git.openwrt.org Git - openwrt/staging/nbd.git/blob

   1 From 744e2e82b28cb28f8cd2cc4ee788a5c950b12aa2 Mon Sep 17 00:00:00 2001
   2 From: Mason Chang <mason-cw.chang@mediatek.com>
   3 Date: Mon, 26 May 2025 18:26:59 +0800
   4 Subject: [PATCH 3/3] thermal/drivers/mediatek/lvts_thermal: Add mt7988 lvts
   5  commands
   6
   7 These commands are necessary to avoid severely abnormal and inaccurate
   8 temperature readings that are caused by using the default commands.
   9
  10 Signed-off-by: Mason Chang <mason-cw.chang@mediatek.com>
  11 Link: https://lore.kernel.org/r/20250526102659.30225-4-mason-cw.chang@mediatek.com
  12 Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
  13 (cherry picked from commit 685a755089f95b7e205c0202567d9a647f9de096)
  14 ---
  15  drivers/thermal/mediatek/lvts_thermal.c | 16 ++++++++++++----
  16  1 file changed, 12 insertions(+), 4 deletions(-)
  17
  18 --- a/drivers/thermal/mediatek/lvts_thermal.c
  19 +++ b/drivers/thermal/mediatek/lvts_thermal.c
  20 @@ -1421,6 +1421,8 @@ static int lvts_resume(struct device *de
  21  }
  22
  23  static const u32 default_conn_cmds[] = { 0xC103FFFF, 0xC502FF55 };
  24 +static const u32 mt7988_conn_cmds[] = { 0xC103FFFF, 0xC502FC55 };
  25 +
  26  /*
  27   * Write device mask: 0xC1030000
  28   */
  29 @@ -1431,6 +1433,12 @@ static const u32 default_init_cmds[] = {
  30         0xC10300FC, 0xC103009D, 0xC10300F1, 0xC10300E1
  31  };
  32
  33 +static const u32 mt7988_init_cmds[] = {
  34 +       0xC1030300, 0xC1030420, 0xC1030500, 0xC10307A6, 0xC1030CFC,
  35 +       0xC1030A8C, 0xC103098D, 0xC10308F1, 0xC1030B04, 0xC1030E01,
  36 +       0xC10306B8
  37 +};
  38 +
  39  /*
  40   * The MT8186 calibration data is stored as packed 3-byte little-endian
  41   * values using a weird layout that makes sense only when viewed as a 32-bit
  42 @@ -1725,11 +1733,11 @@ static const struct lvts_ctrl_data mt819
  43
  44  static const struct lvts_data mt7988_lvts_ap_data = {
  45         .lvts_ctrl      = mt7988_lvts_ap_data_ctrl,
  46 -       .conn_cmd       = default_conn_cmds,
  47 -       .init_cmd       = default_init_cmds,
  48 +       .conn_cmd       = mt7988_conn_cmds,
  49 +       .init_cmd       = mt7988_init_cmds,
  50         .num_lvts_ctrl  = ARRAY_SIZE(mt7988_lvts_ap_data_ctrl),
  51 -       .num_conn_cmd   = ARRAY_SIZE(default_conn_cmds),
  52 -       .num_init_cmd   = ARRAY_SIZE(default_init_cmds),
  53 +       .num_conn_cmd   = ARRAY_SIZE(mt7988_conn_cmds),
  54 +       .num_init_cmd   = ARRAY_SIZE(mt7988_init_cmds),
  55         .temp_factor    = LVTS_COEFF_A_MT7988,
  56         .temp_offset    = LVTS_COEFF_B_MT7988,
  57         .gt_calib_bit_offset = 24,