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

   1 From 7d8b3864b38d881cf105328ff8569f47446811ad Mon Sep 17 00:00:00 2001
   2 From: Balsam CHIHI <bchihi@baylibre.com>
   3 Date: Tue, 17 Oct 2023 21:05:43 +0200
   4 Subject: [PATCH 41/42] thermal/drivers/mediatek/lvts_thermal: Add mt8192
   5  support
   6 MIME-Version: 1.0
   7 Content-Type: text/plain; charset=UTF-8
   8 Content-Transfer-Encoding: 8bit
   9
  10 Add LVTS Driver support for MT8192.
  11
  12 Co-developed-by: Nícolas F. R. A. Prado <nfraprado@collabora.com>
  13 Signed-off-by: Nícolas F. R. A. Prado <nfraprado@collabora.com>
  14 Signed-off-by: Balsam CHIHI <bchihi@baylibre.com>
  15 Reviewed-by: Nícolas F. R. A. Prado <nfraprado@collabora.com>
  16 [bero@baylibre.com: cosmetic changes, rebase]
  17 Signed-off-by: Bernhard Rosenkränzer <bero@baylibre.com>
  18 Reviewed-by: Matthias Brugger <matthias.bgg@gmail.com>
  19 Reviewed-by: Alexandre Mergnat <amergnat@baylibre.com>
  20 Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
  21 Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
  22 Link: https://lore.kernel.org/r/20231017190545.157282-4-bero@baylibre.com
  23 ---
  24  drivers/thermal/mediatek/lvts_thermal.c | 95 +++++++++++++++++++++++++
  25  1 file changed, 95 insertions(+)
  26
  27 --- a/drivers/thermal/mediatek/lvts_thermal.c
  28 +++ b/drivers/thermal/mediatek/lvts_thermal.c
  29 @@ -92,6 +92,7 @@
  30  #define LVTS_MSR_READ_WAIT_US          (LVTS_MSR_READ_TIMEOUT_US / 2)
  31
  32  #define LVTS_HW_SHUTDOWN_MT7988                105000
  33 +#define LVTS_HW_SHUTDOWN_MT8192                105000
  34  #define LVTS_HW_SHUTDOWN_MT8195                105000
  35
  36  #define LVTS_MINIMUM_THRESHOLD         20000
  37 @@ -1329,6 +1330,88 @@ static int lvts_resume(struct device *de
  38         return 0;
  39  }
  40
  41 +static const struct lvts_ctrl_data mt8192_lvts_mcu_data_ctrl[] = {
  42 +       {
  43 +               .cal_offset = { 0x04, 0x08 },
  44 +               .lvts_sensor = {
  45 +                       { .dt_id = MT8192_MCU_BIG_CPU0 },
  46 +                       { .dt_id = MT8192_MCU_BIG_CPU1 }
  47 +               },
  48 +               .num_lvts_sensor = 2,
  49 +               .offset = 0x0,
  50 +               .hw_tshut_temp = LVTS_HW_SHUTDOWN_MT8192,
  51 +               .mode = LVTS_MSR_FILTERED_MODE,
  52 +       },
  53 +       {
  54 +               .cal_offset = { 0x0c, 0x10 },
  55 +               .lvts_sensor = {
  56 +                       { .dt_id = MT8192_MCU_BIG_CPU2 },
  57 +                       { .dt_id = MT8192_MCU_BIG_CPU3 }
  58 +               },
  59 +               .num_lvts_sensor = 2,
  60 +               .offset = 0x100,
  61 +               .hw_tshut_temp = LVTS_HW_SHUTDOWN_MT8192,
  62 +               .mode = LVTS_MSR_FILTERED_MODE,
  63 +       },
  64 +       {
  65 +               .cal_offset = { 0x14, 0x18, 0x1c, 0x20 },
  66 +               .lvts_sensor = {
  67 +                       { .dt_id = MT8192_MCU_LITTLE_CPU0 },
  68 +                       { .dt_id = MT8192_MCU_LITTLE_CPU1 },
  69 +                       { .dt_id = MT8192_MCU_LITTLE_CPU2 },
  70 +                       { .dt_id = MT8192_MCU_LITTLE_CPU3 }
  71 +               },
  72 +               .num_lvts_sensor = 4,
  73 +               .offset = 0x200,
