + if (!of_match_device(pmic_spmi_id_table, dev->parent)) + return ERR_PTR(-EINVAL); + + sdev = to_spmi_device(dev->parent); + if (!sdev) + return ERR_PTR(-EINVAL); + + /* + * Quick return if the function device is already in the right + * USID + */ + if (sdev->usid % 2 == 0) + return spmi_device_get_drvdata(sdev); + + function_parent_usid = sdev->usid; + + /* + * Walk through the list of PMICs until we find the sibling USID. + * The goal is the find to previous sibling. Assuming there is no + * PMIC with more than 2 USIDs. We know that function_parent_usid + * is one greater than the base USID. + */ + spmi_bus = of_get_parent(sdev->dev.parent->of_node); + do { + other_usid = of_get_next_child(spmi_bus, other_usid); + ret = of_property_read_u32_array(other_usid, "reg", reg, 2); + if (ret) + return ERR_PTR(ret); + sdev = spmi_device_from_of(other_usid); + if (sdev == NULL) { + /* + * If the base USID for this PMIC hasn't probed yet + * but the secondary USID has, then we need to defer + * the function driver so that it will attempt to + * probe again when the base USID is ready. + */ + if (reg[0] == function_parent_usid - 1) + return ERR_PTR(-EPROBE_DEFER); + + continue; + } + + if (reg[0] == function_parent_usid - 1) + return spmi_device_get_drvdata(sdev); + } while (other_usid->sibling); + + return ERR_PTR(-ENODATA); +} +EXPORT_SYMBOL(qcom_pmic_get); + +static inline void pmic_print_info(struct device *dev, struct qcom_spmi_pmic *pmic) +{ + dev_info(dev, "%x: %s v%d.%d\n", + pmic->subtype, pmic->name, pmic->major, pmic->minor); +} + +static int pmic_spmi_load_revid(struct regmap *map, struct device *dev, + struct qcom_spmi_pmic *pmic) { - unsigned int rev2, minor, major, type, subtype; - const char *name = "unknown"; int ret, i; - ret = regmap_read(map, PMIC_TYPE, &type); + ret = regmap_read(map, PMIC_TYPE, &pmic->type); if (ret < 0) - return; + return ret; - if (type != PMIC_TYPE_VALUE) - return; + if (pmic->type != PMIC_TYPE_VALUE) + return ret; - ret = regmap_read(map, PMIC_SUBTYPE, &subtype); + ret = regmap_read(map, PMIC_SUBTYPE, &pmic->subtype); if (ret < 0) - return; + return ret; for (i = 0; i < ARRAY_SIZE(pmic_spmi_id_table); i++) { - if (subtype == (unsigned long)pmic_spmi_id_table[i].data) + if (pmic->subtype == (unsigned long)pmic_spmi_id_table[i].data) break; } if (i != ARRAY_SIZE(pmic_spmi_id_table)) - name = pmic_spmi_id_table[i].compatible; + pmic->name = devm_kstrdup_const(dev, pmic_spmi_id_table[i].compatible, GFP_KERNEL); - ret = regmap_read(map, PMIC_REV2, &rev2); + ret = regmap_read(map, PMIC_REV2, &pmic->rev2); if (ret < 0) - return; + return ret; - ret = regmap_read(map, PMIC_REV3, &minor); + ret = regmap_read(map, PMIC_REV3, &pmic->minor); if (ret < 0) - return; + return ret; - ret = regmap_read(map, PMIC_REV4, &major); + ret = regmap_read(map, PMIC_REV4, &pmic->major); if (ret < 0) - return; + return ret; /* * In early versions of PM8941 and PM8226, the major revision number @@ -124,14 +175,14 @@ static void pmic_spmi_show_revid(struct regmap *map, struct device *dev) * Increment the major revision number here if the chip is an early * version of PM8941 or PM8226. */ - if ((subtype == PM8941_SUBTYPE || subtype == PM8226_SUBTYPE) && - major < 0x02) - major++; + if ((pmic->subtype == PM8941_SUBTYPE || pmic->subtype == PM8226_SUBTYPE) && + pmic->major < 0x02) + pmic->major++; - if (subtype == PM8110_SUBTYPE) - minor = rev2; + if (pmic->subtype == PM8110_SUBTYPE) + pmic->minor = pmic->rev2; - dev_dbg(dev, "%x: %s v%d.%d\n", subtype, name, major, minor); + return 0; } static const struct regmap_config spmi_regmap_config = { @@ -144,14 +195,25 @@ static const struct regmap_config spmi_regmap_config = { static int pmic_spmi_probe(struct spmi_device *sdev) { struct regmap *regmap; + struct qcom_spmi_pmic *pmic; + int ret; regmap = devm_regmap_init_spmi_ext(sdev, &spmi_regmap_config); if (IS_ERR(regmap)) return PTR_ERR(regmap); + pmic = devm_kzalloc(&sdev->dev, sizeof(*pmic), GFP_KERNEL); + if (!pmic) + return -ENOMEM; + /* Only the first slave id for a PMIC contains this information */ - if (sdev->usid % 2 == 0) - pmic_spmi_show_revid(regmap, &sdev->dev); + if (sdev->usid % 2 == 0) { + ret = pmic_spmi_load_revid(regmap, &sdev->dev, pmic); + if (ret < 0) + return ret; + spmi_device_set_drvdata(sdev, pmic); + pmic_print_info(&sdev->dev, pmic); + } return devm_of_platform_populate(&sdev->dev); } diff --git a/include/soc/qcom/qcom-spmi-pmic.h b/include/soc/qcom/qcom-spmi-pmic.h new file mode 100644 index 000000000000..a8a77be22cfc --- /dev/null +++ b/include/soc/qcom/qcom-spmi-pmic.h @@ -0,0 +1,60 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* Copyright (c) 2021 Linaro. All rights reserved. + * Copyright (c) 2021 Caleb Connolly + */ + +#ifndef __QCOM_PMIC_H__ +#define __QCOM_PMIC_H__ + +#define COMMON_SUBTYPE 0x00 +#define PM8941_SUBTYPE 0x01 +#define PM8841_SUBTYPE 0x02 +#define PM8019_SUBTYPE 0x03 +#define PM8226_SUBTYPE 0x04 +#define PM8110_SUBTYPE 0x05 +#define PMA8084_SUBTYPE 0x06 +#define PMI8962_SUBTYPE 0x07 +#define PMD9635_SUBTYPE 0x08 +#define PM8994_SUBTYPE 0x09 +#define PMI8994_SUBTYPE 0x0a +#define PM8916_SUBTYPE 0x0b +#define PM8004_SUBTYPE 0x0c +#define PM8909_SUBTYPE 0x0d +#define PM8028_SUBTYPE 0x0e +#define PM8901_SUBTYPE 0x0f +#define PM8950_SUBTYPE 0x10 +#define PMI8950_SUBTYPE 0x11 +#define PM8998_SUBTYPE 0x14 +#define PMI8998_SUBTYPE 0x15 +#define PM8005_SUBTYPE 0x18 +#define PM660L_SUBTYPE 0x1A +#define PM660_SUBTYPE 0x1B +#define PM8150_SUBTYPE 0x1E +#define PM8150L_SUBTYPE 0x1f +#define PM8150B_SUBTYPE 0x20 +#define PMK8002_SUBTYPE 0x21 +#define PM8009_SUBTYPE 0x24 +#define PM8150C_SUBTYPE 0x26 +#define SMB2351_SUBTYPE 0x29 + +#define PMI8998_FAB_ID_SMIC 0x11 +#define PMI8998_FAB_ID_GF 0x30 + +#define PM660_FAB_ID_GF 0x0 +#define PM660_FAB_ID_TSMC 0x2 +#define PM660_FAB_ID_MX 0x3 + +struct qcom_spmi_pmic { + unsigned int type; + unsigned int subtype; + unsigned int major; + unsigned int minor; + unsigned int rev2; + const char *name; +}; + +struct device; + +const struct qcom_spmi_pmic *qcom_pmic_get(struct device *dev); + +#endif /* __QCOM_PMIC_H__ */ From patchwork Tue Feb 15 16:54:50 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Caleb Connolly X-Patchwork-Id: 12747331 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 88707C4332F for ; Tue, 15 Feb 2022 16:55:21 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S241998AbiBOQz3 (ORCPT ); Tue, 15 Feb 2022 11:55:29 -0500 Received: from mxb-00190b01.gslb.pphosted.com ([23.128.96.19]:43118 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S241993AbiBOQz2 (ORCPT ); Tue, 15 Feb 2022 11:55:28 -0500 Received: from mail-wr1-x42f.google.com (mail-wr1-x42f.google.com [IPv6:2a00:1450:4864:20::42f]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B664F117C84 for ; Tue, 15 Feb 2022 08:55:17 -0800 (PST) Received: by mail-wr1-x42f.google.com with SMTP id j26so22333572wrb.7 for ; Tue, 15 Feb 2022 08:55:17 -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:in-reply-to:references :mime-version:content-transfer-encoding; bh=FNxZnQWwG3AA+5zjZr6bjMk+OGB5iWm30KygedH2/Bk=; b=mNhvqKQ1juVFDZ9s3Fm2DhsfOjfwPzSRZXqcIsuHO9Pq6ry4NXLaKqOA2eQQFLN1dy AY0qZQPeD5P13AWw6dwz2MLvB1f1sjgFjwFAhfoBl+9thtFbWedQ9Jkl5rrTSojoqe+1 9zd/qt++AnsTo+GWd5V+nL4f86yueR8skI+rYt5BGg4thGboZtJZ61ZJAmLghKZyQCU7 LUuFwdo26sBJnE7vzcAsxXJ6d0O6zzixFz+Km3MsoRkoV3QgFkR2PPuYFkzZmzA0uhL5 Hj1RvNANCWIbC3S2VAt98AL7vNKc68WkmJ6Xv63oRMs8W5Ne+Y0JAVQnX4TytM5/ZxH0 XShA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=FNxZnQWwG3AA+5zjZr6bjMk+OGB5iWm30KygedH2/Bk=; b=nkYMI0STuKjmUuiQFwQZo0U4zd75/7EAuQjssFv+lqZtheOjO7neudm5I7COHXyRYp dlp2W2l16lZ99lwV5JcKwKwsxJdEP9Hte8m21CtppMgEK8OCre4uY3TmioHvbi4o+OaF 22dRF+MCkBBHV3BDkdFs2jIgQnkhBPLGnRkGPg/J41eQZw9IbmFv1pyVr01I5Bvj64Bs lqhxDtKali+rJYNEWwOwz+5HREY1t7UgvXwTPloRsP+8lYq8iBy2SYbUG0oiFdLgcDHV