diff options
author | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2025-09-26 22:01:13 +0200 |
---|---|---|
committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2025-09-26 22:01:13 +0200 |
commit | acbba7f0e5ec9736813dee221cc20f77a7d11d7b (patch) | |
tree | 4c68d48cd4b3aebff7825083fd48fef9ca85f3b7 | |
parent | b1793cd1fefaa372f838aa43cf6c404ad49e2968 (diff) | |
parent | 79428e60897916401c9ed326f6ada4d7c7c997a3 (diff) |
Merge tag 'thermal-v6.18-rc1' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/thermal/linux
Merge updates of thermal drivers for 6.18-rc1 from Daniel Lezcano:
"- Add the QCS615 compatible DT bindings for QCom platforms (Gaurav
Kohli)
- Support fallback trimming values when the fuse is empty in the R-Car
driver (Marek Vasut)
- Remove unneeded semicolon in the Mediatek LVTS driver (Jiapeng
Chong)
- Fix the LMH Kconfig option by selecting QCOM_SCM and take the
opportunity to add the COMPILE_TEST option for the QCom's LMH
feature (Dmitry Baryshkov)
- Fix the missing includes and incorrect error message in the Qcom's
LMH driver (Dmitry Baryshkov)
- Fix comment typo and add the documentation in the Kconfig for the
R-Car Gen3 and Gen4 (Marek Vasut)
- Add Tegra114 SOCTHERM support (Svyatoslav Ryhel)
- Rename the functions name in the driver to be consistent and generic
with the different R-Car platform variants (Wolfram Sang)
- Register the TI K3 J72xx bandgap sensor as a hwmon sensor too
(Michael Walle)
- Add and document the thermal sensor unit reporting the junction
temperature of the RZ/G3S SoC (Claudiu Beznea)
- Support the GRF in the Rockchip driver (Sebastian Reichel)
- Add a temperature IIO sensor channel in the generic thermal ADC
driver (Svyatoslav Ryhel)
- Document the temperature sensor on the QCOM's Glymur platform (Manaf
Meethalavalappu)
- Add and document the thermal sensor unit reporting the junction
temperature of the RZ/G3E SoC (John Madieu)"
* tag 'thermal-v6.18-rc1' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/thermal/linux: (24 commits)
dt-bindings: thermal: qcom-tsens: Document the Glymur temperature Sensor
thermal/drivers/renesas/rzg3e: Add thermal driver for the Renesas RZ/G3E SoC
dt-bindings: thermal: r9a09g047-tsu: Document the TSU unit
thermal/drivers/thermal-generic-adc: Add temperature sensor channel
dt-bindings: thermal: rockchip: Tighten grf requirements
thermal/drivers/rockchip: Shut up GRF warning
thermal/drivers/rockchip: Unify struct rockchip_tsadc_chip format
thermal/drivers/renesas/rzg3s: Add thermal driver for the Renesas RZ/G3S SoC
dt-bindings: thermal: r9a08g045-tsu: Document the TSU unit
thermal/drivers/k3_j72xx_bandgap: Register sensors with hwmon
thermal/drivers/rcar_gen3: Fix mapping SoCs to generic Gen4 entry
thermal/drivers/tegra: Add Tegra114 specific SOCTHERM driver
dt-bindings: thermal: add Tegra114 soctherm header
thermal/drivers/tegra/soctherm-fuse: Prepare calibration for Tegra114 support
dt-bindings: thermal: Document Tegra114 SOCTHERM Thermal Management System
thermal/drivers/rcar_gen3: Document Gen4 support in Kconfig entry
thermal/drivers/rcar_gen3: Fix comment typo
drivers/thermal/qcom/lmh: Fix incorrect error message
thermal/drivers/qcom/lmh: Add missing IRQ includes
thermal/drivers/qcom: Make LMH select QCOM_SCM
...
25 files changed, 911 insertions, 62 deletions
diff --git a/Documentation/devicetree/bindings/thermal/nvidia,tegra124-soctherm.yaml b/Documentation/devicetree/bindings/thermal/nvidia,tegra124-soctherm.yaml index cf47a1f3b384..25efedced584 100644 --- a/Documentation/devicetree/bindings/thermal/nvidia,tegra124-soctherm.yaml +++ b/Documentation/devicetree/bindings/thermal/nvidia,tegra124-soctherm.yaml @@ -18,6 +18,7 @@ description: The SOCTHERM IP block contains thermal sensors, support for properties: compatible: enum: + - nvidia,tegra114-soctherm - nvidia,tegra124-soctherm - nvidia,tegra132-soctherm - nvidia,tegra210-soctherm @@ -206,6 +207,7 @@ allOf: compatible: contains: enum: + - nvidia,tegra114-soctherm - nvidia,tegra124-soctherm - nvidia,tegra210-soctherm - nvidia,tegra210b01-soctherm diff --git a/Documentation/devicetree/bindings/thermal/qcom-tsens.yaml b/Documentation/devicetree/bindings/thermal/qcom-tsens.yaml index 94311ebd7652..78e2f6573b96 100644 --- a/Documentation/devicetree/bindings/thermal/qcom-tsens.yaml +++ b/Documentation/devicetree/bindings/thermal/qcom-tsens.yaml @@ -49,11 +49,13 @@ properties: - description: v2 of TSENS items: - enum: + - qcom,glymur-tsens - qcom,milos-tsens - qcom,msm8953-tsens - qcom,msm8996-tsens - qcom,msm8998-tsens - qcom,qcm2290-tsens + - qcom,qcs615-tsens - qcom,sa8255p-tsens - qcom,sa8775p-tsens - qcom,sar2130p-tsens diff --git a/Documentation/devicetree/bindings/thermal/renesas,r9a08g045-tsu.yaml b/Documentation/devicetree/bindings/thermal/renesas,r9a08g045-tsu.yaml new file mode 100644 index 000000000000..573e2b9d3752 --- /dev/null +++ b/Documentation/devicetree/bindings/thermal/renesas,r9a08g045-tsu.yaml @@ -0,0 +1,93 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/thermal/renesas,r9a08g045-tsu.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Renesas RZ/G3S Thermal Sensor Unit + +description: + The thermal sensor unit (TSU) measures the temperature(Tj) inside + the LSI. + +maintainers: + - Claudiu Beznea <claudiu.beznea.uj@bp.renesas.com> + +$ref: thermal-sensor.yaml# + +properties: + compatible: + const: renesas,r9a08g045-tsu + + reg: + maxItems: 1 + + clocks: + items: + - description: TSU module clock + + power-domains: + maxItems: 1 + + resets: + items: + - description: TSU module reset + + io-channels: + items: + - description: ADC channel which reports the TSU temperature + + io-channel-names: + items: + - const: tsu + + "#thermal-sensor-cells": + const: 0 + +required: + - compatible + - reg + - clocks + - power-domains + - resets + - io-channels + - io-channel-names + - '#thermal-sensor-cells' + +additionalProperties: false + +examples: + - | + #include <dt-bindings/clock/r9a08g045-cpg.h> + + tsu: thermal@10059000 { + compatible = "renesas,r9a08g045-tsu"; + reg = <0x10059000 0x1000>; + clocks = <&cpg CPG_MOD R9A08G045_TSU_PCLK>; + resets = <&cpg R9A08G045_TSU_PRESETN>; + power-domains = <&cpg>; + #thermal-sensor-cells = <0>; + io-channels = <&adc 8>; + io-channel-names = "tsu"; + }; + + thermal-zones { + cpu-thermal { + polling-delay-passive = <250>; + polling-delay = <1000>; + thermal-sensors = <&tsu>; + + trips { + sensor_crit: sensor-crit { + temperature = <125000>; + hysteresis = <1000>; + type = "critical"; + }; + target: trip-point { + temperature = <100000>; + hysteresis = <1000>; + type = "passive"; + }; + }; + }; + }; diff --git a/Documentation/devicetree/bindings/thermal/renesas,r9a09g047-tsu.yaml b/Documentation/devicetree/bindings/thermal/renesas,r9a09g047-tsu.yaml new file mode 100644 index 000000000000..8d3f3c24f0f2 --- /dev/null +++ b/Documentation/devicetree/bindings/thermal/renesas,r9a09g047-tsu.yaml @@ -0,0 +1,87 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/thermal/renesas,r9a09g047-tsu.