[v8,4/6] thermal: mediatek: Add thermal zone settings for mt8195

Message ID	20220726135506.485108-5-bchihi@baylibre.com
State	New
Headers	show Return-Path: <linux-pm-owner@kernel.org> From: Balsam CHIHI <bchihi@baylibre.com> To: rafael@kernel.org, rui.zhang@intel.com, daniel.lezcano@linaro.org, amitk@kernel.org Cc: linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org, khilman@baylibre.com, mka@chromium.org, robh+dt@kernel.org, krzk+dt@kernel.org, matthias.bgg@gmail.com, p.zabel@pengutronix.de, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, james.lo@mediatek.com, fan.chen@mediatek.com, louis.yu@mediatek.com, rex-bc.chen@mediatek.com, abailon@baylibre.com Subject: [PATCH v8 4/6] thermal: mediatek: Add thermal zone settings for mt8195 Date: Tue, 26 Jul 2022 15:55:04 +0200 Message-Id: <20220726135506.485108-5-bchihi@baylibre.com> In-Reply-To: <20220726135506.485108-1-bchihi@baylibre.com> References: <20220726135506.485108-1-bchihi@baylibre.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk
Series	Add LVTS architecture thermal \| expand [v8,0/6] Add LVTS architecture thermal [v8,1/6] thermal: mediatek: Relocate driver to mediatek folder [v8,2/6] dt-bindings: thermal: Add binding document for LVTS thermal controllers [v8,3/6] thermal: mediatek: Add LVTS drivers for SoC theraml zones for mt8192 [v8,4/6] thermal: mediatek: Add thermal zone settings for mt8195 [v8,5/6] arm64: dts: mt8195: Add efuse node to mt8195 [v8,6/6] arm64: dts: mt8195: Add thermal zone

diff --git a/drivers/thermal/mediatek/Kconfig b/drivers/thermal/mediatek/Kconfig index 7fc04237dd50..df3b4a033fc2 100644 --- a/drivers/thermal/mediatek/Kconfig +++ b/drivers/thermal/mediatek/Kconfig @@ -47,4 +47,16 @@ config LVTS_MT8192 configures LVTS thermal controllers to collect temperatures via ASIF. +config LVTS_MT8195 + tristate "LVTS driver for MediaTek MT8195 SoC" + depends on HAS_IOMEM + depends on NVMEM + depends on RESET_TI_SYSCON + depends on MTK_SOC_THERMAL_LVTS + help + Enable this option if you want to get SoC temperature + information for MT8195. This driver + configures LVTS thermal controllers to collect temperatures + via ASIF. + endif diff --git a/drivers/thermal/mediatek/Makefile b/drivers/thermal/mediatek/Makefile index 5ff1197e80ab..dada1bf13110 100644 --- a/drivers/thermal/mediatek/Makefile +++ b/drivers/thermal/mediatek/Makefile @@ -1,3 +1,4 @@ obj-$(CONFIG_MTK_SOC_THERMAL) += soc_temp.o obj-$(CONFIG_MTK_SOC_THERMAL_LVTS) += soc_temp_lvts.o obj-$(CONFIG_LVTS_MT8192) += lvts_mt8192.o +obj-$(CONFIG_LVTS_MT8195) += lvts_mt8195.o diff --git a/drivers/thermal/mediatek/lvts_mt8195.c b/drivers/thermal/mediatek/lvts_mt8195.c new file mode 100644 index 000000000000..df69e2e79115 --- /dev/null +++ b/drivers/thermal/mediatek/lvts_mt8195.c @@ -0,0 +1,253 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Copyright (c) 2022 MediaTek Inc. + */ + +#include <linux/of_irq.h> +#include <linux/platform_device.h> +#include "soc_temp_lvts.h" + +enum mt8195_lvts_mcu_sensor_enum { + MT8195_TS1_0, // cpu_big1 + MT8195_TS1_1, // cpu_big2 + MT8195_TS2_0, // cpu_big3 + MT8195_TS2_1, // cpu_big4 + MT8195_TS3_0, // cpu_little1 + MT8195_TS3_1, // cpu_little2 + MT8195_TS3_2, // cpu_little3 + MT8195_TS3_3, // cpu_little4 + MT8195_NUM_TS_MCU +}; + +enum mt8195_lvts_ap_sensor_enum { + MT8195_TS4_0, // vpu1 + MT8195_TS4_1, // vpu2 + MT8195_TS5_0, // gpu1 + MT8195_TS5_1, // gpu2 + MT8195_TS6_0, // vdec + MT8195_TS6_1, // img + MT8195_TS6_2, // infra + MT8195_TS7_0, // cam1 + MT8195_TS7_1, // cam2 + MT8195_NUM_TS_AP +}; + +static void mt8195_mcu_efuse_to_cal_data(struct lvts_data *lvts_data) +{ + struct lvts_sensor_cal_data *cal_data = &lvts_data->cal_data; + + cal_data->golden_temp = GET_CAL_DATA_BITMASK(0, lvts_data, 31, 24); + + cal_data->count_r[MT8195_TS1_0] = GET_CAL_DATA_BITMASK(1, lvts_data, 23, 0); + cal_data->count_r[MT8195_TS1_1] = (GET_CAL_DATA_BITMASK(2, lvts_data, 15, 0) << 8) + + GET_CAL_DATA_BITMASK(1, lvts_data, 31, 24); + cal_data->count_r[MT8195_TS2_0] = GET_CAL_DATA_BITMASK(3, lvts_data, 31, 8); + cal_data->count_r[MT8195_TS2_1] = GET_CAL_DATA_BITMASK(4, lvts_data, 23, 0); + cal_data->count_r[MT8195_TS3_0] = (GET_CAL_DATA_BITMASK(6, lvts_data, 7, 0) << 16) + + GET_CAL_DATA_BITMASK(5, lvts_data, 31, 16); + cal_data->count_r[MT8195_TS3_1] = GET_CAL_DATA_BITMASK(6, lvts_data, 31, 8); + cal_data->count_r[MT8195_TS3_2] = GET_CAL_DATA_BITMASK(7, lvts_data, 23, 0); + cal_data->count_r[MT8195_TS3_3] = (GET_CAL_DATA_BITMASK(8, lvts_data, 15, 0) << 8) + + GET_CAL_DATA_BITMASK(7, lvts_data, 31, 24); + + cal_data->count_rc[MT8195_TS1_0] = (GET_CAL_DATA_BITMASK(3, lvts_data, 7, 0) << 16) + + GET_CAL_DATA_BITMASK(2, lvts_data, 31, 16); + cal_data->count_rc[MT8195_TS2_0] = (GET_CAL_DATA_BITMASK(5, lvts_data, 15, 0) << 8) + + GET_CAL_DATA_BITMASK(4, lvts_data, 31, 24); + cal_data->count_rc[MT8195_TS3_0] = (GET_CAL_DATA_BITMASK(9, lvts_data, 7, 0) << 16) + + GET_CAL_DATA_BITMASK(8, lvts_data, 31, 16); +} + +static void mt8195_ap_efuse_to_cal_data(struct lvts_data *lvts_data) +{ + struct lvts_sensor_cal_data *cal_data = &lvts_data->cal_data; + + cal_data->golden_temp = GET_CAL_DATA_BITMASK(0, lvts_data, 31, 24); + + cal_data->count_r[MT8195_TS4_0] = GET_CAL_DATA_BITMASK(9, lvts_data, 31, 8); + cal_data->count_r[MT8195_TS4_1] = GET_CAL_DATA_BITMASK(10, lvts_data, 23, 0); + cal_data->count_r[MT8195_TS5_0] = (GET_CAL_DATA_BITMASK(12, lvts_data, 7, 0) << 16) + + GET_CAL_DATA_BITMASK(11, lvts_data, 31, 16); + cal_data->count_r[MT8195_TS5_1] = GET_CAL_DATA_BITMASK(12, lvts_data, 31, 8); + cal_data->count_r[MT8195_TS6_0] = (GET_CAL_DATA_BITMASK(14, lvts_data, 15, 0) << 8) + + GET_CAL_DATA_BITMASK(13, lvts_data, 31, 24); + cal_data->count_r[MT8195_TS6_1] = (GET_CAL_DATA_BITMASK(15, lvts_data, 7, 0) << 16) + + GET_CAL_DATA_BITMASK(14, lvts_data, 31, 16); + cal_data->count_r[MT8195_TS6_2] = GET_CAL_DATA_BITMASK(15, lvts_data, 31, 