* [PATCH v5 1/5] dt-bindings: thermal: mediatek: Add LVTS thermal controller definition for mt8192
2023-10-17 18:55 [PATCH v5 0/5] Add LVTS support for mt8192 Bernhard Rosenkränzer
@ 2023-10-17 18:55 ` Bernhard Rosenkränzer
2023-10-17 18:55 ` [PATCH v5 2/5] thermal/drivers/mediatek/lvts_thermal: Add suspend and resume Bernhard Rosenkränzer
` (3 subsequent siblings)
4 siblings, 0 replies; 7+ messages in thread
From: Bernhard Rosenkränzer @ 2023-10-17 18:55 UTC (permalink / raw)
To: daniel.lezcano, angelogioacchino.delregno, rafael, amitk,
rui.zhang, matthias.bgg, robh+dt, krzysztof.kozlowski+dt, dunlap,
e.xingchen, p.zabel
Cc: linux-pm, linux-kernel, linux-arm-kernel, linux-mediatek,
devicetree, wenst, ames.lo, rex-bc.chen, nfraprado, abailon,
amergnat, khilman
From: Balsam CHIHI <bchihi@baylibre.com>
Add LVTS thermal controller definition for MT8192.
Signed-off-by: Balsam CHIHI <bchihi@baylibre.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Bernhard Rosenkränzer <bero@baylibre.com>
Reviewed-by: Matthias Brugger <matthias.bgg@gmail.com>
Reviewed-by: Alexandre Mergnat <amergnat@baylibre.com>
---
.../thermal/mediatek,lvts-thermal.h | 19 +++++++++++++++++++
1 file changed, 19 insertions(+)
diff --git a/include/dt-bindings/thermal/mediatek,lvts-thermal.h b/include/dt-bindings/thermal/mediatek,lvts-thermal.h
index 8fa5a46675c46..5e9eb62174268 100644
--- a/include/dt-bindings/thermal/mediatek,lvts-thermal.h
+++ b/include/dt-bindings/thermal/mediatek,lvts-thermal.h
@@ -26,4 +26,23 @@
#define MT8195_AP_CAM0 15
#define MT8195_AP_CAM1 16
+#define MT8192_MCU_BIG_CPU0 0
+#define MT8192_MCU_BIG_CPU1 1
+#define MT8192_MCU_BIG_CPU2 2
+#define MT8192_MCU_BIG_CPU3 3
+#define MT8192_MCU_LITTLE_CPU0 4
+#define MT8192_MCU_LITTLE_CPU1 5
+#define MT8192_MCU_LITTLE_CPU2 6
+#define MT8192_MCU_LITTLE_CPU3 7
+
+#define MT8192_AP_VPU0 8
+#define MT8192_AP_VPU1 9
+#define MT8192_AP_GPU0 10
+#define MT8192_AP_GPU1 11
+#define MT8192_AP_INFRA 12
+#define MT8192_AP_CAM 13
+#define MT8192_AP_MD0 14
+#define MT8192_AP_MD1 15
+#define MT8192_AP_MD2 16
+
#endif /* __MEDIATEK_LVTS_DT_H */
--
2.42.0
^ permalink raw reply related [flat|nested] 7+ messages in thread* [PATCH v5 2/5] thermal/drivers/mediatek/lvts_thermal: Add suspend and resume
2023-10-17 18:55 [PATCH v5 0/5] Add LVTS support for mt8192 Bernhard Rosenkränzer
2023-10-17 18:55 ` [PATCH v5 1/5] dt-bindings: thermal: mediatek: Add LVTS thermal controller definition " Bernhard Rosenkränzer
@ 2023-10-17 18:55 ` Bernhard Rosenkränzer
2023-10-17 18:55 ` [PATCH v5 3/5] thermal/drivers/mediatek/lvts_thermal: Add mt8192 support Bernhard Rosenkränzer
` (2 subsequent siblings)
4 siblings, 0 replies; 7+ messages in thread
From: Bernhard Rosenkränzer @ 2023-10-17 18:55 UTC (permalink / raw)
To: daniel.lezcano, angelogioacchino.delregno, rafael, amitk,
rui.zhang, matthias.bgg, robh+dt, krzysztof.kozlowski+dt, dunlap,
e.xingchen, p.zabel
Cc: linux-pm, linux-kernel, linux-arm-kernel, linux-mediatek,
devicetree, wenst, ames.lo, rex-bc.chen, nfraprado, abailon,
amergnat, khilman
From: Balsam CHIHI <bchihi@baylibre.com>
Add suspend and resume support to LVTS driver.