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Renesas RZ/G3E Temperature Sensor Unit (TSU) + +maintainers: + - John Madieu <john.madieu.xa@bp.renesas.com> + +description: + The Temperature Sensor Unit (TSU) is an integrated thermal sensor that + monitors the chip temperature on the Renesas RZ/G3E SoC. The TSU provides + real-time temperature measurements for thermal management. + +properties: + compatible: + const: renesas,r9a09g047-tsu + + reg: + maxItems: 1 + + clocks: + maxItems: 1 + + resets: + maxItems: 1 + + power-domains: + maxItems: 1 + + interrupts: + items: + - description: Conversion complete interrupt signal (pulse) + - description: Comparison result interrupt signal (level) + + interrupt-names: + items: + - const: adi + - const: adcmpi + + "#thermal-sensor-cells": + const: 0 + + renesas,tsu-trim: + $ref: /schemas/types.yaml#/definitions/phandle-array + items: + - items: + - description: phandle to system controller + - description: offset of trim registers + description: + Phandle and offset to the system controller containing the TSU + calibration trim values. The offset points to the first trim register + (OTPTSU1TRMVAL0), with the second trim register (OTPTSU1TRMVAL1) located + at offset + 4. + +required: + - compatible + - reg + - clocks + - resets + - power-domains + - interrupts + - interrupt-names + - "#thermal-sensor-cells" + - renesas,tsu-trim + +additionalProperties: false + +examples: + - | + #include <dt-bindings/clock/renesas,r9a09g047-cpg.h> + #include <dt-bindings/interrupt-controller/arm-gic.h> + + thermal-sensor@14002000 { + compatible = "renesas,r9a09g047-tsu"; + reg = <0x14002000 0x1000>; + clocks = <&cpg CPG_MOD 0x10a>; + resets = <&cpg 0xf8>; + power-domains = <&cpg>; + interrupts = <GIC_SPI 250 IRQ_TYPE_EDGE_RISING>, + <GIC_SPI 251 IRQ_TYPE_LEVEL_HIGH>; + interrupt-names = "adi", "adcmpi"; + #thermal-sensor-cells = <0>; + renesas,tsu-trim = <&sys 0x330>; + }; diff --git a/Documentation/devicetree/bindings/thermal/rockchip-thermal.yaml b/Documentation/devicetree/bindings/thermal/rockchip-thermal.yaml index 573f447cc26e..9fa5c4c49d76 100644 --- a/Documentation/devicetree/bindings/thermal/rockchip-thermal.yaml +++ b/Documentation/devicetree/bindings/thermal/rockchip-thermal.yaml @@ -120,6 +120,21 @@ required: allOf: - if: + properties: + compatible: + contains: + enum: + - rockchip,px30-tsadc + - rockchip,rk3366-tsadc + - rockchip,rk3399-tsadc + - rockchip,rk3568-tsadc + then: + required: + - rockchip,grf + else: + properties: + rockchip,grf: false + - if: not: properties: compatible: diff --git a/MAINTAINERS b/MAINTAINERS index 6dcfbd11efef..3423a44662f2 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -21568,6 +21568,20 @@ S: Maintained F: Documentation/devicetree/bindings/iio/potentiometer/renesas,x9250.yaml F: drivers/iio/potentiometer/x9250.c +RENESAS RZ/G3S THERMAL SENSOR UNIT DRIVER +M: Claudiu Beznea <claudiu.beznea.uj@bp.renesas.com> +L: linux-pm@vger.kernel.org +S: Maintained +F: Documentation/devicetree/bindings/thermal/renesas,r9a08g045-tsu.yaml +F: drivers/thermal/renesas/rzg3s_thermal.c + +RENESAS RZ/G3E THERMAL SENSOR UNIT DRIVER +M: John Madieu <john.madieu.xa@bp.renesas.com> +L: linux-pm@vger.kernel.org +S: Maintained +F: Documentation/devicetree/bindings/thermal/renesas,r9a09g047-tsu.yaml +F: drivers/thermal/renesas/rzg3e_thermal.c + RESET CONTROLLER FRAMEWORK M: Philipp Zabel <p.zabel@pengutronix.de> S: Maintained diff --git a/drivers/thermal/k3_j72xx_bandgap.c b/drivers/thermal/k3_j72xx_bandgap.c index a36289e61315..d9ec3bf19496 100644 --- a/drivers/thermal/k3_j72xx_bandgap.c +++ b/drivers/thermal/k3_j72xx_bandgap.c @@ -20,6 +20,8 @@ #include <linux/delay.h> #include <linux/slab.h> +#include "thermal_hwmon.h" + #define K3_VTM_DEVINFO_PWR0_OFFSET 0x4 #define K3_VTM_DEVINFO_PWR0_TEMPSENS_CT_MASK 0xf0 #define K3_VTM_TMPSENS0_CTRL_OFFSET 0x300 @@ -513,6 +515,8 @@ static int k3_j72xx_bandgap_probe(struct platform_device *pdev) ret = PTR_ERR(ti_thermal); goto err_free_ref_table; } + + devm_thermal_add_hwmon_sysfs(bgp->dev, ti_thermal); } platform_set_drvdata(pdev, bgp); diff --git a/drivers/thermal/mediatek/lvts_thermal.c b/drivers/thermal/mediatek/lvts_thermal.c index f4d1e66d7db9..ab55b20cda47 100644 --- a/drivers/thermal/mediatek/lvts_thermal.c +++ b/drivers/thermal/mediatek/lvts_thermal.c @@ -639,7 +639,7 @@ static int lvts_sensor_init(struct device *dev, struct lvts_ctrl *lvts_ctrl, lvts_sensor[i].low_thresh = INT_MIN; lvts_sensor[i].high_thresh = INT_MIN; - }; + } lvts_ctrl->valid_sensor_mask = lvts_ctrl_data->valid_sensor_mask; diff --git a/drivers/thermal/qcom/Kconfig b/drivers/thermal/qcom/Kconfig index 2c7f3f9a26eb..a6bb01082ec6 100644 --- a/drivers/thermal/qcom/Kconfig +++ b/drivers/thermal/qcom/Kconfig @@ -34,7 +34,8 @@ config QCOM_SPMI_TEMP_ALARM config QCOM_LMH tristate "Qualcomm Limits Management Hardware" - depends on ARCH_QCOM && QCOM_SCM + depends on ARCH_QCOM || COMPILE_TEST + select QCOM_SCM help This enables initialization of Qualcomm limits management hardware(LMh). LMh allows for hardware-enforced mitigation for cpus based on diff --git a/drivers/thermal/qcom/lmh.c b/drivers/thermal/qcom/lmh.c index 75eaa9a68ab8..ddadcfada513 100644 --- a/drivers/thermal/qcom/lmh.c +++ b/drivers/thermal/qcom/lmh.c @@ -5,6 +5,8 @@ */ #include <linux/module.h> #include <linux/interrupt.h> +#include <linux/irq.h> +#include <linux/irqdesc.h> #include <linux/irqdomain.h> #include <linux/err.h> #include <linux/platform_device.h> @@ -204,7 +206,7 @@ static int lmh_probe(struct platform_device *pdev) ret = qcom_scm_lmh_dcvsh(LMH_SUB_FN_THERMAL, LMH_TH_LOW_THRESHOLD, temp_low, LMH_NODE_DCVS, node_id, 0); if (ret) { - dev_err(dev, "Error setting thermal ARM threshold%d\n", ret); + dev_err(dev, "Error setting thermal LOW threshold%d\n", ret); return ret; } diff --git a/drivers/thermal/renesas/Kconfig b/drivers/thermal/renesas/Kconfig index dcf5fc5ae08e..c762c1c30d5a 100644 --- a/drivers/thermal/renesas/Kconfig +++ b/drivers/thermal/renesas/Kconfig @@ -10,13 +10,13 @@ config RCAR_THERMAL thermal framework. config RCAR_GEN3_THERMAL - tristate "Renesas R-Car Gen3 and RZ/G2 thermal driver" + tristate "Renesas R-Car Gen3/Gen4 and RZ/G2 thermal driver" depends on