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 --- a/drivers/thermal/mtk_thermal.c
  18 +++ b/drivers/thermal/mtk_thermal.c
  19 @@ -153,6 +153,12 @@
  20  /* The number of sensing points per bank */
  21  #define MT2712_NUM_SENSORS_PER_ZONE    4
  22
  23 +#define MT7622_TEMP_AUXADC_CHANNEL     11
  24 +#define MT7622_NUM_SENSORS             1
  25 +#define MT7622_NUM_ZONES               1
  26 +#define MT7622_NUM_SENSORS_PER_ZONE    1
  27 +#define MT7622_TS1     0
  28 +
  29  struct mtk_thermal;
  30
  31  struct thermal_bank_cfg {
  32 @@ -242,6 +248,12 @@ static const int mt2712_adcpnp[MT2712_NU
  33
  34  static const int mt2712_mux_values[MT2712_NUM_SENSORS] = { 0, 1, 2, 3 };
  35
  36 +/* MT7622 thermal sensor data */
  37 +static const int mt7622_bank_data[MT7622_NUM_SENSORS] = { MT7622_TS1, };
  38 +static const int mt7622_msr[MT7622_NUM_SENSORS_PER_ZONE] = { TEMP_MSR0, };
  39 +static const int mt7622_adcpnp[MT7622_NUM_SENSORS_PER_ZONE] = { TEMP_ADCPNP0, };
  40 +static const int mt7622_mux_values[MT7622_NUM_SENSORS] = { 0, };
  41 +
  42  /**
  43   * The MT8173 thermal controller has four banks. Each bank can read up to
  44   * four temperature sensors simultaneously. The MT8173 has a total of 5
  45 @@ -329,6 +341,25 @@ static const struct mtk_thermal_data mt2
  46         .sensor_mux_values = mt2712_mux_values,
  47  };
  48
  49 +/*
  50 + * MT7622 have only one sensing point which uses AUXADC Channel 11 for raw data
  51 + * access.
  52 + */
  53 +static const struct mtk_thermal_data mt7622_thermal_data = {
  54 +       .auxadc_channel = MT7622_TEMP_AUXADC_CHANNEL,
  55 +       .num_banks = MT7622_NUM_ZONES,
  56 +       .num_sensors = MT7622_NUM_SENSORS,
  57 +       .bank_data = {
  58 +               {
  59 +                       .num_sensors = 1,
  60 +                       .sensors = mt7622_bank_data,
  61 +               },
  62 +       },
  63 +       .msr = mt7622_msr,
  64 +       .adcpnp = mt7622_adcpnp,
  65 +       .sensor_mux_values = mt7622_mux_values,
  66 +};
  67 +
  68  /**
  69   * raw_to_mcelsius - convert a raw ADC value to mcelsius
  70   * @mt:                The thermal controller
  71 @@ -633,6 +664,10 @@ static const struct of_device_id mtk_the
  72         {
  73                 .compatible = "mediatek,mt2712-thermal",
  74                 .data = (void *)&mt2712_thermal_data,
  75 +       },
  76 +       {
  77 +               .compatible = "mediatek,mt7622-thermal",
  78 +               .data = (void *)&mt7622_thermal_data,
  79         }, {
  80         },
  81  };