Signed-off-by: Balsam CHIHI <bchihi@baylibre.com>
[bero@baylibre.com: suspend/resume in noirq phase]
Co-developed-by: Bernhard Rosenkränzer <bero@baylibre.com>
Signed-off-by: Bernhard Rosenkränzer <bero@baylibre.com>
Reviewed-by: Matthias Brugger <matthias.bgg@gmail.com>
Reviewed-by: Alexandre Mergnat <amergnat@baylibre.com>
---
drivers/thermal/mediatek/lvts_thermal.c | 37 +++++++++++++++++++++++++
1 file changed, 37 insertions(+)
diff --git a/drivers/thermal/mediatek/lvts_thermal.c b/drivers/thermal/mediatek/lvts_thermal.c
index 877a0e5ac3fd3..c5a03bdf63e9d 100644
--- a/drivers/thermal/mediatek/lvts_thermal.c
+++ b/drivers/thermal/mediatek/lvts_thermal.c
@@ -1254,6 +1254,38 @@ static void lvts_remove(struct platform_device *pdev)
lvts_debugfs_exit(lvts_td);
}
+static int lvts_suspend(struct device *dev)
+{
+ struct lvts_domain *lvts_td;
+ int i;
+
+ lvts_td = dev_get_drvdata(dev);
+
+ for (i = 0; i < lvts_td->num_lvts_ctrl; i++)
+ lvts_ctrl_set_enable(&lvts_td->lvts_ctrl[i], false);
+
+ clk_disable_unprepare(lvts_td->clk);
+
+ return 0;
+}
+
+static int lvts_resume(struct device *dev)
+{
+ struct lvts_domain *lvts_td;
+ int i, ret;
+
+ lvts_td = dev_get_drvdata(dev);
+
+ ret = clk_prepare_enable(lvts_td->clk);
+ if (ret)
+ return ret;
+
+ for (i = 0; i < lvts_td->num_lvts_ctrl; i++)
+ lvts_ctrl_set_enable(&lvts_td->lvts_ctrl[i], true);
+
+ return 0;
+}
+
static const struct lvts_ctrl_data mt8195_lvts_mcu_data_ctrl[] = {
{
.cal_offset = { 0x04, 0x07 },
@@ -1350,12 +1382,17 @@ static const struct of_device_id lvts_of_match[] = {
};
MODULE_DEVICE_TABLE(of, lvts_of_match);
+static const struct dev_pm_ops lvts_pm_ops = {
+ NOIRQ_SYSTEM_SLEEP_PM_OPS(lvts_suspend, lvts_resume)
+};
+
static struct platform_driver lvts_driver = {
.probe = lvts_probe,
.remove_new = lvts_remove,
.driver = {
.name = "mtk-lvts-thermal",
.of_match_table = lvts_of_match,
+ .pm = &lvts_pm_ops,
},
};
module_platform_driver(lvts_driver);
--
2.42.0
^ permalink raw reply related [flat|nested] 7+ messages in thread* [PATCH v5 3/5] thermal/drivers/mediatek/lvts_thermal: Add mt8192 support
2023-10-17 18:55 [PATCH v5 0/5] Add LVTS support for mt8192 Bernhard Rosenkränzer
2023-10-17 18:55 ` [PATCH v5 1/5] dt-bindings: thermal: mediatek: Add LVTS thermal controller definition " Bernhard Rosenkränzer
2023-10-17 18:55 ` [PATCH v5 2/5] thermal/drivers/mediatek/lvts_thermal: Add suspend and resume Bernhard Rosenkränzer
@ 2023-10-17 18:55 ` Bernhard Rosenkränzer
2023-10-17 18:55 ` [PATCH v5 4/5] arm64: dts: mediatek: mt8192: Add thermal nodes and thermal zones Bernhard Rosenkränzer
2023-10-17 18:55 ` [PATCH v5 5/5] thermal/drivers/mediatek/lvts_thermal: Update calibration data documentation Bernhard Rosenkränzer
4 siblings, 0 replies; 7+ messages in thread
From: Bernhard Rosenkränzer @ 2023-10-17 18:55 UTC (permalink / raw)
To: daniel.lezcano, angelogioacchino.delregno, rafael, amitk,
rui.zhang, matthias.bgg, robh+dt, krzysztof.kozlowski+dt, dunlap,
e.xingchen, p.zabel
Cc: linux-pm, linux-kernel, linux-arm-kernel, linux-mediatek,
devicetree, wenst, ames.lo, rex-bc.chen, nfraprado, abailon,
amergnat, khilman
From: Balsam CHIHI <bchihi@baylibre.com>
Add LVTS Driver support for MT8192.