ARCH_RENESAS || COMPILE_TEST depends on HAS_IOMEM depends on OF help - Enable this to plug the R-Car Gen3 or RZ/G2 thermal sensor driver into - the Linux thermal framework. + Enable this to plug the R-Car Gen3/Gen4 or RZ/G2 thermal sensor + driver into the Linux thermal framework. config RZG2L_THERMAL tristate "Renesas RZ/G2L thermal driver" @@ -26,3 +26,18 @@ config RZG2L_THERMAL help Enable this to plug the RZ/G2L thermal sensor driver into the Linux thermal framework. + +config RZG3S_THERMAL + tristate "Renesas RZ/G3S thermal driver" + depends on ARCH_R9A08G045 || COMPILE_TEST + depends on OF && IIO && RZG2L_ADC + help + Enable this to plug the RZ/G3S thermal sensor driver into the Linux + thermal framework. + +config RZG3E_THERMAL + tristate "Renesas RZ/G3E thermal driver" + depends on ARCH_RENESAS || COMPILE_TEST + help + Enable this to plug the RZ/G3E thermal sensor driver into the Linux + thermal framework. diff --git a/drivers/thermal/renesas/Makefile b/drivers/thermal/renesas/Makefile index bf9cb3cb94d6..0ea592247572 100644 --- a/drivers/thermal/renesas/Makefile +++ b/drivers/thermal/renesas/Makefile @@ -3,3 +3,6 @@ obj-$(CONFIG_RCAR_GEN3_THERMAL) += rcar_gen3_thermal.o obj-$(CONFIG_RCAR_THERMAL) += rcar_thermal.o obj-$(CONFIG_RZG2L_THERMAL) += rzg2l_thermal.o +obj-$(CONFIG_RZG3E_THERMAL) += rzg3e_thermal.o +obj-$(CONFIG_RZG3S_THERMAL) += rzg3s_thermal.o + diff --git a/drivers/thermal/renesas/rcar_gen3_thermal.c b/drivers/thermal/renesas/rcar_gen3_thermal.c index 24a702ee4c1f..3223de238d01 100644 --- a/drivers/thermal/renesas/rcar_gen3_thermal.c +++ b/drivers/thermal/renesas/rcar_gen3_thermal.c @@ -73,11 +73,17 @@ struct rcar_gen3_thermal_fuse_info { u32 mask; }; +struct rcar_gen3_thermal_fuse_default { + u32 ptat[3]; + u32 thcodes[TSC_MAX_NUM][3]; +}; + struct rcar_thermal_info { int scale; int adj_below; int adj_above; const struct rcar_gen3_thermal_fuse_info *fuses; + const struct rcar_gen3_thermal_fuse_default *fuse_defaults; }; struct equation_set_coef { @@ -165,7 +171,7 @@ static int rcar_gen3_thermal_get_temp(struct thermal_zone_device *tz, int *temp) const struct equation_set_coef *coef; int adj, decicelsius, reg, thcode; - /* Read register and convert to mili Celsius */ + /* Read register and convert to millidegree Celsius */ reg = rcar_gen3_thermal_read(tsc, REG_GEN3_TEMP) & CTEMP_MASK; if (reg < tsc->thcode[1]) { @@ -289,6 +295,7 @@ static void rcar_gen3_thermal_fetch_fuses(struct rcar_gen3_thermal_priv *priv) static bool rcar_gen3_thermal_read_fuses(struct rcar_gen3_thermal_priv *priv) { + const struct rcar_gen3_thermal_fuse_default *fuse_defaults = priv->info->fuse_defaults; unsigned int i; u32 thscp; @@ -297,24 +304,16 @@ static bool rcar_gen3_thermal_read_fuses(struct rcar_gen3_thermal_priv *priv) if (!priv->info->fuses || (thscp & THSCP_COR_PARA_VLD) != THSCP_COR_PARA_VLD) { /* Default THCODE values in case FUSEs are not set. */ - static const int thcodes[TSC_MAX_NUM][3] = { - { 3397, 2800, 2221 }, - { 3393, 2795, 2216 }, - { 3389, 2805, 2237 }, - { 3415, 2694, 2195 }, - { 3356, 2724, 2244 }, - }; - - priv->ptat[0] = 2631; - priv->ptat[1] = 1509; - priv->ptat[2] = 435; + priv->ptat[0] = fuse_defaults->ptat[0]; + priv->ptat[1] = fuse_defaults->ptat[1]; + priv->ptat[2] = fuse_defaults->ptat[2]; for (i = 0; i < priv->num_tscs; i++) { struct rcar_gen3_thermal_tsc *tsc = priv->tscs[i]; - tsc->thcode[0] = thcodes[i][0]; - tsc->thcode[1] = thcodes[i][1]; - tsc->thcode[2] = thcodes[i][2]; + tsc->thcode[0] = fuse_defaults->thcodes[i][0]; + tsc->thcode[1] = fuse_defaults->thcodes[i][1]; + tsc->thcode[2] = fuse_defaults->thcodes[i][2]; } return false; @@ -361,11 +360,33 @@ static const struct rcar_gen3_thermal_fuse_info rcar_gen3_thermal_fuse_info_gen4 .mask = GEN4_FUSE_MASK, }; +static const struct rcar_gen3_thermal_fuse_default rcar_gen3_thermal_fuse_default_info_gen3 = { + .ptat = { 2631, 1509, 435 }, + .thcodes = { + { 3397, 2800, 2221 }, + { 3393, 2795, 2216 }, + { 3389, 2805, 2237 }, + { 3415, 2694, 2195 }, + { 3356, 2724, 2244 }, + }, +}; + +static const struct rcar_gen3_thermal_fuse_default rcar_gen3_thermal_fuse_default_info_gen4 = { + .ptat = { 3274, 2164, 985 }, + .thcodes = { /* All four THS units share the same trimming */ + { 3218, 2617, 1980 }, + { 3218, 2617, 1980 }, + { 3218, 2617, 1980 }, + { 3218, 2617, 1980 }, + } +}; + static const struct rcar_thermal_info rcar_m3w_thermal_info = { .scale = 157, .adj_below = -41, .adj_above = 116, .fuses = &rcar_gen3_thermal_fuse_info_gen3, + .fuse_defaults = &rcar_gen3_thermal_fuse_default_info_gen3, }; static const struct rcar_thermal_info rcar_gen3_thermal_info = { @@ -373,6 +394,15 @@ static const struct rcar_thermal_info rcar_gen3_thermal_info = { .adj_below = -41, .adj_above = 126, .fuses = &rcar_gen3_thermal_fuse_info_gen3, + .fuse_defaults = &rcar_gen3_thermal_fuse_default_info_gen3, +}; + +static const struct rcar_thermal_info rcar_s4_thermal_info = { + .scale = 167, + .adj_below = -41, + .adj_above = 126, + .fuses = &rcar_gen3_thermal_fuse_info_gen4, + .fuse_defaults = &rcar_gen3_thermal_fuse_default_info_gen3, }; static const struct rcar_thermal_info rcar_gen4_thermal_info = { @@ -380,6 +410,7 @@ static const struct rcar_thermal_info rcar_gen4_thermal_info = { .adj_below = -41, .adj_above = 126, .fuses = &rcar_gen3_thermal_fuse_info_gen4, + .fuse_defaults = &rcar_gen3_thermal_fuse_default_info_gen4, }; static const struct of_device_id rcar_gen3_thermal_dt_ids[] = { @@ -421,7 +452,7 @@ static const struct of_device_id rcar_gen3_thermal_dt_ids[] = { }, { .compatible = "renesas,r8a779f0-thermal", - .data = &rcar_gen4_thermal_info, + .data = &rcar_s4_thermal_info, }, { .compatible = "renesas,r8a779g0-thermal", diff --git a/drivers/thermal/renesas/rzg3s_thermal.c b/drivers/thermal/renesas/rzg3s_thermal.c new file mode 100644 index 000000000000..e25e36c99a88 --- /dev/null +++ b/drivers/thermal/renesas/rzg3s_thermal.c @@ -0,0 +1,272 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Renesas RZ/G3S TSU Thermal Sensor Driver + * + * Copyright (C) 2024 Renesas Electronics Corporation + */ + +#include <linux/bitfield.h> +#include <linux/delay.h> +#include <linux/iio/consumer.h> +#include <linux/io.h> +#include <linux/module.h> +#include <linux/platform_device.h> +#include <linux/pm_runtime.h> +#include <linux/reset.h> +#include <linux/thermal.h> +#include <linux/units.h> + +#include "../thermal_hwmon.h" + +#define TSU_SM 0x0 +#define TSU_SM_EN BIT(0) +#define TSU_SM_OE BIT(1) +#define OTPTSUTRIM_REG(n) (0x18 + (n) * 0x4) +#define OTPTSUTRIM_EN_MASK BIT(31) +#define OTPTSUTRIM_MASK GENMASK(11, 0) + +#define TSU_READ_STEPS 8 + +/* Default calibration values, if FUSE values are missing. */ +#define SW_CALIB0_VAL 1297 +#define SW_CALIB1_VAL 751 + +#define MCELSIUS(temp) ((temp) * MILLIDEGREE_PER_DEGREE) + +/** + * struct rzg3s_thermal_priv - RZ/G3S thermal private data structure + * @base: TSU base address + * @dev: device pointer + * @tz: thermal zone pointer + * @rstc: reset control + * @channel: IIO channel to read the TSU + * @mode: current device mode + * @calib0: calibration value + * @calib1: calibration value + */ +struct rzg3s_thermal_priv { + void __iomem *base; + struct device *dev; + struct thermal_zone_device *tz; + struct reset_control *rstc; + struct iio_channel *channel; + enum thermal_device_mode mode; + u16 calib0; + u16 calib1; +}; + +static int rzg3s_thermal_get_temp(struct thermal_zone_device *tz, int *temp) +{ + struct rzg3s_thermal_priv *priv = thermal_zone_device_priv(tz); + int ts_code_ave = 0; + + if (priv->mode != THERMAL_DEVICE_ENABLED) + return -EAGAIN; + + for (u8 i = 0; i < TSU_READ_STEPS; i++) { + int ret, val; + + ret = iio_read_channel_raw(priv->channel, &val); + if (ret < 0) + return ret; + + ts_code_ave += val; + /* + * According to the HW manual (Rev.1.10, section 40.4.4 Procedure for Measuring + * the Temperature) we need to wait here at leat 3us. + */ + usleep_range(5, 10); + } + + ts_code_ave = DIV_ROUND_CLOSEST(MCELSIUS(ts_code_ave), TSU_READ_STEPS); + + /* + * According to the HW manual (Rev.1.10, section 40.4.4 Procedure for Measuring the + * Temperature) the computation formula is as follows: + * + * Tj = (ts_code_ave - priv->calib1) * 165 / (priv->calib0 - priv->calib1) - 40 + * + * Convert everything to milli Celsius before applying the formula to avoid + * losing precision. + */ + + *temp = div_s64((s64)(ts_code_ave - MCELSIUS(priv->calib1)) * MCELSIUS(165), + MCELSIUS(priv->calib0 - priv->calib1)) - MCELSIUS(40); + + /* Report it in milli degrees Celsius and round it up to 0.5 degrees Celsius. */ + *temp = roundup(*temp, 500); + + return 0; +} + +static void rzg3s_thermal_set_mode(struct rzg3s_thermal_priv *priv, + enum thermal_device_mode mode) +{ + struct device *dev = priv->dev; + int ret; + + ret = pm_runtime_resume_and_get(dev); + if (ret) + return; + + if (mode == THERMAL_DEVICE_DISABLED) { + writel(0, priv->base + TSU_SM); + } else { + writel(TSU_SM_EN, priv->base + TSU_SM); + /* + * According to the HW manual (Rev.1.10, section 40.4.1 Procedure for + * Starting the TSU) we need to wait here 30us or more. + */ + usleep_range(30, 40); + + writel(TSU_SM_OE | TSU_SM_EN, priv->base + TSU_SM); + /* + * According to the HW manual (Rev.1.10, section 40.4.1 Procedure for + * Starting the TSU) we need to wait here 50us or more. + */ + usleep_range(50, 60); + } + + pm_runtime_put_autosuspend(dev); +} + +static int rzg3s_thermal_change_mode(struct thermal_zone_device *tz, + enum thermal_device_mode mode) +{ + struct rzg3s_thermal_priv *priv = thermal_zone_device_priv(tz); + + if (priv->mode == mode) + return 0; + + rzg3s_thermal_set_mode(priv, mode); + priv->mode = mode; + + return 0; +} + +static const struct thermal_zone_device_ops rzg3s_tz_of_ops = { + .get_temp = rzg3s_thermal_get_temp, + .change_mode = rzg3s_thermal_change_mode, +}; + +static int rzg3s_thermal_read_calib(struct rzg3s_thermal_priv *priv) +{ + struct device *dev = priv->dev; + u32 val; + int ret; + + ret = pm_runtime_resume_and_get(dev); + if (ret) + return ret; + + val = readl(priv->base + OTPTSUTRIM_REG(0)); + if (val & OTPTSUTRIM_EN_MASK) + priv->calib0 = FIELD_GET(OTPTSUTRIM_MASK, val); + else + priv->calib0 = SW_CALIB0_VAL; + + val = readl(priv->base + OTPTSUTRIM_REG(1)); + if (val & OTPTSUTRIM_EN_MASK) + priv->calib1 = FIELD_GET(OTPTSUTRIM_MASK, val); + else + priv->calib1 = SW_CALIB1_VAL; + + pm_runtime_put_autosuspend(dev); + + return 0; +} + +static int rzg3s_thermal_probe(struct platform_device *pdev) +{ + struct rzg3s_thermal_priv *priv; + struct device *dev = &pdev->dev; + int ret; + + priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL); + if (!priv) + return -ENOMEM; + + priv->base = devm_platform_ioremap_resource(pdev, 0); + if (IS_ERR(priv->base)) + return PTR_ERR(priv->base); + + priv->channel = devm_iio_channel_get(dev, "tsu"); + if (IS_ERR(priv->channel)) + return dev_err_probe(dev, PTR_ERR(priv->channel), "Failed to get IIO channel!\n"); + + priv->rstc = devm_reset_control_get_exclusive_deasserted(dev, NULL); + if (IS_ERR(priv->rstc)) + return dev_err_probe(dev, PTR_ERR(priv->rstc), "Failed to get reset!\n"); + + priv->dev = dev; + priv->mode = THERMAL_DEVICE_DISABLED; + platform_set_drvdata(pdev, priv); + + pm_runtime_set_autosuspend_delay(dev, 300); + pm_runtime_use_autosuspend(dev); + ret = devm_pm_runtime_enable(dev); + if (ret) + return dev_err_probe(dev, ret, "Failed to enable runtime PM!\n"); + + ret = rzg3s_thermal_read_calib(priv); + if (ret) + return dev_err_probe(dev, ret, "Failed to read calibration data!\n"); + + priv->tz = devm_thermal_of_zone_register(dev, 0, priv, &rzg3s_tz_of_ops); + if (IS_ERR(priv->tz)) + return dev_err_probe(dev, PTR_ERR(priv->tz), "Failed to register thermal zone!\n"); + + ret = devm_thermal_add_hwmon_sysfs(dev, priv->tz); + if (ret) + return dev_err_probe(dev, ret, "Failed to add hwmon sysfs!\n"); + + return 0; +} + +static int rzg3s_thermal_suspend(struct device *dev) +{ + struct rzg3s_thermal_priv *priv = dev_get_drvdata(dev); + + rzg3s_thermal_set_mode(priv, THERMAL_DEVICE_DISABLED); + + return reset_control_assert(priv->rstc); +} + +static int rzg3s_thermal_resume(struct device *dev) +{ + struct rzg3s_thermal_priv *priv = dev_get_drvdata(dev); + int ret; + + ret = reset_control_deassert(priv->rstc); + if (ret) + return ret; + + if (priv->mode != THERMAL_DEVICE_DISABLED) + rzg3s_thermal_set_mode(priv, priv->mode); + + return 0; +} + +static const struct dev_pm_ops rzg3s_thermal_pm_ops = { + SYSTEM_SLEEP_PM_OPS(rzg3s_thermal_suspend, rzg3s_thermal_resume) +}; + +static const struct of_device_id rzg3s_thermal_dt_ids[] = { + { .compatible = "renesas,r9a08g045-tsu" }, + { /* sentinel */ } +}; +MODULE_DEVICE_TABLE(of, rzg3s_thermal_dt_ids); + +static struct platform_driver rzg3s_thermal_driver = { + .driver = { + .name = "rzg3s-thermal", + .of_match_table = rzg3s_thermal_dt_ids, + .pm = pm_ptr(&rzg3s_thermal_pm_ops), + }, + .probe = rzg3s_thermal_probe, +}; +module_platform_driver(rzg3s_thermal_driver); + +MODULE_DESCRIPTION("Renesas RZ/G3S Thermal Sensor Unit Driver"); +MODULE_AUTHOR("Claudiu Beznea <claudiu.beznea.uj@bp.renesas.com>"); +MODULE_LICENSE("GPL"); diff --git a/drivers/thermal/rockchip_thermal.c b/drivers/thermal/rockchip_thermal.c