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path: root/drivers/thermal/tegra/soctherm.c
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Diffstat (limited to 'drivers/thermal/tegra/soctherm.c')
-rw-r--r--drivers/thermal/tegra/soctherm.c99
1 files changed, 49 insertions, 50 deletions
diff --git a/drivers/thermal/tegra/soctherm.c b/drivers/thermal/tegra/soctherm.c
index 1efe470f31e9..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
@@ -423,7 +430,7 @@ static int translate_temp(u16 val)
static int tegra_thermctl_get_temp(struct thermal_zone_device *tz, int *out_temp)
{
- struct tegra_thermctl_zone *zone = tz->devdata;
+ struct tegra_thermctl_zone *zone = thermal_zone_device_priv(tz);
u32 val;
val = readl(zone->reg);
@@ -582,23 +589,18 @@ static int tsensor_group_thermtrip_get(struct tegra_soctherm *ts, int id)
return temp;
}
-static int tegra_thermctl_set_trip_temp(struct thermal_zone_device *tz, int trip, int temp)
+static int tegra_thermctl_set_trip_temp(struct thermal_zone_device *tz,
+ const struct thermal_trip *trip, int temp)
{
- struct tegra_thermctl_zone *zone = tz->devdata;
+ struct tegra_thermctl_zone *zone = thermal_zone_device_priv(tz);
struct tegra_soctherm *ts = zone->ts;
const struct tegra_tsensor_group *sg = zone->sg;
struct device *dev = zone->dev;
- enum thermal_trip_type type;
- int ret;
if (!tz)
return -EINVAL;
- ret = tz->ops->get_trip_type(tz, trip, &type);
- if (ret)
- return ret;
-
- if (type == THERMAL_TRIP_CRITICAL) {
+ if (trip->type == THERMAL_TRIP_CRITICAL) {
/*
* If thermtrips property is set in DT,
* doesn't need to program critical type trip to HW,
@@ -609,7 +611,7 @@ static int tegra_thermctl_set_trip_temp(struct thermal_zone_device *tz, int trip
else
return 0;
- } else if (type == THERMAL_TRIP_HOT) {
+ } else if (trip->type == THERMAL_TRIP_HOT) {
int i;
for (i = 0; i < THROTTLE_SIZE; i++) {
@@ -620,7 +622,7 @@ static int tegra_thermctl_set_trip_temp(struct thermal_zone_device *tz, int trip
continue;
cdev = ts->throt_cfgs[i].cdev;
- if (get_thermal_instance(tz, cdev, trip))
+ if (thermal_trip_is_bound_to_cdev(tz, trip, cdev))
stc = find_throttle_cfg_by_name(ts, cdev->type);
else
continue;
@@ -658,7 +660,7 @@ static void thermal_irq_disable(struct tegra_thermctl_zone *zn)
static int tegra_thermctl_set_trips(struct thermal_zone_device *tz, int lo, int hi)
{
- struct tegra_thermctl_zone *zone = tz->devdata;
+ struct tegra_thermctl_zone *zone = thermal_zone_device_priv(tz);
u32 r;
thermal_irq_disable(zone);
@@ -687,29 +689,25 @@ static const struct thermal_zone_device_ops tegra_of_thermal_ops = {
.set_trips = tegra_thermctl_set_trips,
};
-static int get_hot_temp(struct thermal_zone_device *tz, int *trip, int *temp)
+static int get_hot_trip_cb(struct thermal_trip *trip, void *arg)
{
- int ntrips, i, ret;
- enum thermal_trip_type type;
+ const struct thermal_trip **trip_ret = arg;
- ntrips = of_thermal_get_ntrips(tz);
- if (ntrips <= 0)
- return -EINVAL;
+ if (trip->type != THERMAL_TRIP_HOT)
+ return 0;
- for (i = 0; i < ntrips; i++) {
- ret = tz->ops->get_trip_type(tz, i, &type);
- if (ret)
- return -EINVAL;
- if (type == THERMAL_TRIP_HOT) {
- ret = tz->ops->get_trip_temp(tz, i, temp);
- if (!ret)
- *trip = i;
+ *trip_ret = trip;
+ /* Return nonzero to terminate the search. */
+ return 1;
+}
- return ret;
- }
- }
+static const struct thermal_trip *get_hot_trip(struct thermal_zone_device *tz)
+{
+ const struct thermal_trip *trip = NULL;
- return -EINVAL;
+ thermal_zone_for_each_trip(tz, get_hot_trip_cb, &trip);
+
+ return trip;
}
/**
@@ -741,13 +739,14 @@ static int tegra_soctherm_set_hwtrips(struct device *dev,
struct thermal_zone_device *tz)
{
struct tegra_soctherm *ts = dev_get_drvdata(dev);
+ const struct thermal_trip *hot_trip;
struct soctherm_throt_cfg *stc;
- int i, trip, temperature, ret;
+ int i, temperature, ret;
/* Get thermtrips. If missing, try to get critical trips. */
