target/linux/mediatek/patches-4.4/0040-soc-mediatek-PMIC-wrap-add-mt6323-slave-support.patch

   1 From 15143b59a26a06e890e2ba3c9944b3f751ce39bd Mon Sep 17 00:00:00 2001
   2 From: John Crispin <blogic@openwrt.org>
   3 Date: Wed, 20 Jan 2016 11:40:43 +0100
   4 Subject: [PATCH 40/91] soc: mediatek: PMIC wrap: add mt6323 slave support
   5
   6 Add support for MT6323 slaves. This PMIC can be found on MT2701 and MT7623
   7 EVB. The only function that we need to touch is pwrap_init_cipher().
   8
   9 Signed-off-by: John Crispin <blogic@openwrt.org>
  10 ---
  11  drivers/soc/mediatek/mtk-pmic-wrap.c |   43 ++++++++++++++++++++++++++++++++++
  12  1 file changed, 43 insertions(+)
  13
  14 --- a/drivers/soc/mediatek/mtk-pmic-wrap.c
  15 +++ b/drivers/soc/mediatek/mtk-pmic-wrap.c
  16 @@ -93,6 +93,27 @@ enum dew_regs {
  17         PWRAP_DEW_EVENT_TEST,
  18         PWRAP_DEW_CIPHER_LOAD,
  19         PWRAP_DEW_CIPHER_START,
  20 +
  21 +       /* MT6323 only regs */
  22 +       PWRAP_DEW_CIPHER_EN,
  23 +       PWRAP_DEW_RDDMY_NO,
  24 +};
  25 +
  26 +static const u32 mt6323_regs[] = {
  27 +       [PWRAP_DEW_BASE] =              0x0000,
  28 +       [PWRAP_DEW_DIO_EN] =            0x018a,
  29 +       [PWRAP_DEW_READ_TEST] =         0x018c,
  30 +       [PWRAP_DEW_WRITE_TEST] =        0x018e,
  31 +       [PWRAP_DEW_CRC_EN] =            0x0192,
  32 +       [PWRAP_DEW_CRC_VAL] =           0x0194,
  33 +       [PWRAP_DEW_MON_GRP_SEL] =       0x0196,
  34 +       [PWRAP_DEW_CIPHER_KEY_SEL] =    0x0198,
  35 +       [PWRAP_DEW_CIPHER_IV_SEL] =     0x019a,
  36 +       [PWRAP_DEW_CIPHER_EN] =         0x019c,
  37 +       [PWRAP_DEW_CIPHER_RDY] =        0x019e,
  38 +       [PWRAP_DEW_CIPHER_MODE] =       0x01a0,
  39 +       [PWRAP_DEW_CIPHER_SWRST] =      0x01a2,
  40 +       [PWRAP_DEW_RDDMY_NO] =          0x01a4,
  41  };
  42
  43  static const u32 mt6397_regs[] = {
  44 @@ -371,6 +392,7 @@ static int mt8135_regs[] = {
  45  };
  46
  47  enum pmic_type {
  48 +       PMIC_MT6323,
  49         PMIC_MT6397,
  50  };
  51
  52 @@ -661,6 +683,19 @@ static int pwrap_init_cipher(struct pmic
  53         pwrap_write(wrp, wrp->slave->dew_regs[PWRAP_DEW_CIPHER_LOAD], 0x1);
  54         pwrap_write(wrp, wrp->slave->dew_regs[PWRAP_DEW_CIPHER_START], 0x1);
  55
  56 +       switch (wrp->slave->type) {
  57 +       case PMIC_MT6397:
  58 +               pwrap_write(wrp, wrp->slave->dew_regs[PWRAP_DEW_CIPHER_LOAD],
  59 +                           0x1);
  60 +               pwrap_write(wrp, wrp->slave->dew_regs[PWRAP_DEW_CIPHER_START],
  61 +                           0x1);
  62 +               break;
  63 +       case PMIC_MT6323:
  64 +               pwrap_write(wrp, wrp->slave->dew_regs[PWRAP_DEW_CIPHER_EN],
  65 +                           0x1);
  66 +               break;
  67 +       }
  68 +
  69         /* wait for cipher data ready@AP */
  70         ret = pwrap_wait_for_state(wrp, pwrap_is_cipher_ready);
  71         if (ret) {
  72 @@ -858,6 +893,11 @@ static const struct regmap_config pwrap_
  73         .max_register = 0xffff,
  74  };
  75
  76 +static const struct pwrap_slv_type pmic_mt6323 = {
  77 +       .dew_regs = mt6323_regs,
  78 +       .type = PMIC_MT6323,
  79 +};
  80 +
  81  static const struct pwrap_slv_type pmic_mt6397 = {
  82         .dew_regs = mt6397_regs,
  83         .type = PMIC_MT6397,
  84 @@ -865,6 +905,9 @@ static const struct pwrap_slv_type pmic_
  85
  86  static const struct of_device_id of_slave_match_tbl[] = {
  87         {
  88 +               .compatible = "mediatek,mt6323",
  89 +               .data = &pmic_mt6323,
  90 +       }, {
  91                 .compatible = "mediatek,mt6397",
  92                 .data = &pmic_mt6397,
  93         }, {