Q8EFz4tnG1v/C7p6cujZxZuWYLl8GLPVEfqpDnlgKGv3AGytEz1aKAPncZeeqFQjF4TV 01eg== X-Gm-Message-State: AOAM533dHvhaxwlZiyGNRN5xzsNNObxANt4twcjOLJr0+9zBxSQ9Qt4Z j3juAU4qZfWxjXvhRfeaZxyYsQ== X-Google-Smtp-Source: ABdhPJyDGP3paBPyhUBqt/g2V8rppqyEEkJbuuwFLiyfq5JDF0MAntwvWnleg+yX+l9VR/Uy3sD5ig== X-Received: by 2002:adf:fe4f:: with SMTP id m15mr4071695wrs.133.1644944116360; Tue, 15 Feb 2022 08:55:16 -0800 (PST) Received: from localhost.localdomain (cpc78119-cwma10-2-0-cust590.7-3.cable.virginm.net. [81.96.50.79]) by smtp.gmail.com with ESMTPSA id f14sm15373652wmq.3.2022.02.15.08.55.15 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 15 Feb 2022 08:55:15 -0800 (PST) From: Caleb Connolly To: caleb.connolly@linaro.org, Jonathan Cameron , Lars-Peter Clausen , Rob Herring , Andy Gross , Bjorn Andersson , Lee Jones , Stephen Boyd , linux-iio@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-msm@vger.kernel.org Cc: sumit.semwal@linaro.org, amit.pundir@linaro.org, john.stultz@linaro.org Subject: [PATCH v5 3/9] mfd: qcom-spmi-pmic: read fab id on supported PMICs Date: Tue, 15 Feb 2022 16:54:50 +0000 Message-Id: <20220215165456.1205583-4-caleb.connolly@linaro.org> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220215165456.1205583-1-caleb.connolly@linaro.org> References: <20220215165456.1205583-1-caleb.connolly@linaro.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-iio@vger.kernel.org The PMI8998 and PM660 expose the fab_id, this is needed by drivers like the RRADC to calibrate ADC values. Signed-off-by: Caleb Connolly --- drivers/mfd/qcom-spmi-pmic.c | 7 +++++++ include/soc/qcom/qcom-spmi-pmic.h | 1 + 2 files changed, 8 insertions(+) diff --git a/drivers/mfd/qcom-spmi-pmic.c b/drivers/mfd/qcom-spmi-pmic.c index 5e656485cd55..28600e5899bc 100644 --- a/drivers/mfd/qcom-spmi-pmic.c +++ b/drivers/mfd/qcom-spmi-pmic.c @@ -21,6 +21,7 @@ #define PMIC_REV4 0x103 #define PMIC_TYPE 0x104 #define PMIC_SUBTYPE 0x105 +#define PMIC_FAB_ID 0x1f2 #define PMIC_TYPE_VALUE 0x51 static const struct of_device_id pmic_spmi_id_table[] = { @@ -169,6 +170,12 @@ static int pmic_spmi_load_revid(struct regmap *map, struct device *dev, if (ret < 0) return ret; + if (pmic->subtype == PMI8998_SUBTYPE || pmic->subtype == PM660_SUBTYPE) { + ret = regmap_read(map, PMIC_FAB_ID, &pmic->fab_id); + if (ret < 0) + return ret; + } + /* * In early versions of PM8941 and PM8226, the major revision number * started incrementing from 0 (eg 0 = v1.0, 1 = v2.0). diff --git a/include/soc/qcom/qcom-spmi-pmic.h b/include/soc/qcom/qcom-spmi-pmic.h index a8a77be22cfc..c821f6c6c8a8 100644 --- a/include/soc/qcom/qcom-spmi-pmic.h +++ b/include/soc/qcom/qcom-spmi-pmic.h @@ -50,6 +50,7 @@ struct qcom_spmi_pmic { unsigned int major; unsigned int minor; unsigned int rev2; + unsigned int fab_id; const char *name; }; From patchwork Tue Feb 15 16:54:51 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Caleb Connolly X-Patchwork-Id: 12747332 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 E7A7BC433EF for ; Tue, 15 Feb 2022 16:55:23 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S241994AbiBOQza (ORCPT ); Tue, 15 Feb 2022 11:55:30 -0500 Received: from mxb-00190b01.gslb.pphosted.com ([23.128.96.19]:43242 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S242003AbiBOQz3 (ORCPT ); Tue, 15 Feb 2022 11:55:29 -0500 Received: from mail-wr1-x430.google.com (mail-wr1-x430.google.com [IPv6:2a00:1450:4864:20::430]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id DCA6A119F3F for ; Tue, 15 Feb 2022 08:55:18 -0800 (PST) Received: by mail-wr1-x430.google.com with SMTP id u1so19427288wrg.11 for ; Tue, 15 Feb 2022 08:55:18 -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:in-reply-to:references :mime-version:content-transfer-encoding; bh=BXhDDcjJdPDbZfpGFJmQRsA5lMP0BnPrEwgZzVXptZc=; b=meiTWsel7ZbC9L6PHG/OWYITdJiqi1rAGR7ERsKPwfaKJKXgXSK2zxPiKgIgrdR33h VwhbUwgNAbZVB9F1T8K1qVnpYDOCXCFTdUPO+ylLJrhejQokDV2lFL0lofKWsA0dhWVS e+3i9ZuZ2MMF4afrRXu8mAGs8g9jHvTjCXDG8j8GuoIatM+dZUNV/jT8q3hpq6CwEIGM lOc/fkX4ppRIaUQTFCTvJg8u9gZ86Y31Ev9SoSQ17pYWGZ6kAPOyeGLD+L4nSpHtG/rI du2TSMTylMKg5UcfmKfOoBceS7Kh+UgGdn4lUEzFUsP0tLBn3PbZiYOZOEkY0nvEFUQI 0v/A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=BXhDDcjJdPDbZfpGFJmQRsA5lMP0BnPrEwgZzVXptZc=; b=DlYaiCWLes6uNb5dt/qweAqOZiPdDiWp+GBsX6uE2mG0Wn9FLZOO3cpYzTZvEZFQEp 4/2zNoliL0ZE/WJpqq76OHifodxXedZQV5Dr6gi3DId65SYaxRX0GFtf5DolTfXIpL3a FK92TJEY18fomcHsUS2nEwIl/ieCSq9HikB96Kqy3pXa6dtEpxHsQRqewfsFX9T1ge1z NRrgwxgqhN6M2z1nrL7BlmSgypJ3o5UaIS//HK6zDqLsA5BhvS2pU46oRDDEFF3iUyei zAAyxJzO37NPq/aUoPmhD3IJo0lJkaik1pKTEWv2F+3zZXBCxr4qMXe+JREEB/znnY3x klRQ== X-Gm-Message-State: AOAM531F00jgQX1Gyz90DwPAiCfOteDmh5Wf9k60ym2NcGzQ9AUM37bR e6jw8PxoxH1WSBxcY3GMK/AZ0A== X-Google-Smtp-Source: ABdhPJwgLMF9CrvJtO+PUkLsT3YRgpq3NKokh3bHlDR5KlLuOxL26EByon4yDCZC/61gUBKU2O0OCw== X-Received: by 2002:a5d:598f:: with SMTP id n15mr4046453wri.478.1644944117406; Tue, 15 Feb 2022 08:55:17 -0800 (PST) Received: from localhost.localdomain (cpc78119-cwma10-2-0-cust590.7-3.cable.virginm.net. [81.96.50.79]) by smtp.gmail.com with ESMTPSA id f14sm15373652wmq.3.2022.02.15.08.55.16 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 15 Feb 2022 08:55:16 -0800 (PST) From: Caleb Connolly To: caleb.connolly@linaro.org, Jonathan Cameron , Lars-Peter Clausen , Rob Herring , Andy Gross , Bjorn Andersson , Lee Jones , Stephen Boyd , linux-iio@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-msm@vger.kernel.org Cc: sumit.semwal@linaro.org, amit.pundir@linaro.org, john.stultz@linaro.org, Rob Herring Subject: [PATCH v5 4/9] dt-bindings: iio: adc: document qcom-spmi-rradc Date: Tue, 15 Feb 2022 16:54:51 +0000 Message-Id: <20220215165456.1205583-5-caleb.connolly@linaro.org> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220215165456.1205583-1-caleb.connolly@linaro.org> References: <20220215165456.1205583-1-caleb.connolly@linaro.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-iio@vger.kernel.org Add dt-binding docs for the Qualcomm SPMI RRADC found in PMICs like PMI8998 and PMI8994 Signed-off-by: Caleb Connolly Reviewed-by: Rob Herring --- .../bindings/iio/adc/qcom,spmi-rradc.yaml | 54 +++++++++++++++++++ 1 file changed, 54 insertions(+) create mode 100644 Documentation/devicetree/bindings/iio/adc/qcom,spmi-rradc.yaml diff --git a/Documentation/devicetree/bindings/iio/adc/qcom,spmi-rradc.yaml b/Documentation/devicetree/bindings/iio/adc/qcom,spmi-rradc.yaml new file mode 100644 index 000000000000..11d47c46a48d --- /dev/null +++ b/Documentation/devicetree/bindings/iio/adc/qcom,spmi-rradc.yaml @@ -0,0 +1,54 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/iio/adc/qcom,spmi-rradc.