Co-developed-by: Nícolas F. R. A. Prado <nfraprado@collabora.com>
Signed-off-by: Nícolas F. R. A. Prado <nfraprado@collabora.com>
Signed-off-by: Balsam CHIHI <bchihi@baylibre.com>
Reviewed-by: Nícolas F. R. A. Prado <nfraprado@collabora.com>
[bero@baylibre.com: cosmetic changes, rebase]
Signed-off-by: Bernhard Rosenkränzer <bero@baylibre.com>
Reviewed-by: Matthias Brugger <matthias.bgg@gmail.com>
Reviewed-by: Alexandre Mergnat <amergnat@baylibre.com>
---
drivers/thermal/mediatek/lvts_thermal.c | 95 +++++++++++++++++++++++++
1 file changed, 95 insertions(+)
diff --git a/drivers/thermal/mediatek/lvts_thermal.c b/drivers/thermal/mediatek/lvts_thermal.c
index c5a03bdf63e9d..487401424951d 100644
--- a/drivers/thermal/mediatek/lvts_thermal.c
+++ b/drivers/thermal/mediatek/lvts_thermal.c
@@ -89,6 +89,7 @@
#define LVTS_MSR_READ_TIMEOUT_US 400
#define LVTS_MSR_READ_WAIT_US (LVTS_MSR_READ_TIMEOUT_US / 2)
+#define LVTS_HW_SHUTDOWN_MT8192 105000
#define LVTS_HW_SHUTDOWN_MT8195 105000
#define LVTS_MINIMUM_THRESHOLD 20000
@@ -1286,6 +1287,88 @@ static int lvts_resume(struct device *dev)
return 0;
}
+static const struct lvts_ctrl_data mt8192_lvts_mcu_data_ctrl[] = {
+ {
+ .cal_offset = { 0x04, 0x08 },
+ .lvts_sensor = {
+ { .dt_id = MT8192_MCU_BIG_CPU0 },
+ { .dt_id = MT8192_MCU_BIG_CPU1 }
+ },
+ .num_lvts_sensor = 2,
+ .offset = 0x0,
+ .hw_tshut_temp = LVTS_HW_SHUTDOWN_MT8192,
+ .mode = LVTS_MSR_FILTERED_MODE,
+ },
+ {
+ .cal_offset = { 0x0c, 0x10 },
+ .lvts_sensor = {
+ { .dt_id = MT8192_MCU_BIG_CPU2 },
+ { .dt_id = MT8192_MCU_BIG_CPU3 }
+ },
+ .num_lvts_sensor = 2,
+ .offset = 0x100,
+ .hw_tshut_temp = LVTS_HW_SHUTDOWN_MT8192,
+ .mode = LVTS_MSR_FILTERED_MODE,
+ },
+ {
+ .cal_offset = { 0x14, 0x18, 0x1c, 0x20 },
+ .lvts_sensor = {
+ { .dt_id = MT8192_MCU_LITTLE_CPU0 },
+ { .dt_id = MT8192_MCU_LITTLE_CPU1 },
+ { .dt_id = MT8192_MCU_LITTLE_CPU2 },
+ { .dt_id = MT8192_MCU_LITTLE_CPU3 }
+ },
+ .num_lvts_sensor = 4,
+ .offset = 0x200,
+ .hw_tshut_temp = LVTS_HW_SHUTDOWN_MT8192,
+ .mode = LVTS_MSR_FILTERED_MODE,
+ }
+};
+
+static const struct lvts_ctrl_data mt8192_lvts_ap_data_ctrl[] = {
+ {
+ .cal_offset = { 0x24, 0x28 },
+ .lvts_sensor = {
+ { .dt_id = MT8192_AP_VPU0 },
+ { .dt_id = MT8192_AP_VPU1 }
+ },
+ .num_lvts_sensor = 2,
+ .offset = 0x0,
+ .hw_tshut_temp = LVTS_HW_SHUTDOWN_MT8192,
+ },
+ {
+ .cal_offset = { 0x2c, 0x30 },
+ .lvts_sensor = {
+ { .dt_id = MT8192_AP_GPU0 },
+ { .dt_id = MT8192_AP_GPU1 }
+ },
+ .num_lvts_sensor = 2,
+ .offset = 0x100,
+ .hw_tshut_temp = LVTS_HW_SHUTDOWN_MT8192,
+ },
+ {
+ .cal_offset = { 0x34, 0x38 },
+ .lvts_sensor = {
+ { .dt_id = MT8192_AP_INFRA },
+ { .dt_id = MT8192_AP_CAM },
+ },
+ .num_lvts_sensor = 2,
+ .offset = 0x200,
+ .hw_tshut_temp = LVTS_HW_SHUTDOWN_MT8192,
+ },
+ {
+ .cal_offset = { 0x3c, 0x40, 0x44 },
+ .lvts_sensor = {
+ { .dt_id = MT8192_AP_MD0 },
+ { .dt_id = MT8192_AP_MD1 },
+ { .dt_id = MT8192_AP_MD2 }
+ },
+ .num_lvts_sensor = 3,
+ .offset = 0x300,
+ .hw_tshut_temp = LVTS_HW_SHUTDOWN_MT8192,
+ }
+};
+
static const struct lvts_ctrl_data mt8195_lvts_mcu_data_ctrl[] = {
{
.cal_offset = { 0x04, 0x07 },
@@ -1365,6 +1448,16 @@ static const struct lvts_ctrl_data mt8195_lvts_ap_data_ctrl[] = {
}
};
+static const struct lvts_data mt8192_lvts_mcu_data = {
+ .lvts_ctrl = mt8192_lvts_mcu_data_ctrl,
+ .num_lvts_ctrl = ARRAY_SIZE(mt8192_lvts_mcu_data_ctrl),
+};
+
+static const struct lvts_data mt8192_lvts_ap_data = {
+ .lvts_ctrl = mt8192_lvts_ap_data_ctrl,
+ .num_lvts_ctrl = ARRAY_SIZE(mt8192_lvts_ap_data_ctrl),
+};
+
static const struct lvts_data mt8195_lvts_mcu_data = {
