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* [PATCH] thermal: tegra: Add Tegra210B01 Support
@ 2026-10-18 22:20 Aaron Kling via B4 Relay
  2026-10-28  2:41 ` Mikko Perttunen
  0 siblings, 1 reply; 2+ messages in thread
From: Aaron Kling via B4 Relay @ 2026-10-18 22:20 UTC (permalink / raw)
  To: Rafael J. Wysocki, Daniel Lezcano, Zhang Rui, Lukasz Luba,
	Thierry Reding, Jonathan Hunter
  Cc: linux-pm, linux-tegra, linux-kernel, Srikar Srimath Tirumala,
	Eugene Vernik, Aaron Kling

From: Aaron Kling <webgeek1234@gmail.com>

Add Tegra210B01 SOC_THERM configuration. There are two main differences
from the original Tegra210:

* There is no mem thermal sensor
* Pdiv and pdiv_ate differ

Based-on: https://gitlab.com/nvidia/nv-tegra/linux-5.10/-/commit/b15149a15154e6b2fc827f4f169e37c9e5b389d9
Based-on-patch-by: Srikar Srimath Tirumala <srikars@nvidia.com>
Co-developed-by: Eugene Vernik <crimsonslayer76@gmail.com>
Signed-off-by: Eugene Vernik <crimsonslayer76@gmail.com>
Signed-off-by: Aaron Kling <webgeek1234@gmail.com>
---
thermal: tegra: Add Tegra210B01 Support
---
 drivers/thermal/tegra/soctherm.c          |   4 +
 drivers/thermal/tegra/soctherm.h          |   1 +
 drivers/thermal/tegra/tegra210-soctherm.c | 133 ++++++++++++++++++++++++++++++
 3 files changed, 138 insertions(+)

diff --git a/drivers/thermal/tegra/soctherm.c b/drivers/thermal/tegra/soctherm.c
index d8e988a0d43e9..95451d1bd4e62 100644
--- a/drivers/thermal/tegra/soctherm.c
+++ b/drivers/thermal/tegra/soctherm.c
@@ -2082,6 +2082,10 @@ static const struct of_device_id tegra_soctherm_of_match[] = {
 		.compatible = "nvidia,tegra210-soctherm",
 		.data = &tegra210_soctherm,
 	},
+	{
+		.compatible = "nvidia,tegra210b01-soctherm",
+		.data = &tegra210b01_soctherm,
+	},
 #endif
 	{ },
 };
diff --git a/drivers/thermal/tegra/soctherm.h b/drivers/thermal/tegra/soctherm.h
index aa4af9268b05d..4bc1e44e28827 100644
--- a/drivers/thermal/tegra/soctherm.h
+++ b/drivers/thermal/tegra/soctherm.h
@@ -156,6 +156,7 @@ extern const struct tegra_soctherm_soc tegra132_soctherm;
 
 #ifdef CONFIG_ARCH_TEGRA_210_SOC
 extern const struct tegra_soctherm_soc tegra210_soctherm;
+extern const struct tegra_soctherm_soc tegra210b01_soctherm;
 #endif
 
 #endif
diff --git a/drivers/thermal/tegra/tegra210-soctherm.c b/drivers/thermal/tegra/tegra210-soctherm.c
index f6e1493f0202f..b4f2c7837fd69 100644
--- a/drivers/thermal/tegra/tegra210-soctherm.c
+++ b/drivers/thermal/tegra/tegra210-soctherm.c
@@ -44,6 +44,14 @@ static const struct tegra_tsensor_configuration tegra210_tsensor_config = {
 	.tsample_ate = 480,
 };
 
+static const struct tegra_tsensor_configuration tegra210b01_tsensor_config = {
+	.tall = 16300,
+	.tiddq_en = 1,
+	.ten_count = 1,
+	.tsample = 240,
+	.tsample_ate = 480,
+};
+
 static const struct tegra_tsensor_group tegra210_tsensor_group_cpu = {
 	.id = TEGRA124_SOCTHERM_SENSOR_CPU,
 	.name = "cpu",
@@ -63,6 +71,25 @@ static const struct tegra_tsensor_group tegra210_tsensor_group_cpu = {
 	.thermctl_lvl0_dn_thresh_mask = TEGRA210_THERMCTL_LVL0_DN_THRESH_MASK,
 };
 
