From patchwork Thu May 12 12:24:27 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alexandre Bailon X-Patchwork-Id: 574158 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 44C53C433FE for ; Thu, 12 May 2022 12:24:47 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1353656AbiELMYp (ORCPT ); Thu, 12 May 2022 08:24:45 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37794 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1353654AbiELMYn (ORCPT ); Thu, 12 May 2022 08:24:43 -0400 Received: from mail-wr1-x42c.google.com (mail-wr1-x42c.google.com [IPv6:2a00:1450:4864:20::42c]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id CFC92247364 for ; Thu, 12 May 2022 05:24:39 -0700 (PDT) Received: by mail-wr1-x42c.google.com with SMTP id m1so7010194wrb.8 for ; Thu, 12 May 2022 05:24:39 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=baylibre-com.20210112.gappssmtp.com; s=20210112; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=HfH019+cT0njZgEoB5v4us8H/Co27KMCU86/mPoLRqg=; b=A7TMJCxmk4lkEBYyfuuMZ5/cY5FebO7K8BkFV3Er9WuM1U2jurjR0UE9SnNbacNFlA vXe6CyqK5xafOBbYPM6wWQ3ch4xeaMAQR+4MZ1AB0vkYdOdTq+RngYD+JqfrsP/nzHJl ZVsDSKx0VaAKb696NNVvGQU/J9LIZizmnigESNEON8zuHSJGbf9BxxYIKoNu9a0MX3wn 9flx1OgMgaooNRHbhFXWKg7LX3HfHQRkPAs4sZ6xETG5kI0LAxbFNSDv3ykm5nTfDBGL fZmsHZIdLC/LJCq4aEQ6BMtiHSnhVgB9w9aLAqAI93C+8Uh87Q+bkkek+PBqrGjYh7Uj QioA== 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=HfH019+cT0njZgEoB5v4us8H/Co27KMCU86/mPoLRqg=; b=AD/IG9JogEnST9uxP1lDZowpH/HcthSQEC7Kq0/HLJoP22J+BCQ1QXpbOiTmel3TAF npuxakYKsEvE3UUFgZGHvsyqVg+i/tFoN+mWObMLz+u+62EWmcXk0Ay0kmdyCIzsQlMn pVE6CQPzFnLvnkkQFytGWFAE7FO9SQVCrp3LyGDTAMQN/hEVQ0/UF08in8UnuXO+jzom 4o/Ks94lA52v9G9xl3x1a/3OhHBO5oP5P3sw8bx70I/8cD6l7bZB1ytwclco6yyuIIQP 2/ci5uxEkV2VdML0L3QZsJrhivBfmJZxnIt6/JhoAsPT6MgTovztdJyZ0o9IdhRtb3j6 gCbA== X-Gm-Message-State: AOAM531aqXq9Ri2oWfdxgBU+5EtcOMG2obmkA8i+OJuxhO684zkNMEns BjurX7jXCdzFxzPn5NRNDtHehQ== X-Google-Smtp-Source: ABdhPJxWFKFcvfIhGck12vzg6QdmKoi3QsdXBypkekPwJfM4MQvTVlUyQyX9WZNJ3Uv1LPsj0I9o/A== X-Received: by 2002:a5d:6183:0:b0:20a:db51:f21a with SMTP id j3-20020a5d6183000000b0020adb51f21amr27404955wru.127.1652358278336; Thu, 12 May 2022 05:24:38 -0700 (PDT) Received: from xps-9300.baylibre (laubervilliers-658-1-213-31.w90-63.abo.wanadoo.fr. [90.63.244.31]) by smtp.gmail.com with ESMTPSA id z22-20020a7bc156000000b003942a244f30sm3047819wmi.9.2022.05.12.05.24.37 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 12 May 2022 05:24:38 -0700 (PDT) From: Alexandre Bailon To: robh+dt@kernel.org, krzk+dt@kernel.org, matthias.bgg@gmail.com, p.zabel@pengutronix.de Cc: rafael@kernel.org, daniel.lezcano@linaro.org, amitk@kernel.org, rui.zhang@intel.com, michael.kao@mediatek.com, ben.tseng@mediatek.com, ethan.chang@mediatek.com, frank-w@public-files.de, linux-pm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, khilman@baylibre.com, Michael Kao Subject: [PATCH v6 1/7] thermal: mediatek: Relocate driver to mediatek folder Date: Thu, 12 May 2022 14:24:27 +0200 Message-Id: <20220512122433.1399802-2-abailon@baylibre.com> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220512122433.1399802-1-abailon@baylibre.com> References: <20220512122433.1399802-1-abailon@baylibre.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org From: Michael Kao Add Mediatek proprietary folder to upstream more thermal zone and cooler drivers. Relocate the original thermal controller driver to it and rename as soc_temp.c to show its purpose more clearly. Signed-off-by: Michael Kao Signed-off-by: Ben Tseng Reviewed-by: Matthias Brugger --- drivers/thermal/Kconfig | 14 ++++------- drivers/thermal/Makefile | 2 +- drivers/thermal/mediatek/Kconfig | 23 +++++++++++++++++++ drivers/thermal/mediatek/Makefile | 1 + .../{mtk_thermal.c => mediatek/soc_temp.c} | 0 5 files changed, 29 insertions(+), 11 deletions(-) create mode 100644 drivers/thermal/mediatek/Kconfig create mode 100644 drivers/thermal/mediatek/Makefile rename drivers/thermal/{mtk_thermal.c => mediatek/soc_temp.c} (100%) diff --git a/drivers/thermal/Kconfig b/drivers/thermal/Kconfig index e37691e0bf20..8669d7278055 100644 --- a/drivers/thermal/Kconfig +++ b/drivers/thermal/Kconfig @@ -410,16 +410,10 @@ config DA9062_THERMAL zone. Compatible with the DA9062 and DA9061 PMICs. -config MTK_THERMAL - tristate "Temperature sensor driver for mediatek SoCs" - depends on ARCH_MEDIATEK || COMPILE_TEST - depends on HAS_IOMEM - depends on NVMEM || NVMEM=n - depends on RESET_CONTROLLER - default y - help - Enable this option if you want to have support for thermal management - controller present in Mediatek SoCs +menu "Mediatek thermal drivers" +depends on ARCH_MEDIATEK || COMPILE_TEST +source "drivers/thermal/mediatek/Kconfig" +endmenu config AMLOGIC_THERMAL tristate "Amlogic Thermal Support" diff --git a/drivers/thermal/Makefile b/drivers/thermal/Makefile index f0c36a1530d5..9ade39bdb525 100644 --- a/drivers/thermal/Makefile +++ b/drivers/thermal/Makefile @@ -55,7 +55,7 @@ obj-y += st/ obj-$(CONFIG_QCOM_TSENS) += qcom/ obj-y += tegra/ obj-$(CONFIG_HISI_THERMAL) += hisi_thermal.o -obj-$(CONFIG_MTK_THERMAL) += mtk_thermal.o +obj-$(CONFIG_MTK_THERMAL) += mediatek/ obj-$(CONFIG_GENERIC_ADC_THERMAL) += thermal-generic-adc.o obj-$(CONFIG_UNIPHIER_THERMAL) += uniphier_thermal.o obj-$(CONFIG_AMLOGIC_THERMAL) += amlogic_thermal.o diff --git a/drivers/thermal/mediatek/Kconfig b/drivers/thermal/mediatek/Kconfig new file mode 100644 index 000000000000..0351e73170b7 --- /dev/null +++ b/drivers/thermal/mediatek/Kconfig @@ -0,0 +1,23 @@ +config MTK_THERMAL + tristate "Mediatek thermal drivers" + depends on THERMAL_OF + help + This is the option for Mediatek thermal software + solutions. Please enable corresponding options to + get temperature information from thermal sensors or + turn on throttle mechaisms for thermal mitigation. + +if MTK_THERMAL + +config MTK_SOC_THERMAL + tristate "Temperature sensor driver for mediatek SoCs" + depends on HAS_IOMEM + depends on NVMEM + depends on RESET_CONTROLLER + help + Enable this option if you want to get SoC temperature + information for Mediatek platforms. This driver + configures thermal controllers to collect temperature + via AUXADC interface. + +endif diff --git a/drivers/thermal/mediatek/Makefile b/drivers/thermal/mediatek/Makefile new file mode 100644 index 000000000000..f75313ddce5e --- /dev/null +++ b/drivers/thermal/mediatek/Makefile @@ -0,0 +1 @@ +obj-$(CONFIG_MTK_SOC_THERMAL) += soc_temp.o diff --git a/drivers/thermal/mtk_thermal.c b/drivers/thermal/mediatek/soc_temp.c similarity index 100% rename from drivers/thermal/mtk_thermal.c rename to drivers/thermal/mediatek/soc_temp.c From patchwork Thu May 12 12:24:29 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alexandre Bailon X-Patchwork-Id: 574156 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 30FD7C43219 for ; Thu, 12 May 2022 12:24:50 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1353679AbiELMYs (ORCPT ); Thu, 12 May 2022 08:24:48 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37984 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1353661AbiELMYq (ORCPT ); Thu, 12 May 2022 08:24:46 -0400 Received: from mail-wm1-x332.google.com (mail-wm1-x332.google.com [IPv6:2a00:1450:4864:20::332]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 45790248E0A for ; Thu, 12 May 2022 05:24:42 -0700 (PDT) Received: by mail-wm1-x332.google.com with SMTP id p189so2931729wmp.3 for ; Thu, 12 May 2022 05:24:42 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=baylibre-com.20210112.gappssmtp.com; s=20210112; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=rsViq6jizmC6opILAn3pU9eAx5KBydp7thSv3NyHUdQ=; b=5qt2ayzijdXdLu5yY6RNuVPwG6W7paipTTmrS2XXAMvhu6n/0UTEETcREmLWWAbin3 JTA1fg00zsjCpeEA4EcEb6OwL2aNZAoFJ5Ko7qy9F9UIAvwbfv2++BBLjV8OLe7bHMQo p6mbitNT6mF8hm6DTIO14rphq+z4MT1qFmJSHl4ctQkTm/OVuT66opb5WDKjhknVYei/ AV88TgUNn9Pa19RN46FJO2n7JfABkY3kcaNn7zQ7o8F4TuJvUjjdeAD6YwzzxiBAaKwK e5dcxf/j1KXy30X5lzBpP+cpkjtmwqIJaWssxhYc7E3vkaGJpX41m3gNUc4tefDWxCfx 3zNw== 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=rsViq6jizmC6opILAn3pU9eAx5KBydp7thSv3NyHUdQ=; b=uN+vS1vkLEyzyNkcPxMy3i3pVaNIbEuHFc0vuJ5xRRrXLDXE1hQepb3fx+Q360aDgQ 1n3ySTtZE8i/bZ8yAbFvjKKavJIEWtl51zS6GbXzelPGztxnTH2cPHgImdZqLOccQP5O ZRRqfAFfoMCrMSaCXB81kDnlFUebjBTOuAeyJzOHC+wpdsYGAPzUeJJ2+KabfjV4D36X H2JIetI6aKtgo7yscaFs6CZC7xurUhSqPmzEpTPrMQ+RB5xnTnTDbDXqStmKkPUs7sp4 PGQZVW5jkAnqL+tEzFZxHl6vzW8wav3PlAExb/eU6zbZufn+/6T7aaecXLe6WNK38sH1 0Iag== X-Gm-Message-State: AOAM530oSmvmKimuDwcCncqKY6Vb+eryJUOGBpqMFTJLf5pWCbN+sidm ab5LNPJjspQ7kxsB9HxOU0zsvA== X-Google-Smtp-Source: ABdhPJzkIFmYwTnYbGE64jiFb8a5wzhN2Gwem49FY9GA/jkvNyXsHiUPpYPLSgZzjuRwGUGuDuPReQ== X-Received: by 2002:a05:600c:4f4d:b0:394:6ead:3523 with SMTP id m13-20020a05600c4f4d00b003946ead3523mr9740599wmq.109.1652358280425; Thu, 12 May 2022 05:24:40 -0700 (PDT) Received: from xps-9300.baylibre (laubervilliers-658-1-213-31.w90-63.abo.wanadoo.fr. [90.63.244.31]) by smtp.gmail.com with ESMTPSA id z22-20020a7bc156000000b003942a244f30sm3047819wmi.9.2022.05.12.05.24.39 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 12 May 2022 05:24:40 -0700 (PDT) From: Alexandre Bailon To: robh+dt@kernel.org, krzk+dt@kernel.org, matthias.bgg@gmail.com, p.zabel@pengutronix.de Cc: rafael@kernel.org, daniel.lezcano@linaro.org, amitk@kernel.org, rui.zhang@intel.com, michael.kao@mediatek.com, ben.tseng@mediatek.com, ethan.chang@mediatek.com, frank-w@public-files.de, linux-pm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, khilman@baylibre.com, Alexandre Bailon Subject: [PATCH v6 3/7] thermal: mediatek: Add LVTS drivers for SoC theraml zones Date: Thu, 12 May 2022 14:24:29 +0200 Message-Id: <20220512122433.1399802-4-abailon@baylibre.com> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220512122433.1399802-1-abailon@baylibre.com> References: <20220512122433.1399802-1-abailon@baylibre.