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 diff --git a/drivers/soc/mediatek/mtk-pmic-wrap.c b/drivers/soc/mediatek/mtk-pmic-wrap.c
  15 index bcc841e..0e4ebb8 100644
  16 --- a/drivers/soc/mediatek/mtk-pmic-wrap.c
  17 +++ b/drivers/soc/mediatek/mtk-pmic-wrap.c
  18 @@ -93,6 +93,27 @@ enum dew_regs {
  19         PWRAP_DEW_EVENT_TEST,
  20         PWRAP_DEW_CIPHER_LOAD,
  21         PWRAP_DEW_CIPHER_START,
  22 +
  23 +       /* MT6323 only regs */
  24 +       PWRAP_DEW_CIPHER_EN,
  25 +       PWRAP_DEW_RDDMY_NO,
  26 +};
  27 +
  28 +static const u32 mt6323_regs[] = {
  29 +       [PWRAP_DEW_BASE] =              0x0000,
  30 +       [PWRAP_DEW_DIO_EN] =            0x018a,
  31 +       [PWRAP_DEW_READ_TEST] =         0x018c,
  32 +       [PWRAP_DEW_WRITE_TEST] =        0x018e,
  33 +       [PWRAP_DEW_CRC_EN] =            0x0192,
  34 +       [PWRAP_DEW_CRC_VAL] =           0x0194,
  35 +       [PWRAP_DEW_MON_GRP_SEL] =       0x0196,
  36 +       [PWRAP_DEW_CIPHER_KEY_SEL] =    0x0198,
  37 +       [PWRAP_DEW_CIPHER_IV_SEL] =     0x019a,
  38 +       [PWRAP_DEW_CIPHER_EN] =         0x019c,
  39 +       [PWRAP_DEW_CIPHER_RDY] =        0x019e,
  40 +       [PWRAP_DEW_CIPHER_MODE] =       0x01a0,
  41 +       [PWRAP_DEW_CIPHER_SWRST] =      0x01a2,
  42 +       [PWRAP_DEW_RDDMY_NO] =          0x01a4,
  43  };
  44
  45  static const u32 mt6397_regs[] = {
  46 @@ -371,6 +392,7 @@ static int mt8135_regs[] = {
  47  };
  48
  49  enum pmic_type {
  50 +       PMIC_MT6323,
  51         PMIC_MT6397,
  52  };
  53
  54 @@ -661,6 +683,19 @@ static int pwrap_init_cipher(struct pmic_wrapper *wrp)
  55         pwrap_write(wrp, wrp->slave->dew_regs[PWRAP_DEW_CIPHER_LOAD], 0x1);
  56         pwrap_write(wrp, wrp->slave->dew_regs[PWRAP_DEW_CIPHER_START], 0x1);
  57
  58 +       switch (wrp->slave->type) {
  59 +       case PMIC_MT6397:
  60 +               pwrap_write(wrp, wrp->slave->dew_regs[PWRAP_DEW_CIPHER_LOAD],
  61 +                           0x1);
  62 +               pwrap_write(wrp, wrp->slave->dew_regs[PWRAP_DEW_CIPHER_START],
  63 +                           0x1);
  64 +               break;
  65 +       case PMIC_MT6323:
  66 +               pwrap_write(wrp, wrp->slave->dew_regs[PWRAP_DEW_CIPHER_EN],
  67 +                           0x1);
  68 +               break;
  69 +       }
  70 +
  71         /* wait for cipher data ready@AP */
  72         ret = pwrap_wait_for_state(wrp, pwrap_is_cipher_ready);
  73         if (ret) {
  74 @@ -858,6 +893,11 @@ static const struct regmap_config pwrap_regmap_config = {
  75         .max_register = 0xffff,
  76  };
  77
  78 +static const struct pwrap_slv_type pmic_mt6323 = {
  79 +       .dew_regs = mt6323_regs,
  80 +       .type = PMIC_MT6323,
  81 +};
  82 +
  83  static const struct pwrap_slv_type pmic_mt6397 = {
  84         .dew_regs = mt6397_regs,
  85         .type = PMIC_MT6397,
  86 @@ -865,6 +905,9 @@ static const struct pwrap_slv_type pmic_mt6397 = {
  87
  88  static const struct of_device_id of_slave_match_tbl[] = {
  89         {
  90 +               .compatible = "mediatek,mt6323",
  91 +               .data = &pmic_mt6323,
  92 +       }, {
  93                 .compatible = "mediatek,mt6397",
  94                 .data = &pmic_mt6397,
  95         }, {
  96 --
  97 1.7.10.4
  98