.lvts_ctrl = mt8195_lvts_mcu_data_ctrl,
.num_lvts_ctrl = ARRAY_SIZE(mt8195_lvts_mcu_data_ctrl),
@@ -1376,6 +1469,8 @@ static const struct lvts_data mt8195_lvts_ap_data = {
};
static const struct of_device_id lvts_of_match[] = {
+ { .compatible = "mediatek,mt8192-lvts-mcu", .data = &mt8192_lvts_mcu_data },
+ { .compatible = "mediatek,mt8192-lvts-ap", .data = &mt8192_lvts_ap_data },
{ .compatible = "mediatek,mt8195-lvts-mcu", .data = &mt8195_lvts_mcu_data },
{ .compatible = "mediatek,mt8195-lvts-ap", .data = &mt8195_lvts_ap_data },
{},
--
2.42.0
^ permalink raw reply related [flat|nested] 7+ messages in thread* [PATCH v5 4/5] arm64: dts: mediatek: mt8192: Add thermal nodes and thermal zones
2023-10-17 18:55 [PATCH v5 0/5] Add LVTS support for mt8192 Bernhard Rosenkränzer
` (2 preceding siblings ...)
2023-10-17 18:55 ` [PATCH v5 3/5] thermal/drivers/mediatek/lvts_thermal: Add mt8192 support Bernhard Rosenkränzer
@ 2023-10-17 18:55 ` Bernhard Rosenkränzer
2023-10-17 18:55 ` [PATCH v5 5/5] thermal/drivers/mediatek/lvts_thermal: Update calibration data documentation Bernhard Rosenkränzer
4 siblings, 0 replies; 7+ messages in thread
From: Bernhard Rosenkränzer @ 2023-10-17 18:55 UTC (permalink / raw)
To: daniel.lezcano, angelogioacchino.delregno, rafael, amitk,
rui.zhang, matthias.bgg, robh+dt, krzysztof.kozlowski+dt, dunlap,
e.xingchen, p.zabel
Cc: linux-pm, linux-kernel, linux-arm-kernel, linux-mediatek,
devicetree, wenst, ames.lo, rex-bc.chen, nfraprado, abailon,
amergnat, khilman
From: Balsam CHIHI <bchihi@baylibre.com>
Add thermal nodes and thermal zones for the mt8192.
The mt8192 SoC has several hotspots around the CPUs.
Specify the targeted temperature threshold to apply the mitigation
and define the associated cooling devices.
Signed-off-by: Balsam CHIHI <bchihi@baylibre.com>
Reviewed-by: Nícolas F. R. A. Prado <nfraprado@collabora.com>
[bero@baylibre.com: cosmetic changes, reduce lvts_ap size]
Signed-off-by: Bernhard Rosenkränzer <bero@baylibre.com>
Reviewed-by: Alexandre Mergnat <amergnat@baylibre.com>
---
arch/arm64/boot/dts/mediatek/mt8192.dtsi | 454 +++++++++++++++++++++++
1 file changed, 454 insertions(+)
diff --git a/arch/arm64/boot/dts/mediatek/mt8192.dtsi b/arch/arm64/boot/dts/mediatek/mt8192.dtsi
index 69f4cded5dbbf..238f6eb258323 100644
--- a/arch/arm64/boot/dts/mediatek/mt8192.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt8192.dtsi
@@ -14,6 +14,8 @@
#include <dt-bindings/phy/phy.h>
#include <dt-bindings/power/mt8192-power.h>
#include <dt-bindings/reset/mt8192-resets.h>
+#include <dt-bindings/thermal/thermal.h>
+#include <dt-bindings/thermal/mediatek,lvts-thermal.h>
/ {
compatible = "mediatek,mt8192";
@@ -72,6 +74,7 @@ cpu0: cpu@0 {
next-level-cache = <&l2_0>;
performance-domains = <&performance 0>;
capacity-dmips-mhz = <427>;
+ #cooling-cells = <2>;
};
cpu1: cpu@100 {
@@ -90,6 +93,7 @@ cpu1: cpu@100 {
next-level-cache = <&l2_0>;
performance-domains = <&performance 0>;
capacity-dmips-mhz = <427>;
+ #cooling-cells = <2>;
};
cpu2: cpu@200 {
@@ -108,6 +112,7 @@ cpu2: cpu@200 {
next-level-cache = <&l2_0>;
performance-domains = <&performance 0>;
capacity-dmips-mhz = <427>;
+ #cooling-cells = <2>;
};
cpu3: cpu@300 {
@@ -126,6 +131,7 @@ cpu3: cpu@300 {
next-level-cache = <&l2_0>;
performance-domains = <&performance 0>;
capacity-dmips-mhz = <427>;
+ #cooling-cells = <2>;
};
cpu4: cpu@400 {
@@ -144,6 +150,7 @@ cpu4: cpu@400 {
next-level-cache = <&l2_1>;
performance-domains = <&performance 1>;
capacity-dmips-mhz = <1024>;
+ #cooling-cells = <2>;
};
cpu5: cpu@500 {