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org From: Michael Kao Add a LVTS (Low voltage thermal sensor) driver to report junction temperatures in Mediatek SoC and register the maximum temperature of sensors and each sensor as a thermal zone. Signed-off-by: Yu-Chia Chang Signed-off-by: Michael Kao Signed-off-by: Ben Tseng Signed-off-by: Alexandre Bailon --- drivers/thermal/mediatek/Kconfig | 10 + drivers/thermal/mediatek/Makefile | 1 + drivers/thermal/mediatek/soc_temp.c | 2 +- drivers/thermal/mediatek/soc_temp_lvts.c | 1280 ++++++++++++++++++++++ drivers/thermal/mediatek/soc_temp_lvts.h | 312 ++++++ 5 files changed, 1604 insertions(+), 1 deletion(-) create mode 100644 drivers/thermal/mediatek/soc_temp_lvts.c create mode 100644 drivers/thermal/mediatek/soc_temp_lvts.h diff --git a/drivers/thermal/mediatek/Kconfig b/drivers/thermal/mediatek/Kconfig index 0351e73170b7..d716d0372e1e 100644 --- a/drivers/thermal/mediatek/Kconfig +++ b/drivers/thermal/mediatek/Kconfig @@ -20,4 +20,14 @@ config MTK_SOC_THERMAL configures thermal controllers to collect temperature via AUXADC interface. +config MTK_SOC_THERMAL_LVTS + tristate "LVTS (Low voltage thermal sensor) driver for Mediatek SoCs" + depends on HAS_IOMEM + depends on NVMEM + depends on RESET_TI_SYSCON + help + Enable this option if you want to get SoC temperature + information for Mediatek platforms. This driver + configures LVTS thermal controllers to collect temperatures + via Analog Serial Interface(ASIF). endif diff --git a/drivers/thermal/mediatek/Makefile b/drivers/thermal/mediatek/Makefile index f75313ddce5e..16ce166e5916 100644 --- a/drivers/thermal/mediatek/Makefile +++ b/drivers/thermal/mediatek/Makefile @@ -1 +1,2 @@ obj-$(CONFIG_MTK_SOC_THERMAL) += soc_temp.o +obj-$(CONFIG_MTK_SOC_THERMAL_LVTS) += soc_temp_lvts.o diff --git a/drivers/thermal/mediatek/soc_temp.c b/drivers/thermal/mediatek/soc_temp.c index 79d592f3f60d..4ed78bbadd62 100644 --- a/drivers/thermal/mediatek/soc_temp.c +++ b/drivers/thermal/mediatek/soc_temp.c @@ -23,7 +23,7 @@ #include #include -#include "thermal_hwmon.h" +#include "../thermal_hwmon.h" /* AUXADC Registers */ #define AUXADC_CON1_SET_V 0x008 diff --git a/drivers/thermal/mediatek/soc_temp_lvts.c b/drivers/thermal/mediatek/soc_temp_lvts.c new file mode 100644 index 000000000000..145ddd5fe409 --- /dev/null +++ b/drivers/thermal/mediatek/soc_temp_lvts.c @@ -0,0 +1,1280 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (c) 2020 MediaTek Inc. + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include "soc_temp_lvts.h" + +/*================================================== + * Definition or macro function + *================================================== + */ +#define STOP_COUNTING_V4 (DEVICE_WRITE | RG_TSFM_CTRL_0 << 8 | 0x00) +#define SET_RG_TSFM_LPDLY_V4 (DEVICE_WRITE | RG_TSFM_CTRL_4 << 8 | 0xA6) +#define SET_COUNTING_WINDOW_20US1_V4 (DEVICE_WRITE | RG_TSFM_CTRL_2 << 8 | 0x00) +#define SET_COUNTING_WINDOW_20US2_V4 (DEVICE_WRITE | RG_TSFM_CTRL_1 << 8 | 0x20) +#define TSV2F_CHOP_CKSEL_AND_TSV2F_EN_V4 (DEVICE_WRITE | RG_TSV2F_CTRL_2 << 8 | 0x84) +#define TSBG_DEM_CKSEL_X_TSBG_CHOP_EN_V4 (DEVICE_WRITE | RG_TSV2F_CTRL_4 << 8 | 0x7C) +#define SET_TS_RSV_V4 (DEVICE_WRITE | RG_TSV2F_CTRL_1 << 8 | 0x8D) +#define SET_TS_EN_V4 (DEVICE_WRITE | RG_TSV2F_CTRL_0 << 8 | 0xF4) +#define TOGGLE_RG_TSV2F_VCO_RST1_V4 (DEVICE_WRITE | RG_TSV2F_CTRL_0 << 8 | 0xFC) +#define TOGGLE_RG_TSV2F_VCO_RST2_V4 (DEVICE_WRITE | RG_TSV2F_CTRL_0 << 8 | 0xF4) + +#define SET_LVTS_AUTO_RCK_V4 (DEVICE_WRITE | RG_TSV2F_CTRL_6 << 8 | 0x01) +#define SELECT_SENSOR_RCK_V4(id) (DEVICE_WRITE | RG_TSV2F_CTRL_5 << 8 | (id)) +#define SET_DEVICE_SINGLE_MODE_V4 (DEVICE_WRITE | RG_TSFM_CTRL_3 << 8 | 0x78) +#define KICK_OFF_RCK_COUNTING_V4 (DEVICE_WRITE | RG_TSFM_CTRL_0 << 8 | 0x02) +#define SET_SENSOR_NO_RCK_V4 (DEVICE_WRITE | RG_TSV2F_CTRL_5 << 8 | 0x10) +#define SET_DEVICE_LOW_POWER_SINGLE_MODE_V4 (DEVICE_WRITE | RG_TSFM_CTRL_3 << 8 | 0xB8) + +#define ENABLE_FEATURE(feature) (lvts_data->feature_bitmap |= (feature)) +#define DISABLE_FEATURE(feature) (lvts_data->feature_bitmap &= (~(feature))) +#define IS_ENABLE(feature) (lvts_data->feature_bitmap & (feature)) + +#define DISABLE_THERMAL_HW_REBOOT (-274000) + +#define CLOCK_26MHZ_CYCLE_NS (38) +#define BUS_ACCESS_US (2) + +#define FEATURE_DEVICE_AUTO_RCK (BIT(0)) +#define FEATURE_CK26M_ACTIVE (BIT(1)) +#define CK26M_ACTIVE (((lvts_data->feature_bitmap & FEATURE_CK26M_ACTIVE) \ + ? 1 : 0) << 30) +#define GET_BASE_ADDR(tc_id) \ + (lvts_data->domain[lvts_data->tc[tc_id].domain_index].base \ + + lvts_data->tc[tc_id].addr_offset) + +#define SET_TC_SPEED_IN_US(pu, gd, fd, sd) \ + { \ + .period_unit = (((pu) * 1000) / (256 * CLOCK_26MHZ_CYCLE_NS)), \ + .group_interval_delay = ((gd) / (pu)), \ + .filter_interval_delay = ((fd) / (pu)), \ + .sensor_interval_delay = ((sd) / (pu)), \ + } + +#define GET_CAL_DATA_BITMASK(index, h, l) \ + (((index) < lvts_data->num_efuse_addr) \ + ? ((lvts_data->efuse[(index)] & GENMASK(h, l)) >> l) \ + : 0) + +#define GET_CAL_DATA_BIT(index, bit) \ + (((index) < lvts_data->num_efuse_addr) \ + ? ((lvts_data->efuse[index] & BIT(bit)) >> (bit)) \ + : 0) + +#define GET_TC_SENSOR_NUM(tc_id) \ + (lvts_data->tc[tc_id].num_sensor) + +#define ONE_SAMPLE (lvts_data->counting_window_us + 2 * BUS_ACCESS_US) + +#define NUM_OF_SAMPLE(tc_id) \ + ((lvts_data->tc[tc_id].hw_filter < LVTS_FILTER_2) ? 1 : \ + ((lvts_data->tc[tc_id].hw_filter > LVTS_FILTER_16_OF_18) ? 1 : \ + ((lvts_data->tc[tc_id].hw_filter == LVTS_FILTER_16_OF_18) ? 18 :\ + ((lvts_data->tc[tc_id].hw_filter == LVTS_FILTER_8_OF_10) ? 10 : \ + (lvts_data->tc[tc_id].hw_filter * 2))))) + +#define PERIOD_UNIT_US(tc_id) \ + ((lvts_data->tc[tc_id].tc_speed.period_unit * 256 * \ + CLOCK_26MHZ_CYCLE_NS) / 1000) +#define FILTER_INT_US(tc_id) \ + (lvts_data->tc[tc_id].tc_speed.filter_interval_delay \ + * PERIOD_UNIT_US(tc_id)) +#define SENSOR_INT_US(tc_id) \ + (lvts_data->tc[tc_id].tc_speed.sensor_interval_delay \ + * PERIOD_UNIT_US(tc_id)) +#define GROUP_INT_US(tc_id) \ + (lvts_data->tc[tc_id].tc_speed.group_interval_delay \ + * PERIOD_UNIT_US(tc_id)) + +#define SENSOR_LATENCY_US(tc_id) \ + ((NUM_OF_SAMPLE(tc_id) - 1) * FILTER_INT_US(tc_id) \ + + NUM_OF_SAMPLE(tc_id) * ONE_SAMPLE) + +#define GROUP_LATENCY_US(tc_id) \ + (GET_TC_SENSOR_NUM(tc_id) * SENSOR_LATENCY_US(tc_id) \ + + (GET_TC_SENSOR_NUM(tc_id) - 1) * SENSOR_INT_US(tc_id) \ + + GROUP_INT_US(tc_id)) + +/*================================================== + * LVTS local common code + *================================================== + */ +static int lvts_raw_to_temp(struct formula_coeff *co, unsigned int msr_raw) +{ + /* This function returns degree mC */ + + int temp; + + temp = (co->a * ((unsigned long long)msr_raw)) >> 14; + temp = temp + co->golden_temp * 500 + co->b; + + return temp; +} + +static unsigned int lvts_temp_to_raw(struct formula_coeff *co, int temp) +{ + unsigned int msr_raw; + + msr_raw = div_s64((s64)((co->golden_temp * 500 + co->b - temp)) << 14, + (-1 * co->a)); + + return msr_raw; +} + +static int soc_temp_lvts_read_temp(void *data, int *temperature) +{ + struct soc_temp_tz *lvts_tz = (struct soc_temp_tz *)data; + struct lvts_data *lvts_data = lvts_tz->lvts_data; + unsigned int msr_raw; + + msr_raw = readl(lvts_data->reg[lvts_tz->id]) & MRS_RAW_MASK; + if (msr_raw == 0) + return -EINVAL; + + *temperature = lvts_raw_to_temp(&lvts_data->coeff, msr_raw); + + return 0; +} + +static const struct thermal_zone_of_device_ops soc_temp_lvts_ops = { + .get_temp = soc_temp_lvts_read_temp, +}; + +static void lvts_write_device(struct lvts_data *lvts_data, unsigned int data, + int tc_id) +{ + void __iomem *base; + + base = GET_BASE_ADDR(tc_id); + + writel(data, LVTS_CONFIG_0 + base); + + usleep_range(5, 15); +} + +static unsigned int lvts_read_device(struct lvts_data *lvts_data, + unsigned int reg_idx, int tc_id) +{ + struct device *dev = lvts_data->dev; + void __iomem *base; + unsigned int data; + int ret; + + base = GET_BASE_ADDR(tc_id); + writel(READ_DEVICE_REG(reg_idx), LVTS_CONFIG_0 + base); + + ret = readl_poll_timeout(LVTS_CONFIG_0 + base, data, + !