index 3beff9b6fac3..c49ddf70f86e 100644 --- a/drivers/thermal/rockchip_thermal.c +++ b/drivers/thermal/rockchip_thermal.c @@ -74,6 +74,7 @@ struct chip_tsadc_table { * @tshut_temp: the hardware-controlled shutdown temperature value, with no trim * @tshut_mode: the hardware-controlled shutdown mode (0:CRU 1:GPIO) * @tshut_polarity: the hardware-controlled active polarity (0:LOW 1:HIGH) + * @grf_required: true, if a GRF is required for proper functionality * @initialize: SoC special initialize tsadc controller method * @irq_ack: clear the interrupt * @control: enable/disable method for the tsadc controller @@ -97,6 +98,9 @@ struct rockchip_tsadc_chip { enum tshut_mode tshut_mode; enum tshut_polarity tshut_polarity; + /* GRF availability */ + bool grf_required; + /* Chip-wide methods */ void (*initialize)(struct regmap *grf, void __iomem *reg, enum tshut_polarity p); @@ -1098,10 +1102,9 @@ static const struct rockchip_tsadc_chip px30_tsadc_data = { /* cpu, gpu */ .chn_offset = 0, .chn_num = 2, /* 2 channels for tsadc */ - + .grf_required = true, .tshut_mode = TSHUT_MODE_CRU, /* default TSHUT via CRU */ .tshut_temp = 95000, - .initialize = rk_tsadcv4_initialize, .irq_ack = rk_tsadcv3_irq_ack, .control = rk_tsadcv3_control, @@ -1109,7 +1112,6 @@ static const struct rockchip_tsadc_chip px30_tsadc_data = { .set_alarm_temp = rk_tsadcv2_alarm_temp, .set_tshut_temp = rk_tsadcv2_tshut_temp, .set_tshut_mode = rk_tsadcv2_tshut_mode, - .table = { .id = rk3328_code_table, .length = ARRAY_SIZE(rk3328_code_table), @@ -1122,11 +1124,10 @@ static const struct rockchip_tsadc_chip rv1108_tsadc_data = { /* cpu */ .chn_offset = 0, .chn_num = 1, /* one channel for tsadc */ - + .grf_required = false, .tshut_mode = TSHUT_MODE_GPIO, /* default TSHUT via GPIO give PMIC */ .tshut_polarity = TSHUT_LOW_ACTIVE, /* default TSHUT LOW ACTIVE */ .tshut_temp = 95000, - .initialize = rk_tsadcv2_initialize, .irq_ack = rk_tsadcv3_irq_ack, .control = rk_tsadcv3_control, @@ -1134,7 +1135,6 @@ static const struct rockchip_tsadc_chip rv1108_tsadc_data = { .set_alarm_temp = rk_tsadcv2_alarm_temp, .set_tshut_temp = rk_tsadcv2_tshut_temp, .set_tshut_mode = rk_tsadcv2_tshut_mode, - .table = { .id = rv1108_table, .length = ARRAY_SIZE(rv1108_table), @@ -1147,11 +1147,10 @@ static const struct rockchip_tsadc_chip rk3228_tsadc_data = { /* cpu */ .chn_offset = 0, .chn_num = 1, /* one channel for tsadc */ - + .grf_required = false, .tshut_mode = TSHUT_MODE_GPIO, /* default TSHUT via GPIO give PMIC */ .tshut_polarity = TSHUT_LOW_ACTIVE, /* default TSHUT LOW ACTIVE */ .tshut_temp = 95000, - .initialize = rk_tsadcv2_initialize, .irq_ack = rk_tsadcv3_irq_ack, .control = rk_tsadcv3_control, @@ -1159,7 +1158,6 @@ static const struct rockchip_tsadc_chip rk3228_tsadc_data = { .set_alarm_temp = rk_tsadcv2_alarm_temp, .set_tshut_temp = rk_tsadcv2_tshut_temp, .set_tshut_mode = rk_tsadcv2_tshut_mode, - .table = { .id = rk3228_code_table, .length = ARRAY_SIZE(rk3228_code_table), @@ -1172,11 +1170,10 @@ static const struct rockchip_tsadc_chip rk3288_tsadc_data = { /* cpu, gpu */ .chn_offset = 1, .chn_num = 2, /* two channels for tsadc */ - + .grf_required = false, .tshut_mode = TSHUT_MODE_GPIO, /* default TSHUT via GPIO give PMIC */ .tshut_polarity = TSHUT_LOW_ACTIVE, /* default TSHUT LOW ACTIVE */ .tshut_temp = 95000, - .initialize = rk_tsadcv2_initialize, .irq_ack = rk_tsadcv2_irq_ack, .control = rk_tsadcv2_control, @@ -1184,7 +1181,6 @@ static const struct rockchip_tsadc_chip rk3288_tsadc_data = { .set_alarm_temp = rk_tsadcv2_alarm_temp, .set_tshut_temp = rk_tsadcv2_tshut_temp, .set_tshut_mode = rk_tsadcv2_tshut_mode, - .table = { .id = rk3288_code_table, .length = ARRAY_SIZE(rk3288_code_table), @@ -1197,10 +1193,9 @@ static const struct rockchip_tsadc_chip rk3328_tsadc_data = { /* cpu */ .chn_offset = 0, .chn_num = 1, /* one channels for tsadc */ - + .grf_required = false, .tshut_mode = TSHUT_MODE_CRU, /* default TSHUT via CRU */ .tshut_temp = 95000, - .initialize = rk_tsadcv2_initialize, .irq_ack = rk_tsadcv3_irq_ack, .control = rk_tsadcv3_control, @@ -1208,7 +1203,6 @@ static const struct rockchip_tsadc_chip rk3328_tsadc_data = { .set_alarm_temp = rk_tsadcv2_alarm_temp, .set_tshut_temp = rk_tsadcv2_tshut_temp, .set_tshut_mode = rk_tsadcv2_tshut_mode, - .table = { .id = rk3328_code_table, .length = ARRAY_SIZE(rk3328_code_table), @@ -1221,11 +1215,10 @@ static const struct rockchip_tsadc_chip rk3366_tsadc_data = { /* cpu, gpu */ .chn_offset = 0, .chn_num = 2, /* two channels for tsadc */ - + .grf_required = true, .tshut_mode = TSHUT_MODE_GPIO, /* default TSHUT via GPIO give PMIC */ .tshut_polarity = TSHUT_LOW_ACTIVE, /* default TSHUT LOW ACTIVE */ .tshut_temp = 95000, - .initialize = rk_tsadcv3_initialize, .irq_ack = rk_tsadcv3_irq_ack, .control = rk_tsadcv3_control, @@ -1233,7 +1226,6 @@ static const struct rockchip_tsadc_chip rk3366_tsadc_data = { .set_alarm_temp = rk_tsadcv2_alarm_temp, .set_tshut_temp = rk_tsadcv2_tshut_temp, .set_tshut_mode = rk_tsadcv2_tshut_mode, - .table = { .id = rk3228_code_table, .length = ARRAY_SIZE(rk3228_code_table), @@ -1246,11 +1238,10 @@ static const struct rockchip_tsadc_chip rk3368_tsadc_data = { /* cpu, gpu */ .chn_offset = 0, .chn_num = 2, /* two channels for tsadc */ - + .grf_required = false, .tshut_mode = TSHUT_MODE_GPIO, /* default TSHUT via GPIO give PMIC */ .tshut_polarity = TSHUT_LOW_ACTIVE, /* default TSHUT LOW ACTIVE */ .tshut_temp = 95000, - .initialize = rk_tsadcv2_initialize, .irq_ack = rk_tsadcv2_irq_ack, .control = rk_tsadcv2_control, @@ -1258,7 +1249,6 @@ static const struct rockchip_tsadc_chip rk3368_tsadc_data = { .set_alarm_temp = rk_tsadcv2_alarm_temp, .set_tshut_temp = rk_tsadcv2_tshut_temp, .set_tshut_mode = rk_tsadcv2_tshut_mode, - .table = { .id = rk3368_code_table, .length = ARRAY_SIZE(rk3368_code_table), @@ -1271,11 +1261,10 @@ static const struct rockchip_tsadc_chip rk3399_tsadc_data = { /* cpu, gpu */ .chn_offset = 0, .chn_num = 2, /* two channels for tsadc */ - + .grf_required = true, .tshut_mode = TSHUT_MODE_GPIO, /* default TSHUT via GPIO give PMIC */ .tshut_polarity = TSHUT_LOW_ACTIVE, /* default TSHUT LOW ACTIVE */ .tshut_temp = 95000, - .initialize = rk_tsadcv3_initialize, .irq_ack = rk_tsadcv3_irq_ack, .control = rk_tsadcv3_control, @@ -1283,7 +1272,6 @@ static const struct rockchip_tsadc_chip rk3399_tsadc_data = { .set_alarm_temp = rk_tsadcv2_alarm_temp, .set_tshut_temp = rk_tsadcv2_tshut_temp, .set_tshut_mode = rk_tsadcv2_tshut_mode, - .table = { .id = rk3399_code_table, .length = ARRAY_SIZE(rk3399_code_table), @@ -1296,11 +1284,10 @@ static const struct rockchip_tsadc_chip