@@ -162,6 +169,7 @@ cpu5: cpu@500 {
next-level-cache = <&l2_1>;
performance-domains = <&performance 1>;
capacity-dmips-mhz = <1024>;
+ #cooling-cells = <2>;
};
cpu6: cpu@600 {
@@ -180,6 +188,7 @@ cpu6: cpu@600 {
next-level-cache = <&l2_1>;
performance-domains = <&performance 1>;
capacity-dmips-mhz = <1024>;
+ #cooling-cells = <2>;
};
cpu7: cpu@700 {
@@ -198,6 +207,7 @@ cpu7: cpu@700 {
next-level-cache = <&l2_1>;
performance-domains = <&performance 1>;
capacity-dmips-mhz = <1024>;
+ #cooling-cells = <2>;
};
cpu-map {
@@ -788,6 +798,17 @@ spi0: spi@1100a000 {
status = "disabled";
};
+ lvts_ap: thermal-sensor@1100b000 {
+ compatible = "mediatek,mt8192-lvts-ap";
+ reg = <0 0x1100b000 0 0xc00>;
+ interrupts = <GIC_SPI 169 IRQ_TYPE_LEVEL_HIGH 0>;
+ clocks = <&infracfg CLK_INFRA_THERM>;
+ resets = <&infracfg MT8192_INFRA_RST0_THERM_CTRL_SWRST>;
+ nvmem-cells = <&lvts_e_data1>;
+ nvmem-cell-names = "lvts-calib-data-1";
+ #thermal-sensor-cells = <1>;
+ };
+
pwm0: pwm@1100e000 {
compatible = "mediatek,mt8183-disp-pwm";
reg = <0 0x1100e000 0 0x1000>;
@@ -1114,6 +1135,17 @@ nor_flash: spi@11234000 {
status = "disabled";
};
+ lvts_mcu: thermal-sensor@11278000 {
+ compatible = "mediatek,mt8192-lvts-mcu";
+ reg = <0 0x11278000 0 0x1000>;
+ interrupts = <GIC_SPI 170 IRQ_TYPE_LEVEL_HIGH 0>;
+ clocks = <&infracfg CLK_INFRA_THERM>;
+ resets = <&infracfg MT8192_INFRA_RST4_THERM_CTRL_MCU_SWRST>;
+ nvmem-cells = <&lvts_e_data1>;
+ nvmem-cell-names = "lvts-calib-data-1";
+ #thermal-sensor-cells = <1>;
+ };
+
efuse: efuse@11c10000 {
compatible = "mediatek,mt8192-efuse", "mediatek,efuse";
reg = <0 0x11c10000 0 0x1000>;
@@ -1899,4 +1931,426 @@ larb2: larb@1f002000 {
power-domains = <&spm MT8192_POWER_DOMAIN_MDP>;
};
};
+
+ thermal_zones: thermal-zones {
+ cpu0-thermal {
+ polling-delay = <1000>;
+ polling-delay-passive = <250>;
+ thermal-sensors = <&lvts_mcu MT8192_MCU_LITTLE_CPU0>;
+
+ trips {
+ cpu0_alert: trip-alert {
+ temperature = <85000>;
+ hysteresis = <2000>;
+ type = "passive";
+ };
+
+ cpu0_crit: trip-crit {
+ temperature = <100000>;
+ hysteresis = <2000>;
+ type = "critical";
+ };
+ };
+
+ cooling-maps {
+ map0 {
+ trip = <&cpu0_alert>;
+ cooling-device = <&cpu0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+ <&cpu1 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+ <&cpu2 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+ <&cpu3 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
+ };
+ };
+ };
+
+ cpu1-thermal {
+ polling-delay = <1000>;
+ polling-delay-passive = <250>;
+ thermal-sensors = <&lvts_mcu MT8192_MCU_LITTLE_CPU1>;
+
+ trips {
+ cpu1_alert: trip-alert {
+ temperature = <85000>;
+ hysteresis = <2000>;
+ type = "passive";
+ };
+
+ cpu1_crit: trip-crit {
+ temperature = <100000>;
+ hysteresis = <2000>;
+ type = "critical";
+ };
+ };
+
+ cooling-maps {
+ map0 {
+ trip = <&cpu1_alert>;
+ cooling-device = <&cpu0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+ <&cpu1 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+ <&cpu2 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+ <&cpu3 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
+ };
+ };
+ };
+
+ cpu2-thermal {
+ polling-delay = <1000>;
+ polling-delay-passive = <250>;
+ thermal-sensors = <&lvts_mcu MT8192_MCU_LITTLE_CPU2>;
+
+ trips {
+ cpu2_alert: trip-alert {
+ temperature = <85000>;
+ hysteresis = <2000>;
+ type = "passive";
+ };
+
+ cpu2_crit: trip-crit {
+ temperature = <100000>;
+ hysteresis = <2000>;
+ type = "critical";
+ };
+ };
+
+ cooling-maps {
+ map0 {
+ trip = <&cpu2_alert>;