(data & DEVICE_ACCESS_STARTUS), + 2, 200); + if (ret) + dev_err(dev, + "Error: LVTS %d DEVICE_ACCESS_START didn't ready\n", tc_id); + + data = readl(LVTSRDATA0_0 + base); + + return data; +} + +static void wait_all_tc_sensing_point_idle(struct lvts_data *lvts_data) +{ + struct device *dev = lvts_data->dev; + unsigned int mask, error_code, is_error; + void __iomem *base; + int i, cnt, ret; + + mask = BIT(10) | BIT(7) | BIT(0); + + for (cnt = 0; cnt < 2; cnt++) { + is_error = 0; + for (i = 0; i < lvts_data->num_tc; i++) { + base = GET_BASE_ADDR(i); + ret = readl_poll_timeout(LVTSMSRCTL1_0 + base, error_code, + !(error_code & mask), 2, 200); + /* + * Error code + * 000: IDLE + * 001: Write transaction + * 010: Waiting for read after Write + * 011: Disable Continue fetching on Device + * 100: Read transaction + * 101: Set Device special Register for Voltage threshold + * 111: Set TSMCU number for Fetch + */ + error_code = ((error_code & BIT(10)) >> 8) + + ((error_code & BIT(7)) >> 6) + + (error_code & BIT(0)); + + if (ret) + dev_err(dev, + "Error LVTS %d sensing points aren't idle, error_code %d\n", + i, error_code); + + if (error_code != 0) + is_error = 1; + } + + if (is_error == 0) + break; + } +} + +static void lvts_reset(struct lvts_data *lvts_data) +{ + int i; + + for (i = 0; i < lvts_data->num_domain; i++) { + if (lvts_data->domain[i].reset) + reset_control_assert(lvts_data->domain[i].reset); + + if (lvts_data->domain[i].reset) + reset_control_deassert(lvts_data->domain[i].reset); + } +} + +static void device_identification(struct lvts_data *lvts_data) +{ + struct device *dev = lvts_data->dev; + unsigned int i, data; + void __iomem *base; + + for (i = 0; i < lvts_data->num_tc; i++) { + base = GET_BASE_ADDR(i); + + writel(ENABLE_LVTS_CTRL_CLK, LVTSCLKEN_0 + base); + + lvts_write_device(lvts_data, RESET_ALL_DEVICES, i); + + lvts_write_device(lvts_data, READ_BACK_DEVICE_ID, i); + + /* Check LVTS device ID */ + data = (readl(LVTS_ID_0 + base) & GENMASK(7, 0)); + if (data != (0x81 + i)) + dev_err(dev, "LVTS_TC_%d, Device ID should be 0x%x, but 0x%x\n", + i, (0x81 + i), data); + } +} + +static void disable_all_sensing_points(struct lvts_data *lvts_data) +{ + unsigned int i; + void __iomem *base; + + for (i = 0; i < lvts_data->num_tc; i++) { + base = GET_BASE_ADDR(i); + writel(DISABLE_SENSING_POINT, LVTSMONCTL0_0 + base); + } +} + +static void enable_all_sensing_points(struct lvts_data *lvts_data) +{ + struct device *dev = lvts_data->dev; + struct tc_settings *tc = lvts_data->tc; + unsigned int i, num; + void __iomem *base; + + for (i = 0; i < lvts_data->num_tc; i++) { + base = GET_BASE_ADDR(i); + num = tc[i].num_sensor; + + if (num > ALL_SENSING_POINTS) { + dev_err(dev, + "%s, LVTS%d, illegal number of sensors: %d\n", + __func__, i, tc[i].num_sensor); + continue; + } + + writel(ENABLE_SENSING_POINT(num), LVTSMONCTL0_0 + base); + } +} + +static void set_polling_speed(struct lvts_data *lvts_data, int tc_id) +{ + struct device *dev = lvts_data->dev; + struct tc_settings *tc = lvts_data->tc; + unsigned int lvts_mon_ctl_1, lvts_mon_ctl_2; + void __iomem *base; + + base = GET_BASE_ADDR(tc_id); + + lvts_mon_ctl_1 = ((tc[tc_id].tc_speed.group_interval_delay << 20) & GENMASK(29, 20)) | + (tc[tc_id].tc_speed.period_unit & GENMASK(9, 0)); + lvts_mon_ctl_2 = ((tc[tc_id].tc_speed.filter_interval_delay << 16) & GENMASK(25, 16)) | + (tc[tc_id].tc_speed.sensor_interval_delay & GENMASK(9, 0)); + /* + * Clock source of LVTS thermal controller is 26MHz. + * Period unit is a base for all interval delays + * All interval delays must multiply it to convert a setting to time. + * Filter interval delay is a delay between two samples of the same sensor + * Sensor interval delay is a delay between two samples of differnet sensors + * Group interval delay is a delay between different rounds. + * For example: + * If Period unit = C, filter delay = 1, sensor delay = 2, group delay = 1, + * and two sensors, TS1 and TS2, are in a LVTS thermal controller + * and then + * Period unit = C * 1/26M * 256 = 12 * 38.46ns * 256 = 118.149us + * Filter interval delay = 1 * Period unit = 118.149us + * Sensor interval delay = 2 * Period unit = 236.298us + * Group interval delay = 1 * Period unit = 118.149us + * + * TS1 TS1 ... TS1 TS2 TS2 ... TS2 TS1... + * <--> Filter interval delay + * <--> Sensor interval delay + * <--> Group interval delay + */ + writel(lvts_mon_ctl_1, LVTSMONCTL1_0 + base); + writel(lvts_mon_ctl_2, LVTSMONCTL2_0 + base); + + dev_info(dev, "%s %d, LVTSMONCTL1_0= 0x%x,LVTSMONCTL2_0= 0x%x\n", + __func__, tc_id, readl(LVTSMONCTL1_0 + base), + readl(LVTSMONCTL2_0 + base)); +} + +static void set_hw_filter(struct lvts_data *lvts_data, int tc_id) +{ + struct device *dev = lvts_data->dev; + struct tc_settings *tc = lvts_data->tc; + unsigned int option; + void __iomem *base; + + base = GET_BASE_ADDR(tc_id); + option = tc[tc_id].hw_filter & 0x7; + /* hw filter + * 000: Get one sample + * 001: Get 2 samples and average them + * 010: Get 4 samples, drop max and min, then average the rest of 2 samples + * 011: Get 6 samples, drop max and min, then average the rest of 4 samples + * 100: Get 10 samples, drop max and min, then average the rest of 8 samples + * 101: Get 18 samples, drop max and min, then average the rest of 16 samples + */ + option = (option << 9) | (option << 6) | (option << 3) | option; + + writel(option, LVTSMSRCTL0_0 + base); + dev_info(dev, "%s %d, LVTSMSRCTL0_0= 0x%x\n", + __func__, tc_id, readl(LVTSMSRCTL0_0 + base)); +} + +static int get_dominator_index(struct lvts_data *lvts_data, int tc_id) +{ + struct device *dev = lvts_data->dev; + struct tc_settings *tc = lvts_data->tc; + int d_index; + + if (tc[tc_id].dominator_sensing_point == ALL_SENSING_POINTS) { + d_index = ALL_SENSING_POINTS; + } else if (tc[tc_id].dominator_sensing_point < + tc[tc_id].num_sensor){ + d_index = tc[tc_id].dominator_sensing_point; + } else { + dev_err(dev, + "Error: LVTS%d, dominator_sensing_point= %d should smaller than num_sensor= %d\n", + tc_id, tc[tc_id].dominator_sensing_point, + tc[tc_id].num_sensor); + + dev_err(dev, "Use the sensing point 0 as the dominated sensor\n"); + d_index = SENSING_POINT0; + } + + return d_index; +} + +static void disable_hw_reboot_interrupt(struct lvts_data *lvts_data, int tc_id) +{ + unsigned int temp; + void __iomem *base; + + base = GET_BASE_ADDR(tc_id); + + /* LVTS thermal controller has two interrupts for thermal HW reboot + * One is for AP SW and the other is for RGU + * The interrupt of AP SW can turn off by a bit of a register, but + * the other for RGU cannot. + * To prevent rebooting device accidentally, we are going to add + * a huge offset to LVTS and make LVTS always report extremely low + * temperature. + */ + + /* After adding the huge offset 0x3FFF, LVTS alawys adds the + * offset to MSR_RAW. + * When MSR_RAW is larger, SW will convert lower temperature/ + */ + temp = readl(LVTSPROTCTL_0 + base); + writel(temp | 0x3FFF, LVTSPROTCTL_0 + base); + + /* Disable the interrupt of AP SW */ + temp = readl(LVTSMONINT_0 + base); + writel(temp & ~(STAGE3_INT_EN), LVTSMONINT_0 + base); +} + +static void enable_hw_reboot_interrupt(struct lvts_data *lvts_data, int tc_id) +{ + unsigned int temp; + void __iomem *base; + + base = GET_BASE_ADDR(tc_id); + + /* Enable the interrupt of AP SW */ + temp = readl(LVTSMONINT_0 + base); + writel(temp | STAGE3_INT_EN, LVTSMONINT_0 + base); + /* Clear the offset */ + temp = readl(LVTSPROTCTL_0 + base); + writel(temp & ~PROTOFFSET, LVTSPROTCTL_0 + base); +} + +static void set_tc_hw_reboot_threshold(struct lvts_data *lvts_data, + int trip_point, int tc_id) +{ + struct device *dev = lvts_data->dev; + unsigned int msr_raw, temp, config, d_index; + void __iomem *base; + + base = GET_BASE_ADDR(tc_id); + d_index = get_dominator_index(lvts_data, tc_id); + + dev_info(dev, "%s: LVTS%d, the dominator sensing point= %d\n", + __func__, tc_id, d_index); + + disable_hw_reboot_interrupt(lvts_data, tc_id); + + temp = readl(LVTSPROTCTL_0 + base); + if (d_index == ALL_SENSING_POINTS) { + /* Maximum of 4 sensing points */ + config = (0x1 << 16); + writel(config | temp, LVTSPROTCTL_0 + base); + } else { + /* Select protection sensor */ + config = ((d_index << 2) + 0x2) << 16; + writel(config | temp, LVTSPROTCTL_0 + base); + } + + msr_raw = lvts_temp_to_raw(&lvts_data->coeff, trip_point); + writel(msr_raw, LVTSPROTTC_0 + base); + + enable_hw_reboot_interrupt(lvts_data, tc_id); +} + +static void set_all_tc_hw_reboot(struct lvts_data *lvts_data) +{ + struct tc_settings *tc = lvts_data->tc; + int i, trip_point; + + for (i = 0; i < lvts_data->num_tc; i++) { + trip_point = tc[i].hw_reboot_trip_point; + + if (tc[i].num_sensor == 0) + continue; + + if (trip_point == DISABLE_THERMAL_HW_REBOOT) + continue; + + set_tc_hw_reboot_threshold(lvts_data, trip_point, i); + } +} + +static int lvts_init(struct lvts_data *lvts_data) +{ + struct platform_ops *ops = &lvts_data->ops; + struct device *dev = lvts_data->dev; + int ret; + + ret = clk_prepare_enable(lvts_data->clk); + if (ret) { + dev_err(dev, + "Error: Failed to enable lvts controller