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Qualcomm's SPMI PMIC Round Robin ADC + +maintainers: + - Caleb Connolly + +description: | + The Qualcomm SPMI Round Robin ADC (RRADC) provides interface to clients to read the + voltage, current and temperature for supported peripherals such as the battery thermistor + die temperature, charger temperature, USB and DC input voltage / current and battery ID + resistor. + +properties: + compatible: + enum: + - qcom,pmi8998-rradc + - qcom,pm660-rradc + + reg: + description: rradc base address and length in the SPMI PMIC register map + maxItems: 1 + + qcom,batt-id-delay-ms: + description: + Sets the hardware settling time for the battery ID resistor. + enum: [0, 1, 4, 12, 20, 40, 60, 80] + + "#io-channel-cells": + const: 1 + +required: + - compatible + - reg + +additionalProperties: false + +examples: + - | + pmic { + #address-cells = <1>; + #size-cells = <0>; + + pmic_rradc: adc@4500 { + compatible = "qcom,pmi8998-rradc"; + reg = <0x4500>; + #io-channel-cells = <1>; + }; + }; +... From patchwork Tue Feb 15 16:54:52 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Caleb Connolly X-Patchwork-Id: 12747333 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 DAED5C433EF for ; Tue, 15 Feb 2022 16:55:29 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S242025AbiBOQzi (ORCPT ); Tue, 15 Feb 2022 11:55:38 -0500 Received: from mxb-00190b01.gslb.pphosted.com ([23.128.96.19]:43648 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234339AbiBOQzd (ORCPT ); Tue, 15 Feb 2022 11:55:33 -0500 Received: from mail-wm1-x32e.google.com (mail-wm1-x32e.google.com [IPv6:2a00:1450:4864:20::32e]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0A522119420 for ; Tue, 15 Feb 2022 08:55:20 -0800 (PST) Received: by mail-wm1-x32e.google.com with SMTP id l123-20020a1c2581000000b0037b9d960079so1953279wml.0 for ; Tue, 15 Feb 2022 08:55:19 -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:in-reply-to:references :mime-version:content-transfer-encoding; bh=zmMhaeoKKIrlqp/QdUTSFWhFWfnFORqopsmkAsDjQFw=; b=C7Ij9ZwNmZRxsgKEpyYpSQbJI51FqkymazT0s1HNUmfcFECoFLd8y2Zh9vEiPlLrcV 8vyvk83MUPcb/Sn5VTT/9vLDJjrGdJOQibyDa2uK0bS599+l04odf+hPwMX+oMvxI0mK LAUzpOX9w5tCpK3KsGdTtvag1KS9ESFOHbQy/ReQuQ2fbnAN6i5bdtWK66e/XEa43mFU PwsOBuP9X/XC+AXOClKApnWuydqdvio29rIRr76FtCnL+dkGT/ktbyQa/KMoCfxMnFqq ZAWJXBsK1cDINg+L/93tTpiJQop9g0TXW8X+8jA8X+RrXpIFaTEeaCPw2WFBK/qv+2yn NjoQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=zmMhaeoKKIrlqp/QdUTSFWhFWfnFORqopsmkAsDjQFw=; b=i7ziN0uAPEVjdh1T/RzIMZLv7cVrBcVMQA4gJ1vfwO+MEfQYKJq9po3Nt2emdNZh/Z CU61hC2zruXBEonyI9u2PXLj55yORXSY/6XNbEDIwq3v6HC6rFA7Zjj08CGiduSpbbUa IK9ITM9kiQ9IIDzx+GKBPEnf70XoPH1wtmCaqKLZRxm3djerQ3QqSV3UmXC4bFPEOf2c vvPAo+WDw3o9tyupH9c157zrmiHGWDZ3jFloQObP7c1fcX6nRkJvzJ3Cm/0Fa4NHLuX7 bNYAOK+Yw5wVmrEXTn5JEJ2Vx8pKECr7g3w5LFVrLfwiDC1MighPVA4YtwTCO/TIE7O6 XJFw== X-Gm-Message-State: AOAM533Y4dVUFilq9jrFuiPlUj5ejtDaRaMVd2fsepvaN66hfSPZV3JO Ey3XjhtE0N25RqBmXBCo3C67/A== X-Google-Smtp-Source: ABdhPJwmRYIMcNnVchsXrt+FomDtodAP1icAbk91Il6P2/1P/wDqJaHlROH9MTjEYzfoFf56PqWyrA== X-Received: by 2002:a05:600c:3c93:: with SMTP id bg19mr3913193wmb.161.1644944118460; Tue, 15 Feb 2022 08:55:18 -0800 (PST) Received: from localhost.localdomain (cpc78119-cwma10-2-0-cust590.7-3.cable.virginm.net. [81.96.50.79]) by smtp.gmail.com with ESMTPSA id f14sm15373652wmq.3.2022.02.15.08.55.17 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 15 Feb 2022 08:55:18 -0800 (PST) From: Caleb Connolly To: caleb.connolly@linaro.org, Jonathan Cameron , Lars-Peter Clausen , Rob Herring , Andy Gross , Bjorn Andersson , Lee Jones , Stephen Boyd , linux-iio@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-msm@vger.kernel.org Cc: sumit.semwal@linaro.org, amit.pundir@linaro.org, john.stultz@linaro.org Subject: [PATCH v5 5/9] iio: adc: qcom-spmi-rradc: introduce round robin adc Date: Tue, 15 Feb 2022 16:54:52 +0000 Message-Id: <20220215165456.1205583-6-caleb.connolly@linaro.org> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220215165456.1205583-1-caleb.connolly@linaro.org> References: <20220215165456.1205583-1-caleb.connolly@linaro.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-iio@vger.kernel.org The Round Robin ADC is responsible for reading data about the rate of charge from the USB or DC input ports, it can also read the battery ID (resistence), skin temperature and the die temperature of the pmic. It is found on the PMI8998 and PM660 Qualcomm PMICs. Signed-off-by: Caleb Connolly --- drivers/iio/adc/Kconfig | 12 + drivers/iio/adc/Makefile | 1 + drivers/iio/adc/qcom-spmi-rradc.c | 1016 +++++++++++++++++++++++++++++ 3 files changed, 1029 insertions(+) create mode 100644 drivers/iio/adc/qcom-spmi-rradc.c diff --git a/drivers/iio/adc/Kconfig b/drivers/iio/adc/Kconfig index 4fdc8bfbb407..66557b434fa8 100644 --- a/drivers/iio/adc/Kconfig +++ b/drivers/iio/adc/Kconfig @@ -812,6 +812,18 @@ config QCOM_PM8XXX_XOADC To compile this driver as a module, choose M here: the module will be called qcom-pm8xxx-xoadc. +config QCOM_SPMI_RRADC + tristate "Qualcomm SPMI RRADC" + depends on MFD_SPMI_PMIC + help + This is for the PMIC Round Robin ADC driver. + + This driver exposes the battery ID resistor, battery thermal, PMIC die + temperature, charger USB in and DC in voltage and current. + + To compile this driver as a module, choose M here: the module will + be called qcom-qpmi-rradc. + config QCOM_SPMI_IADC tristate "Qualcomm SPMI PMIC current ADC" depends on SPMI diff --git a/drivers/iio/adc/Makefile b/drivers/iio/adc/Makefile index 4a8f1833993b..b0dd7f142abd 100644 --- a/drivers/iio/adc/Makefile +++ b/drivers/iio/adc/Makefile @@ -77,6 +77,7 @@ obj-$(CONFIG_NPCM_ADC) += npcm_adc.o obj-$(CONFIG_PALMAS_GPADC) += palmas_gpadc.o obj-$(CONFIG_QCOM_SPMI_ADC5) += qcom-spmi-adc5.o obj-$(CONFIG_QCOM_SPMI_IADC) += qcom-spmi-iadc.o +obj-$(CONFIG_QCOM_SPMI_RRADC) += qcom-spmi-rradc.o obj-$(CONFIG_QCOM_VADC_COMMON) += qcom-vadc-common.o obj-$(CONFIG_QCOM_SPMI_VADC) += qcom-spmi-vadc.o obj-$(CONFIG_QCOM_PM8XXX_XOADC) += qcom-pm8xxx-xoadc.o diff --git a/drivers/iio/adc/qcom-spmi-rradc.c b/drivers/iio/adc/qcom-spmi-rradc.c new file mode 100644 index 000000000000..c2d19ddd5f3b --- /dev/null +++ b/drivers/iio/adc/qcom-spmi-rradc.c @@ -0,0 +1,1016 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Copyright (c) 2022 Linaro Limited. + * Author: Caleb Connolly + * + * This driver is for the Round Robin ADC found in the pmi8998 and pm660 PMICs. + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include + +#include +#include + +#include + +#define DRIVER_NAME "qcom-spmi-rradc" + +#define RR_ADC_EN_CTL 0x46 +#define RR_ADC_SKIN_TEMP_LSB 0x50 +#define RR_ADC_SKIN_TEMP_MSB 0x51 +#define RR_ADC_CTL 0x52 +#define RR_ADC_CTL_CONTINUOUS_SEL BIT(3) +#define RR_ADC_LOG 0x53 +#define RR_ADC_LOG_CLR_CTRL BIT(0) + +#define RR_ADC_FAKE_BATT_LOW_LSB 0x58 +#define RR_ADC_FAKE_BATT_LOW_MSB 0x59 +#define RR_ADC_FAKE_BATT_HIGH_LSB 0x5A +#define RR_ADC_FAKE_BATT_HIGH_MSB 0x5B + +#define RR_ADC_BATT_ID_CTRL 0x60 +#define RR_ADC_BATT_ID_CTRL_CHANNEL_CONV BIT(0) +#define RR_ADC_BATT_ID_TRIGGER 0x61 +#define RR_ADC_BATT_ID_STS 0x62 +#define RR_ADC_BATT_ID_CFG 0x63 +#define BATT_ID_SETTLE_MASK GENMASK(7, 5) +#define RR_ADC_BATT_ID_5_LSB 0x66 +#define RR_ADC_BATT_ID_5_MSB 0x67 +#define RR_ADC_BATT_ID_15_LSB 0x68 +#define RR_ADC_BATT_ID_15_MSB 0x69 +#define RR_ADC_BATT_ID_150_LSB 0x6A +#define RR_ADC_BATT_ID_150_MSB 0x6B + +#define RR_ADC_BATT_THERM_CTRL 0x70 +#define RR_ADC_BATT_THERM_TRIGGER 0x71 +#define RR_ADC_BATT_THERM_STS 0x72 +#define RR_ADC_BATT_THERM_CFG 0x73 +#define RR_ADC_BATT_THERM_LSB 0x74 +#define RR_ADC_BATT_THERM_MSB 0x75 +#define RR_ADC_BATT_THERM_FREQ 0x76 + +#define RR_ADC_AUX_THERM_CTRL 0x80 +#define RR_ADC_AUX_THERM_TRIGGER 0x81 +#define RR_ADC_AUX_THERM_STS 0x82 +#define RR_ADC_AUX_THERM_CFG 0x83 +#define RR_ADC_AUX_THERM_LSB 0x84 +#define RR_ADC_AUX_THERM_MSB 0x85 + +#define RR_ADC_SKIN_HOT 0x86 +#define RR_ADC_SKIN_TOO_HOT 0x87 + +#define RR_ADC_AUX_THERM_C1 0x88 +#define RR_ADC_AUX_THERM_C2 0x89 +#define RR_ADC_AUX_THERM_C3 0x8A +#define RR_ADC_AUX_THERM_HALF_RANGE 0x8B + +#define RR_ADC_USB_IN_V_CTRL 0x90 +#define RR_ADC_USB_IN_V_TRIGGER 0x91 +#define RR_ADC_USB_IN_V_STS 0x92 +#define RR_ADC_USB_IN_V_LSB 0x94 +#define RR_ADC_USB_IN_V_MSB 0x95 +#define RR_ADC_USB_IN_I_CTRL 0x98 +#define RR_ADC_USB_IN_I_TRIGGER 0x99 +#define RR_ADC_USB_IN_I_STS 0x9A +#define RR_ADC_USB_IN_I_LSB 0x9C +#define RR_ADC_USB_IN_I_MSB 0x9D + +#define RR_ADC_DC_IN_V_CTRL 0xA0 +#define RR_ADC_DC_IN_V_TRIGGER 0xA1 +#define RR_ADC_DC_IN_V_STS 0xA2 +#define RR_ADC_DC_IN_V_LSB 0xA4 +#define RR_ADC_DC_IN_V_MSB 0xA5 +#define RR_ADC_DC_IN_I_CTRL 0xA8 +#define RR_ADC_DC_IN_I_TRIGGER 0xA9 +#define RR_ADC_DC_IN_I_STS 0xAA +#define RR_ADC_DC_IN_I_LSB 0xAC +#define RR_ADC_DC_IN_I_MSB 0xAD + +#define RR_ADC_PMI_DIE_TEMP_CTRL 0xB0 +#define RR_ADC_PMI_DIE_TEMP_TRIGGER 0xB1 +#define RR_ADC_PMI_DIE_TEMP_STS 0xB2 +#define RR_ADC_PMI_DIE_TEMP_CFG 0xB3 +#define RR_ADC_PMI_DIE_TEMP_LSB 0xB4 +#define RR_ADC_PMI_DIE_TEMP_MSB 0xB5 + +#define RR_ADC_CHARGER_TEMP_CTRL 0xB8 +#define RR_ADC_CHARGER_TEMP_TRIGGER 0xB9 +#define RR_ADC_CHARGER_TEMP_STS 0xBA +#define RR_ADC_CHARGER_TEMP_CFG 0xBB +#define RR_ADC_CHARGER_TEMP_LSB 0xBC +#define RR_ADC_CHARGER_TEMP_MSB 0xBD +#define RR_ADC_CHARGER_HOT 0xBE +#define RR_ADC_CHARGER_TOO_HOT 0xBF + +#define RR_ADC_GPIO_CTRL 0xC0 +#define RR_ADC_GPIO_TRIGGER 0xC1 +#define RR_ADC_GPIO_STS 0xC2 +#define RR_ADC_GPIO_LSB 0xC4 +#define RR_ADC_GPIO_MSB 0xC5 + +#define RR_ADC_ATEST_CTRL 0xC8 +#define RR_ADC_ATEST_TRIGGER 0xC9 +#define RR_ADC_ATEST_STS 0xCA +#define RR_ADC_ATEST_LSB 0xCC +#define RR_ADC_ATEST_MSB 0xCD +#define RR_ADC_SEC_ACCESS 0xD0 + +#define RR_ADC_PERPH_RESET_CTL2 0xD9 +#define RR_ADC_PERPH_RESET_CTL3 0xDA +#define RR_ADC_PERPH_RESET_CTL4 0xDB +#define RR_ADC_INT_TEST1 0xE0 +#define RR_ADC_INT_TEST_VAL 0xE1 + +#define RR_ADC_TM_TRIGGER_CTRLS 0xE2 +#define RR_ADC_TM_ADC_CTRLS 0xE3 +#define RR_ADC_TM_CNL_CTRL 0xE4 +#define RR_ADC_TM_BATT_ID_CTRL 0xE5 +#define RR_ADC_TM_THERM_CTRL 0xE6 +#define RR_ADC_TM_CONV_STS 0xE7 +#define RR_ADC_TM_ADC_READ_LSB 0xE8 +#define RR_ADC_TM_ADC_READ_MSB 0xE9 +#define RR_ADC_TM_ATEST_MUX_1 0xEA +#define RR_ADC_TM_ATEST_MUX_2 0xEB +#define RR_ADC_TM_REFERENCES 0xED +#define RR_ADC_TM_MISC_CTL 0xEE +#define RR_ADC_TM_RR_CTRL 0xEF + +#define RR_ADC_TRIGGER_EVERY_CYCLE BIT(7) +#define RR_ADC_TRIGGER_CTL BIT(0) + +#define RR_ADC_BATT_ID_RANGE 820 + +#define RR_ADC_BITS 10 +#define RR_ADC_CHAN_MSB (1 << RR_ADC_BITS) +#define RR_ADC_FS_VOLTAGE_MV 2500 + +/* BATT_THERM 0.25K/LSB */ +#define RR_ADC_BATT_THERM_LSB_K 4 + +#define RR_ADC_TEMP_FS_VOLTAGE_NUM 5000000 +#define RR_ADC_TEMP_FS_VOLTAGE_DEN 3 +#define RR_ADC_DIE_TEMP_OFFSET 601400 +#define RR_ADC_DIE_TEMP_SLOPE 2 +#define RR_ADC_DIE_TEMP_OFFSET_MILLI_DEGC 25000 + +#define RR_ADC_CHG_TEMP_GF_OFFSET_UV 1303168 +#define RR_ADC_CHG_TEMP_GF_SLOPE_UV_PER_C 3784 +#define RR_ADC_CHG_TEMP_SMIC_OFFSET_UV 1338433 +#define RR_ADC_CHG_TEMP_SMIC_SLOPE_UV_PER_C 3655 +#define RR_ADC_CHG_TEMP_660_GF_OFFSET_UV 1309001 +#define RR_ADC_CHG_TEMP_660_GF_SLOPE_UV_PER_C 3403 +#define RR_ADC_CHG_TEMP_660_SMIC_OFFSET_UV 1295898 +#define RR_ADC_CHG_TEMP_660_SMIC_SLOPE_UV_PER_C 3596 +#define RR_ADC_CHG_TEMP_660_MGNA_OFFSET_UV 1314779 +#define RR_ADC_CHG_TEMP_660_MGNA_SLOPE_UV_PER_C 3496 +#define RR_ADC_CHG_TEMP_OFFSET_MILLI_DEGC 25000 +#define RR_ADC_CHG_THRESHOLD_SCALE 4 + +#define RR_ADC_VOLT_INPUT_FACTOR 8 +#define RR_ADC_CURR_INPUT_FACTOR 2000 +#define RR_ADC_CURR_USBIN_INPUT_FACTOR_MIL 1886 +#define RR_ADC_CURR_USBIN_660_FACTOR_MIL 9 +#define RR_ADC_CURR_USBIN_660_UV_VAL 579500 + +#define RR_ADC_GPIO_FS_RANGE 5000 +#define RR_ADC_COHERENT_CHECK_RETRY 5 +#define RR_ADC_CHAN_MAX_CONTINUOUS_BUFFER_LEN 16 + +#define RR_ADC_STS_CHANNEL_READING_MASK GENMASK(1, 0) // 0x03 +#define RR_ADC_STS_CHANNEL_STS BIT(1) + +#define RR_ADC_TP_REV_VERSION1 21 +#define RR_ADC_TP_REV_VERSION2 29 +#define RR_ADC_TP_REV_VERSION3 32 + +#define RRADC_BATT_ID_DELAY_MAX 8 + +enum rradc_channel_id { + RR_ADC_BATT_ID = 0, + RR_ADC_BATT_THERM, + RR_ADC_SKIN_TEMP, + RR_ADC_USBIN_I, + RR_ADC_USBIN_V, + RR_ADC_DCIN_I, + RR_ADC_DCIN_V, + RR_ADC_DIE_TEMP, + RR_ADC_CHG_TEMP, + RR_ADC_GPIO, + RR_ADC_CHAN_MAX +}; + +struct rradc_chip; + +/** + * struct rradc_channel - rradc channel data + * @label: channel label + * @lsb: Channel least significant byte + * @status: Channel status address + * @size: number of bytes to read + * @trigger_addr: Trigger address, trigger is only used on some channels + * @trigger_mask: Trigger mask + * @scale_fn: Post process callback for channels which can't be exposed + * as offset + scale. + */ +struct rradc_channel { + const char *label; + u8 lsb; + u8 status; + int size; + int trigger_addr; + int trigger_mask; + int (*scale_fn)(struct rradc_chip *chip, u16 adc_code, int *result); +}; + +struct rradc_chip { + struct device *dev; + const struct qcom_spmi_pmic *pmic; + /* Lock held while doing channel conversion + * involving multiple register read/writes + */ + struct mutex conversion_lock; + struct regmap *regmap; + u32 base; + int batt_id_delay; + u16 batt_id_data; +}; + +static const int batt_id_delays[] = { 0, 1, 4, 12, 20, 40, 60, 80 }; +static const struct rradc_channel rradc_chans[RR_ADC_CHAN_MAX]; +static const struct iio_chan_spec rradc_iio_chans[RR_ADC_CHAN_MAX]; + +static int rradc_read(struct rradc_chip *chip, u16 addr, u8 *data, int len) +{ + int ret, retry_cnt = 0; + u8 data_check[RR_ADC_CHAN_MAX_CONTINUOUS_BUFFER_LEN]; + + if (len > RR_ADC_CHAN_MAX_CONTINUOUS_BUFFER_LEN) { + dev_err(chip->dev, + "Can't read more than %d bytes, but asked to read %d bytes.\n", + RR_ADC_CHAN_MAX_CONTINUOUS_BUFFER_LEN, len); + return -EINVAL; + } + + while (retry_cnt < RR_ADC_COHERENT_CHECK_RETRY) { + ret = regmap_bulk_read(chip->regmap, chip->base + addr, data, + len); + if (ret < 0) { + dev_err(chip->dev, "rr_adc reg 0x%x failed :%d\n", addr, + ret); + return ret; + } + + ret = regmap_bulk_read(chip->regmap, chip->base + addr, + data_check, len); + if (ret < 0) { + dev_err(chip->dev, "rr_adc reg 0x%x failed :%d\n", addr, + ret); + return ret; + } + + if (memcmp(data, data_check, len) != 0) { + retry_cnt++; + dev_dbg(chip->dev, + "coherent read error, retry_cnt:%d\n", + retry_cnt); + continue; + } + + break; + } + + if (retry_cnt == RR_ADC_COHERENT_CHECK_RETRY) + dev_err(chip->dev, "Retry exceeded for coherrency check\n"); + + return ret; +} + +static int rradc_get_fab_coeff(struct rradc_chip *chip, int64_t *offset, + int64_t *slope) +{ + if (chip->pmic->subtype == PM660_SUBTYPE) { + switch (chip->pmic->fab_id) { + case PM660_FAB_ID_GF: + *offset = RR_ADC_CHG_TEMP_660_GF_OFFSET_UV; + *slope = RR_ADC_CHG_TEMP_660_GF_SLOPE_UV_PER_C; + break; + case PM660_FAB_ID_TSMC: + *offset = RR_ADC_CHG_TEMP_660_SMIC_OFFSET_UV; + *slope = RR_ADC_CHG_TEMP_660_SMIC_SLOPE_UV_PER_C; + break; + default: + *offset = RR_ADC_CHG_TEMP_660_MGNA_OFFSET_UV; + *slope = RR_ADC_CHG_TEMP_660_MGNA_SLOPE_UV_PER_C; + } + } else if (chip->pmic->subtype == PMI8998_SUBTYPE) { + switch (chip->pmic->fab_id) { + case PMI8998_FAB_ID_GF: + *offset = RR_ADC_CHG_TEMP_GF_OFFSET_UV; + *slope = RR_ADC_CHG_TEMP_GF_SLOPE_UV_PER_C; + break; + case PMI8998_FAB_ID_SMIC: + *offset = RR_ADC_CHG_TEMP_SMIC_OFFSET_UV; + *slope = RR_ADC_CHG_TEMP_SMIC_SLOPE_UV_PER_C; + break; + default: + return -EINVAL; + } + } else { + return -EINVAL; + } + + return 0; +} + +/* + * These functions explicitly cast int64_t to int. + * They will never overflow, as the values are small enough. + */ +static int rradc_post_process_batt_id(struct rradc_chip *chip, u16 adc_code, + int *result_ohms) +{ + uint32_t current_value; + int64_t r_id; + + current_value = chip->batt_id_data; + r_id = ((int64_t)adc_code * RR_ADC_FS_VOLTAGE_MV); + r_id = div64_s64(r_id, (RR_ADC_CHAN_MSB * current_value)); + *result_ohms = (int)(r_id * MILLI); + + return 0; +} + +static int rradc_enable_continuous_mode(struct rradc_chip *chip) +{ + int ret; + + /* Clear channel log */ + ret = regmap_update_bits(chip->regmap, chip->base + RR_ADC_LOG, + RR_ADC_LOG_CLR_CTRL, RR_ADC_LOG_CLR_CTRL); + if (ret < 0) { + dev_err(chip->dev, "log ctrl update to clear failed:%d\n", ret); + return ret; + } + + ret = regmap_update_bits(chip->regmap, chip->base + RR_ADC_LOG, + RR_ADC_LOG_CLR_CTRL, 0); + if (ret < 0) { + dev_err(chip->dev, "log ctrl update to not clear failed:%d\n", + ret); + return ret; + } + + /* Switch to continuous mode */ + ret = regmap_update_bits(chip->regmap, chip->base + RR_ADC_CTL, + RR_ADC_CTL_CONTINUOUS_SEL, + RR_ADC_CTL_CONTINUOUS_SEL); + if (ret < 0) + dev_err(chip->dev, "Update to continuous mode failed:%d\n", + ret); + + return ret; +} + +static int rradc_disable_continuous_mode(struct rradc_chip *chip) +{ + int ret; + + /* Switch to non continuous mode */ + ret = regmap_update_bits(chip->regmap, chip->base + RR_ADC_CTL, + RR_ADC_CTL_CONTINUOUS_SEL, 0); + if (ret < 0) + dev_err(chip->dev, "Update to non-continuous mode failed:%d\n", + ret); + + return ret; +} + +static bool rradc_is_ready(struct rradc_chip *chip, + enum rradc_channel_id chan_address) +{ + const struct rradc_channel *chan = &rradc_chans[chan_address]; + int ret; + unsigned int status, mask; + + /* BATT_ID STS bit does not get set initially */ + switch (chan_address) { + case RR_ADC_BATT_ID: + mask = RR_ADC_STS_CHANNEL_STS; + break; + default: + mask = RR_ADC_STS_CHANNEL_READING_MASK; + break; + } + + ret = regmap_read(chip->regmap, chip->base + chan->status, &status); + if (ret < 0 || !