  74 +               .hw_tshut_temp = LVTS_HW_SHUTDOWN_MT8192,
  75 +               .mode = LVTS_MSR_FILTERED_MODE,
  76 +       }
  77 +};
  78 +
  79 +static const struct lvts_ctrl_data mt8192_lvts_ap_data_ctrl[] = {
  80 +               {
  81 +               .cal_offset = { 0x24, 0x28 },
  82 +               .lvts_sensor = {
  83 +                       { .dt_id = MT8192_AP_VPU0 },
  84 +                       { .dt_id = MT8192_AP_VPU1 }
  85 +               },
  86 +               .num_lvts_sensor = 2,
  87 +               .offset = 0x0,
  88 +               .hw_tshut_temp = LVTS_HW_SHUTDOWN_MT8192,
  89 +       },
  90 +       {
  91 +               .cal_offset = { 0x2c, 0x30 },
  92 +               .lvts_sensor = {
  93 +                       { .dt_id = MT8192_AP_GPU0 },
  94 +                       { .dt_id = MT8192_AP_GPU1 }
  95 +               },
  96 +               .num_lvts_sensor = 2,
  97 +               .offset = 0x100,
  98 +               .hw_tshut_temp = LVTS_HW_SHUTDOWN_MT8192,
  99 +       },
 100 +       {
 101 +               .cal_offset = { 0x34, 0x38 },
 102 +               .lvts_sensor = {
 103 +                       { .dt_id = MT8192_AP_INFRA },
 104 +                       { .dt_id = MT8192_AP_CAM },
 105 +               },
 106 +               .num_lvts_sensor = 2,
 107 +               .offset = 0x200,
 108 +               .hw_tshut_temp = LVTS_HW_SHUTDOWN_MT8192,
 109 +       },
 110 +       {
 111 +               .cal_offset = { 0x3c, 0x40, 0x44 },
 112 +               .lvts_sensor = {
 113 +                       { .dt_id = MT8192_AP_MD0 },
 114 +                       { .dt_id = MT8192_AP_MD1 },
 115 +                       { .dt_id = MT8192_AP_MD2 }
 116 +               },
 117 +               .num_lvts_sensor = 3,
 118 +               .offset = 0x300,
 119 +               .hw_tshut_temp = LVTS_HW_SHUTDOWN_MT8192,
 120 +       }
 121 +};
 122 +
 123  static const struct lvts_ctrl_data mt8195_lvts_mcu_data_ctrl[] = {
 124         {
 125                 .cal_offset = { 0x04, 0x07 },
 126 @@ -1415,6 +1498,16 @@ static const struct lvts_data mt7988_lvt
 127         .temp_offset    = LVTS_COEFF_B_MT7988,
 128  };
 129
 130 +static const struct lvts_data mt8192_lvts_mcu_data = {
 131 +       .lvts_ctrl      = mt8192_lvts_mcu_data_ctrl,
 132 +       .num_lvts_ctrl  = ARRAY_SIZE(mt8192_lvts_mcu_data_ctrl),
 133 +};
 134 +
 135 +static const struct lvts_data mt8192_lvts_ap_data = {
 136 +       .lvts_ctrl      = mt8192_lvts_ap_data_ctrl,
 137 +       .num_lvts_ctrl  = ARRAY_SIZE(mt8192_lvts_ap_data_ctrl),
 138 +};
 139 +
 140  static const struct lvts_data mt8195_lvts_mcu_data = {
 141         .lvts_ctrl      = mt8195_lvts_mcu_data_ctrl,
 142         .num_lvts_ctrl  = ARRAY_SIZE(mt8195_lvts_mcu_data_ctrl),
 143 @@ -1431,6 +1524,8 @@ static const struct lvts_data mt8195_lvt
 144
 145  static const struct of_device_id lvts_of_match[] = {
 146         { .compatible = "mediatek,mt7988-lvts-ap", .data = &mt7988_lvts_ap_data },
 147 +       { .compatible = "mediatek,mt8192-lvts-mcu", .data = &mt8192_lvts_mcu_data },
 148 +       { .compatible = "mediatek,mt8192-lvts-ap", .data = &mt8192_lvts_ap_data },
 149         { .compatible = "mediatek,mt8195-lvts-mcu", .data = &mt8195_lvts_mcu_data },
 150         { .compatible = "mediatek,mt8195-lvts-ap", .data = &mt8195_lvts_ap_data },
 151         {},