clock: %d\n", + ret); + return ret; + } + + lvts_reset(lvts_data); + + device_identification(lvts_data); + if (ops->device_enable_and_init) + ops->device_enable_and_init(lvts_data); + + if (IS_ENABLE(FEATURE_DEVICE_AUTO_RCK)) { + if (ops->device_enable_auto_rck) + ops->device_enable_auto_rck(lvts_data); + } else { + if (ops->device_read_count_rc_n) + ops->device_read_count_rc_n(lvts_data); + } + + if (ops->set_cal_data) + ops->set_cal_data(lvts_data); + + disable_all_sensing_points(lvts_data); + wait_all_tc_sensing_point_idle(lvts_data); + if (ops->init_controller) + ops->init_controller(lvts_data); + enable_all_sensing_points(lvts_data); + + set_all_tc_hw_reboot(lvts_data); + + return 0; +} + +static int prepare_calibration_data(struct lvts_data *lvts_data) +{ + struct device *dev = lvts_data->dev; + struct sensor_cal_data *cal_data = &lvts_data->cal_data; + struct platform_ops *ops = &lvts_data->ops; + int i, offset, size; + char buffer[512]; + + cal_data->count_r = devm_kcalloc(dev, lvts_data->num_sensor, + sizeof(*cal_data->count_r), GFP_KERNEL); + if (!cal_data->count_r) + return -ENOMEM; + + cal_data->count_rc = devm_kcalloc(dev, lvts_data->num_sensor, + sizeof(*cal_data->count_rc), GFP_KERNEL); + if (!cal_data->count_rc) + return -ENOMEM; + + if (ops->efuse_to_cal_data) + ops->efuse_to_cal_data(lvts_data); + + cal_data->use_fake_efuse = 1; + if (cal_data->golden_temp != 0) { + cal_data->use_fake_efuse = 0; + } else { + for (i = 0; i < lvts_data->num_sensor; i++) { + if (cal_data->count_r[i] != 0 || + cal_data->count_rc[i] != 0) { + cal_data->use_fake_efuse = 0; + break; + } + } + } + + if (cal_data->use_fake_efuse) { + /* It means all efuse data are equal to 0 */ + dev_err(dev, + "[lvts_cal] This sample is not calibrated, fake !!\n"); + + cal_data->golden_temp = cal_data->default_golden_temp; + for (i = 0; i < lvts_data->num_sensor; i++) { + cal_data->count_r[i] = cal_data->default_count_r; + cal_data->count_rc[i] = cal_data->default_count_rc; + } + } + + lvts_data->coeff.golden_temp = cal_data->golden_temp; + + dev_info(dev, "[lvts_cal] golden_temp = %d\n", cal_data->golden_temp); + + size = sizeof(buffer); + offset = snprintf(buffer, size, "[lvts_cal] num:g_count:g_count_rc "); + for (i = 0; i < lvts_data->num_sensor; i++) + offset += snprintf(buffer + offset, size - offset, "%d:%d:%d ", + i, cal_data->count_r[i], cal_data->count_rc[i]); + + buffer[offset] = '\0'; + dev_info(dev, "%s\n", buffer); + + return 0; +} + +static int get_calibration_data(struct lvts_data *lvts_data) +{ + struct device *dev = lvts_data->dev; + char cell_name[8]; + struct nvmem_cell *cell; + u32 *buf; + size_t len; + int i, j, index = 0, ret; + + lvts_data->efuse = devm_kcalloc(dev, lvts_data->num_efuse_addr, + sizeof(*lvts_data->efuse), GFP_KERNEL); + if (!lvts_data->efuse) + return -ENOMEM; + + for (i = 0; i < lvts_data->num_efuse_block; i++) { + snprintf(cell_name, sizeof(cell_name), "e_data%d", i + 1); + cell = nvmem_cell_get(dev, cell_name); + if (IS_ERR(cell)) { + dev_err(dev, "Error: Failed to get nvmem cell %s\n", cell_name); + return PTR_ERR(cell); + } + + buf = (u32 *)nvmem_cell_read(cell, &len); + nvmem_cell_put(cell); + + if (IS_ERR(buf)) + return PTR_ERR(buf); + + for (j = 0; j < (len / sizeof(u32)); j++) { + if (index >= lvts_data->num_efuse_addr) { + dev_err(dev, "Array efuse is going to overflow"); + kfree(buf); + return -EINVAL; + } + + lvts_data->efuse[index] = buf[j]; + index++; + } + + kfree(buf); + } + + ret = prepare_calibration_data(lvts_data); + + return ret; +} + +static int lvts_init_tc_regs(struct device *dev, struct lvts_data *lvts_data) +{ + struct tc_settings *tc = lvts_data->tc; + unsigned int i, j, s_index; + void __iomem *base; + + lvts_data->reg = devm_kcalloc(dev, lvts_data->num_sensor, + sizeof(*lvts_data->reg), GFP_KERNEL); + if (!lvts_data->reg) + return -ENOMEM; + + for (i = 0; i < lvts_data->num_tc; i++) { + base = GET_BASE_ADDR(i); + for (j = 0; j < tc[i].num_sensor; j++) { + s_index = tc[i].sensor_map[j]; + lvts_data->reg[s_index] = LVTSMSR0_0 + base + 0x4 * j; + } + } + + return 0; +} + +static int of_update_lvts_data(struct lvts_data *lvts_data, + struct platform_device *pdev) +{ + struct device *dev = lvts_data->dev; + struct power_domain *domain; + struct resource *res; + unsigned int i; + int ret; + + lvts_data->clk = devm_clk_get(dev, "lvts_clk"); + if (IS_ERR(lvts_data->clk)) + return PTR_ERR(lvts_data->clk); + + domain = devm_kcalloc(dev, lvts_data->num_domain, sizeof(*domain), GFP_KERNEL); + if (!domain) + return -ENOMEM; + + for (i = 0; i < lvts_data->num_domain; i++) { + /* Get base address */ + res = platform_get_resource(pdev, IORESOURCE_MEM, i); + if (!res) { + dev_err(dev, "No IO resource, index %d\n", i); + return -ENXIO; + } + + domain[i].base = devm_ioremap_resource(dev, res); + if (IS_ERR(domain[i].base)) { + dev_err(dev, "Failed to remap io, index %d\n", i); + return PTR_ERR(domain[i].base); + } + + /* Get interrupt number */ + res = platform_get_resource(pdev, IORESOURCE_IRQ, i); + if (!res) { + dev_err(dev, "No irq resource, index %d\n", i); + return -EINVAL; + } + domain[i].irq_num = res->start; + + /* Get reset control */ + domain[i].reset = devm_reset_control_get_by_index(dev, i); + if (IS_ERR(domain[i].reset)) { + dev_err(dev, "Failed to get, index %d\n", i); + return PTR_ERR(domain[i].reset); + } + } + + lvts_data->domain = domain; + + ret = lvts_init_tc_regs(dev, lvts_data); + if (ret) + return ret; + + ret = get_calibration_data(lvts_data); + if (ret) + return ret; + + return 0; +} + +static void lvts_device_close(struct lvts_data *lvts_data) +{ + unsigned int i; + void __iomem *base; + + for (i = 0; i < lvts_data->num_tc; i++) { + base = GET_BASE_ADDR(i); + lvts_write_device(lvts_data, RESET_ALL_DEVICES, i); + writel(DISABLE_LVTS_CTRL_CLK, LVTSCLKEN_0 + base); + } +} + +static void lvts_close(struct lvts_data *lvts_data) +{ + disable_all_sensing_points(lvts_data); + wait_all_tc_sensing_point_idle(lvts_data); + lvts_device_close(lvts_data); + clk_disable_unprepare(lvts_data->clk); +} + +static void tc_irq_handler(struct lvts_data *lvts_data, int tc_id) +{ + struct device *dev = lvts_data->dev; + unsigned int ret = 0; + void __iomem *base; + + base = GET_BASE_ADDR(tc_id); + + ret = readl(LVTSMONINTSTS_0 + base); + /* Write back to clear interrupt status */ + writel(ret, LVTSMONINTSTS_0 + base); + + dev_info(dev, "[Thermal IRQ] LVTS thermal controller %d, LVTSMONINTSTS=0x%08x\n", + tc_id, ret); + + if (ret & THERMAL_PROTECTION_STAGE_3) + dev_info(dev, + "[Thermal IRQ]: Thermal protection stage 3 interrupt triggered\n"); +} + +static irqreturn_t irq_handler(int irq, void *dev_id) +{ + struct lvts_data *lvts_data = (struct lvts_data *)dev_id; + struct device *dev = lvts_data->dev; + struct tc_settings *tc = lvts_data->tc; + unsigned int i, *irq_bitmap; + void __iomem *base; + + irq_bitmap = kcalloc(lvts_data->num_domain, sizeof(*irq_bitmap), GFP_ATOMIC); + + if (!irq_bitmap) + return IRQ_NONE; + + for (i = 0; i < lvts_data->num_domain; i++) { + base = lvts_data->domain[i].base; + irq_bitmap[i] = readl(THERMINTST + base); + dev_info(dev, "%s : THERMINTST = 0x%x\n", __func__, irq_bitmap[i]); + } + + for (i = 0; i < lvts_data->num_tc; i++) { + if ((irq_bitmap[tc[i].domain_index] & tc[i].irq_bit) == 0) + tc_irq_handler(lvts_data, i); + } + + kfree(irq_bitmap); + + return IRQ_HANDLED; +} + +static int lvts_register_irq_handler(struct lvts_data *lvts_data) +{ + struct device *dev = lvts_data->dev; + unsigned int i; + int ret; + + for (i = 0; i < lvts_data->num_domain; i++) { + ret = devm_request_irq(dev, lvts_data->domain[i].irq_num, irq_handler, + IRQF_TRIGGER_HIGH, "mtk_lvts", lvts_data); + + if (ret) { + dev_err(dev, "Failed to register LVTS IRQ, ret %d, domain %d irq_num %d\n", + ret, i, lvts_data->domain[i].irq_num); + lvts_close(lvts_data); + return ret; + } + } + + return 0; +} + +static int lvts_register_thermal_zones(struct lvts_data *lvts_data) +{ + struct device *dev = lvts_data->dev; + struct thermal_zone *tzdev; + struct soc_temp_tz *lvts_tz; + int i, ret; + + for (i = 0; i < lvts_data->num_sensor; i++) { + lvts_tz = devm_kzalloc(dev, sizeof(*lvts_tz), GFP_KERNEL); + if (!lvts_tz) { + lvts_close(lvts_data); + return -ENOMEM; + } + + lvts_tz->id = i; + lvts_tz->lvts_data = lvts_data; + + tzdev = devm_thermal_zone_of_sensor_register(dev, lvts_tz->id, + lvts_tz, &soc_temp_lvts_ops); + + if (IS_ERR(tzdev)) { + if (lvts_tz->id != 0) + return 0; + + ret = PTR_ERR(tzdev); + dev_err(dev, "Error: Failed to register lvts tz %d, ret = %d\n", + lvts_tz->id, ret); + lvts_close(lvts_data); + return ret; + } + } + + return 0; +} + +static int lvts_probe(struct platform_device *pdev) +{ + struct device *dev = &pdev->dev; + struct lvts_data *lvts_data; + int ret; + + lvts_data = (struct lvts_data *)of_device_get_match_data(dev); + + if (!lvts_data) { + dev_err(dev, "Error: Failed to get lvts platform data\n"); + return -ENODATA; + } + + lvts_data->dev = &pdev->dev; + + ret = of_update_lvts_data(lvts_data, pdev); + if (ret) + return ret; + + platform_set_drvdata(pdev, lvts_data); + + ret = lvts_init(lvts_data); + if (ret) + return ret; + + ret = lvts_register_irq_handler(lvts_data); + if (ret) + return ret; + + ret = lvts_register_thermal_zones(lvts_data); + if (ret) + return ret; + + return 0; +} + +static int lvts_remove(struct platform_device *pdev) +{ + struct lvts_data *lvts_data; + + lvts_data = (struct lvts_data *)platform_get_drvdata(pdev); + + lvts_close(lvts_data); + + return 0; +} + +static int lvts_suspend(struct platform_device *pdev, pm_message_t state) +{ + struct lvts_data *lvts_data; + + lvts_data = (struct lvts_data *)platform_get_drvdata(pdev); + + lvts_close(lvts_data); + + return 0; +} + +static int lvts_resume(struct platform_device *pdev) +{ + int ret; + struct lvts_data *lvts_data; + + lvts_data = (struct lvts_data *)platform_get_drvdata(pdev); + + ret = lvts_init(lvts_data); + if (ret) + return ret; + + return 0; +} + +/*================================================== + * LVTS v4 common code + *================================================== + */ +static void device_enable_and_init_v4(struct lvts_data *lvts_data) +{ + unsigned int i; + + for (i = 0; i < lvts_data->num_tc; i++) { + lvts_write_device(lvts_data, STOP_COUNTING_V4, i); + lvts_write_device(lvts_data, SET_RG_TSFM_LPDLY_V4, i); + lvts_write_device(lvts_data, SET_COUNTING_WINDOW_20US1_V4, i); + lvts_write_device(lvts_data, SET_COUNTING_WINDOW_20US2_V4, i); + lvts_write_device(lvts_data, TSV2F_CHOP_CKSEL_AND_TSV2F_EN_V4, i); + lvts_write_device(lvts_data, TSBG_DEM_CKSEL_X_TSBG_CHOP_EN_V4, i); + lvts_write_device(lvts_data, SET_TS_RSV_V4, i); + lvts_write_device(lvts_data, SET_TS_EN_V4, i); + lvts_write_device(lvts_data, TOGGLE_RG_TSV2F_VCO_RST1_V4, i); + lvts_write_device(lvts_data, TOGGLE_RG_TSV2F_VCO_RST2_V4, i); + } + + lvts_data->counting_window_us = 20; +} + +static void device_enable_auto_rck_v4(struct lvts_data *lvts_data) +{ + unsigned int i; + + for (i = 0; i < lvts_data->num_tc; i++) + lvts_write_device(lvts_data, SET_LVTS_AUTO_RCK_V4, i); +} + +static int device_read_count_rc_n_v4(struct lvts_data *lvts_data) +{ + /* Resistor-Capacitor Calibration */ + /* count_RC_N: count RC now */ + struct device *dev = lvts_data->dev; + struct tc_settings *tc = lvts_data->tc; + struct sensor_cal_data *cal_data = &lvts_data->cal_data; + unsigned int offset, size, s_index, data; + void __iomem *base; + int ret, i, j; + char buffer[512]; + + cal_data->count_rc_now = devm_kcalloc(dev, lvts_data->num_sensor, + sizeof(*cal_data->count_rc_now), GFP_KERNEL); + if (!cal_data->count_rc_now) + return -ENOMEM; + + for (i = 0; i < lvts_data->num_tc; i++) { + base = GET_BASE_ADDR(i); + for (j = 0; j < tc[i].num_sensor; j++) { + s_index = tc[i].sensor_map[j]; + + lvts_write_device(lvts_data, SELECT_SENSOR_RCK_V4(j), i); + lvts_write_device(lvts_data, SET_DEVICE_SINGLE_MODE_V4, i); + usleep_range(10, 20); + + lvts_write_device(lvts_data, KICK_OFF_RCK_COUNTING_V4, i); + usleep_range(30, 40); + + ret = readl_poll_timeout(LVTS_CONFIG_0 + base, data, + !(data & DEVICE_SENSING_STATUS), 2, 200); + if (ret) + dev_err(dev, + "Error: LVTS %d DEVICE_SENSING_STATUS didn't ready\n", i); + + data = lvts_read_device(lvts_data, 0x00, i); + + cal_data->count_rc_now[s_index] = (data & GENMASK(23, 0)); + } + + /* Recover Setting for Normal Access on + * temperature fetch + */ + lvts_write_device(lvts_data, SET_SENSOR_NO_RCK_V4, i); + lvts_write_device(lvts_data, SET_DEVICE_LOW_POWER_SINGLE_MODE_V4, i); + } + + size = sizeof(buffer); + offset = snprintf(buffer, size, "[COUNT_RC_NOW] "); + for (i = 0; i < lvts_data->num_sensor; i++) + offset += snprintf(buffer + offset, size - offset, "%d:%d ", + i, cal_data->count_rc_now[i]); + + buffer[offset] = '\0'; + dev_info(dev, "%s\n", buffer); + + return 0; +} + +static void set_calibration_data_v4(struct lvts_data *lvts_data) +{ + struct tc_settings *tc = lvts_data->tc; + struct sensor_cal_data *cal_data = &lvts_data->cal_data; + unsigned int i, j, s_index, e_data; + void __iomem *base; + + for (i = 0; i < lvts_data->num_tc; i++) { + base = GET_BASE_ADDR(i); + + for (j = 0; j < tc[i].num_sensor; j++) { + s_index = tc[i].sensor_map[j]; + if (IS_ENABLE(FEATURE_DEVICE_AUTO_RCK)) + e_data = cal_data->count_r[s_index]; + else + e_data = (((unsigned long long) + cal_data->count_rc_now[s_index]) * + cal_data->count_r[s_index]) >> 14; + + writel(e_data, LVTSEDATA00_0 + base + 0x4 * j); + } + } +} + +static void init_controller_v4(struct lvts_data *lvts_data) +{ + struct device *dev = lvts_data->dev; + unsigned int i; + void __iomem *base; + + for (i = 0; i < lvts_data->num_tc; i++) { + base = GET_BASE_ADDR(i); + + lvts_write_device(lvts_data, SET_DEVICE_LOW_POWER_SINGLE_MODE_V4, i); + + writel(SET_SENSOR_INDEX, LVTSTSSEL_0 + base); + writel(SET_CALC_SCALE_RULES, LVTSCALSCALE_0 + base); + + set_polling_speed(lvts_data, i); + set_hw_filter(lvts_data, i); + + dev_info(dev, "lvts%d: read all %d sensors in %d us, one in %d us\n", + i, GET_TC_SENSOR_NUM(i), GROUP_LATENCY_US(i), SENSOR_LATENCY_US(i)); + } +} + +/*================================================== + * LVTS MT6873 + *================================================== + */ + +#define MT6873_NUM_LVTS (ARRAY_SIZE(mt6873_tc_settings)) + +enum mt6873_lvts_domain { + MT6873_AP_DOMAIN, + MT6873_MCU_DOMAIN, + MT6873_NUM_DOMAIN +}; + +enum mt6873_lvts_sensor_enum { + MT6873_TS1_0, + MT6873_TS1_1, + MT6873_TS2_0, + MT6873_TS2_1, + MT6873_TS3_0, + MT6873_TS3_1, + MT6873_TS3_2, + MT6873_TS3_3, + MT6873_TS4_0, + MT6873_TS4_1, + MT6873_TS5_0, + MT6873_TS5_1, + MT6873_TS6_0, + MT6873_TS6_1, + MT6873_TS7_0, + MT6873_TS7_1, + MT6873_TS7_2, + MT6873_NUM_TS +}; + +static void mt6873_efuse_to_cal_data(struct lvts_data *lvts_data) +{ + struct sensor_cal_data *cal_data = &lvts_data->cal_data; + + cal_data->golden_temp = GET_CAL_DATA_BITMASK(0, 31, 24); + cal_data->count_r[MT6873_TS1_0] = GET_CAL_DATA_BITMASK(1, 23, 0); + cal_data->count_r[MT6873_TS1_1] = GET_CAL_DATA_BITMASK(2, 23, 0); + cal_data->count_r[MT6873_TS2_0] = GET_CAL_DATA_BITMASK(3, 23, 0); + cal_data->count_r[MT6873_TS2_1] = GET_CAL_DATA_BITMASK(4, 23, 0); + cal_data->count_r[MT6873_TS3_0] = GET_CAL_DATA_BITMASK(5, 23, 0); + cal_data->count_r[MT6873_TS3_1] = GET_CAL_DATA_BITMASK(6, 23, 0); + cal_data->count_r[MT6873_TS3_2] = GET_CAL_DATA_BITMASK(7, 23, 0); + cal_data->count_r[MT6873_TS3_3] = GET_CAL_DATA_BITMASK(8, 23, 0); + cal_data->count_r[MT6873_TS4_0] = GET_CAL_DATA_BITMASK(9, 23, 0); + cal_data->count_r[MT6873_TS4_1] = GET_CAL_DATA_BITMASK(10, 23, 0); + cal_data->count_r[MT6873_TS5_0] = GET_CAL_DATA_BITMASK(11, 23, 0); + cal_data->count_r[MT6873_TS5_1] = GET_CAL_DATA_BITMASK(12, 23, 0); + cal_data->count_r[MT6873_TS6_0] = GET_CAL_DATA_BITMASK(13, 23, 0); + cal_data->count_r[MT6873_TS6_1] = GET_CAL_DATA_BITMASK(14, 23, 0); + cal_data->count_r[MT6873_TS7_0] = GET_CAL_DATA_BITMASK(15, 23, 0); + cal_data->count_r[MT6873_TS7_1] = GET_CAL_DATA_BITMASK(16, 23, 0); + cal_data->count_r[MT6873_TS7_2] = GET_CAL_DATA_BITMASK(17, 23, 0); + + cal_data->count_rc[MT6873_TS1_0] = GET_CAL_DATA_BITMASK(21, 23, 0); + + cal_data->count_rc[MT6873_TS2_0] = (GET_CAL_DATA_BITMASK(1, 31, 24) << 16) + + (GET_CAL_DATA_BITMASK(2, 31, 24) << 8) + + GET_CAL_DATA_BITMASK(3, 31, 24); + + cal_data->count_rc[MT6873_TS3_0] = (GET_CAL_DATA_BITMASK(4, 31, 24) << 16) + + (GET_CAL_DATA_BITMASK(5, 31, 24) << 8) + + GET_CAL_DATA_BITMASK(6, 31, 24); + + cal_data->count_rc[MT6873_TS4_0] = (GET_CAL_DATA_BITMASK(7, 31, 24) << 16) + + (GET_CAL_DATA_BITMASK(8, 31, 24) << 8) + + GET_CAL_DATA_BITMASK(9, 31, 24); + + cal_data->count_rc[MT6873_TS5_0] = (GET_CAL_DATA_BITMASK(10, 31, 24) << 16) + + (GET_CAL_DATA_BITMASK(11, 31, 24) << 8) + + GET_CAL_DATA_BITMASK(12, 31, 24); + + cal_data->count_rc[MT6873_TS6_0] = (GET_CAL_DATA_BITMASK(13, 31, 24) << 16) + + (GET_CAL_DATA_BITMASK(14, 31, 24) << 8) + + GET_CAL_DATA_BITMASK(15, 31, 24); + + cal_data->count_rc[MT6873_TS7_0] = (GET_CAL_DATA_BITMASK(16, 31, 24) << 16) + + (GET_CAL_DATA_BITMASK(17, 31, 24) << 8) + + GET_CAL_DATA_BITMASK(18, 31, 24); +} + +static struct tc_settings mt6873_tc_settings[] = { + [0] = { + .domain_index = MT6873_MCU_DOMAIN, + .addr_offset = 0x0, + .num_sensor = 2, + .sensor_map = {MT6873_TS1_0, MT6873_TS1_1}, + .tc_speed = SET_TC_SPEED_IN_US(118, 118, 118, 118), + .hw_filter = LVTS_FILTER_2_OF_4, + .dominator_sensing_point = SENSING_POINT1, + .hw_reboot_trip_point = 117000, + .irq_bit = BIT(3), + }, + [1] = { + .domain_index = MT6873_MCU_DOMAIN, + .addr_offset = 0x100, + .num_sensor = 2, + .sensor_map = {MT6873_TS2_0, MT6873_TS2_1}, + .tc_speed = SET_TC_SPEED_IN_US(118, 118, 118, 118), + .hw_filter = LVTS_FILTER_2_OF_4, + .dominator_sensing_point = SENSING_POINT0, + .hw_reboot_trip_point = 117000, + .irq_bit = BIT(4), + }, + [2] = { + .domain_index = MT6873_MCU_DOMAIN, + .addr_offset = 0x200, + .num_sensor = 4, + .sensor_map = {MT6873_TS3_0, MT6873_TS3_1, MT6873_TS3_2, MT6873_TS3_3}, + .tc_speed = SET_TC_SPEED_IN_US(118, 118, 118, 118), + .hw_filter = LVTS_FILTER_2_OF_4, + .dominator_sensing_point = SENSING_POINT0, + .hw_reboot_trip_point = 117000, + .irq_bit = BIT(5), + }, + [3] = { + .domain_index = MT6873_AP_DOMAIN, + .addr_offset = 0x0, + .num_sensor = 2, + .sensor_map = {MT6873_TS4_0, MT6873_TS4_1}, + .tc_speed = SET_TC_SPEED_IN_US(118, 118, 118, 118), + .hw_filter = LVTS_FILTER_2_OF_4, + .dominator_sensing_point = SENSING_POINT0, + .hw_reboot_trip_point = 117000, + .irq_bit = BIT(3), + }, + [4] = { + .domain_index = MT6873_AP_DOMAIN, + .addr_offset = 0x100, + .num_sensor = 2, + .sensor_map = {MT6873_TS5_0, MT6873_TS5_1}, + .tc_speed = SET_TC_SPEED_IN_US(118, 118, 118, 118), + .hw_filter = LVTS_FILTER_2_OF_4, + .dominator_sensing_point = SENSING_POINT1, + .hw_reboot_trip_point = 117000, + .irq_bit = BIT(4), + }, + [5] = { + .domain_index = MT6873_AP_DOMAIN, + .addr_offset = 0x200, + .num_sensor = 2, + .sensor_map = {MT6873_TS6_0, MT6873_TS6_1}, + .tc_speed = SET_TC_SPEED_IN_US(118, 118, 118, 118), + .hw_filter = LVTS_FILTER_2_OF_4, + .dominator_sensing_point = SENSING_POINT1, + .hw_reboot_trip_point = 117000, + .irq_bit = BIT(5), + }, + [6] = { + .domain_index = MT6873_AP_DOMAIN, + .addr_offset = 0x300, + .num_sensor = 3, + .sensor_map = {MT6873_TS7_0, MT6873_TS7_1, MT6873_TS7_2}, + .tc_speed = SET_TC_SPEED_IN_US(118, 118, 118, 118), + .hw_filter = LVTS_FILTER_2_OF_4, + .dominator_sensing_point = SENSING_POINT2, + .hw_reboot_trip_point = 117000, + .irq_bit = BIT(6), + } +}; + +static struct lvts_data mt6873_lvts_data = { + .num_domain = MT6873_NUM_DOMAIN, + .num_tc = MT6873_NUM_LVTS, + .tc = mt6873_tc_settings, + .num_sensor = MT6873_NUM_TS, + .ops = { + .efuse_to_cal_data = mt6873_efuse_to_cal_data, + .device_enable_and_init = device_enable_and_init_v4, + .device_enable_auto_rck = device_enable_auto_rck_v4, + .device_read_count_rc_n = device_read_count_rc_n_v4, + .set_cal_data = set_calibration_data_v4, + .init_controller = init_controller_v4, + }, + .feature_bitmap = FEATURE_DEVICE_AUTO_RCK, + .num_efuse_addr = 22, + .num_efuse_block = 1, + .cal_data = { + .default_golden_temp = 50, + .default_count_r = 35000, + .default_count_rc = 2750, + }, + .coeff = { + .a = -250460, + .b = 250460, + }, +}; + +/*================================================== + *================================================== + * Support chips + *================================================== + */ +static const struct of_device_id lvts_of_match[] = { + { + .compatible = "mediatek,mt6873-lvts", + .data = (void *)&mt6873_lvts_data, + }, + { + }, +}; +MODULE_DEVICE_TABLE(of, lvts_of_match); +/*==================================================*/ +static struct platform_driver soc_temp_lvts = { + .probe = lvts_probe, + .remove = lvts_remove, + .suspend = lvts_suspend, + .resume = lvts_resume, + .driver = { + .name = "mtk-soc-temp-lvts", + .of_match_table = lvts_of_match, + }, +}; + +module_platform_driver(soc_temp_lvts); +MODULE_AUTHOR("Yu-Chia Chang "); +MODULE_AUTHOR("Michael Kao "); +MODULE_DESCRIPTION("Mediatek soc temperature driver"); +MODULE_LICENSE("GPL v2"); diff --git a/drivers/thermal/mediatek/soc_temp_lvts.h b/drivers/thermal/mediatek/soc_temp_lvts.h new file mode 100644 index 000000000000..77c64145aa17 --- /dev/null +++ b/drivers/thermal/mediatek/soc_temp_lvts.h @@ -0,0 +1,312 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Copyright (c) 2020 MediaTek Inc. + */ + +#ifndef __MTK_SOC_TEMP_LVTS_H__ +#define __MTK_SOC_TEMP_LVTS_H__ + +/* LVTS HW filter settings + * 000: Get one sample + * 001: Get 2 samples and average them + * 010: Get 4 samples, drop max and min, then average the rest of 2 samples + * 011: Get 6 samples, drop max and min, then average the rest of 4 samples + * 100: Get 10 samples, drop max and min, then average the rest of 8 samples + * 101: Get 18 samples, drop max and min, then average the rest of 16 samples + */ +enum lvts_hw_filter { + LVTS_FILTER_1, + LVTS_FILTER_2, + LVTS_FILTER_2_OF_4, + LVTS_FILTER_4_OF_6, + LVTS_FILTER_8_OF_10, + LVTS_FILTER_16_OF_18 +}; + +enum lvts_sensing_point { + SENSING_POINT0, + SENSING_POINT1, + SENSING_POINT2, + SENSING_POINT3, + ALL_SENSING_POINTS +}; + +/*================================================== + * Data structure + *================================================== + */ +struct lvts_data; + +struct speed_settings { + unsigned int period_unit; + unsigned int group_interval_delay; + unsigned int filter_interval_delay; + unsigned int sensor_interval_delay; +}; + +struct tc_settings { + unsigned int domain_index; + unsigned int addr_offset; + unsigned int num_sensor; + unsigned int sensor_map[ALL_SENSING_POINTS]; /* In sensor ID */ + struct speed_settings tc_speed; + /* HW filter setting + * 000: Get one sample + * 001: Get 2 samples and average them + * 010: Get 4 samples, drop max and min, then average the rest of 2 samples + * 011: Get 6 samples, drop max and min, then average the rest of 4 samples + * 100: Get 10 samples, drop max and min, then average the rest of 8 samples + * 101: Get 18 samples, drop max and min, then average the rest of 16 samples + */ + unsigned int hw_filter; + /* Dominator_sensing point is used to select a sensing point + * and reference its temperature to trigger Thermal HW Reboot + * When it is ALL_SENSING_POINTS, it will select all sensing points + */ + int dominator_sensing_point; + int hw_reboot_trip_point; /* -274000: Disable HW reboot */ + unsigned int irq_bit; +}; + +struct formula_coeff { + int a; + int b; + unsigned int golden_temp; +}; + +struct sensor_cal_data { + int use_fake_efuse; /* 1: Use fake efuse, 0: Use real efuse */ + unsigned int golden_temp; + unsigned int *count_r; + unsigned int *count_rc; + unsigned int *count_rc_now; + + unsigned int default_golden_temp; + unsigned int default_count_r; + unsigned int default_count_rc; +}; + +struct platform_ops { + void (*efuse_to_cal_data)(struct lvts_data *lvts_data); + void (*device_enable_and_init)(struct lvts_data *lvts_data); + void (*device_enable_auto_rck)(struct lvts_data *lvts_data); + int (*device_read_count_rc_n)(struct lvts_data *lvts_data); + void (*set_cal_data)(struct lvts_data *lvts_data); + void (*init_controller)(struct lvts_data *lvts_data); +}; + +struct power_domain { + void __iomem *base; /* LVTS base addresses */ + unsigned int irq_num; /* LVTS interrupt numbers */ + struct reset_control *reset; +}; + +struct sensor_data { + void __iomem *base; /* Sensor base address */ + int offset; /* Sensor offset */ +}; + +struct lvts_data { + struct device *dev; + struct clk *clk; + unsigned int num_domain; + struct power_domain *domain; + + int num_tc; /* Number of LVTS thermal controllers */ + struct tc_settings *tc; + int counting_window_us; /* LVTS device counting window */ + + int num_sensor; /* Number of sensors in this platform */ + void __iomem **reg; + + struct platform_ops ops; + int feature_bitmap; /* Show what features are enabled */ + + unsigned int num_efuse_addr; + unsigned int *efuse; + unsigned int num_efuse_block; /* Number of contiguous efuse indexes */ + struct sensor_cal_data cal_data; + struct formula_coeff coeff; +}; + +struct soc_temp_tz { + unsigned int id; /* if id is 0, get max temperature of all sensors */ + struct lvts_data *lvts_data; +}; + +struct match_entry { + char chip[32]; + struct lvts_data *lvts_data; +}; + +struct lvts_match_data { + unsigned int hw_version; + struct match_entry *table; + void (*set_up_common_callbacks)(struct lvts_data *lvts_data); + struct list_head node; +}; + +struct lvts_id { + unsigned int hw_version; + char chip[32]; +}; + +/*================================================== + * LVTS device register + *================================================== + */ +#define RG_TSFM_DATA_0 0x00 +#define RG_TSFM_DATA_1 0x01 +#define RG_TSFM_DATA_2 0x02 +#define RG_TSFM_CTRL_0 0x03 +#define RG_TSFM_CTRL_1 0x04 +#define RG_TSFM_CTRL_2 0x05 +#define RG_TSFM_CTRL_3 0x06 +#define RG_TSFM_CTRL_4 0x07 +#define RG_TSV2F_CTRL_0 0x08 +#define RG_TSV2F_CTRL_1 0x09 +#define RG_TSV2F_CTRL_2 0x0A +#define RG_TSV2F_CTRL_3 0x0B +#define RG_TSV2F_CTRL_4 0x0C +#define RG_TSV2F_CTRL_5 0x0D +#define RG_TSV2F_CTRL_6 0x0E +#define RG_TEMP_DATA_0 0x10 +#define RG_TEMP_DATA_1 0x11 +#define RG_TEMP_DATA_2 0x12 +#define RG_TEMP_DATA_3 0x13 +#define RG_RC_DATA_0 0x14 +#define RG_RC_DATA_1 0x15 +#define RG_RC_DATA_2 0x16 +#define RG_RC_DATA_3 0x17 +#define RG_DIV_DATA_0 0x18 +#define RG_DIV_DATA_1 0x19 +#define RG_DIV_DATA_2 0x1A +#define RG_DIV_DATA_3 0x1B +#define RG_TST_DATA_0 0x70 +#define RG_TST_DATA_1 0x71 +#define RG_TST_DATA_2 0x72 +#define RG_TST_CTRL 0x73 +#define RG_DBG_FQMTR 0xF0 +#define RG_DBG_LPSEQ 0xF1 +#define RG_DBG_STATE 0xF2 +#define RG_DBG_CHKSUM 0xF3 +#define RG_DID_LVTS 0xFC +#define RG_DID_REV 0xFD +#define RG_TSFM_RST 0xFF +/*================================================== + * LVTS controller register + *================================================== + */ +#define LVTSMONCTL0_0 0x000 +#define LVTS_SINGLE_SENSE BIT(9) +#define ENABLE_SENSING_POINT(num) (LVTS_SINGLE_SENSE | GENMASK(((num) - 1), 0)) +#define