(status & mask)) + return false; + + return true; +} + +static int rradc_read_status_in_cont_mode(struct rradc_chip *chip, + enum rradc_channel_id chan_address) +{ + const struct rradc_channel *chan = &rradc_chans[chan_address]; + const struct iio_chan_spec *iio_chan = &rradc_iio_chans[chan_address]; + int ret, i; + + if (chan->trigger_mask == 0) { + dev_err(chip->dev, "Channel doesn't have a trigger mask\n"); + return -EINVAL; + } + + ret = regmap_update_bits(chip->regmap, chip->base + chan->trigger_addr, + chan->trigger_mask, chan->trigger_mask); + if (ret < 0) { + dev_err(chip->dev, + "Failed to apply trigger for channel '%s' ret=%d\n", + iio_chan->extend_name, ret); + return ret; + } + + ret = rradc_enable_continuous_mode(chip); + if (ret < 0) { + dev_err(chip->dev, "Failed to switch to continuous mode\n"); + goto disable_trigger; + } + + /* + * The wait/sleep values were found through trial and error, + * this is mostly for the battery ID channel which takes some + * time to settle. + */ + for (i = 0; i < 5; i++) { + if (rradc_is_ready(chip, chan_address)) + break; + usleep_range(50000, 50000 + 500); + } + + if (i == 5) { + dev_err(chip->dev, "Channel '%s' is not ready\n", + iio_chan->extend_name); + ret = -EINVAL; + } + + rradc_disable_continuous_mode(chip); + +disable_trigger: + regmap_update_bits(chip->regmap, chip->base + chan->trigger_addr, + chan->trigger_mask, 0); + + return ret; +} + +static int rradc_prepare_batt_id_conversion(struct rradc_chip *chip, + enum rradc_channel_id chan_address, + u16 *data) +{ + int ret; + + ret = regmap_update_bits(chip->regmap, chip->base + RR_ADC_BATT_ID_CTRL, + RR_ADC_BATT_ID_CTRL_CHANNEL_CONV, + RR_ADC_BATT_ID_CTRL_CHANNEL_CONV); + if (ret < 0) { + dev_err(chip->dev, "Enabling BATT ID channel failed:%d\n", ret); + return ret; + } + + ret = regmap_update_bits(chip->regmap, + chip->base + RR_ADC_BATT_ID_TRIGGER, + RR_ADC_TRIGGER_CTL, RR_ADC_TRIGGER_CTL); + if (ret < 0) { + dev_err(chip->dev, "BATT_ID trigger set failed:%d\n", ret); + goto out_disable_batt_id; + } + + ret = rradc_read_status_in_cont_mode(chip, chan_address); + + /* + * Reset registers back to default values + */ + regmap_update_bits(chip->regmap, chip->base + RR_ADC_BATT_ID_TRIGGER, + RR_ADC_TRIGGER_CTL, 0); + +out_disable_batt_id: + regmap_update_bits(chip->regmap, chip->base + RR_ADC_BATT_ID_CTRL, + RR_ADC_BATT_ID_CTRL_CHANNEL_CONV, 0); + + return ret; +} + +static int rradc_do_conversion(struct rradc_chip *chip, + enum rradc_channel_id chan_address, u16 *data) +{ + const struct rradc_channel *chan = &rradc_chans[chan_address]; + const struct iio_chan_spec *iio_chan = &rradc_iio_chans[chan_address]; + int ret; + u8 buf[6]; + + mutex_lock(&chip->conversion_lock); + + switch (chan_address) { + case RR_ADC_BATT_ID: + ret = rradc_prepare_batt_id_conversion(chip, chan_address, data); + if (ret < 0) { + dev_err(chip->dev, "Battery ID conversion failed:%d\n", + ret); + goto unlock_out; + } + break; + + case RR_ADC_USBIN_V: + case RR_ADC_DIE_TEMP: + ret = rradc_read_status_in_cont_mode(chip, chan_address); + if (ret < 0) { + dev_err(chip->dev, + "Error reading in continuous mode:%d\n", ret); + goto unlock_out; + } + break; + default: + if (!rradc_is_ready(chip, chan_address)) { + /* + * Usually this means the channel isn't attached, for example + * the in_voltage_usbin_v_input channel will not be ready if + * no USB cable is attached + */ + dev_dbg(chip->dev, "channel '%s' is not ready\n", + iio_chan->extend_name); + ret = -ENODATA; + goto unlock_out; + } + break; + } + + ret = rradc_read(chip, chan->lsb, buf, chan->size); + if (ret) { + dev_err(chip->dev, "read data failed\n"); + goto unlock_out; + } + + /* + * For the battery ID we read the register for every ID ADC and then + * see which one is actually connected. + */ + if (chan_address == RR_ADC_BATT_ID) { + u16 batt_id_150 = get_unaligned_le16(buf + 4); + u16 batt_id_15 = get_unaligned_le16(buf + 2); + u16 batt_id_5 = get_unaligned_le16(buf); + + if (!batt_id_150 && !batt_id_15 && !batt_id_5) { + dev_err(chip->dev, + "Invalid batt_id values with all zeros\n"); + ret = -EINVAL; + goto unlock_out; + } + + if (batt_id_150 <= RR_ADC_BATT_ID_RANGE) { + *data = batt_id_150; + chip->batt_id_data = 150; + } else if (batt_id_15 <= RR_ADC_BATT_ID_RANGE) { + *data = batt_id_15; + chip->batt_id_data = 15; + } else { + *data = batt_id_5; + chip->batt_id_data = 5; + } + } else { + /* + * All of the other channels are either 1 or 2 bytes. + * We can rely on the second byte being 0 for 1-byte channels. + */ + *data = get_unaligned_le16(buf); + } + +unlock_out: + mutex_unlock(&chip->conversion_lock); + + return ret; +} + +static int rradc_read_scale(struct rradc_chip *chip, int chan_address, int *val, + int *val2) +{ + int64_t fab_offset, fab_slope; + int ret; + + ret = rradc_get_fab_coeff(chip, &fab_offset, &fab_slope); + if (ret < 0) { + dev_err(chip->dev, "Unable to get fab id coefficients\n"); + return -EINVAL; + } + + switch (chan_address) { + case RR_ADC_SKIN_TEMP: + *val = MILLI; + *val2 = RR_ADC_BATT_THERM_LSB_K; + return IIO_VAL_FRACTIONAL; + case RR_ADC_USBIN_I: + *val = RR_ADC_CURR_USBIN_INPUT_FACTOR_MIL * + RR_ADC_FS_VOLTAGE_MV; + *val2 = RR_ADC_CHAN_MSB; + return IIO_VAL_FRACTIONAL; + case RR_ADC_DCIN_I: + *val = RR_ADC_CURR_INPUT_FACTOR * RR_ADC_FS_VOLTAGE_MV; + *val2 = RR_ADC_CHAN_MSB; + return IIO_VAL_FRACTIONAL; + case RR_ADC_USBIN_V: + case RR_ADC_DCIN_V: + *val = RR_ADC_VOLT_INPUT_FACTOR * RR_ADC_FS_VOLTAGE_MV * MILLI; + *val2 = RR_ADC_CHAN_MSB; + return IIO_VAL_FRACTIONAL; + case RR_ADC_GPIO: + *val = RR_ADC_GPIO_FS_RANGE; + *val2 = RR_ADC_CHAN_MSB; + return IIO_VAL_FRACTIONAL; + case RR_ADC_CHG_TEMP: + /* + * We divide val2 by MILLI instead of multiplying val + * to avoid an integer overflow. + */ + *val = -RR_ADC_TEMP_FS_VOLTAGE_NUM; + *val2 = div64_s64(RR_ADC_TEMP_FS_VOLTAGE_DEN * RR_ADC_CHAN_MSB * + fab_slope, + MILLI); + + return IIO_VAL_FRACTIONAL; + case RR_ADC_DIE_TEMP: + *val = RR_ADC_TEMP_FS_VOLTAGE_NUM; + *val2 = RR_ADC_TEMP_FS_VOLTAGE_DEN * RR_ADC_CHAN_MSB * + RR_ADC_DIE_TEMP_SLOPE; + + return IIO_VAL_FRACTIONAL; + default: + break; + } + + return -EINVAL; +} + +static int rradc_read_offset(struct rradc_chip *chip, int chan_address, int *val) +{ + int64_t fab_offset, fab_slope; + int64_t offset1, offset2; + int ret; + + switch (chan_address) { + case RR_ADC_SKIN_TEMP: + /* + * Offset from kelvin to degC, divided by the + * scale factor (250). We lose some precision here. + * 273150 / 250 = 1092.6 + */ + *val = div64_s64(ABSOLUTE_ZERO_MILLICELSIUS, + (MILLI / RR_ADC_BATT_THERM_LSB_K)); + return IIO_VAL_INT; + case RR_ADC_CHG_TEMP: + ret = rradc_get_fab_coeff(chip, &fab_offset, &fab_slope); + if (ret < 0) { + dev_err(chip->dev, + "Unable to get fab id coefficients\n"); + return -EINVAL; + } + offset1 = -(fab_offset * RR_ADC_TEMP_FS_VOLTAGE_DEN * + RR_ADC_CHAN_MSB); + offset1 += (int64_t)RR_ADC_TEMP_FS_VOLTAGE_NUM / 2ULL; + offset1 = div64_s64(offset1, + (int64_t)(RR_ADC_TEMP_FS_VOLTAGE_NUM)); + + offset2 = (int64_t)RR_ADC_CHG_TEMP_OFFSET_MILLI_DEGC * + RR_ADC_TEMP_FS_VOLTAGE_DEN * RR_ADC_CHAN_MSB * + (int64_t)fab_slope; + offset2 += ((int64_t)MILLI * RR_ADC_TEMP_FS_VOLTAGE_NUM) / 2; + offset2 = div64_s64( + offset2, ((int64_t)MILLI * RR_ADC_TEMP_FS_VOLTAGE_NUM)); + + /* + * The -1 is to compensate for lost precision. + * It should actually be -0.7906976744186046. + * This works out to every value being off + * by about +0.091 degrees C after applying offset and scale. + */ + *val = (int)(offset1 - offset2 - 1); + return IIO_VAL_INT; + case RR_ADC_DIE_TEMP: + offset1 = -RR_ADC_DIE_TEMP_OFFSET * + (int64_t)RR_ADC_TEMP_FS_VOLTAGE_DEN * + (int64_t)RR_ADC_CHAN_MSB; + offset1 = div64_s64(offset1, RR_ADC_TEMP_FS_VOLTAGE_NUM); + + offset2 = -(int64_t)RR_ADC_CHG_TEMP_OFFSET_MILLI_DEGC * + RR_ADC_TEMP_FS_VOLTAGE_DEN * RR_ADC_CHAN_MSB * + RR_ADC_DIE_TEMP_SLOPE; + offset2 = div64_s64(offset2, + ((int64_t)RR_ADC_TEMP_FS_VOLTAGE_NUM)); + + /* + * The result is -339, it should be -338.69789, this results + * in the calculated die temp being off by + * -0.004 - -0.0175 degrees C + */ + *val = (int)(offset1 - offset2); + return IIO_VAL_INT; + default: + break; + } + return -EINVAL; +} + +static int rradc_read_raw(struct iio_dev *indio_dev, + struct iio_chan_spec const *chan_spec, int *val, + int *val2, long mask) +{ + struct rradc_chip *chip = iio_priv(indio_dev); + const struct rradc_channel *chan; + int ret; + u16 adc_code; + + if (chan_spec->address >= RR_ADC_CHAN_MAX) { + dev_err(chip->dev, "Invalid channel index:%d\n", + chan_spec->address); + return -EINVAL; + } + + switch (mask) { + case IIO_CHAN_INFO_SCALE: + return rradc_read_scale(chip, chan_spec->address, val, val2); + case IIO_CHAN_INFO_OFFSET: + return rradc_read_offset(chip, chan_spec->address, val); + case IIO_CHAN_INFO_RAW: + chan = &rradc_chans[chan_spec->address]; + ret = rradc_do_conversion(chip, chan_spec->address, &adc_code); + if (ret < 0) + return ret; + + *val = adc_code; + return IIO_VAL_INT; + case IIO_CHAN_INFO_PROCESSED: + chan = &rradc_chans[chan_spec->address]; + if (!chan->scale_fn) + return -EINVAL; + ret = rradc_do_conversion(chip, chan_spec->address, &adc_code); + if (ret < 0) + return ret; + + *val = chan->scale_fn(chip, adc_code, val); + return IIO_VAL_INT; + default: + return -EINVAL; + } +} + +static int rradc_read_label(struct iio_dev *indio_dev, + struct iio_chan_spec const *chan, char *label) +{ + return snprintf(label, PAGE_SIZE, "%s\n", + rradc_chans[chan->address].label); +} + +static const struct iio_info rradc_info = { + .read_raw = rradc_read_raw, + .read_label = rradc_read_label, +}; + +static const struct rradc_channel rradc_chans[RR_ADC_CHAN_MAX] = { + { + .label = "batt_id", + .scale_fn = rradc_post_process_batt_id, + .lsb = RR_ADC_BATT_ID_5_LSB, + .status = RR_ADC_BATT_ID_STS, + .size = 6, + .trigger_addr = RR_ADC_BATT_ID_TRIGGER, + .trigger_mask = BIT(0), + }, { + .label = "batt", + .lsb = RR_ADC_BATT_THERM_LSB, + .status = RR_ADC_BATT_THERM_STS, + .size = 2, + .trigger_addr = RR_ADC_BATT_THERM_TRIGGER, + }, { + .label = "pmi8998_skin", + .lsb = RR_ADC_SKIN_TEMP_LSB, + .status = RR_ADC_AUX_THERM_STS, + .size = 2, + .trigger_addr = RR_ADC_AUX_THERM_TRIGGER, + }, { + .label = "usbin_i", + .lsb = RR_ADC_USB_IN_I_LSB, + .status = RR_ADC_USB_IN_I_STS, + .size = 2, + .trigger_addr = RR_ADC_USB_IN_I_TRIGGER, + }, { + .label = "usbin_v", + .lsb = RR_ADC_USB_IN_V_LSB, + .status = RR_ADC_USB_IN_V_STS, + .size = 2, + .trigger_addr = RR_ADC_USB_IN_V_TRIGGER, + .trigger_mask = BIT(7), + }, { + .label = "dcin_i", + .lsb = RR_ADC_DC_IN_I_LSB, + .status = RR_ADC_DC_IN_I_STS, + .size = 2, + .trigger_addr = RR_ADC_DC_IN_I_TRIGGER, + }, { + .label = "dcin_v", + .lsb = RR_ADC_DC_IN_V_LSB, + .status = RR_ADC_DC_IN_V_STS, + .size = 2, + .trigger_addr = RR_ADC_DC_IN_V_TRIGGER, + }, { + .label = "pmi8998_die", + .lsb = RR_ADC_PMI_DIE_TEMP_LSB, + .status = RR_ADC_PMI_DIE_TEMP_STS, + .size = 2, + .trigger_addr = RR_ADC_PMI_DIE_TEMP_TRIGGER, + .trigger_mask = RR_ADC_TRIGGER_EVERY_CYCLE, + }, { + .label = "chg", + .lsb = RR_ADC_CHARGER_TEMP_LSB, + .status = RR_ADC_CHARGER_TEMP_STS, + .size = 2, + .trigger_addr = RR_ADC_CHARGER_TEMP_TRIGGER, + }, { + .label = "gpio", + .lsb = RR_ADC_GPIO_LSB, + .status = RR_ADC_GPIO_STS, + .size = 2, + .trigger_addr = RR_ADC_GPIO_TRIGGER, + }, +}; + +static const struct iio_chan_spec rradc_iio_chans[RR_ADC_CHAN_MAX] = { + { + .type = IIO_RESISTANCE, + .info_mask_separate = BIT(IIO_CHAN_INFO_RAW), + .address = RR_ADC_BATT_ID, + .channel = 0, + .indexed = 1, + }, { + .type = IIO_TEMP, + .info_mask_separate = BIT(IIO_CHAN_INFO_RAW), + .address = RR_ADC_BATT_THERM, + .channel = 0, + .indexed = 1, + }, { + .type = IIO_TEMP, + .info_mask_separate = BIT(IIO_CHAN_INFO_RAW) | + BIT(IIO_CHAN_INFO_SCALE) | + BIT(IIO_CHAN_INFO_OFFSET), + .address = RR_ADC_SKIN_TEMP, + .channel = 1, + .indexed = 1, + }, { + .type = IIO_CURRENT, + .info_mask_separate = BIT(IIO_CHAN_INFO_RAW) | + BIT(IIO_CHAN_INFO_SCALE), + .address = RR_ADC_USBIN_I, + .channel = 0, + .indexed = 1, + }, { + .type = IIO_VOLTAGE, + .info_mask_separate = BIT(IIO_CHAN_INFO_RAW) | + BIT(IIO_CHAN_INFO_SCALE), + .address = RR_ADC_USBIN_V, + .channel = 0, + .indexed = 1, + }, { + .type = IIO_CURRENT, + .info_mask_separate = BIT(IIO_CHAN_INFO_RAW) | + BIT(IIO_CHAN_INFO_SCALE), + .address = RR_ADC_DCIN_I, + .channel = 1, + .indexed = 1, + }, { + .type = IIO_VOLTAGE, + .info_mask_separate = BIT(IIO_CHAN_INFO_RAW) | + BIT(IIO_CHAN_INFO_SCALE), + .address = RR_ADC_DCIN_V, + .channel = 1, + .indexed = 1, + }, { + .type = IIO_TEMP, + .info_mask_separate = BIT(IIO_CHAN_INFO_RAW) | + BIT(IIO_CHAN_INFO_SCALE) | + BIT(IIO_CHAN_INFO_OFFSET), + .address = RR_ADC_DIE_TEMP, + .channel = 2, + .indexed = 1, + }, { + .type = IIO_TEMP, + .info_mask_separate = BIT(IIO_CHAN_INFO_RAW) | + BIT(IIO_CHAN_INFO_OFFSET) | + BIT(IIO_CHAN_INFO_SCALE), + .address = RR_ADC_CHG_TEMP, + .channel = 3, + .indexed = 1, + }, { + .type = IIO_VOLTAGE, + .info_mask_separate = BIT(IIO_CHAN_INFO_RAW) | + BIT(IIO_CHAN_INFO_SCALE), + .address = RR_ADC_GPIO, + .channel = 2, + .indexed = 1, + }, +}; + +static int rradc_probe(struct platform_device *pdev) +{ + struct device *dev = &pdev->dev; + struct iio_dev *indio_dev; + struct rradc_chip *chip; + int ret, i, batt_id_delay; + + indio_dev = devm_iio_device_alloc(dev, sizeof(*chip)); + if (!indio_dev) + return -ENOMEM; + + chip = iio_priv(indio_dev); + chip->regmap = dev_get_regmap(pdev->dev.parent, NULL); + if (!chip->regmap) { + dev_err(dev, "Couldn't get parent's regmap\n"); + return -EINVAL; + } + + chip->dev = dev; + mutex_init(&chip->conversion_lock); + + ret = device_property_read_u32(dev, "reg", &chip->base); + if (ret < 0) { + dev_err(chip->dev, "Couldn't find reg address, ret = %d\n", + ret); + return ret; + } + + batt_id_delay = -1; + ret = device_property_read_u32(dev, "qcom,batt-id-delay-ms", + &batt_id_delay); + if (!ret) { + for (i = 0; i < RRADC_BATT_ID_DELAY_MAX; i++) { + if (batt_id_delay == batt_id_delays[i]) + break; + } + if (i == RRADC_BATT_ID_DELAY_MAX) + batt_id_delay = -1; + } + + if (batt_id_delay >= 0) { + batt_id_delay = FIELD_PREP(BATT_ID_SETTLE_MASK, batt_id_delay); + ret = regmap_update_bits(chip->regmap, + chip->base + RR_ADC_BATT_ID_CFG, + batt_id_delay, batt_id_delay); + if (ret < 0) { + dev_err(chip->dev, + "BATT_ID settling time config failed:%d\n", + ret); + } + } + + /* Get the PMIC revision ID, we need to handle some varying coefficients */ + chip->pmic = qcom_pmic_get(chip->dev); + if (IS_ERR_VALUE(chip->pmic)) { + dev_err(chip->dev, "Unable to get reference to PMIC device\n"); + return PTR_ERR(chip->pmic); + } + + indio_dev->name = DRIVER_NAME; + indio_dev->modes = INDIO_DIRECT_MODE; + indio_dev->info = &rradc_info; + indio_dev->channels = rradc_iio_chans; + indio_dev->num_channels = ARRAY_SIZE(rradc_iio_chans); + + return devm_iio_device_register(dev, indio_dev); +} + +static