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drivers: sensor: temperature: Add i.MX RT die temperature sensor
Added driver for i.MX RT118X die temperature sensor Signed-off-by: Anders Bjørn Nedergaard <abn@polytech.com>
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‎drivers/sensor/nxp/CMakeLists.txt

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@@ -7,6 +7,7 @@ add_subdirectory_ifdef(CONFIG_FXLS8974 fxls8974)
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add_subdirectory_ifdef(CONFIG_FXOS8700 fxos8700)
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add_subdirectory_ifdef(CONFIG_MCUX_LPCMP mcux_lpcmp)
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add_subdirectory_ifdef(CONFIG_NXP_TEMPMON nxp_tempmon)
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add_subdirectory_ifdef(CONFIG_NXP_TMPSNS nxp_tmpsns)
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add_subdirectory_ifdef(CONFIG_P3T1755 p3t1755)
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add_subdirectory_ifdef(CONFIG_QDEC_MCUX qdec_mcux)
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add_subdirectory_ifdef(CONFIG_QDEC_NXP_S32 qdec_nxp_s32)

‎drivers/sensor/nxp/Kconfig

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@@ -9,6 +9,7 @@ source "drivers/sensor/nxp/mcux_acmp/Kconfig"
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source "drivers/sensor/nxp/mcux_lpcmp/Kconfig"
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source "drivers/sensor/nxp/nxp_kinetis_temp/Kconfig"
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source "drivers/sensor/nxp/nxp_tempmon/Kconfig"
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source "drivers/sensor/nxp/nxp_tmpsns/Kconfig"
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source "drivers/sensor/nxp/p3t1755/Kconfig"
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source "drivers/sensor/nxp/qdec_mcux/Kconfig"
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source "drivers/sensor/nxp/qdec_nxp_s32/Kconfig"

‎drivers/sensor/nxp/nxp_tmpsns/CMakeLists.txt

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# Copyright (c) 2025 Polytech A/S
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# SPDX-License-Identifier: Apache-2.0
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zephyr_library()
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zephyr_library_sources(nxp_tmpsns.c)

‎drivers/sensor/nxp/nxp_tmpsns/Kconfig

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# NXP i.MX RT temperature sensor configuration options
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# Copyright (c) 2025 Polytech A/S
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# SPDX-License-Identifier: Apache-2.0
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config NXP_TMPSNS
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bool "NXP TMPSNS sensor"
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depends on SENSOR
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depends on DT_HAS_NXP_TMPSNS_ENABLED
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select FPU
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default y
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help
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Enable temperature measurement for NXP TMPSNS sensor

‎drivers/sensor/nxp/nxp_tmpsns/nxp_tmpsns.c

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/*
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* Copyright (c) 2025 Polytech A/S
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#define DT_DRV_COMPAT nxp_tmpsns
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#include <fsl_tempsensor.h>
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#include <zephyr/drivers/sensor.h>
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struct nxp_tmpsns_config {
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TMPSNS_Type *base;
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};
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struct nxp_tmpsns_data {
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float die_temp;
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};
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static int nxp_tmpsns_channel_get(const struct device *dev, enum sensor_channel chan,
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struct sensor_value *val)
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{
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const struct nxp_tmpsns_data *data = dev->data;
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if (chan == SENSOR_CHAN_DIE_TEMP) {
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return sensor_value_from_float(val, data->die_temp);
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}
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return -ENOTSUP;
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}
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static int nxp_tmpsns_channel_fetch(const struct device *dev, enum sensor_channel chan)
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{
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const struct nxp_tmpsns_config *cfg = dev->config;
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struct nxp_tmpsns_data *data = dev->data;
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switch (chan) {
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case SENSOR_CHAN_ALL:
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case SENSOR_CHAN_DIE_TEMP:
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data->die_temp = TMPSNS_GetCurrentTemperature(cfg->base);
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return 0;
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default:
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return -ENOTSUP;
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}
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}
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static DEVICE_API(sensor, tmpsns_driver_api) = {
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.channel_get = nxp_tmpsns_channel_get,
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.sample_fetch = nxp_tmpsns_channel_fetch,
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};
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static int nxp_tmpsns_init(const struct device *dev)
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{
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tmpsns_config_t config;
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const struct nxp_tmpsns_config *cfg = dev->config;
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TMPSNS_GetDefaultConfig(&config);
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config.measureMode = kTEMPSENSOR_ContinuousMode;
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config.frequency = 0x03U;
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TMPSNS_Init(cfg->base, &config);
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TMPSNS_StartMeasure(cfg->base);
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return 0;
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}
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#define NXP_TMPSNS_DEFINE(inst) \
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static struct nxp_tmpsns_config nxp_tmpsns_config_##inst = { \
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.base = (TMPSNS_Type *)DT_INST_REG_ADDR(inst)}; \
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struct nxp_tmpsns_data nxp_tmpsns_data_##inst; \
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SENSOR_DEVICE_DT_INST_DEFINE(inst, nxp_tmpsns_init, NULL, &nxp_tmpsns_data_##inst, \
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&nxp_tmpsns_config_##inst, POST_KERNEL, \
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CONFIG_SENSOR_INIT_PRIORITY, &tmpsns_driver_api);
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DT_INST_FOREACH_STATUS_OKAY(NXP_TMPSNS_DEFINE)

‎dts/arm/nxp/nxp_rt118x.dtsi

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reg = <0x2cb0000 0x1000>;
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status = "disabled";
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};
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temp: temp@4484580 {
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reg = <0x4484580 0x24>;
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interrupts = <83 0>;
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compatible = "nxp,tmpsns";
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status = "disabled";
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};
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};
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&flexspi {

‎modules/hal_nxp/mcux/mcux-sdk-ng/drivers/drivers.cmake

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@@ -144,6 +144,7 @@ set_variable_ifdef(CONFIG_MIPI_DBI_NXP_FLEXIO_LCDIF CONFIG_MCUX_COMPONENT_driver
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set_variable_ifdef(CONFIG_VIDEO_MCUX_MIPI_CSI2RX CONFIG_MCUX_COMPONENT_driver.mipi_csi2rx)
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set_variable_ifdef(CONFIG_ETH_NXP_IMX_NETC CONFIG_MCUX_COMPONENT_driver.netc)
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set_variable_ifdef(CONFIG_ETH_NXP_IMX_NETC CONFIG_MCUX_COMPONENT_driver.netc_switch)
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set_variable_ifdef(CONFIG_NXP_TMPSNS CONFIG_MCUX_COMPONENT_driver.tempsensor)
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set_variable_ifdef(CONFIG_SOC_SERIES_IMXRT10XX CONFIG_MCUX_COMPONENT_driver.ocotp)
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set_variable_ifdef(CONFIG_SOC_SERIES_IMXRT11XX CONFIG_MCUX_COMPONENT_driver.ocotp)

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