DISABLE_SENSING_POINT (LVTS_SINGLE_SENSE | 0x0) +#define LVTSMONCTL1_0 0x004 +#define LVTSMONCTL2_0 0x008 +#define LVTSMONINT_0 0x00C +#define STAGE3_INT_EN BIT(31) +#define LVTSMONINTSTS_0 0x010 +#define LVTSMONIDET0_0 0x014 +#define LVTSMONIDET1_0 0x018 +#define LVTSMONIDET2_0 0x01C +#define LVTSMONIDET3_0 0x020 +#define LVTSH2NTHRE_0 0x024 +#define LVTSHTHRE_0 0x028 +#define LVTSCTHRE_0 0x02C +#define LVTSOFFSETH_0 0x030 +#define LVTSOFFSETL_0 0x034 +#define LVTSMSRCTL0_0 0x038 +#define LVTSMSRCTL1_0 0x03C +#define LVTSTSSEL_0 0x040 +#define SET_SENSOR_INDEX 0x13121110 +#define LVTSDEVICETO_0 0x044 +#define LVTSCALSCALE_0 0x048 +#define SET_CALC_SCALE_RULES 0x00000300 +#define LVTS_ID_0 0x04C +#define LVTS_CONFIG_0 0x050 + +#define BROADCAST_ID_UPDATE BIT(26) +#define DEVICE_SENSING_STATUS BIT(25) +#define DEVICE_ACCESS_STARTUS BIT(24) +#define WRITE_ACCESS BIT(16) +#define DEVICE_WRITE (BIT(31) | CK26M_ACTIVE | DEVICE_ACCESS_STARTUS \ + | BIT(17) | WRITE_ACCESS) +#define DEVICE_READ (BIT(31) | CK26M_ACTIVE | DEVICE_ACCESS_STARTUS \ + | 1 << 17) +#define RESET_ALL_DEVICES (DEVICE_WRITE | RG_TSFM_RST << 8 | 0xFF) +#define READ_BACK_DEVICE_ID (BIT(31) | CK26M_ACTIVE | BROADCAST_ID_UPDATE \ + | DEVICE_ACCESS_STARTUS | BIT(17) \ + | RG_DID_LVTS << 8) +#define READ_DEVICE_REG(reg_idx) (DEVICE_READ | (reg_idx) << 8 | 0x00) +#define LVTSEDATA00_0 0x054 +#define LVTSEDATA01_0 0x058 +#define LVTSEDATA02_0 0x05C +#define LVTSEDATA03_0 0x060 +#define LVTSMSR0_0 0x090 +#define MRS_RAW_MASK GENMASK(15, 0) +#define MRS_RAW_VALID_BIT BIT(16) +#define LVTSMSR1_0 0x094 +#define LVTSMSR2_0 0x098 +#define LVTSMSR3_0 0x09C +#define LVTSIMMD0_0 0x0A0 +#define LVTSIMMD1_0 0x0A4 +#define LVTSIMMD2_0 0x0A8 +#define LVTSIMMD3_0 0x0AC +#define LVTSRDATA0_0 0x0B0 +#define LVTSRDATA1_0 0x0B4 +#define LVTSRDATA2_0 0x0B8 +#define LVTSRDATA3_0 0x0BC +#define LVTSPROTCTL_0 0x0C0 +#define PROTOFFSET GENMASK(15, 0) +#define LVTSPROTTA_0 0x0C4 +#define LVTSPROTTB_0 0x0C8 +#define LVTSPROTTC_0 0x0CC +#define LVTSCLKEN_0 0x0E4 +#define ENABLE_LVTS_CTRL_CLK (1) +#define DISABLE_LVTS_CTRL_CLK (0) +#define LVTSDBGSEL_0 0x0E8 +#define LVTSDBGSIG_0 0x0EC +#define LVTSSPARE0_0 0x0F0 +#define LVTSSPARE1_0 0x0F4 +#define LVTSSPARE2_0 0x0F8 +#define LVTSSPARE3_0 0x0FC + +#define THERMINTST 0xF04 +/*================================================== + * LVTS register mask + *================================================== + */ +#define THERMAL_COLD_INTERRUPT_0 0x00000001 +#define THERMAL_HOT_INTERRUPT_0 0x00000002 +#define THERMAL_LOW_OFFSET_INTERRUPT_0 0x00000004 +#define THERMAL_HIGH_OFFSET_INTERRUPT_0 0x00000008 +#define THERMAL_HOT2NORMAL_INTERRUPT_0 0x00000010 +#define THERMAL_COLD_INTERRUPT_1 0x00000020 +#define THERMAL_HOT_INTERRUPT_1 0x00000040 +#define THERMAL_LOW_OFFSET_INTERRUPT_1 0x00000080 +#define THERMAL_HIGH_OFFSET_INTERRUPT_1 0x00000100 +#define THERMAL_HOT2NORMAL_INTERRUPT_1 0x00000200 +#define THERMAL_COLD_INTERRUPT_2 0x00000400 +#define THERMAL_HOT_INTERRUPT_2 0x00000800 +#define THERMAL_LOW_OFFSET_INTERRUPT_2 0x00001000 +#define THERMAL_HIGH_OFFSET_INTERRUPT_2 0x00002000 +#define THERMAL_HOT2NORMAL_INTERRUPT_2 0x00004000 +#define THERMAL_AHB_TIMEOUT_INTERRUPT 0x00008000 +#define THERMAL_DEVICE_TIMEOUT_INTERRUPT 0x00008000 +#define THERMAL_IMMEDIATE_INTERRUPT_0 0x00010000 +#define THERMAL_IMMEDIATE_INTERRUPT_1 0x00020000 +#define THERMAL_IMMEDIATE_INTERRUPT_2 0x00040000 +#define THERMAL_FILTER_INTERRUPT_0 0x00080000 +#define THERMAL_FILTER_INTERRUPT_1 0x00100000 +#define THERMAL_FILTER_INTERRUPT_2 0x00200000 +#define THERMAL_COLD_INTERRUPT_3 0x00400000 +#define THERMAL_HOT_INTERRUPT_3 0x00800000 +#define THERMAL_LOW_OFFSET_INTERRUPT_3 0x01000000 +#define THERMAL_HIGH_OFFSET_INTERRUPT_3 0x02000000 +#define THERMAL_HOT2NORMAL_INTERRUPT_3 0x04000000 +#define THERMAL_IMMEDIATE_INTERRUPT_3 0x08000000 +#define THERMAL_FILTER_INTERRUPT_3 0x10000000 +#define THERMAL_PROTECTION_STAGE_1 0x20000000 +#define THERMAL_PROTECTION_STAGE_2 0x40000000 +#define THERMAL_PROTECTION_STAGE_3 0x80000000 +#endif /* __MTK_SOC_TEMP_LVTS_H__ */ From patchwork Thu May 12 12:24:31 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alexandre Bailon X-Patchwork-Id: 574157 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 AA72FC433FE for ; Thu, 12 May 2022 12:24:50 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1353661AbiELMYt (ORCPT ); Thu, 12 May 2022 08:24:49 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38040 "EHLO 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[90.63.244.31]) by smtp.gmail.com with ESMTPSA id z22-20020a7bc156000000b003942a244f30sm3047819wmi.9.2022.05.12.05.24.41 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 12 May 2022 05:24:42 -0700 (PDT) From: Alexandre Bailon To: robh+dt@kernel.org, krzk+dt@kernel.org, matthias.bgg@gmail.com, p.zabel@pengutronix.de Cc: rafael@kernel.org, daniel.lezcano@linaro.org, amitk@kernel.org, rui.zhang@intel.com, michael.kao@mediatek.com, ben.tseng@mediatek.com, ethan.chang@mediatek.com, frank-w@public-files.de, linux-pm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, khilman@baylibre.com, Alexandre Bailon Subject: [PATCH v6 5/7] thermal: mediatek: Add thermal zone settings for mt8195 Date: Thu, 12 May 2022 14:24:31 +0200 Message-Id: <20220512122433.1399802-6-abailon@baylibre.com> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220512122433.1399802-1-abailon@baylibre.com> References: <20220512122433.1399802-1-abailon@baylibre.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org From: Michael Kao Add thermal zone settings for mt8195 Signed-off-by: Michael Kao Signed-off-by: Ben Tseng Signed-off-by: Alexandre Bailon --- drivers/thermal/mediatek/soc_temp_lvts.c | 206 +++++++++++++++++++++-- 1 file changed, 192 insertions(+), 14 deletions(-) diff --git a/drivers/thermal/mediatek/soc_temp_lvts.c b/drivers/thermal/mediatek/soc_temp_lvts.c index 145ddd5fe409..1c83c4f9aa64 100644 --- a/drivers/thermal/mediatek/soc_temp_lvts.c +++ b/drivers/thermal/mediatek/soc_temp_lvts.c @@ -53,6 +53,7 @@ #define CLOCK_26MHZ_CYCLE_NS (38) #define BUS_ACCESS_US (2) +#define GOLDEN_TEMP_MAX (62) #define FEATURE_DEVICE_AUTO_RCK (BIT(0)) #define FEATURE_CK26M_ACTIVE (BIT(1)) @@ -549,21 +550,10 @@ static int prepare_calibration_data(struct lvts_data *lvts_data) if (!cal_data->count_rc) return -ENOMEM; - if (ops->efuse_to_cal_data) + if (ops->efuse_to_cal_data && !cal_data->use_fake_efuse) ops->efuse_to_cal_data(lvts_data); - - cal_data->use_fake_efuse = 1; - if (cal_data->golden_temp != 0) { - cal_data->use_fake_efuse = 0; - } else { - for (i = 0; i < lvts_data->num_sensor; i++) { - if (cal_data->count_r[i] != 0 || - cal_data->count_rc[i] != 0) { - cal_data->use_fake_efuse = 0; - break; - } - } - } + if (cal_data->golden_temp == 0 || cal_data->golden_temp > GOLDEN_TEMP_MAX) + cal_data->use_fake_efuse = 1; if (cal_data->use_fake_efuse) { /* It means all efuse data are equal to 0 */ @@ -1247,6 +1237,190 @@ static struct lvts_data mt6873_lvts_data = { }, }; +/*================================================== + * LVTS MT8195 + *================================================== + */ + +#define MT8195_NUM_LVTS (ARRAY_SIZE(mt8195_tc_settings)) + +enum mt8195_lvts_domain { + MT8195_AP_DOMAIN, + MT8195_MCU_DOMAIN, + MT8195_NUM_DOMAIN +}; + +enum mt8195_lvts_sensor_enum { + MT8195_TS1_0, + MT8195_TS1_1, + MT8195_TS2_0, + MT8195_TS2_1, + MT8195_TS3_0, + MT8195_TS3_1, + MT8195_TS3_2, + MT8195_TS3_3, + MT8195_TS4_0, + MT8195_TS4_1, + MT8195_TS5_0, + MT8195_TS5_1, + MT8195_TS6_0, + MT8195_TS6_1, + MT8195_TS6_2, + MT8195_TS7_0, + MT8195_TS7_1, + MT8195_NUM_TS +}; + +static void mt8195_efuse_to_cal_data(struct lvts_data *lvts_data) +{ + struct sensor_cal_data *cal_data = &lvts_data->cal_data; + + cal_data->golden_temp = GET_CAL_DATA_BITMASK(0, 31, 24); + cal_data->count_r[MT8195_TS1_0] = GET_CAL_DATA_BITMASK(1, 23, 0); + cal_data->count_r[MT8195_TS1_1] = (GET_CAL_DATA_BITMASK(2, 15, 0) << 8) + + GET_CAL_DATA_BITMASK(1, 31, 24); + cal_data->count_r[MT8195_TS2_0] = GET_CAL_DATA_BITMASK(3, 31, 8); + cal_data->count_r[MT8195_TS2_1] = GET_CAL_DATA_BITMASK(4, 23, 0); + cal_data->count_r[MT8195_TS3_0] = (GET_CAL_DATA_BITMASK(6, 7, 0) << 16) + + GET_CAL_DATA_BITMASK(5, 31, 16); + cal_data->count_r[MT8195_TS3_1] = GET_CAL_DATA_BITMASK(6, 31, 8); + cal_data->count_r[MT8195_TS3_2] = GET_CAL_DATA_BITMASK(7, 23, 0); + cal_data->count_r[MT8195_TS3_3] = (GET_CAL_DATA_BITMASK(8, 15, 0) << 8) + + GET_CAL_DATA_BITMASK(7, 31, 24); + cal_data->count_r[MT8195_TS4_0] = GET_CAL_DATA_BITMASK(9, 31, 8); + cal_data->count_r[MT8195_TS4_1] = GET_CAL_DATA_BITMASK(10, 23, 0); + cal_data->count_r[MT8195_TS5_0] = (GET_CAL_DATA_BITMASK(12, 7, 0) << 16) + + GET_CAL_DATA_BITMASK(11, 31, 16); + cal_data->count_r[MT8195_TS5_1] = GET_CAL_DATA_BITMASK(12, 31, 8); + cal_data->count_r[MT8195_TS6_0] = (GET_CAL_DATA_BITMASK(14, 15, 0) << 8) + + GET_CAL_DATA_BITMASK(13, 31, 24); + cal_data->count_r[MT8195_TS6_1] = (GET_CAL_DATA_BITMASK(15, 7, 0) << 16) + + GET_CAL_DATA_BITMASK(14, 31, 