const struct of_device_id rradc_match_table[] = { + { .compatible = "qcom,pm660-rradc" }, + { .compatible = "qcom,pmi8998-rradc" }, + {} +}; +MODULE_DEVICE_TABLE(of, rradc_match_table); + +static struct platform_driver rradc_driver = { + .driver = { + .name = DRIVER_NAME, + .of_match_table = rradc_match_table, + }, + .probe = rradc_probe, +}; +module_platform_driver(rradc_driver); + +MODULE_DESCRIPTION("QCOM SPMI PMIC RR ADC driver"); +MODULE_AUTHOR("Caleb Connolly "); +MODULE_LICENSE("GPL v2"); From patchwork Tue Feb 15 16:54:53 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Caleb Connolly X-Patchwork-Id: 12747334 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 C7A60C433F5 for ; Tue, 15 Feb 2022 16:55:30 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S242005AbiBOQzi (ORCPT ); Tue, 15 Feb 2022 11:55:38 -0500 Received: from mxb-00190b01.gslb.pphosted.com ([23.128.96.19]:43448 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S242007AbiBOQzb (ORCPT ); Tue, 15 Feb 2022 11:55:31 -0500 Received: from mail-wm1-x32d.google.com (mail-wm1-x32d.google.com [IPv6:2a00:1450:4864:20::32d]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E7B11119F3C for ; Tue, 15 Feb 2022 08:55:20 -0800 (PST) Received: by mail-wm1-x32d.google.com with SMTP id k127-20020a1ca185000000b0037bc4be8713so1915239wme.3 for ; Tue, 15 Feb 2022 08:55:20 -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:in-reply-to:references :mime-version:content-transfer-encoding; bh=zozG4Oy5Pt0vWjsRDZ91928+qvWs4STBKU9M4pGg1h4=; b=DTbc/KWdSYmJRgQH1cdxj4Xmo1DvtMBkm8G8c1SEpxpDy7qWbHcSyivC+F6qb5FxH0 YwORou0fvZfN6qEhqr7r52JTR0ZAObSXW6XVS/2Hman6eIPsG2VhpVhWgY7o5zFXbIfl mYhUp04l1qAWGzdRlxEk4E7ZhfKun+/P9H4e8NQpvJ4bWQd21JyljGU4TO9o9y98WwE5 tPYh3g2aFso/9k46G5raTdteX561/zsHC51lrIPSFJjVTAv2aXXhzeTnY50+ZPZnOUL1 qEfqZ0Z9ACeYs7bWEb8R4kX0XdpQSKhXIdeHPF5SXeqYqaZxuDOtANWanOTZ+lYtXqvJ 3wTQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=zozG4Oy5Pt0vWjsRDZ91928+qvWs4STBKU9M4pGg1h4=; b=Ya4SzqmWlNRqrMG5VtHlnbBWT/I3bAHllrPuOhpq0y8n1i1sKMs1mE+2ApplcnE2HZ arO1p1eDBXlytzGOhYoRmswhmukKqCjZf0iRbSi5nNPMkp7cqqP95XZp2lqoHcC+Tngh RQvMx/QrzDaYnAkcqlP4R/DOT6GGCrPxSdSXtiUU+we8cOIRQU+eoI0NZEsMbqbvnKSZ 0IdzWreI9puGdne1kfNTIdm2TeUYh+uYNQOfplDNgaMExYzSj34gBSLN1mDZao/tn06p To1O6ZelhAq+VqtKpl0n5rFvQ53+bd6+h+j8rWUUGYpLgaOSQslaa21rC1bNKgh0pjhA 02lg== X-Gm-Message-State: AOAM531WoWsixpkWk962TwDteKen7vcaAf2/UicBB88vDRX/TefD2/aO Xv5UfUxbA/5/XCDyT0qjp7K9cw== X-Google-Smtp-Source: ABdhPJwxJrhSxzXDe8VGWSjLVBNaxYR/gaEB0iPR9SpUNYT4Cu45fq9LrmMHequSuySuFkBuST0UBg== X-Received: by 2002:a7b:ce90:: with SMTP id q16mr3872371wmj.91.1644944119561; Tue, 15 Feb 2022 08:55:19 -0800 (PST) Received: from localhost.localdomain (cpc78119-cwma10-2-0-cust590.7-3.cable.virginm.net. [81.96.50.79]) by smtp.gmail.com with ESMTPSA id f14sm15373652wmq.3.2022.02.15.08.55.18 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 15 Feb 2022 08:55:19 -0800 (PST) From: Caleb Connolly To: caleb.connolly@linaro.org, Jonathan Cameron , Lars-Peter Clausen , Rob Herring , Andy Gross , Bjorn Andersson , Lee Jones , Stephen Boyd , linux-iio@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-msm@vger.kernel.org Cc: sumit.semwal@linaro.org, amit.pundir@linaro.org, john.stultz@linaro.org Subject: [PATCH v5 6/9] arm64: dts: qcom: pmi8998: add rradc node Date: Tue, 15 Feb 2022 16:54:53 +0000 Message-Id: <20220215165456.1205583-7-caleb.connolly@linaro.org> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220215165456.1205583-1-caleb.connolly@linaro.org> References: <20220215165456.1205583-1-caleb.connolly@linaro.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-iio@vger.kernel.org Add a DT node for the Round Robin ADC found in the PMI8998 PMIC. Signed-off-by: Caleb Connolly --- arch/arm64/boot/dts/qcom/pmi8998.dtsi | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/arch/arm64/boot/dts/qcom/pmi8998.dtsi b/arch/arm64/boot/dts/qcom/pmi8998.dtsi index 0fef5f113f05..da10668c361d 100644 --- a/arch/arm64/boot/dts/qcom/pmi8998.dtsi +++ b/arch/arm64/boot/dts/qcom/pmi8998.dtsi @@ -18,6 +18,14 @@ pmi8998_gpio: gpios@c000 { interrupt-controller; #interrupt-cells = <2>; }; + + pmi8998_rradc: rradc@4500 { + compatible = "qcom,pmi8998-rradc"; + reg = <0x4500>; + #io-channel-cells = <1>; + + status = "disabled"; + }; }; pmi8998_lsid1: pmic@3 { From patchwork Tue Feb 15 16:54:54 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Caleb Connolly X-Patchwork-Id: 12747337 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 3D6F0C4707A for ; Tue, 15 Feb 2022 16:55:32 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S242015AbiBOQzk (ORCPT ); Tue, 15 Feb 2022 11:55:40 -0500 Received: from mxb-00190b01.gslb.pphosted.com ([23.128.96.19]:43450 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S242001AbiBOQzh (ORCPT ); Tue, 15 Feb 2022 11:55:37 -0500 Received: from mail-wm1-x334.google.com (mail-wm1-x334.google.com [IPv6:2a00:1450:4864:20::334]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id EFD1C119F60 for ; Tue, 15 Feb 2022 08:55:21 -0800 (PST) Received: by mail-wm1-x334.google.com with SMTP id bg19-20020a05600c3c9300b0034565e837b6so1380971wmb.1 for ; Tue, 15 Feb 2022 08:55:21 -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:in-reply-to:references :mime-version:content-transfer-encoding; bh=qImSYxU2i/y/qV71r8EFW+LTWk9ZfhM4KeM2jcTcklQ=; b=QyN+krO1vGGqYNynGXD3QnwvYk1OZeN+h1hNRMTQ8THbgMDDvcH4tQdr0YLlcCNtDH LzQHiO4OYw+jkBfuOGZXHTXciZnpJb2X4aESenzid82VRqC5Lwuk4Ob68bJrF1nutx5w Uwjko4VF6yPfsbId2SLAUqN8JVUAcMqN55TQem5u57uVEccWbF7nzmZodKr+WRylsty9 yoN3paZVAXADEtZEz51uL+PidUMi5J+2OSukZ+8t7PNHzgJXgTFCmU85CTfU1o05biAd LhytQ9G6HVWbubuNlXogb4Gsc+6BaMlVP3mAA2AWmEQraBsWwWydSsbRgjMcH6S1abRx ccgw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=qImSYxU2i/y/qV71r8EFW+LTWk9ZfhM4KeM2jcTcklQ=; b=GNkvmuvMfQIY3S4gMZclkziVn5Cr703IJtbX3LSo7Wdffi/wJNUeWTkEcQdvsUpprM Ld8CPCBBe1sSktsqiHZxOyfysb3xZtB03562BVwQvF6QHxB3lTTc7kMIeL6zb1HfeSEE g6wkrbk3yZBynelVC7SiSPoWTBl0EUE7UCqZ7JnSwiJw4coeQ8FEqE6KAkrgp/frprCJ LwSR+hYrBH+JEawPv3N2MZNTH5oHPQ2Z0KZdiodIvna9H7TmsuV6P+MvZ0ruSTSVVsI9 1bgb82+1RXGujpWMwf5oO26vomZbedzGD5rYdfNCNOhiVyOmqZgc+PpGR8siVtc2fKZA FvKg== X-Gm-Message-State: AOAM532rJI+zgWfLWGUCqyHuCXfOFVMUHODdy7zQ3YjToOjTMI+/Hluw mcg5HvJi0NOIoA6+IgOyvzICSQ== X-Google-Smtp-Source: ABdhPJwmAJpol9TqUBgbmkJr4kKdjSEONwdF/OUGTfIPNB61y78v4fFccx9LHfBaPh2jDixkBlSFKg== X-Received: by 2002:a05:600c:21ce:b0:37c:526:4793 with SMTP id x14-20020a05600c21ce00b0037c05264793mr3869705wmj.120.1644944120566; Tue, 15 Feb 2022 08:55:20 -0800 (PST) Received: from localhost.localdomain (cpc78119-cwma10-2-0-cust590.7-3.cable.virginm.net. [81.96.50.79]) by smtp.gmail.com with ESMTPSA id f14sm15373652wmq.3.2022.02.15.08.55.19 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 15 Feb 2022 08:55:20 -0800 (PST) From: Caleb Connolly To: caleb.connolly@linaro.org, Jonathan Cameron , Lars-Peter Clausen , Rob Herring , Andy Gross , Bjorn Andersson , Lee Jones , Stephen Boyd , linux-iio@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-msm@vger.kernel.org Cc: sumit.semwal@linaro.org, amit.pundir@linaro.org, john.stultz@linaro.org Subject: [PATCH v5 7/9] arm64: dts: qcom: sdm845-oneplus: enable rradc Date: Tue, 15 Feb 2022 16:54:54 +0000 Message-Id: <20220215165456.1205583-8-caleb.connolly@linaro.org> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220215165456.1205583-1-caleb.connolly@linaro.org> References: <20220215165456.1205583-1-caleb.connolly@linaro.