+static const struct tegra_tsensor_group tegra210b01_tsensor_group_cpu = {
+	.id = TEGRA124_SOCTHERM_SENSOR_CPU,
+	.name = "cpu",
+	.sensor_temp_offset = SENSOR_TEMP1,
+	.sensor_temp_mask = SENSOR_TEMP1_CPU_TEMP_MASK,
+	.pdiv = 12,
+	.pdiv_ate = 6,
+	.pdiv_mask = SENSOR_PDIV_CPU_MASK,
+	.pllx_hotspot_diff = 10,
+	.pllx_hotspot_mask = SENSOR_HOTSPOT_CPU_MASK,
+	.thermtrip_any_en_mask = TEGRA210_THERMTRIP_ANY_EN_MASK,
+	.thermtrip_enable_mask = TEGRA210_THERMTRIP_CPU_EN_MASK,
+	.thermtrip_threshold_mask = TEGRA210_THERMTRIP_CPU_THRESH_MASK,
+	.thermctl_isr_mask = THERM_IRQ_CPU_MASK,
+	.thermctl_lvl0_offset = THERMCTL_LEVEL0_GROUP_CPU,
+	.thermctl_lvl0_up_thresh_mask = TEGRA210_THERMCTL_LVL0_UP_THRESH_MASK,
+	.thermctl_lvl0_dn_thresh_mask = TEGRA210_THERMCTL_LVL0_DN_THRESH_MASK,
+};
+
 static const struct tegra_tsensor_group tegra210_tsensor_group_gpu = {
 	.id = TEGRA124_SOCTHERM_SENSOR_GPU,
 	.name = "gpu",
@@ -82,6 +109,25 @@ static const struct tegra_tsensor_group tegra210_tsensor_group_gpu = {
 	.thermctl_lvl0_dn_thresh_mask = TEGRA210_THERMCTL_LVL0_DN_THRESH_MASK,
 };
 
+static const struct tegra_tsensor_group tegra210b01_tsensor_group_gpu = {
+	.id = TEGRA124_SOCTHERM_SENSOR_GPU,
+	.name = "gpu",
+	.sensor_temp_offset = SENSOR_TEMP1,
+	.sensor_temp_mask = SENSOR_TEMP1_GPU_TEMP_MASK,
+	.pdiv = 12,
+	.pdiv_ate = 6,
+	.pdiv_mask = SENSOR_PDIV_GPU_MASK,
+	.pllx_hotspot_diff = 5,
+	.pllx_hotspot_mask = SENSOR_HOTSPOT_GPU_MASK,
+	.thermtrip_any_en_mask = TEGRA210_THERMTRIP_ANY_EN_MASK,
+	.thermtrip_enable_mask = TEGRA210_THERMTRIP_GPU_EN_MASK,
+	.thermtrip_threshold_mask = TEGRA210_THERMTRIP_GPUMEM_THRESH_MASK,
+	.thermctl_isr_mask = THERM_IRQ_GPU_MASK,
+	.thermctl_lvl0_offset = THERMCTL_LEVEL0_GROUP_GPU,
+	.thermctl_lvl0_up_thresh_mask = TEGRA210_THERMCTL_LVL0_UP_THRESH_MASK,
+	.thermctl_lvl0_dn_thresh_mask = TEGRA210_THERMCTL_LVL0_DN_THRESH_MASK,
+};
+
 static const struct tegra_tsensor_group tegra210_tsensor_group_pll = {
 	.id = TEGRA124_SOCTHERM_SENSOR_PLLX,
 	.name = "pll",
@@ -99,6 +145,23 @@ static const struct tegra_tsensor_group tegra210_tsensor_group_pll = {
 	.thermctl_lvl0_dn_thresh_mask = TEGRA210_THERMCTL_LVL0_DN_THRESH_MASK,
 };
 
+static const struct tegra_tsensor_group tegra210b01_tsensor_group_pll = {
+	.id = TEGRA124_SOCTHERM_SENSOR_PLLX,
+	.name = "pll",
+	.sensor_temp_offset = SENSOR_TEMP2,
+	.sensor_temp_mask = SENSOR_TEMP2_PLLX_TEMP_MASK,
+	.pdiv = 12,
+	.pdiv_ate = 6,
+	.pdiv_mask = SENSOR_PDIV_PLLX_MASK,
+	.thermtrip_any_en_mask = TEGRA210_THERMTRIP_ANY_EN_MASK,
+	.thermtrip_enable_mask = TEGRA210_THERMTRIP_TSENSE_EN_MASK,
+	.thermtrip_threshold_mask = TEGRA210_THERMTRIP_TSENSE_THRESH_MASK,
+	.thermctl_isr_mask = THERM_IRQ_TSENSE_MASK,
+	.thermctl_lvl0_offset = THERMCTL_LEVEL0_GROUP_TSENSE,
+	.thermctl_lvl0_up_thresh_mask = TEGRA210_THERMCTL_LVL0_UP_THRESH_MASK,
+	.thermctl_lvl0_dn_thresh_mask = TEGRA210_THERMCTL_LVL0_DN_THRESH_MASK,
+};
+
 static const struct tegra_tsensor_group tegra210_tsensor_group_mem = {
 	.id = TEGRA124_SOCTHERM_SENSOR_MEM,
 	.name = "mem",
@@ -125,6 +188,12 @@ static const struct tegra_tsensor_group *tegra210_tsensor_groups[] = {
 	&tegra210_tsensor_group_mem,
 };
 
