diff options
| author | Balsam CHIHI <bchihi@baylibre.com> | 2023-10-17 21:05:42 +0200 |
|---|---|---|
| committer | Daniel Lezcano <daniel.lezcano@linaro.org> | 2023-10-19 02:41:17 +0200 |
| commit | 8137bb90600d70eda524854ce3047a5681988dd6 (patch) | |
| tree | e505a8a149c831e9024af6fa33df8fffa8c66932 /drivers/thermal | |
| parent | 0bb4937b58ab712f158588376dbac97f8e9df68e (diff) | |
| download | linux-8137bb90600d70eda524854ce3047a5681988dd6.tar.gz | |
thermal/drivers/mediatek/lvts_thermal: Add suspend and resume
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
Diffstat (limited to 'drivers/thermal')
| -rw-r--r-- | drivers/thermal/mediatek/lvts_thermal.c | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/drivers/thermal/mediatek/lvts_thermal.c b/drivers/thermal/mediatek/lvts_thermal.c index 704b22d12e274..4ac6ae37a1ee3 100644 --- a/drivers/thermal/mediatek/lvts_thermal.c +++ b/drivers/thermal/mediatek/lvts_thermal.c @@ -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); |