16); + cal_data->count_r[MT8195_TS6_2] = GET_CAL_DATA_BITMASK(15, 31, 8); + cal_data->count_r[MT8195_TS7_0] = (GET_CAL_DATA_BITMASK(17, 15, 0) << 8) + + GET_CAL_DATA_BITMASK(16, 31, 24); + cal_data->count_r[MT8195_TS7_1] = (GET_CAL_DATA_BITMASK(18, 7, 0) << 16) + + GET_CAL_DATA_BITMASK(17, 31, 16); + cal_data->count_rc[MT8195_TS1_0] = (GET_CAL_DATA_BITMASK(3, 7, 0) << 16) + + GET_CAL_DATA_BITMASK(2, 31, 16); + cal_data->count_rc[MT8195_TS2_0] = (GET_CAL_DATA_BITMASK(5, 15, 0) << 8) + + GET_CAL_DATA_BITMASK(4, 31, 24); + cal_data->count_rc[MT8195_TS3_0] = (GET_CAL_DATA_BITMASK(9, 7, 0) << 16) + + GET_CAL_DATA_BITMASK(8, 31, 16); + cal_data->count_rc[MT8195_TS4_0] = (GET_CAL_DATA_BITMASK(11, 15, 0) << 8) + + GET_CAL_DATA_BITMASK(10, 31, 24); + cal_data->count_rc[MT8195_TS5_0] = GET_CAL_DATA_BITMASK(13, 23, 0); + cal_data->count_rc[MT8195_TS6_0] = GET_CAL_DATA_BITMASK(16, 23, 0); + cal_data->count_rc[MT8195_TS7_0] = GET_CAL_DATA_BITMASK(18, 31, 8); +} + +static struct tc_settings mt8195_tc_settings[] = { + [0] = { + .domain_index = MT8195_MCU_DOMAIN, + .addr_offset = 0x0, + .num_sensor = 2, + .sensor_map = {MT8195_TS1_0, MT8195_TS1_1}, + .tc_speed = SET_TC_SPEED_IN_US(118, 118, 118, 118), + .hw_filter = LVTS_FILTER_2_OF_4, + .dominator_sensing_point = SENSING_POINT1, + .hw_reboot_trip_point = 117000, + .irq_bit = BIT(3), + }, + [1] = { + .domain_index = MT8195_MCU_DOMAIN, + .addr_offset = 0x100, + .num_sensor = 2, + .sensor_map = {MT8195_TS2_0, MT8195_TS2_1}, + .tc_speed = SET_TC_SPEED_IN_US(118, 118, 118, 118), + .hw_filter = LVTS_FILTER_2_OF_4, + .dominator_sensing_point = SENSING_POINT0, + .hw_reboot_trip_point = 117000, + .irq_bit = BIT(4), + }, + [2] = { + .domain_index = MT8195_MCU_DOMAIN, + .addr_offset = 0x200, + .num_sensor = 4, + .sensor_map = {MT8195_TS3_0, MT8195_TS3_1, MT8195_TS3_2, MT8195_TS3_3}, + .tc_speed = SET_TC_SPEED_IN_US(118, 118, 118, 118), + .hw_filter = LVTS_FILTER_2_OF_4, + .dominator_sensing_point = SENSING_POINT0, + .hw_reboot_trip_point = 117000, + .irq_bit = BIT(5), + }, + [3] = { + .domain_index = MT8195_AP_DOMAIN, + .addr_offset = 0x0, + .num_sensor = 2, + .sensor_map = {MT8195_TS4_0, MT8195_TS4_1}, + .tc_speed = SET_TC_SPEED_IN_US(118, 118, 118, 118), + .hw_filter = LVTS_FILTER_2_OF_4, + .dominator_sensing_point = SENSING_POINT0, + .hw_reboot_trip_point = 117000, + .irq_bit = BIT(3), + }, + [4] = { + .domain_index = MT8195_AP_DOMAIN, + .addr_offset = 0x100, + .num_sensor = 2, + .sensor_map = {MT8195_TS5_0, MT8195_TS5_1}, + .tc_speed = SET_TC_SPEED_IN_US(118, 118, 118, 118), + .hw_filter = LVTS_FILTER_2_OF_4, + .dominator_sensing_point = SENSING_POINT1, + .hw_reboot_trip_point = 117000, + .irq_bit = BIT(4), + }, + [5] = { + .domain_index = MT8195_AP_DOMAIN, + .addr_offset = 0x200, + .num_sensor = 3, + .sensor_map = {MT8195_TS6_0, MT8195_TS6_1, MT8195_TS6_2}, + .tc_speed = SET_TC_SPEED_IN_US(118, 118, 118, 118), + .hw_filter = LVTS_FILTER_2_OF_4, + .dominator_sensing_point = SENSING_POINT1, + .hw_reboot_trip_point = 117000, + .irq_bit = BIT(5), + }, + [6] = { + .domain_index = MT8195_AP_DOMAIN, + .addr_offset = 0x300, + .num_sensor = 2, + .sensor_map = {MT8195_TS7_0, MT8195_TS7_1}, + .tc_speed = SET_TC_SPEED_IN_US(118, 118, 118, 118), + .hw_filter = LVTS_FILTER_2_OF_4, + .dominator_sensing_point = SENSING_POINT0, + .hw_reboot_trip_point = 117000, + .irq_bit = BIT(6), + } +}; + +static struct lvts_data mt8195_lvts_data = { + .num_domain = MT8195_NUM_DOMAIN, + .num_tc = MT8195_NUM_LVTS, + .tc = mt8195_tc_settings, + .num_sensor = MT8195_NUM_TS, + .ops = { + .efuse_to_cal_data = mt8195_efuse_to_cal_data, + .device_enable_and_init = device_enable_and_init_v4, + .device_enable_auto_rck = device_enable_auto_rck_v4, + .device_read_count_rc_n = device_read_count_rc_n_v4, + .set_cal_data = set_calibration_data_v4, + .init_controller = init_controller_v4, + }, + .feature_bitmap = FEATURE_DEVICE_AUTO_RCK, + .num_efuse_addr = 22, + .num_efuse_block = 2, + .cal_data = { + .default_golden_temp = 50, + .default_count_r = 35000, + .default_count_rc = 2750, + }, + .coeff = { + .a = -250460, + .b = 250460, + }, +}; + /*================================================== *================================================== * Support chips @@ -1257,6 +1431,10 @@ static const struct of_device_id lvts_of_match[] = { .compatible = "mediatek,mt6873-lvts", .data = (void *)&mt6873_lvts_data, }, + { + .compatible = "mediatek,mt8195-lvts", + .data = (void *)&mt8195_lvts_data, + }, { }, }; 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[90.63.244.31]) by smtp.gmail.com with ESMTPSA id z22-20020a7bc156000000b003942a244f30sm3047819wmi.9.2022.05.12.05.24.43 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 12 May 2022 05:24:44 -0700 (PDT) From: Alexandre Bailon To: robh+dt@kernel.org, krzk+dt@kernel.org, matthias.bgg@gmail.com, p.zabel@pengutronix.de Cc: rafael@kernel.org, daniel.lezcano@linaro.org, amitk@kernel.org, rui.zhang@intel.com, michael.kao@mediatek.com, ben.tseng@mediatek.com, ethan.chang@mediatek.com, frank-w@public-files.de, linux-pm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, khilman@baylibre.com, Tinghan Shen , Alexandre Bailon Subject: [PATCH v6 7/7] arm64: dts: mt8195: Add thermal zone Date: Thu, 12 May 2022 14:24:33 +0200 Message-Id: <20220512122433.1399802-8-abailon@baylibre.com> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220512122433.1399802-1-abailon@baylibre.com> References: <20220512122433.1399802-1-abailon@baylibre.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org From: Tinghan Shen This adds the thermal zone for the mt8195. Signed-off-by: Tinghan Shen Signed-off-by: Ben Tseng Signed-off-by: Alexandre Bailon --- arch/arm64/boot/dts/mediatek/mt8195.dtsi | 103 +++++++++++++++++++++++ 1 file changed, 103 insertions(+) diff --git a/arch/arm64/boot/dts/mediatek/mt8195.dtsi b/arch/arm64/boot/dts/mediatek/mt8195.dtsi index 12887fb4d0d1..d6e5b595a89f 100644 --- a/arch/arm64/boot/dts/mediatek/mt8195.dtsi +++ b/arch/arm64/boot/dts/mediatek/mt8195.dtsi @@ -823,6 +823,21 @@ spi0: spi@1100a000 { status = "disabled"; }; + lvts: lvts@1100b000 { + compatible = "mediatek,mt8195-lvts"; + #thermal-sensor-cells = <1>; + reg = <0 0x1100b000 0 0x1000>, + <0 0x11278000 0 0x1000>; + interrupts = , + ; + clocks = <&infracfg_ao CLK_INFRA_AO_THERM>; + clock-names = "lvts_clk"; + resets = <&infracfg_rst 1>, + <&infracfg_rst 2>; + nvmem-cells = <&lvts_e_data1 &lvts_e_data2>; + nvmem-cell-names = "e_data1","e_data2"; + }; + spi1: spi@11010000 { compatible = "mediatek,mt8195-spi", "mediatek,mt6765-spi"; @@ -1627,4 +1642,92 @@ vencsys_core1: clock-controller@1b000000 { #clock-cells = <1>; }; }; + + thermal_zones: thermal-zones { + cpu_big1 { + polling-delay = <0>; /* milliseconds */ + polling-delay-passive = <0>; /* milliseconds */ + thermal-sensors = <&lvts 0>; + }; + cpu_big2 { + polling-delay = <0>; /* milliseconds */ + polling-delay-passive = <0>; /* milliseconds */ + thermal-sensors = <&lvts 1>; + }; + cpu_big3 { + polling-delay = <0>; /* milliseconds */ + polling-delay-passive = <0>; /* milliseconds */ + thermal-sensors = <&lvts 2>; + }; + cpu_big4 { + polling-delay = <0>; /* milliseconds */ + polling-delay-passive = <0>; /* milliseconds */ + thermal-sensors = <&lvts 3>; + }; + cpu_little1{ + polling-delay = <0>; /* milliseconds */ + polling-delay-passive = <0>; /* milliseconds */ + thermal-sensors = <&lvts 4>; + }; + cpu_little2 { + polling-delay = <0>; /* milliseconds */ + polling-delay-passive = <0>; /* milliseconds */ + thermal-sensors = <&lvts 5>; + }; + cpu_little3 { + polling-delay = <0>; /* milliseconds */ + polling-delay-passive = <0>; /* milliseconds */ + thermal-sensors = <&lvts 6>; + }; + cpu_little4 { + polling-delay = <0>; /* milliseconds */ + polling-delay-passive = <0>; /* milliseconds */ + thermal-sensors = <&lvts 7>; + }; + vpu1 { + polling-delay = <0>; /* milliseconds */ + polling-delay-passive = <0>; /* milliseconds */ + thermal-sensors = <&lvts 8>; + }; + vpu2 { + polling-delay = <0>; /* milliseconds */ + polling-delay-passive = <0>; /* milliseconds */ + thermal-sensors = <&lvts 9>; + }; + gpu1 { + polling-delay = <0>; /* milliseconds */ + polling-delay-passive = <0>; /* milliseconds */ + thermal-sensors = <&lvts 10>; + }; + gpu2 { + polling-delay = <0>; /* milliseconds */ + polling-delay-passive = <0>; /* milliseconds */ + thermal-sensors = <&lvts 11>; + }; + vdec { + polling-delay = <0>; /* milliseconds */ + polling-delay-passive = <0>; /* milliseconds */ + thermal-sensors = <&lvts 12>; + }; + img { + polling-delay = <0>; /* milliseconds */ + polling-delay-passive = <0>; /* milliseconds */ + thermal-sensors = <&lvts 13>; + }; + infra { + polling-delay = <0>; /* milliseconds */ + polling-delay-passive = <0>; /* milliseconds */ + thermal-sensors = <&lvts 14>; + }; + cam1 { + polling-delay = <0>; /* milliseconds */ + polling-delay-passive = <0>; /* milliseconds */ + thermal-sensors = <&lvts 15>; + }; + cam2 { + polling-delay = <0>; /* milliseconds */ + polling-delay-passive = <0>; /* milliseconds */ + thermal-sensors = <&lvts 16>; + }; + }; };