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thermal/drivers/mediatek/lvts_thermal: Add suspend and resume

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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>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/20231017190545.157282-3-bero@baylibre.com
This commit is contained in:
Balsam CHIHI 2023-10-17 21:05:42 +02:00 committed by Daniel Lezcano
parent 0bb4937b58
commit 8137bb9060
1 changed files with 37 additions and 0 deletions
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37
drivers/thermal/mediatek/lvts_thermal.c
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@ -1297,6 +1297,38 @@ static const struct lvts_ctrl_data mt7988_lvts_ap_data_ctrl[] = {
}
};
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 },
@ -1405,12 +1437,17 @@ 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);