+ cooling-device = <&cpu0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+ <&cpu1 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+ <&cpu2 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+ <&cpu3 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
+ };
+ };
+ };
+
+ cpu3-thermal {
+ polling-delay = <1000>;
+ polling-delay-passive = <250>;
+ thermal-sensors = <&lvts_mcu MT8192_MCU_LITTLE_CPU3>;
+
+ trips {
+ cpu3_alert: trip-alert {
+ temperature = <85000>;
+ hysteresis = <2000>;
+ type = "passive";
+ };
+
+ cpu3_crit: trip-crit {
+ temperature = <100000>;
+ hysteresis = <2000>;
+ type = "critical";
+ };
+ };
+
+ cooling-maps {
+ map0 {
+ trip = <&cpu3_alert>;
+ cooling-device = <&cpu0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+ <&cpu1 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+ <&cpu2 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+ <&cpu3 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
+ };
+ };
+ };
+
+ cpu4-thermal {
+ polling-delay = <1000>;
+ polling-delay-passive = <250>;
+ thermal-sensors = <&lvts_mcu MT8192_MCU_BIG_CPU0>;
+
+ trips {
+ cpu4_alert: trip-alert {
+ temperature = <85000>;
+ hysteresis = <2000>;
+ type = "passive";
+ };
+
+ cpu4_crit: trip-crit {
+ temperature = <100000>;
+ hysteresis = <2000>;
+ type = "critical";
+ };
+ };
+
+ cooling-maps {
+ map0 {
+ trip = <&cpu4_alert>;
+ cooling-device = <&cpu4 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+ <&cpu5 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+ <&cpu6 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+ <&cpu7 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
+ };
+ };
+ };
+
+ cpu5-thermal {
+ polling-delay = <1000>;
+ polling-delay-passive = <250>;
+ thermal-sensors = <&lvts_mcu MT8192_MCU_BIG_CPU1>;
+
+ trips {
+ cpu5_alert: trip-alert {
+ temperature = <85000>;
+ hysteresis = <2000>;
+ type = "passive";
+ };
+
+ cpu5_crit: trip-crit {
+ temperature = <100000>;
+ hysteresis = <2000>;
+ type = "critical";
+ };
+ };
+
+ cooling-maps {
+ map0 {
+ trip = <&cpu5_alert>;
+ cooling-device = <&cpu4 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+ <&cpu5 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+ <&cpu6 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+ <&cpu7 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
+ };
+ };
+ };
+
+ cpu6-thermal {
+ polling-delay = <1000>;
+ polling-delay-passive = <250>;
+ thermal-sensors = <&lvts_mcu MT8192_MCU_BIG_CPU2>;
+
+ trips {
+ cpu6_alert: trip-alert {
+ temperature = <85000>;
+ hysteresis = <2000>;
+ type = "passive";
+ };
+
+ cpu6_crit: trip-crit {
+ temperature = <100000>;
+ hysteresis = <2000>;
+ type = "critical";
+ };
+ };
+
+ cooling-maps {
+ map0 {
+ trip = <&cpu6_alert>;
+ cooling-device = <&cpu4 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+ <&cpu5 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+ <&cpu6 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+ <&cpu7 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
+ };
+ };
+ };
+
+ cpu7-thermal {
+ polling-delay = <1000>;
+ polling-delay-passive = <250>;
+ thermal-sensors = <&lvts_mcu MT8192_MCU_BIG_CPU3>;
+
+ trips {
+ cpu7_alert: trip-alert {
+ temperature = <85000>;
+ hysteresis = <2000>;
+ type = "passive";
+ };
+
+ cpu7_crit: trip-crit {
+ temperature = <100000>;
+ hysteresis = <2000>;
+ type = "critical";
+ };
+ };
+
+ cooling-maps {
+ map0 {
+ trip = <&cpu7_alert>;
+ cooling-device = <&cpu4 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+ <&cpu5 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+ <&cpu6 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+ <&cpu7 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