+static const struct tegra_tsensor_group *tegra210b01_tsensor_groups[] = {
+	&tegra210b01_tsensor_group_cpu,
+	&tegra210b01_tsensor_group_gpu,
+	&tegra210b01_tsensor_group_pll,
+};
+
 static const struct tegra_tsensor tegra210_tsensors[] = {
 	{
 		.name = "cpu0",
@@ -193,6 +262,58 @@ static const struct tegra_tsensor tegra210_tsensors[] = {
 	},
 };
 
+static const struct tegra_tsensor tegra210b01_tsensors[] = {
+	{
+		.name = "cpu0",
+		.base = 0xc0,
+		.config = &tegra210b01_tsensor_config,
+		.calib_fuse_offset = 0x098,
+		.fuse_corr_alpha = 1085000,
+		.fuse_corr_beta = 3244200,
+		.group = &tegra210b01_tsensor_group_cpu,
+	}, {
+		.name = "cpu1",
+		.base = 0xe0,
+		.config = &tegra210b01_tsensor_config,
+		.calib_fuse_offset = 0x084,
+		.fuse_corr_alpha = 1126200,
+		.fuse_corr_beta = -67500,
+		.group = &tegra210b01_tsensor_group_cpu,
+	}, {
+		.name = "cpu2",
+		.base = 0x100,
+		.config = &tegra210b01_tsensor_config,
+		.calib_fuse_offset = 0x088,
+		.fuse_corr_alpha = 1098400,
+		.fuse_corr_beta = 2251100,
+		.group = &tegra210b01_tsensor_group_cpu,
+	}, {
+		.name = "cpu3",
+		.base = 0x120,
+		.config = &tegra210b01_tsensor_config,
+		.calib_fuse_offset = 0x12c,
+		.fuse_corr_alpha = 1108000,
+		.fuse_corr_beta = 602700,
+		.group = &tegra210b01_tsensor_group_cpu,
+	}, {
+		.name = "gpu",
+		.base = 0x180,
+		.config = &tegra210b01_tsensor_config,
+		.calib_fuse_offset = 0x154,
+		.fuse_corr_alpha = 1074300,
+		.fuse_corr_beta = 2734900,
+		.group = &tegra210b01_tsensor_group_gpu,
+	}, {
+		.name = "pllx",
+		.base = 0x1a0,
+		.config = &tegra210b01_tsensor_config,
+		.calib_fuse_offset = 0x160,
+		.fuse_corr_alpha = 1039700,
+		.fuse_corr_beta = 6829100,
+		.group = &tegra210b01_tsensor_group_pll,
+	},
+};
+
 /*
  * Mask/shift bits in FUSE_TSENSOR_COMMON and
  * FUSE_TSENSOR_COMMON, which are described in
@@ -230,3 +351,15 @@ const struct tegra_soctherm_soc tegra210_soctherm = {
 	.use_ccroc = false,
 	.thermtrips = tegra210_tsensor_thermtrips,
 };
+
+const struct tegra_soctherm_soc tegra210b01_soctherm = {
+	.tsensors = tegra210b01_tsensors,
+	.num_tsensors = ARRAY_SIZE(tegra210b01_tsensors),
+	.ttgs = tegra210b01_tsensor_groups,
+	.num_ttgs = ARRAY_SIZE(tegra210b01_tsensor_groups),
+	.tfuse = &tegra210_soctherm_fuse,
+	.thresh_grain = TEGRA210_THRESH_GRAIN,
+	.bptt = TEGRA210_BPTT,
+	.use_ccroc = false,
+	.thermtrips = tegra210_tsensor_thermtrips,
+};

---
base-commit: 49362394dad7df66c274c867a271394c10ca2bb8
change-id: 20260714-t210b01-thermal-227e6cfd2574

Best regards,
-- 
Aaron Kling <webgeek1234@gmail.com>



^ permalink raw reply	[flat|nested] 2+ messages in thread

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2026-10-18 22:20 [PATCH] thermal: tegra: Add Tegra210B01 Support Aaron Kling via B4 Relay
2026-10-28  2:41 ` Mikko Perttunen

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