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authorFrank Wunderlich <frank-w@public-files.de>2023-09-22 08:50:20 +0300
committerDaniel Lezcano <daniel.lezcano@linaro.org>2023-10-16 00:40:09 +0300
commit585e92e6a79f2de0e9356ee399891a5fa3c0fbbf (patch)
treebc57659c03f75a119d8f5480e4310530a915da99 /drivers/thermal
parent6725a29321e48b1dece66fc1ba7b458f0c1d6d77 (diff)
downloadlinux-585e92e6a79f2de0e9356ee399891a5fa3c0fbbf.tar.xz
thermal/drivers/mediatek/lvts_thermal: Add mt7988 support
Add Support for Mediatek Filogic 880/MT7988 LVTS. Signed-off-by: Frank Wunderlich <frank-w@public-files.de> Tested-by: Daniel Golle <daniel@makrotopia.org> Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org> Link: https://lore.kernel.org/r/20230922055020.6436-5-linux@fw-web.de
Diffstat (limited to 'drivers/thermal')
-rw-r--r--drivers/thermal/mediatek/lvts_thermal.c38
1 files changed, 38 insertions, 0 deletions
diff --git a/drivers/thermal/mediatek/lvts_thermal.c b/drivers/thermal/mediatek/lvts_thermal.c
index f9dcc50f4fd4..f1feaa1ace2e 100644
--- a/drivers/thermal/mediatek/lvts_thermal.c
+++ b/drivers/thermal/mediatek/lvts_thermal.c
@@ -82,6 +82,8 @@
#define LVTS_GOLDEN_TEMP_DEFAULT 50
#define LVTS_COEFF_A_MT8195 -250460
#define LVTS_COEFF_B_MT8195 250460
+#define LVTS_COEFF_A_MT7988 -204650
+#define LVTS_COEFF_B_MT7988 204650
#define LVTS_MSR_IMMEDIATE_MODE 0
#define LVTS_MSR_FILTERED_MODE 1
@@ -89,6 +91,7 @@
#define LVTS_MSR_READ_TIMEOUT_US 400
#define LVTS_MSR_READ_WAIT_US (LVTS_MSR_READ_TIMEOUT_US / 2)
+#define LVTS_HW_SHUTDOWN_MT7988 105000
#define LVTS_HW_SHUTDOWN_MT8195 105000
#define LVTS_MINIMUM_THRESHOLD 20000
@@ -1267,6 +1270,33 @@ static void lvts_remove(struct platform_device *pdev)
lvts_debugfs_exit(lvts_td);
}
+static const struct lvts_ctrl_data mt7988_lvts_ap_data_ctrl[] = {
+ {
+ .cal_offset = { 0x00, 0x04, 0x08, 0x0c },
+ .lvts_sensor = {
+ { .dt_id = MT7988_CPU_0 },
+ { .dt_id = MT7988_CPU_1 },
+ { .dt_id = MT7988_ETH2P5G_0 },
+ { .dt_id = MT7988_ETH2P5G_1 }
+ },
+ .num_lvts_sensor = 4,
+ .offset = 0x0,
+ .hw_tshut_temp = LVTS_HW_SHUTDOWN_MT7988,
+ },
+ {
+ .cal_offset = { 0x14, 0x18, 0x1c, 0x20 },
+ .lvts_sensor = {
+ { .dt_id = MT7988_TOPS_0},
+ { .dt_id = MT7988_TOPS_1},
+ { .dt_id = MT7988_ETHWARP_0},
+ { .dt_id = MT7988_ETHWARP_1}
+ },
+ .num_lvts_sensor = 4,
+ .offset = 0x100,
+ .hw_tshut_temp = LVTS_HW_SHUTDOWN_MT7988,
+ }
+};
+
static const struct lvts_ctrl_data mt8195_lvts_mcu_data_ctrl[] = {
{
.cal_offset = { 0x04, 0x07 },
@@ -1346,6 +1376,13 @@ static const struct lvts_ctrl_data mt8195_lvts_ap_data_ctrl[] = {
}
};
+static const struct lvts_data mt7988_lvts_ap_data = {
+ .lvts_ctrl = mt7988_lvts_ap_data_ctrl,
+ .num_lvts_ctrl = ARRAY_SIZE(mt7988_lvts_ap_data_ctrl),
+ .temp_factor = LVTS_COEFF_A_MT7988,
+ .temp_offset = LVTS_COEFF_B_MT7988,
+};
+
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),
@@ -1361,6 +1398,7 @@ static const struct lvts_data mt8195_lvts_ap_data = {
};
static const struct of_device_id lvts_of_match[] = {
+ { .compatible = "mediatek,mt7988-lvts-ap", .data = &mt7988_lvts_ap_data },
{ .compatible = "mediatek,mt8195-lvts-mcu", .data = &mt8195_lvts_mcu_data },
{ .compatible = "mediatek,mt8195-lvts-ap", .data = &mt8195_lvts_ap_data },
{},