+ };
+ };
+ };
+
+ vpu0-thermal {
+ polling-delay = <1000>;
+ polling-delay-passive = <250>;
+ thermal-sensors = <&lvts_ap MT8192_AP_VPU0>;
+
+ trips {
+ vpu0_alert: trip-alert {
+ temperature = <85000>;
+ hysteresis = <2000>;
+ type = "passive";
+ };
+
+ vpu0_crit: trip-crit {
+ temperature = <100000>;
+ hysteresis = <2000>;
+ type = "critical";
+ };
+ };
+ };
+
+ vpu1-thermal {
+ polling-delay = <1000>;
+ polling-delay-passive = <250>;
+ thermal-sensors = <&lvts_ap MT8192_AP_VPU1>;
+
+ trips {
+ vpu1_alert: trip-alert {
+ temperature = <85000>;
+ hysteresis = <2000>;
+ type = "passive";
+ };
+
+ vpu1_crit: trip-crit {
+ temperature = <100000>;
+ hysteresis = <2000>;
+ type = "critical";
+ };
+ };
+ };
+
+ gpu0-thermal {
+ polling-delay = <1000>;
+ polling-delay-passive = <250>;
+ thermal-sensors = <&lvts_ap MT8192_AP_GPU0>;
+
+ trips {
+ gpu0_alert: trip-alert {
+ temperature = <85000>;
+ hysteresis = <2000>;
+ type = "passive";
+ };
+
+ gpu0_crit: trip-crit {
+ temperature = <100000>;
+ hysteresis = <2000>;
+ type = "critical";
+ };
+ };
+ };
+
+ gpu1-thermal {
+ polling-delay = <1000>;
+ polling-delay-passive = <250>;
+ thermal-sensors = <&lvts_ap MT8192_AP_GPU1>;
+
+ trips {
+ gpu1_alert: trip-alert {
+ temperature = <85000>;
+ hysteresis = <2000>;
+ type = "passive";
+ };
+
+ gpu1_crit: trip-crit {
+ temperature = <100000>;
+ hysteresis = <2000>;
+ type = "critical";
+ };
+ };
+ };
+
+ infra-thermal {
+ polling-delay = <1000>;
+ polling-delay-passive = <250>;
+ thermal-sensors = <&lvts_ap MT8192_AP_INFRA>;
+
+ trips {
+ infra_alert: trip-alert {
+ temperature = <85000>;
+ hysteresis = <2000>;
+ type = "passive";
+ };
+
+ infra_crit: trip-crit {
+ temperature = <100000>;
+ hysteresis = <2000>;
+ type = "critical";
+ };
+ };
+ };
+
+ cam-thermal {
+ polling-delay = <1000>;
+ polling-delay-passive = <250>;
+ thermal-sensors = <&lvts_ap MT8192_AP_CAM>;
+
+ trips {
+ cam_alert: trip-alert {
+ temperature = <85000>;
+ hysteresis = <2000>;
+ type = "passive";
+ };
+
+ cam_crit: trip-crit {
+ temperature = <100000>;
+ hysteresis = <2000>;
+ type = "critical";
+ };
+ };
+ };
+
+ md0-thermal {
+ polling-delay = <1000>;
+ polling-delay-passive = <250>;
+ thermal-sensors = <&lvts_ap MT8192_AP_MD0>;
+
+ trips {
+ md0_alert: trip-alert {
+ temperature = <85000>;
+ hysteresis = <2000>;
+ type = "passive";
+ };
+
+ md0_crit: trip-crit {
+ temperature = <100000>;
+ hysteresis = <2000>;
+ type = "critical";
+ };
+ };
+ };
+
+ md1-thermal {
+ polling-delay = <1000>;
+ polling-delay-passive = <250>;
+ thermal-sensors = <&lvts_ap MT8192_AP_MD1>;
+
+ trips {
+ md1_alert: trip-alert {
+ temperature = <85000>;
+ hysteresis = <2000>;
+ type = "passive";
+ };
+
+ md1_crit: trip-crit {
+ temperature = <100000>;
+ hysteresis = <2000>;
+ type = "critical";
+ };
+ };
+ };
+
+ md2-thermal {
+ polling-delay = <1000>;
+ polling-delay-passive = <250>;
+ thermal-sensors = <&lvts_ap MT8192_AP_MD2>;
+
+ trips {
+ md2_alert: trip-alert {
+ temperature = <85000>;
+ hysteresis = <2000>;
+ type = "passive";
+ };
+
+ md2_crit: trip-crit {
+ temperature = <100000>;
+ hysteresis = <2000>;
+ type = "critical";
+ };
+ };
+ };
+ };
};
--
2.42.0
^ permalink raw reply related [flat|nested] 7+ messages in thread* [PATCH v5 5/5] thermal/drivers/mediatek/lvts_thermal: Update calibration data documentation
2023-10-17 18:55 [PATCH v5 0/5] Add LVTS support for mt8192 Bernhard Rosenkränzer
` (3 preceding siblings ...)