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-iio@vger.kernel.org Enable the RRADC for the OnePlus 6. Signed-off-by: Caleb Connolly --- arch/arm64/boot/dts/qcom/sdm845-oneplus-common.dtsi | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/arch/arm64/boot/dts/qcom/sdm845-oneplus-common.dtsi b/arch/arm64/boot/dts/qcom/sdm845-oneplus-common.dtsi index 7f42e5315ecb..e8287cf02511 100644 --- a/arch/arm64/boot/dts/qcom/sdm845-oneplus-common.dtsi +++ b/arch/arm64/boot/dts/qcom/sdm845-oneplus-common.dtsi @@ -450,6 +450,10 @@ pinconf { }; }; +&pmi8998_rradc { + status = "okay"; +}; + &qupv3_id_1 { status = "okay"; }; From patchwork Tue Feb 15 16:54:55 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Caleb Connolly X-Patchwork-Id: 12747336 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 DAE83C4167E for ; Tue, 15 Feb 2022 16:55:31 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S242012AbiBOQzk (ORCPT ); Tue, 15 Feb 2022 11:55:40 -0500 Received: from mxb-00190b01.gslb.pphosted.com ([23.128.96.19]:43742 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S242018AbiBOQzh (ORCPT ); Tue, 15 Feb 2022 11:55:37 -0500 Received: from mail-wm1-x330.google.com (mail-wm1-x330.google.com [IPv6:2a00:1450:4864:20::330]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id EF63D119F7D for ; Tue, 15 Feb 2022 08:55:22 -0800 (PST) Received: by mail-wm1-x330.google.com with SMTP id k41so10541344wms.0 for ; Tue, 15 Feb 2022 08:55:22 -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:in-reply-to:references :mime-version:content-transfer-encoding; bh=o/d166yo9TtkM4+c7x0I89HNNMPO2K1Na/pBqagV1Y0=; b=V4/Sf/pWyJIfM4oBWOZsm4m/eUsUJ9ON7zBnf+QEEYKKVRfdJdLomZ95EVeEHC9rKH exN9uxhMeCEOQdqeswq5QjfErDB6zhhQbP98GUUvnRDgxVhNE2xv7n6xdGaSedrvFZfO OiK+kWOFU2DbrnfUwdd6V+01leWY0FmOWMc/WJSfnoPJlEcSTuSV/wVltIYndzzWJ9J8 BQVhhSsEMJ2nvQfW97tb9Szy8hkA4GA/2TVxxPEl1RrxFBB3c94uexORmpvWzX8txL7V D4fk1yhaVFVPg6xzCrWoOMQasMTy/6C5HXDDY9aXBIih4LK1coOYpLjIB0v0ZYpL98y2 YwZw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=o/d166yo9TtkM4+c7x0I89HNNMPO2K1Na/pBqagV1Y0=; b=fgqlDlrIOmRj+VnvtMcZGfqTA+ehHcRl/DpOXdczr8pbGb6P+du1VaebgbU1ORllg+ oY4IrQoc8558tRhlDGoqDjjn563c99GbUH5iD9BzQgSry2XJ3AlYOkszh8MM7in3dufy zsUQz1bejFgtvxKDz2msdf0eUbIKacyptEIK6pwM3nvxoqY6eXk6t2kBHqO5vyIJxNPC O3HBL+l/MsQ+Auemm8rxUKVIY/jqOS7naZbaOsbE4uGrE1EKarIgYH6ElKAVrNg9qNPV GsN7Sn12MaphMBM4mlz9ImOJNmGCHmsO3IkoiegZ2m/hvvqbc9jhN7yZQitnkXeVn8cf v36g== X-Gm-Message-State: AOAM530zBUuPeBzcC58M+KkMvAvaUFhNytP9yTTR/UZEFfwLp6VLMsiY xNb9TRhP+4AgKxBiA2WNKCiONw== X-Google-Smtp-Source: ABdhPJxTp1UnFsjcJVJIQaOFRqD6U8WXXFFrNNaozdVmj5KC8ett1BIy80cHIkSF16+0UtodW+I4AA== X-Received: by 2002:a05:600c:1e8e:b0:37b:e97a:d4c8 with SMTP id be14-20020a05600c1e8e00b0037be97ad4c8mr3755611wmb.189.1644944121598; Tue, 15 Feb 2022 08:55:21 -0800 (PST) Received: from localhost.localdomain (cpc78119-cwma10-2-0-cust590.7-3.cable.virginm.net. [81.96.50.79]) by smtp.gmail.com with ESMTPSA id f14sm15373652wmq.3.2022.02.15.08.55.20 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 15 Feb 2022 08:55:21 -0800 (PST) From: Caleb Connolly To: caleb.connolly@linaro.org, Jonathan Cameron , Lars-Peter Clausen , Rob Herring , Andy Gross , Bjorn Andersson , Lee Jones , Stephen Boyd , linux-iio@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-msm@vger.kernel.org Cc: sumit.semwal@linaro.org, amit.pundir@linaro.org, john.stultz@linaro.org Subject: [PATCH v5 8/9] arm64: dts: qcom: sdm845-db845c: enable rradc Date: Tue, 15 Feb 2022 16:54:55 +0000 Message-Id: <20220215165456.1205583-9-caleb.connolly@linaro.org> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220215165456.1205583-1-caleb.connolly@linaro.org> References: <20220215165456.1205583-1-caleb.connolly@linaro.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-iio@vger.kernel.org Enable the Round Robin ADC for the db845c. Signed-off-by: Caleb Connolly --- arch/arm64/boot/dts/qcom/sdm845-db845c.dts | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/arch/arm64/boot/dts/qcom/sdm845-db845c.dts b/arch/arm64/boot/dts/qcom/sdm845-db845c.dts index 13f80a0b6faa..1c452b458121 100644 --- a/arch/arm64/boot/dts/qcom/sdm845-db845c.dts +++ b/arch/arm64/boot/dts/qcom/sdm845-db845c.dts @@ -595,6 +595,10 @@ resin { }; }; +&pmi8998_rradc { + status = "okay"; +}; + /* QUAT I2S Uses 4 I2S SD Lines for audio on LT9611 HDMI Bridge */ &q6afedai { qi2s@22 { From patchwork Tue Feb 15 16:54:56 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Caleb Connolly X-Patchwork-Id: 12747335 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 5CEFDC4321E for ; Tue, 15 Feb 2022 16:55:31 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S242004AbiBOQzj (ORCPT ); Tue, 15 Feb 2022 11:55:39 -0500 Received: from mxb-00190b01.gslb.pphosted.com ([23.128.96.19]:43962 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S242024AbiBOQzi (ORCPT ); Tue, 15 Feb 2022 11:55:38 -0500 Received: from mail-wm1-x335.google.com (mail-wm1-x335.google.com [IPv6:2a00:1450:4864:20::335]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2180811AA1F for ; Tue, 15 Feb 2022 08:55:24 -0800 (PST) Received: by mail-wm1-x335.google.com with SMTP id bg21-20020a05600c3c9500b0035283e7a012so1835024wmb.0 for ; Tue, 15 Feb 2022 08:55:24 -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:in-reply-to:references :mime-version:content-transfer-encoding; bh=60je+LDflCDSpm+PbhIAk73PJa9MombVHWRyiPaaQWE=; b=E8LzTxcfY5dvseeiGNkFNuW/pys92VspPUtpDNKtcH3sGc6k52/VSIyMRJH4y7xagk PxP40ovf2K9GSmyKh8FHNJlqjck88RDO2A9Uy5pbXf/TcBoDKobX9GH49syJ6BEWYisb zM2xICQ8xTRrMM+gZJxY4F9VJ79Fxdl8ZV7qV82ckXHTpJGmMb54bcS8glshWktNFos7 a5vThGwfCrYK2aVJcTcGHGw0H7/IjaJVfMd69Mimu7UIAqkcmso5kNuP0hLcPTSO1JV8 52FlDy313lgoLu+069H6aZ92dxgGIDOsqGaf4jNCgFXuwKcnqQY1YZE8Y99hnL55UE/x KG3g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=60je+LDflCDSpm+PbhIAk73PJa9MombVHWRyiPaaQWE=; b=k+vo0urR2qDocnvTg6d1dkZJXS6+AcVIlSdHlck5VLeP4Qh5EbLyxAtHWWG4UzZX8k UGaVyOc0W8f0+WGfv4SJ83qP0J3vrJkQFkyQgy42Mv74qTSJccyAO1y4T/JrWk/+yBGJ Jq75bevqTMKQJwDw0NW8jxupe8gLuIBPz7Hr/3NuJvD7GHGrpsSzZSLAuVyphAGhUIjf TmC3pRNnHQm70citdOJVqwHShQs2PWLIuwhxSQ5O98DP4rAJYO4MTiRDjmO6xXg8MH84 mRGddAbkGThlnjjIeDftuaoO1xd2f/EAz+I8kO+HYHfI3yMVYtK8VEDQk4tMCa0U1FzN rY+w== X-Gm-Message-State: AOAM5310MEKQAET6vND1jxvZXpae+MVQW4+xKNeZdQ4roKFBmh+5YZLn Y1Ksp0t4AMv0ukgh5kYX18o2Eg== X-Google-Smtp-Source: ABdhPJwXNiBcYGsZ0PKorDAIu7CJINJdxe4YqpSdeZUY2ocDkL8ErZgh9CYmBgDtQnjZmBAYCZ4MQA== X-Received: by 2002:a05:600c:220b:b0:37b:ec02:32c4 with SMTP id z11-20020a05600c220b00b0037bec0232c4mr3913488wml.11.1644944122741; Tue, 15 Feb 2022 08:55:22 -0800 (PST) Received: from localhost.localdomain (cpc78119-cwma10-2-0-cust590.7-3.cable.virginm.net. [81.96.50.79]) by smtp.gmail.com with ESMTPSA id f14sm15373652wmq.3.2022.02.15.08.55.21 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 15 Feb 2022 08:55:22 -0800 (PST) From: Caleb Connolly To: caleb.connolly@linaro.org, Jonathan Cameron , Lars-Peter Clausen , Rob Herring , Andy Gross , Bjorn Andersson , Lee Jones , Stephen Boyd , linux-iio@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-msm@vger.kernel.org Cc: sumit.semwal@linaro.org, amit.pundir@linaro.org, john.stultz@linaro.org Subject: [PATCH v5 9/9] arm64: dts: qcom: sdm845-xiaomi-beryllium: enable rradc Date: Tue, 15 Feb 2022 16:54:56 +0000 Message-Id: <20220215165456.1205583-10-caleb.connolly@linaro.org> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220215165456.1205583-1-caleb.connolly@linaro.org> References: <20220215165456.1205583-1-caleb.connolly@linaro.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-iio@vger.kernel.org Enable the PMI8998 RRADC. Signed-off-by: Caleb Connolly --- arch/arm64/boot/dts/qcom/sdm845-xiaomi-beryllium.dts | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/arch/arm64/boot/dts/qcom/sdm845-xiaomi-beryllium.dts b/arch/arm64/boot/dts/qcom/sdm845-xiaomi-beryllium.dts index 367389526b41..b3b6aa4e0fa3 100644 --- a/arch/arm64/boot/dts/qcom/sdm845-xiaomi-beryllium.dts +++ b/arch/arm64/boot/dts/qcom/sdm845-xiaomi-beryllium.dts @@ -312,6 +312,10 @@ resin { }; }; +&pmi8998_rradc { + status = "okay"; +}; + /* QUAT I2S Uses 1 I2S SD Line for audio on TAS2559/60 amplifiers */ &q6afedai { qi2s@22 {