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thermal/drivers/mediatek/lvts_thermal: Add mt7988 lvts commands

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These commands are necessary to avoid severely abnormal and inaccurate
temperature readings that are caused by using the default commands.

Signed-off-by: Mason Chang <mason-cw.chang@mediatek.com>
Link: https://lore.kernel.org/r/20250526102659.30225-4-mason-cw.chang@mediatek.com
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
This commit is contained in:
Mason Chang 2025-05-26 18:26:59 +08:00 • committed by Daniel Lezcano
parent 6203a5e6fd
commit 685a755089
1 changed files with 12 additions and 4 deletions
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16
drivers/thermal/mediatek/lvts_thermal.c
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@ -1443,6 +1443,8 @@ static int lvts_resume(struct device *dev)
}
static const u32 default_conn_cmds[] = { 0xC103FFFF, 0xC502FF55 };
static const u32 mt7988_conn_cmds[] = { 0xC103FFFF, 0xC502FC55 };
/*
* Write device mask: 0xC1030000
*/
@ -1453,6 +1455,12 @@ static const u32 default_init_cmds[] = {
0xC10300FC, 0xC103009D, 0xC10300F1, 0xC10300E1
};
static const u32 mt7988_init_cmds[] = {
0xC1030300, 0xC1030420, 0xC1030500, 0xC10307A6, 0xC1030CFC,
0xC1030A8C, 0xC103098D, 0xC10308F1, 0xC1030B04, 0xC1030E01,
0xC10306B8
};
/*
* The MT8186 calibration data is stored as packed 3-byte little-endian
* values using a weird layout that makes sense only when viewed as a 32-bit
@ -1747,11 +1755,11 @@ 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,
.conn_cmd = default_conn_cmds,
.init_cmd = default_init_cmds,
.conn_cmd = mt7988_conn_cmds,
.init_cmd = mt7988_init_cmds,
.num_lvts_ctrl = ARRAY_SIZE(mt7988_lvts_ap_data_ctrl),
.num_conn_cmd = ARRAY_SIZE(default_conn_cmds),
.num_init_cmd = ARRAY_SIZE(default_init_cmds),
.num_conn_cmd = ARRAY_SIZE(mt7988_conn_cmds),
.num_init_cmd = ARRAY_SIZE(mt7988_init_cmds),
.temp_factor = LVTS_COEFF_A_MT7988,
.temp_offset = LVTS_COEFF_B_MT7988,
.gt_calib_bit_offset = 24,