2023-10-17 18:55 ` [PATCH v5 4/5] arm64: dts: mediatek: mt8192: Add thermal nodes and thermal zones Bernhard Rosenkränzer
@ 2023-10-17 18:55 ` Bernhard Rosenkränzer
4 siblings, 0 replies; 7+ messages in thread
From: Bernhard Rosenkränzer @ 2023-10-17 18:55 UTC (permalink / raw)
To: daniel.lezcano, angelogioacchino.delregno, rafael, amitk,
rui.zhang, matthias.bgg, robh+dt, krzysztof.kozlowski+dt, dunlap,
e.xingchen, p.zabel
Cc: linux-pm, linux-kernel, linux-arm-kernel, linux-mediatek,
devicetree, wenst, ames.lo, rex-bc.chen, nfraprado, abailon,
amergnat, khilman
From: Balsam CHIHI <bchihi@baylibre.com>
Update LVTS calibration data documentation for mt8192 and mt8195.
Signed-off-by: Balsam CHIHI <bchihi@baylibre.com>
Reviewed-by: Nícolas F. R. A. Prado <nfraprado@collabora.com>
[bero@baylibre.com: Fix issues pointed out by Nícolas F. R. A. Prado <nfraprado@collabora.com>]
Signed-off-by: Bernhard Rosenkränzer <bero@baylibre.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Reviewed-by: Alexandre Mergnat <amergnat@baylibre.com>
---
drivers/thermal/mediatek/lvts_thermal.c | 31 +++++++++++++++++++++++--
1 file changed, 29 insertions(+), 2 deletions(-)
diff --git a/drivers/thermal/mediatek/lvts_thermal.c b/drivers/thermal/mediatek/lvts_thermal.c
index 487401424951d..15fcf573f5cc5 100644
--- a/drivers/thermal/mediatek/lvts_thermal.c
+++ b/drivers/thermal/mediatek/lvts_thermal.c
@@ -604,7 +604,34 @@ static int lvts_sensor_init(struct device *dev, struct lvts_ctrl *lvts_ctrl,
* The efuse blob values follows the sensor enumeration per thermal
* controller. The decoding of the stream is as follow:
*
- * stream index map for MCU Domain :
+ * MT8192 :
+ * Stream index map for MCU Domain mt8192 :
+ *
+ * <-----mcu-tc#0-----> <-----sensor#0-----> <-----sensor#1----->
+ * 0x01 | 0x02 | 0x03 | 0x04 | 0x05 | 0x06 | 0x07 | 0x08 | 0x09 | 0x0A | 0x0B
+ *
+ * <-----sensor#2-----> <-----sensor#3----->
+ * 0x0C | 0x0D | 0x0E | 0x0F | 0x10 | 0x11 | 0x12 | 0x13
+ *
+ * <-----sensor#4-----> <-----sensor#5-----> <-----sensor#6-----> <-----sensor#7----->
+ * 0x14 | 0x15 | 0x16 | 0x17 | 0x18 | 0x19 | 0x1A | 0x1B | 0x1C | 0x1D | 0x1E | 0x1F | 0x20 | 0x21 | 0x22 | 0x23
+ *
+ * Stream index map for AP Domain mt8192 :
+ *
+ * <-----sensor#0-----> <-----sensor#1----->
+ * 0x24 | 0x25 | 0x26 | 0x27 | 0x28 | 0x29 | 0x2A | 0x2B
+ *
+ * <-----sensor#2-----> <-----sensor#3----->
+ * 0x2C | 0x2D | 0x2E | 0x2F | 0x30 | 0x31 | 0x32 | 0x33
+ *
+ * <-----sensor#4-----> <-----sensor#5----->
+ * 0x34 | 0x35 | 0x36 | 0x37 | 0x38 | 0x39 | 0x3A | 0x3B
+ *
+ * <-----sensor#6-----> <-----sensor#7-----> <-----sensor#8----->
+ * 0x3C | 0x3D | 0x3E | 0x3F | 0x40 | 0x41 | 0x42 | 0x43 | 0x44 | 0x45 | 0x46 | 0x47
+ *
+ * MT8195 :
+ * Stream index map for MCU Domain mt8195 :
*
* <-----mcu-tc#0-----> <-----sensor#0-----> <-----sensor#1----->
* 0x01 | 0x02 | 0x03 | 0x04 | 0x05 | 0x06 | 0x07 | 0x08 | 0x09
@@ -615,7 +642,7 @@ static int lvts_sensor_init(struct device *dev, struct lvts_ctrl *lvts_ctrl,
* <-----mcu-tc#2-----> <-----sensor#4-----> <-----sensor#5-----> <-----sensor#6-----> <-----sensor#7----->
* 0x13 | 0x14 | 0x15 | 0x16 | 0x17 | 0x18 | 0x19 | 0x1A | 0x1B | 0x1C | 0x1D | 0x1E | 0x1F | 0x20 | 0x21
*
- * stream index map for AP Domain :
+ * Stream index map for AP Domain mt8195 :
*
* <-----ap--tc#0-----> <-----sensor#0-----> <-----sensor#1----->
* 0x22 | 0x23 | 0x24 | 0x25 | 0x26 | 0x27 | 0x28 | 0x29 | 0x2A
--
2.42.0
^ permalink raw reply related [flat|nested] 7+ messages in thread