8); + cal_data->count_r[MT8195_TS7_0] = (GET_CAL_DATA_BITMASK(17, lvts_data, 15, 0) << 8) + + GET_CAL_DATA_BITMASK(16, lvts_data, 31, 24); + cal_data->count_r[MT8195_TS7_1] = (GET_CAL_DATA_BITMASK(18, lvts_data, 7, 0) << 16) + + GET_CAL_DATA_BITMASK(17, lvts_data, 31, 16); + + cal_data->count_rc[MT8195_TS4_0] = (GET_CAL_DATA_BITMASK(11, lvts_data, 15, 0) << 8) + + GET_CAL_DATA_BITMASK(10, lvts_data, 31, 24); + cal_data->count_rc[MT8195_TS5_0] = GET_CAL_DATA_BITMASK(13, lvts_data, 23, 0); + cal_data->count_rc[MT8195_TS6_0] = GET_CAL_DATA_BITMASK(16, lvts_data, 23, 0); + cal_data->count_rc[MT8195_TS7_0] = GET_CAL_DATA_BITMASK(18, lvts_data, 31, 8); +} + +static struct lvts_speed_settings tc_speed_mt8195 = { + .period_unit = PERIOD_UNIT, + .group_interval_delay = GROUP_INTERVAL_DELAY, + .filter_interval_delay = FILTER_INTERVAL_DELAY, + .sensor_interval_delay = SENSOR_INTERVAL_DELAY, +}; + +static const struct lvts_tc_settings mt8195_tc_mcu_settings[] = { + [0] = { + .dev_id = 0x81, + .addr_offset = 0x0, + .num_sensor = 2, + .sensor_map = {MT8195_TS1_0, MT8195_TS1_1}, + .tc_speed = &tc_speed_mt8195, + .hw_filter = LVTS_FILTER_2_OF_4, + .dominator_sensing_point = SENSING_POINT1, + .hw_reboot_trip_point = HW_REBOOT_TRIP_POINT, + .irq_bit = BIT(3), + }, + [1] = { + .dev_id = 0x82, + .addr_offset = 0x100, + .num_sensor = 2, + .sensor_map = {MT8195_TS2_0, MT8195_TS2_1}, + .tc_speed = &tc_speed_mt8195, + .hw_filter = LVTS_FILTER_2_OF_4, + .dominator_sensing_point = SENSING_POINT0, + .hw_reboot_trip_point = HW_REBOOT_TRIP_POINT, + .irq_bit = BIT(4), + }, + [2] = { + .dev_id = 0x83, + .addr_offset = 0x200, + .num_sensor = 4, + .sensor_map = {MT8195_TS3_0, MT8195_TS3_1, MT8195_TS3_2, MT8195_TS3_3}, + .tc_speed = &tc_speed_mt8195, + .hw_filter = LVTS_FILTER_2_OF_4, + .dominator_sensing_point = SENSING_POINT0, + .hw_reboot_trip_point = HW_REBOOT_TRIP_POINT, + .irq_bit = BIT(5), + } +}; + +static const struct lvts_tc_settings mt8195_tc_ap_settings[] = { + [0] = { + .dev_id = 0x84, + .addr_offset = 0x0, + .num_sensor = 2, + .sensor_map = {MT8195_TS4_0, MT8195_TS4_1}, + .tc_speed = &tc_speed_mt8195, + .hw_filter = LVTS_FILTER_2_OF_4, + .dominator_sensing_point = SENSING_POINT0, + .hw_reboot_trip_point = HW_REBOOT_TRIP_POINT, + .irq_bit = BIT(3), + }, + [1] = { + .dev_id = 0x85, + .addr_offset = 0x100, + .num_sensor = 2, + .sensor_map = {MT8195_TS5_0, MT8195_TS5_1}, + .tc_speed = &tc_speed_mt8195, + .hw_filter = LVTS_FILTER_2_OF_4, + .dominator_sensing_point = SENSING_POINT1, + .hw_reboot_trip_point = HW_REBOOT_TRIP_POINT, + .irq_bit = BIT(4), + }, + [2] = { + .dev_id = 0x86, + .addr_offset = 0x200, + .num_sensor = 3, + .sensor_map = {MT8195_TS6_0, MT8195_TS6_1, MT8195_TS6_2}, + .tc_speed = &tc_speed_mt8195, + .hw_filter = LVTS_FILTER_2_OF_4, + .dominator_sensing_point = SENSING_POINT1, + .hw_reboot_trip_point = HW_REBOOT_TRIP_POINT, + .irq_bit = BIT(5), + }, + [3] = { + .dev_id = 0x87, + .addr_offset = 0x300, + .num_sensor = 2, + .sensor_map = {MT8195_TS7_0, MT8195_TS7_1}, + .tc_speed = &tc_speed_mt8195, + .hw_filter = LVTS_FILTER_2_OF_4, + .dominator_sensing_point = SENSING_POINT0, + .hw_reboot_trip_point = HW_REBOOT_TRIP_POINT, + .irq_bit = BIT(6), + } +}; + +static const struct lvts_data mt8195_lvts_mcu_data = { + .num_tc = (ARRAY_SIZE(mt8195_tc_mcu_settings)), + .tc = mt8195_tc_mcu_settings, + .num_sensor = MT8195_NUM_TS_MCU, + .ops = { + .efuse_to_cal_data = mt8195_mcu_efuse_to_cal_data, + .device_enable_and_init = lvts_device_enable_and_init_v4, + .device_enable_auto_rck = lvts_device_enable_auto_rck_v4, + .device_read_count_rc_n = lvts_device_read_count_rc_n_v4, + .set_cal_data = lvts_set_calibration_data_v4, + .init_controller = lvts_init_controller_v4, + }, + .feature_bitmap = FEATURE_DEVICE_AUTO_RCK, + .num_efuse_addr = NUM_EFUSE_ADDR, + .num_efuse_block = NUM_EFUSE_BLOCK_MT8195, + .cal_data = { + .default_golden_temp = DEFAULT_GOLDEN_TEMP, + .default_count_r = DEFAULT_CUONT_R, + .default_count_rc = DEFAULT_CUONT_RC, + }, + .coeff = { + .a = COEFF_A, + .b = COEFF_B, + }, +}; + +static const struct lvts_data mt8195_lvts_ap_data = { + .num_tc = (ARRAY_SIZE(mt8195_tc_ap_settings)), + .tc = mt8195_tc_ap_settings, + .num_sensor = MT8195_NUM_TS_AP, + .ops = { + .efuse_to_cal_data = mt8195_ap_efuse_to_cal_data, + .device_enable_and_init = lvts_device_enable_and_init_v4, + .device_enable_auto_rck = lvts_device_enable_auto_rck_v4, + .device_read_count_rc_n = lvts_device_read_count_rc_n_v4, + .set_cal_data = lvts_set_calibration_data_v4, + .init_controller = lvts_init_controller_v4, + }, + .feature_bitmap = FEATURE_DEVICE_AUTO_RCK, + .num_efuse_addr = NUM_EFUSE_ADDR, + .num_efuse_block = NUM_EFUSE_BLOCK_MT8195, + .cal_data = { + .default_golden_temp = DEFAULT_GOLDEN_TEMP, + .default_count_r = DEFAULT_CUONT_R, + .default_count_rc = DEFAULT_CUONT_RC, + }, + .coeff = { + .a = COEFF_A, + .b = COEFF_B, + }, +}; + +static const struct of_device_id lvts_of_match[] = { + { .compatible = "mediatek,mt8195-lvts-mcu", .data = &mt8195_lvts_mcu_data, }, + { .compatible = "mediatek,mt8195-lvts-ap", .data = &mt8195_lvts_ap_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-mt8195", + .of_match_table = lvts_of_match, + }, +}; +module_platform_driver(soc_temp_lvts); + +MODULE_AUTHOR("Yu-Chia Chang <ethan.chang@mediatek.com>"); +MODULE_AUTHOR("Michael Kao <michael.kao@mediatek.com>"); +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 index 6f8b6e3af98c..c4acb7e26e5e 100644 --- a/drivers/thermal/mediatek/soc_temp_lvts.h +++ b/drivers/thermal/mediatek/soc_temp_lvts.h @@ -16,6 +16,7 @@ #define FEATURE_DEVICE_AUTO_RCK BIT(0) #define NUM_EFUSE_ADDR 22 #define NUM_EFUSE_BLOCK_MT8192 1 +#define NUM_EFUSE_BLOCK_MT8195 2 #define DEFAULT_GOLDEN_TEMP 50 #define DEFAULT_CUONT_R 35000 #define DEFAULT_CUONT_RC 2750

[v8,4/6] thermal: mediatek: Add thermal zone settings for mt8195

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