target/linux/mediatek/patches-4.14/0200-thermal-mediatek-add-support-for-MT7622-SoC.patch

   1 From b93889b200a963acde20e559dbf51886ad6b6229 Mon Sep 17 00:00:00 2001
   2 From: Sean Wang <sean.wang@mediatek.com>
   3 Date: Tue, 16 Jan 2018 23:50:48 +0800
   4 Subject: [PATCH 200/224] thermal: mediatek: add support for MT7622 SoC
   5
   6 MT7622 SoC has built-in thermal controller with one sensing point, the
   7 patch just is to extend the functionality of the existing logic.
   8
   9 Changes v1 -> v2: rebase to 4.16-rc1
  10
  11 Signed-off-by: Sean Wang <sean.wang@mediatek.com>
  12 Signed-off-by: Shunli Wang <shunli.wang@mediatek.com>
  13 ---
  14  drivers/thermal/mtk_thermal.c | 35 +++++++++++++++++++++++++++++++++++
  15  1 file changed, 35 insertions(+)
  16
  17 diff --git a/drivers/thermal/mtk_thermal.c b/drivers/thermal/mtk_thermal.c
  18 index c75661a3801a..e709acb2235e 100644
  19 --- a/drivers/thermal/mtk_thermal.c
  20 +++ b/drivers/thermal/mtk_thermal.c
  21 @@ -153,6 +153,12 @@
  22  /* The number of sensing points per bank */
  23  #define MT2712_NUM_SENSORS_PER_ZONE    4
  24
  25 +#define MT7622_TEMP_AUXADC_CHANNEL     11
  26 +#define MT7622_NUM_SENSORS             1
  27 +#define MT7622_NUM_ZONES               1
  28 +#define MT7622_NUM_SENSORS_PER_ZONE    1
  29 +#define MT7622_TS1     0
  30 +
  31  struct mtk_thermal;
  32
  33  struct thermal_bank_cfg {
  34 @@ -242,6 +248,12 @@ static const int mt2712_adcpnp[MT2712_NUM_SENSORS_PER_ZONE] = {
  35
  36  static const int mt2712_mux_values[MT2712_NUM_SENSORS] = { 0, 1, 2, 3 };
  37
  38 +/* MT7622 thermal sensor data */
  39 +static const int mt7622_bank_data[MT7622_NUM_SENSORS] = { MT7622_TS1, };
  40 +static const int mt7622_msr[MT7622_NUM_SENSORS_PER_ZONE] = { TEMP_MSR0, };
  41 +static const int mt7622_adcpnp[MT7622_NUM_SENSORS_PER_ZONE] = { TEMP_ADCPNP0, };
  42 +static const int mt7622_mux_values[MT7622_NUM_SENSORS] = { 0, };
  43 +
  44  /**
  45   * The MT8173 thermal controller has four banks. Each bank can read up to
  46   * four temperature sensors simultaneously. The MT8173 has a total of 5
  47 @@ -329,6 +341,25 @@ static const struct mtk_thermal_data mt2712_thermal_data = {
  48         .sensor_mux_values = mt2712_mux_values,
  49  };
  50
  51 +/*
  52 + * MT7622 have only one sensing point which uses AUXADC Channel 11 for raw data
  53 + * access.
  54 + */
  55 +static const struct mtk_thermal_data mt7622_thermal_data = {
  56 +       .auxadc_channel = MT7622_TEMP_AUXADC_CHANNEL,
  57 +       .num_banks = MT7622_NUM_ZONES,
  58 +       .num_sensors = MT7622_NUM_SENSORS,
  59 +       .bank_data = {
  60 +               {
  61 +                       .num_sensors = 1,
  62 +                       .sensors = mt7622_bank_data,
  63 +               },
  64 +       },
  65 +       .msr = mt7622_msr,
  66 +       .adcpnp = mt7622_adcpnp,
  67 +       .sensor_mux_values = mt7622_mux_values,
  68 +};
  69 +
  70  /**
  71   * raw_to_mcelsius - convert a raw ADC value to mcelsius
  72   * @mt:                The thermal controller
  73 @@ -631,6 +662,10 @@ static const struct of_device_id mtk_thermal_of_match[] = {
  74         {
  75                 .compatible = "mediatek,mt2712-thermal",
  76                 .data = (void *)&mt2712_thermal_data,
  77 +       },
  78 +       {
  79 +               .compatible = "mediatek,mt7622-thermal",
  80 +               .data = (void *)&mt7622_thermal_data,
  81         }, {
  82         },
  83  };
  84 --
  85 2.11.0
  86