temperature = tsensor_group_thermtrip_get(ts, sg->id);
if (min_low_temp == temperature)
- if (tz->ops->get_crit_temp(tz, &temperature))
+ if (thermal_zone_get_crit_temp(tz, &temperature))
temperature = max_high_temp;
ret = thermtrip_program(dev, sg, temperature);
@@ -759,8 +758,8 @@ static int tegra_soctherm_set_hwtrips(struct device *dev,
dev_info(dev, "thermtrip: will shut down when %s reaches %d mC\n",
sg->name, temperature);
- ret = get_hot_temp(tz, &trip, &temperature);
- if (ret) {
+ hot_trip = get_hot_trip(tz);
+ if (!hot_trip) {
dev_info(dev, "throttrip: %s: missing hot temperature\n",
sg->name);
return 0;
@@ -773,7 +772,7 @@ static int tegra_soctherm_set_hwtrips(struct device *dev,
continue;
cdev = ts->throt_cfgs[i].cdev;
- if (get_thermal_instance(tz, cdev, trip))
+ if (thermal_trip_is_bound_to_cdev(tz, hot_trip, cdev))
stc = find_throttle_cfg_by_name(ts, cdev->type);
else
continue;
@@ -1214,7 +1213,7 @@ static const struct irq_domain_ops soctherm_oc_domain_ops = {
/**
* soctherm_oc_int_init() - Initial enabling of the over
* current interrupts
- * @np: The devicetree node for soctherm
+ * @fwnode: The devicetree node for soctherm
* @num_irqs: The number of new interrupt requests
*
* Sets the over current interrupt request chip data
@@ -1223,7 +1222,7 @@ static const struct irq_domain_ops soctherm_oc_domain_ops = {
* -ENOMEM (out of memory), or irq_base if the function failed to
* allocate the irqs
*/
-static int soctherm_oc_int_init(struct device_node *np, int num_irqs)
+static int soctherm_oc_int_init(struct fwnode_handle *fwnode, int num_irqs)
{
if (!num_irqs) {
pr_info("%s(): OC interrupts are not enabled\n", __func__);
@@ -1242,10 +1241,8 @@ static int soctherm_oc_int_init(struct device_node *np, int num_irqs)
soc_irq_cdata.irq_chip.irq_set_type = soctherm_oc_irq_set_type;
soc_irq_cdata.irq_chip.irq_set_wake = NULL;
- soc_irq_cdata.domain = irq_domain_add_linear(np, num_irqs,
- &soctherm_oc_domain_ops,
- &soc_irq_cdata);
-
+ soc_irq_cdata.domain = irq_domain_create_linear(fwnode, num_irqs, &soctherm_oc_domain_ops,
+ &soc_irq_cdata);
if (!soc_irq_cdata.domain) {
pr_err("%s: Failed to create IRQ domain\n", __func__);
return -ENOMEM;
@@ -1659,7 +1656,7 @@ static void soctherm_init_hw_throt_cdev(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
struct tegra_soctherm *ts = dev_get_drvdata(dev);
- struct device_node *np_stc, *np_stcc;
+ struct device_node *np_stc;
const char *name;
int i;
@@ -1676,7 +1673,7 @@ static void soctherm_init_hw_throt_cdev(struct platform_device *pdev)
return;
}
- for_each_child_of_node(np_stc, np_stcc) {
+ for_each_child_of_node_scoped(np_stc, np_stcc) {
struct soctherm_throt_cfg *stc;
struct thermal_cooling_device *tcd;
int err;
@@ -1691,7 +1688,6 @@ static void soctherm_init_hw_throt_cdev(struct platform_device *pdev)
if (stc->init) {
dev_err(dev, "throttle-cfg: %s: redefined!\n", name);
- of_node_put(np_stcc);
break;
}
@@ -1977,10 +1973,9 @@ static void tegra_soctherm_throttle(struct device *dev)
static int soctherm_interrupts_init(struct platform_device *pdev,
struct tegra_soctherm *tegra)
{
- struct device_node *np = pdev->dev.of_node;
int ret;
- ret = soctherm_oc_int_init(np, TEGRA_SOC_OC_IRQ_MAX);
+ ret = soctherm_oc_int_init(dev_fwnode(&pdev->dev), TEGRA_SOC_OC_IRQ_MAX);
if (ret < 0) {
dev_err(&pdev->dev, "soctherm_oc_int_init failed\n");
return ret;
@@ -2057,6 +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",
@@ -2224,15 +2225,13 @@ disable_clocks:
return err;
}
-static int tegra_soctherm_remove(struct platform_device *pdev)
+static void tegra_soctherm_remove(struct platform_device *pdev)
{
struct tegra_soctherm *tegra = platform_get_drvdata(pdev);
debugfs_remove_recursive(tegra->debugfs_dir);
soctherm_clk_enable(pdev, false);
-
- return 0;
}
static int __maybe_unused soctherm_suspend(struct device *dev)
generated by cgit (git 2.34.1) at 2025-12-25 18:02:33 +0000