rk3568_tsadc_data = { /* cpu, gpu */ .chn_offset = 0, .chn_num = 2, /* two channels for tsadc */ - + .grf_required = true, .tshut_mode = TSHUT_MODE_GPIO, /* default TSHUT via GPIO give PMIC */ .tshut_polarity = TSHUT_LOW_ACTIVE, /* default TSHUT LOW ACTIVE */ .tshut_temp = 95000, - .initialize = rk_tsadcv7_initialize, .irq_ack = rk_tsadcv3_irq_ack, .control = rk_tsadcv3_control, @@ -1308,7 +1295,6 @@ static const struct rockchip_tsadc_chip rk3568_tsadc_data = { .set_alarm_temp = rk_tsadcv2_alarm_temp, .set_tshut_temp = rk_tsadcv2_tshut_temp, .set_tshut_mode = rk_tsadcv2_tshut_mode, - .table = { .id = rk3568_code_table, .length = ARRAY_SIZE(rk3568_code_table), @@ -1321,6 +1307,7 @@ static const struct rockchip_tsadc_chip rk3576_tsadc_data = { /* top, big_core, little_core, ddr, npu, gpu */ .chn_offset = 0, .chn_num = 6, /* six channels for tsadc */ + .grf_required = false, .tshut_mode = TSHUT_MODE_GPIO, /* default TSHUT via GPIO give PMIC */ .tshut_polarity = TSHUT_LOW_ACTIVE, /* default TSHUT LOW ACTIVE */ .tshut_temp = 95000, @@ -1345,6 +1332,7 @@ static const struct rockchip_tsadc_chip rk3588_tsadc_data = { /* top, big_core0, big_core1, little_core, center, gpu, npu */ .chn_offset = 0, .chn_num = 7, /* seven channels for tsadc */ + .grf_required = false, .tshut_mode = TSHUT_MODE_GPIO, /* default TSHUT via GPIO give PMIC */ .tshut_polarity = TSHUT_LOW_ACTIVE, /* default TSHUT LOW ACTIVE */ .tshut_temp = 95000, @@ -1621,12 +1609,10 @@ static int rockchip_configure_from_dt(struct device *dev, return -EINVAL; } - /* The tsadc wont to handle the error in here since some SoCs didn't - * need this property. - */ thermal->grf = syscon_regmap_lookup_by_phandle(np, "rockchip,grf"); - if (IS_ERR(thermal->grf)) - dev_warn(dev, "Missing rockchip,grf property\n"); + if (IS_ERR(thermal->grf) && thermal->chip->grf_required) + return dev_err_probe(dev, PTR_ERR(thermal->grf), + "Missing rockchip,grf property\n"); rockchip_get_trim_configuration(dev, np, thermal); diff --git a/drivers/thermal/tegra/Makefile b/drivers/thermal/tegra/Makefile index eb27d194c583..9b3e91f7fb97 100644 --- a/drivers/thermal/tegra/Makefile +++ b/drivers/thermal/tegra/Makefile @@ -4,6 +4,7 @@ obj-$(CONFIG_TEGRA_BPMP_THERMAL) += tegra-bpmp-thermal.o obj-$(CONFIG_TEGRA30_TSENSOR) += tegra30-tsensor.o tegra-soctherm-y := soctherm.o soctherm-fuse.o +tegra-soctherm-$(CONFIG_ARCH_TEGRA_114_SOC) += tegra114-soctherm.o tegra-soctherm-$(CONFIG_ARCH_TEGRA_124_SOC) += tegra124-soctherm.o tegra-soctherm-$(CONFIG_ARCH_TEGRA_132_SOC) += tegra132-soctherm.o tegra-soctherm-$(CONFIG_ARCH_TEGRA_210_SOC) += tegra210-soctherm.o diff --git a/drivers/thermal/tegra/soctherm-fuse.c b/drivers/thermal/tegra/soctherm-fuse.c index 190f95280e0b..8d37cd8c9122 100644 --- a/drivers/thermal/tegra/soctherm-fuse.c +++ b/drivers/thermal/tegra/soctherm-fuse.c @@ -9,15 +9,12 @@ #include "soctherm.h" -#define NOMINAL_CALIB_FT 105 #define NOMINAL_CALIB_CP 25 #define FUSE_TSENSOR_CALIB_CP_TS_BASE_MASK 0x1fff #define FUSE_TSENSOR_CALIB_FT_TS_BASE_MASK (0x1fff << 13) #define FUSE_TSENSOR_CALIB_FT_TS_BASE_SHIFT 13 -#define FUSE_TSENSOR_COMMON 0x180 - /* * Tegra210: Layout of bits in FUSE_TSENSOR_COMMON: * 3 2 1 0 @@ -26,7 +23,7 @@ * | BASE_FT | BASE_CP | SHFT_FT | SHIFT_CP | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ * - * Tegra12x, etc: + * Tegra124: * In chips prior to Tegra210, this fuse was incorrectly sized as 26 bits, * and didn't hold SHIFT_CP in [31:26]. Therefore these missing six bits * were obtained via the FUSE_SPARE_REALIGNMENT_REG register [5:0]. @@ -44,6 +41,13 @@ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ * |---------------------------------------------------| SHIFT_CP | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ + * + * Tegra114: Layout of bits in FUSE_TSENSOR_COMMON aka FUSE_VSENSOR_CALIB: + * 3 2 1 0 + * 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 + * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ + * | SHFT_FT | BASE_FT | SHIFT_CP | BASE_CP | + * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ */ #define CALIB_COEFFICIENT 1000000LL @@ -77,7 +81,7 @@ int tegra_calc_shared_calib(const struct tegra_soctherm_fuse *tfuse, s32 shifted_cp, shifted_ft; int err; - err = tegra_fuse_readl(FUSE_TSENSOR_COMMON, &val); + err = tegra_fuse_readl(tfuse->fuse_common_reg, &val); if (err) return err; @@ -96,10 +100,12 @@ int tegra_calc_shared_calib(const struct tegra_soctherm_fuse *tfuse, return err; } + shifted_cp = (val & tfuse->fuse_shift_cp_mask) >> + tfuse->fuse_shift_cp_shift; shifted_cp = sign_extend32(val, 5); shared->actual_temp_cp = 2 * NOMINAL_CALIB_CP + shifted_cp; - shared->actual_temp_ft = 2 * NOMINAL_CALIB_FT + shifted_ft; + shared->actual_temp_ft = 2 * tfuse->nominal_calib_ft + shifted_ft; return 0; } diff --git a/drivers/thermal/tegra/soctherm.c b/drivers/thermal/tegra/soctherm.c index 53a5c649f4b1..5d26b52beaba 100644 --- a/drivers/thermal/tegra/soctherm.c +++ b/drivers/thermal/tegra/soctherm.c @@ -31,6 +31,7 @@ #include <linux/reset.h> #include <linux/thermal.h> +#include <dt-bindings/thermal/tegra114-soctherm.h> #include <dt-bindings/thermal/tegra124-soctherm.h> #include "../thermal_core.h" @@ -357,6 +358,12 @@ struct soctherm_oc_irq_chip_data { static struct soctherm_oc_irq_chip_data soc_irq_cdata; +/* Ensure that TEGRA114_* and TEGRA124_* counterparts are equal */ +static_assert(TEGRA114_SOCTHERM_SENSOR_CPU == TEGRA124_SOCTHERM_SENSOR_CPU); +static_assert(TEGRA114_SOCTHERM_SENSOR_MEM == TEGRA124_SOCTHERM_SENSOR_MEM); +static_assert(TEGRA114_SOCTHERM_SENSOR_GPU == TEGRA124_SOCTHERM_SENSOR_GPU); +static_assert(TEGRA114_SOCTHERM_SENSOR_PLLX == TEGRA124_SOCTHERM_SENSOR_PLLX); + /** * ccroc_writel() - writes a value to a CCROC register * @ts: pointer to a struct tegra_soctherm @@ -2045,6 +2052,12 @@ static void soctherm_init(struct platform_device *pdev) } static const struct of_device_id tegra_soctherm_of_match[] = { +#ifdef CONFIG_ARCH_TEGRA_114_SOC + { + .compatible = "nvidia,tegra114-soctherm", + .data = &tegra114_soctherm, + }, +#endif #ifdef CONFIG_ARCH_TEGRA_124_SOC { .compatible = "nvidia,tegra124-soctherm", diff --git a/drivers/thermal/tegra/soctherm.h b/drivers/thermal/tegra/soctherm.h index 70501e73d586..aa4af9268b05 100644 --- a/drivers/thermal/tegra/soctherm.h +++ b/drivers/thermal/tegra/soctherm.h @@ -56,6 +56,9 @@ #define SENSOR_TEMP2_MEM_TEMP_MASK (0xffff << 16) #define SENSOR_TEMP2_PLLX_TEMP_MASK 0xffff +#define FUSE_VSENSOR_CALIB 0x08c +#define FUSE_TSENSOR_COMMON 0x180 + /** * struct tegra_tsensor_group - SOC_THERM sensor group data * @name: short name of the temperature sensor group @@ -109,9 +112,11 @@ struct tsensor_group_thermtrips { struct tegra_soctherm_fuse { u32 fuse_base_cp_mask, fuse_base_cp_shift; + u32 fuse_shift_cp_mask, fuse_shift_cp_shift; u32 fuse_base_ft_mask, fuse_base_ft_shift; u32 fuse_shift_ft_mask, fuse_shift_ft_shift; - u32 fuse_spare_realignment; + u32 fuse_common_reg, fuse_spare_realignment; + u32 nominal_calib_ft; }; struct tsensor_shared_calib { @@ -137,6 +142,10 @@ int tegra_calc_tsensor_calib(const struct tegra_tsensor *sensor, const struct tsensor_shared_calib *shared, u32 *calib); +#ifdef CONFIG_ARCH_TEGRA_114_SOC +extern const struct tegra_soctherm_soc tegra114_soctherm; +#endif + #ifdef CONFIG_ARCH_TEGRA_124_SOC extern const struct tegra_soctherm_soc tegra124_soctherm; #endif diff --git a/drivers/thermal/tegra/tegra114-soctherm.c b/drivers/thermal/tegra/tegra114-soctherm.c new file mode 100644 index 000000000000..688104f28052 --- /dev/null +++ b/drivers/thermal/tegra/tegra114-soctherm.c @@ -0,0 +1,209 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (c) 2014-2018, NVIDIA CORPORATION. All rights reserved. + * Copyright (c) 2024, Svyatoslav Ryhel <clamor95@gmail.com> + */ + +#include <linux/module.h> +#include <linux/platform_device.h> + +#include <dt-bindings/thermal/tegra114-soctherm.h> + +#include "soctherm.h" + +#define TEGRA114_THERMTRIP_ANY_EN_MASK (0x1 << 28) +#define TEGRA114_THERMTRIP_MEM_EN_MASK (0x1 << 27) +#define TEGRA114_THERMTRIP_GPU_EN_MASK (0x1 << 26) +#define TEGRA114_THERMTRIP_CPU_EN_MASK (0x1 << 25) +#define TEGRA114_THERMTRIP_TSENSE_EN_MASK (0x1 << 24) +#define TEGRA114_THERMTRIP_GPUMEM_THRESH_MASK (0xff << 16) +#define TEGRA114_THERMTRIP_CPU_THRESH_MASK (0xff << 8) +#define TEGRA114_THERMTRIP_TSENSE_THRESH_MASK 0xff + +#define TEGRA114_THERMCTL_LVL0_UP_THRESH_MASK (0xff << 17) +#define TEGRA114_THERMCTL_LVL0_DN_THRESH_MASK (0xff << 9) + +#define TEGRA114_THRESH_GRAIN 1000 +#define TEGRA114_BPTT 8 + +static const struct tegra_tsensor_configuration tegra114_tsensor_config = { + .tall = 16300, + .tiddq_en = 1, + .ten_count = 1, + .tsample = 163, + .tsample_ate = 655, +}; + +static const struct tegra_tsensor_group tegra114_tsensor_group_cpu = { + .id = TEGRA114_SOCTHERM_SENSOR_CPU, + .name = "cpu", + .sensor_temp_offset = SENSOR_TEMP1, + .sensor_temp_mask = SENSOR_TEMP1_CPU_TEMP_MASK, + .pdiv = 10, + .pdiv_ate = 10, + .pdiv_mask = SENSOR_PDIV_CPU_MASK, + .pllx_hotspot_diff = 6, + .pllx_hotspot_mask = SENSOR_HOTSPOT_CPU_MASK, + .thermtrip_any_en_mask = TEGRA114_THERMTRIP_ANY_EN_MASK, + .thermtrip_enable_mask = TEGRA114_THERMTRIP_CPU_EN_MASK, + .thermtrip_threshold_mask = TEGRA114_THERMTRIP_CPU_THRESH_MASK, + .thermctl_isr_mask = THERM_IRQ_CPU_MASK, + .thermctl_lvl0_offset = THERMCTL_LEVEL0_GROUP_CPU, + .thermctl_lvl0_up_thresh_mask = TEGRA114_THERMCTL_LVL0_UP_THRESH_MASK, + .thermctl_lvl0_dn_thresh_mask = TEGRA114_THERMCTL_LVL0_DN_THRESH_MASK, +}; + +static const struct tegra_tsensor_group tegra114_tsensor_group_gpu = { + .id = TEGRA114_SOCTHERM_SENSOR_GPU, + .name = "gpu", + .sensor_temp_offset = SENSOR_TEMP1, + .sensor_temp_mask = SENSOR_TEMP1_GPU_TEMP_MASK, + .pdiv = 10, + .pdiv_ate = 10, + .pdiv_mask = SENSOR_PDIV_GPU_MASK, + .pllx_hotspot_diff = 6, + .pllx_hotspot_mask = SENSOR_HOTSPOT_GPU_MASK, + .thermtrip_any_en_mask = TEGRA114_THERMTRIP_ANY_EN_MASK, + .thermtrip_enable_mask = TEGRA114_THERMTRIP_GPU_EN_MASK, + .thermtrip_threshold_mask = TEGRA114_THERMTRIP_GPUMEM_THRESH_MASK, + .thermctl_isr_mask = THERM_IRQ_GPU_MASK, + .thermctl_lvl0_offset = THERMCTL_LEVEL0_GROUP_GPU, + .thermctl_lvl0_up_thresh_mask = TEGRA114_THERMCTL_LVL0_UP_THRESH_MASK, + .thermctl_lvl0_dn_thresh_mask = TEGRA114_THERMCTL_LVL0_DN_THRESH_MASK, +}; + +static const struct tegra_tsensor_group tegra114_tsensor_group_pll = { + .id = TEGRA114_SOCTHERM_SENSOR_PLLX, + .name = "pll", + .sensor_temp_offset = SENSOR_TEMP2, + .sensor_temp_mask = SENSOR_TEMP2_PLLX_TEMP_MASK, + .pdiv = 10, + .pdiv_ate = 10, + .pdiv_mask = SENSOR_PDIV_PLLX_MASK, + .thermtrip_any_en_mask = TEGRA114_THERMTRIP_ANY_EN_MASK, + .thermtrip_enable_mask = TEGRA114_THERMTRIP_TSENSE_EN_MASK, + .thermtrip_threshold_mask = TEGRA114_THERMTRIP_TSENSE_THRESH_MASK, + .thermctl_isr_mask = THERM_IRQ_TSENSE_MASK, + .thermctl_lvl0_offset = THERMCTL_LEVEL0_GROUP_TSENSE, + .thermctl_lvl0_up_thresh_mask = TEGRA114_THERMCTL_LVL0_UP_THRESH_MASK, + .thermctl_lvl0_dn_thresh_mask = TEGRA114_THERMCTL_LVL0_DN_THRESH_MASK, +}; + +static const struct tegra_tsensor_group tegra114_tsensor_group_mem = { + .id = TEGRA114_SOCTHERM_SENSOR_MEM, + .name = "mem", + .sensor_temp_offset = SENSOR_TEMP2, + .sensor_temp_mask = SENSOR_TEMP2_MEM_TEMP_MASK, + .pdiv = 10, + .pdiv_ate = 10, + .pdiv_mask = SENSOR_PDIV_MEM_MASK, + .pllx_hotspot_diff = 0, + .pllx_hotspot_mask = SENSOR_HOTSPOT_MEM_MASK, + .thermtrip_any_en_mask = TEGRA114_THERMTRIP_ANY_EN_MASK, + .thermtrip_enable_mask = TEGRA114_THERMTRIP_MEM_EN_MASK, + .thermtrip_threshold_mask = TEGRA114_THERMTRIP_GPUMEM_THRESH_MASK, + .thermctl_isr_mask = THERM_IRQ_MEM_MASK, + .thermctl_lvl0_offset = THERMCTL_LEVEL0_GROUP_MEM, + .thermctl_lvl0_up_thresh_mask = TEGRA114_THERMCTL_LVL0_UP_THRESH_MASK, + .thermctl_lvl0_dn_thresh_mask = TEGRA114_THERMCTL_LVL0_DN_THRESH_MASK, +}; + +static const struct tegra_tsensor_group *tegra114_tsensor_groups[] = { + &tegra114_tsensor_group_cpu, + &tegra114_tsensor_group_gpu, + &tegra114_tsensor_group_pll, + &tegra114_tsensor_group_mem, +}; + +static const struct tegra_tsensor tegra114_tsensors[] = { + { + .name = "cpu0", + .base = 0xc0, + .config = &tegra114_tsensor_config, + .calib_fuse_offset = 0x098, + .fuse_corr_alpha = 1196400, + .fuse_corr_beta = -13600000, + .group = &tegra114_tsensor_group_cpu, + }, { + .name = "cpu1", + .base = 0xe0, + .config = &tegra114_tsensor_config, + .calib_fuse_offset = 0x084, + .fuse_corr_alpha = 1196400, + .fuse_corr_beta = -13600000, + .group = &tegra114_tsensor_group_cpu, + }, { + .name = "cpu2", + .base = 0x100, + .config = &tegra114_tsensor_config, + .calib_fuse_offset = 0x088, + .fuse_corr_alpha = 1196400, + .fuse_corr_beta = -13600000, + .group = &tegra114_tsensor_group_cpu, + }, { + .name = "cpu3", + .base = 0x120, + .config = &tegra114_tsensor_config, + .calib_fuse_offset = 0x12c, + .fuse_corr_alpha = 1196400, + .fuse_corr_beta = -13600000, + .group = &tegra114_tsensor_group_cpu, + }, { + .name = "mem0", + .base = 0x140, + .config = &tegra114_tsensor_config, + .calib_fuse_offset = 0x158, + .fuse_corr_alpha = 1000000, + .fuse_corr_beta = 0, + .group = &tegra114_tsensor_group_mem, + }, { + .name = "mem1", + .base = 0x160, + .config = &tegra114_tsensor_config, + .calib_fuse_offset = 0x15c, + .fuse_corr_alpha = 1000000, + .fuse_corr_beta = 0, + .group = &tegra114_tsensor_group_mem, + }, { + .name = "gpu", + .base = 0x180, + .config = &tegra114_tsensor_config, + .calib_fuse_offset = 0x154, + .fuse_corr_alpha = 1124500, + .fuse_corr_beta = -9793100, + .group = &tegra114_tsensor_group_gpu, + }, { + .name = "pllx", + .base = 0x1a0, + .config = &tegra114_tsensor_config, + .calib_fuse_offset = 0x160, + .fuse_corr_alpha = 1224200, + .fuse_corr_beta = -14665000, + .group = &tegra114_tsensor_group_pll, + }, +}; + +static const struct tegra_soctherm_fuse tegra114_soctherm_fuse = { + .fuse_base_cp_mask = 0x3ff, + .fuse_base_cp_shift = 0, + .fuse_shift_cp_mask = 0x3f << 10, + .fuse_shift_cp_shift = 10, + .fuse_base_ft_mask = 0x7ff << 16, + .fuse_base_ft_shift = 16, + .fuse_shift_ft_mask = 0x1f << 27, + .fuse_shift_ft_shift = 27, + .fuse_common_reg = FUSE_VSENSOR_CALIB, + .fuse_spare_realignment = 0, + .nominal_calib_ft = 90, +}; + +const struct tegra_soctherm_soc tegra114_soctherm = { + .tsensors = tegra114_tsensors, + .num_tsensors = ARRAY_SIZE(tegra114_tsensors), + .ttgs = tegra114_tsensor_groups, + .num_ttgs = ARRAY_SIZE(tegra114_tsensor_groups), + .tfuse = &tegra114_soctherm_fuse, + .thresh_grain = TEGRA114_THRESH_GRAIN, + .bptt = TEGRA114_BPTT, + .use_ccroc = false, +}; diff --git a/drivers/thermal/tegra/tegra124-soctherm.c b/drivers/thermal/tegra/tegra124-soctherm.c index 20ad27f4d1a1..d86acff1b234 100644 --- a/drivers/thermal/tegra/tegra124-soctherm.c +++ b/drivers/thermal/tegra/tegra124-soctherm.c @@ -200,11 +200,15 @@ static const struct tegra_tsensor tegra124_tsensors[] = { static const struct tegra_soctherm_fuse tegra124_soctherm_fuse = { .fuse_base_cp_mask = 0x3ff, .fuse_base_cp_shift = 0, + .fuse_shift_cp_mask = 0x3f, + .fuse_shift_cp_shift = 0, .fuse_base_ft_mask = 0x7ff << 10, .fuse_base_ft_shift = 10, .fuse_shift_ft_mask = 0x1f << 21, .fuse_shift_ft_shift = 21, + .fuse_common_reg = FUSE_TSENSOR_COMMON, .fuse_spare_realignment = 0x1fc, + .nominal_calib_ft = 105, }; const struct tegra_soctherm_soc tegra124_soctherm = { diff --git a/drivers/thermal/tegra/tegra132-soctherm.c b/drivers/thermal/tegra/tegra132-soctherm.c index b76308fdad9e..64c0363b9717 100644 --- a/drivers/thermal/tegra/tegra132-soctherm.c +++ b/drivers/thermal/tegra/tegra132-soctherm.c @@ -200,11 +200,15 @@ static struct tegra_tsensor tegra132_tsensors[] = { static const struct tegra_soctherm_fuse tegra132_soctherm_fuse = { .fuse_base_cp_mask = 0x3ff, .fuse_base_cp_shift = 0, + .fuse_shift_cp_mask = 0x3f, + .fuse_shift_cp_shift = 0, .fuse_base_ft_mask = 0x7ff << 10, .fuse_base_ft_shift = 10, .fuse_shift_ft_mask = 0x1f << 21, .fuse_shift_ft_shift = 21, + .fuse_common_reg = FUSE_TSENSOR_COMMON, .fuse_spare_realignment = 0x1fc, + .nominal_calib_ft = 105, }; const struct tegra_soctherm_soc tegra132_soctherm = { diff --git a/drivers/thermal/tegra/tegra210-soctherm.c b/drivers/thermal/tegra/tegra210-soctherm.c index d0ff793f18c5..f6e1493f0202 100644 --- a/drivers/thermal/tegra/tegra210-soctherm.c +++ b/drivers/thermal/tegra/tegra210-soctherm.c @@ -201,11 +201,15 @@ static const struct tegra_tsensor tegra210_tsensors[] = { static const struct tegra_soctherm_fuse tegra210_soctherm_fuse = { .fuse_base_cp_mask = 0x3ff << 11, .fuse_base_cp_shift = 11, + .fuse_shift_cp_mask = 0x3f, + .fuse_shift_cp_shift = 0, .fuse_base_ft_mask = 0x7ff << 21, .fuse_base_ft_shift = 21, .fuse_shift_ft_mask = 0x1f << 6, .fuse_shift_ft_shift = 6, + .fuse_common_reg = FUSE_TSENSOR_COMMON, .fuse_spare_realignment = 0, + .nominal_calib_ft = 105, }; static struct tsensor_group_thermtrips tegra210_tsensor_thermtrips[] = { diff --git a/drivers/thermal/thermal-generic-adc.c b/drivers/thermal/thermal-generic-adc.c index ee3d0aa31406..7c844589b153 100644 --- a/drivers/thermal/thermal-generic-adc.c +++ b/drivers/thermal/thermal-generic-adc.c @@ -7,6 +7,7 @@ * Author: Laxman Dewangan <ldewangan@nvidia.com> */ #include <linux/iio/consumer.h> +#include <linux/iio/iio.h> #include <linux/kernel.h> #include <linux/module.h> #include <linux/platform_device.h> @@ -73,6 +74,58 @@ static const struct thermal_zone_device_ops gadc_thermal_ops = { .get_temp = gadc_thermal_get_temp, }; +static const struct iio_chan_spec gadc_thermal_iio_channels[] = { + { + .type = IIO_TEMP, + .info_mask_separate = BIT(IIO_CHAN_INFO_PROCESSED), + } +}; + +static int gadc_thermal_read_raw(struct iio_dev *indio_dev, + struct iio_chan_spec const *chan, + int *val, int *val2, long mask) +{ + struct gadc_thermal_info *gtinfo = iio_priv(indio_dev); + int ret; + + switch (mask) { + case IIO_CHAN_INFO_PROCESSED: + ret = gadc_thermal_get_temp(gtinfo->tz_dev, val); + if (ret) + return ret; + + return IIO_VAL_INT; + + default: + return -EINVAL; + } +} + +static const struct iio_info gadc_thermal_iio_info = { + .read_raw = gadc_thermal_read_raw, +}; + +static int gadc_iio_register(struct device *dev, struct gadc_thermal_info *gti) +{ + struct gadc_thermal_info *gtinfo; + struct iio_dev *indio_dev; + + indio_dev = devm_iio_device_alloc(dev, sizeof(*gtinfo)); + if (!indio_dev) + return -ENOMEM; + + gtinfo = iio_priv(indio_dev); + memcpy(gtinfo, gti, sizeof(*gtinfo)); + + indio_dev->name = dev_name(dev); + indio_dev->info = &gadc_thermal_iio_info; + indio_dev->modes = INDIO_DIRECT_MODE; + indio_dev->channels = gadc_thermal_iio_channels; + indio_dev->num_channels = ARRAY_SIZE(gadc_thermal_iio_channels); + + return devm_iio_device_register(dev, indio_dev); +} + static int gadc_thermal_read_linear_lookup_table(struct device *dev, struct gadc_thermal_info *gti) { @@ -153,7 +206,7 @@ static int gadc_thermal_probe(struct platform_device *pdev) devm_thermal_add_hwmon_sysfs(dev, gti->tz_dev); - return 0; + return gadc_iio_register(&pdev->dev, gti); } static const struct of_device_id of_adc_thermal_match[] = { diff --git a/include/dt-bindings/thermal/tegra114-soctherm.h b/include/dt-bindings/thermal/tegra114-soctherm.h new file mode 100644 index 000000000000..b766a61cd1ce --- /dev/null +++ b/include/dt-bindings/thermal/tegra114-soctherm.h @@ -0,0 +1,19 @@ +/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) */ +/* + * This header provides constants for binding nvidia,tegra114-soctherm. + */ + +#ifndef _DT_BINDINGS_THERMAL_TEGRA114_SOCTHERM_H +#define _DT_BINDINGS_THERMAL_TEGRA114_SOCTHERM_H + +#define TEGRA114_SOCTHERM_SENSOR_CPU 0 +#define TEGRA114_SOCTHERM_SENSOR_MEM 1 +#define TEGRA114_SOCTHERM_SENSOR_GPU 2 +#define TEGRA114_SOCTHERM_SENSOR_PLLX 3 + +#define TEGRA114_SOCTHERM_THROT_LEVEL_NONE 0 +#define TEGRA114_SOCTHERM_THROT_LEVEL_LOW 1 +#define TEGRA114_SOCTHERM_THROT_LEVEL_MED 2 +#define TEGRA114_SOCTHERM_THROT_LEVEL_HIGH 3 + +#endif |