target/linux/mediatek/patches-4.4/0033-soc-mediatek-PMIC-wrap-add-wrapper-callbacks-for-ini.patch

   1 From 756b919b7874cc241a276b4fc5bbec5b3fb4bca8 Mon Sep 17 00:00:00 2001
   2 From: John Crispin <blogic@openwrt.org>
   3 Date: Wed, 20 Jan 2016 05:27:17 +0100
   4 Subject: [PATCH 033/102] soc: mediatek: PMIC wrap: add wrapper callbacks for
   5  init_reg_clock
   6
   7 Split init_reg_clock up into SoC specific callbacks. The patch also
   8 reorders the code to avoid the need for callback function prototypes.
   9
  10 Signed-off-by: John Crispin <blogic@openwrt.org>
  11 ---
  12  drivers/soc/mediatek/mtk-pmic-wrap.c |   70 ++++++++++++++++++----------------
  13  1 file changed, 38 insertions(+), 32 deletions(-)
  14
  15 diff --git a/drivers/soc/mediatek/mtk-pmic-wrap.c b/drivers/soc/mediatek/mtk-pmic-wrap.c
  16 index 340c4b5..b22b664 100644
  17 --- a/drivers/soc/mediatek/mtk-pmic-wrap.c
  18 +++ b/drivers/soc/mediatek/mtk-pmic-wrap.c
  19 @@ -354,24 +354,6 @@ enum pwrap_type {
  20         PWRAP_MT8173,
  21  };
  22
  23 -struct pmic_wrapper_type {
  24 -       int *regs;
  25 -       enum pwrap_type type;
  26 -       u32 arb_en_all;
  27 -};
  28 -
  29 -static struct pmic_wrapper_type pwrap_mt8135 = {
  30 -       .regs = mt8135_regs,
  31 -       .type = PWRAP_MT8135,
  32 -       .arb_en_all = 0x1ff,
  33 -};
  34 -
  35 -static struct pmic_wrapper_type pwrap_mt8173 = {
  36 -       .regs = mt8173_regs,
  37 -       .type = PWRAP_MT8173,
  38 -       .arb_en_all = 0x3f,
  39 -};
  40 -
  41  struct pmic_wrapper {
  42         struct device *dev;
  43         void __iomem *base;
  44 @@ -385,6 +367,13 @@ struct pmic_wrapper {
  45         void __iomem *bridge_base;
  46  };
  47
  48 +struct pmic_wrapper_type {
  49 +       int *regs;
  50 +       enum pwrap_type type;
  51 +       u32 arb_en_all;
  52 +       int (*init_reg_clock)(struct pmic_wrapper *wrp);
  53 +};
  54 +
  55  static inline int pwrap_is_mt8135(struct pmic_wrapper *wrp)
  56  {
  57         return wrp->master->type == PWRAP_MT8135;
  58 @@ -578,20 +567,23 @@ static int pwrap_init_sidly(struct pmic_wrapper *wrp)
  59         return 0;
  60  }
  61
  62 -static int pwrap_init_reg_clock(struct pmic_wrapper *wrp)
  63 +static int pwrap_mt8135_init_reg_clock(struct pmic_wrapper *wrp)
  64  {
  65 -       if (pwrap_is_mt8135(wrp)) {
  66 -               pwrap_writel(wrp, 0x4, PWRAP_CSHEXT);
  67 -               pwrap_writel(wrp, 0x0, PWRAP_CSHEXT_WRITE);
  68 -               pwrap_writel(wrp, 0x4, PWRAP_CSHEXT_READ);
  69 -               pwrap_writel(wrp, 0x0, PWRAP_CSLEXT_START);
  70 -               pwrap_writel(wrp, 0x0, PWRAP_CSLEXT_END);
  71 -       } else {
  72 -               pwrap_writel(wrp, 0x0, PWRAP_CSHEXT_WRITE);
  73 -               pwrap_writel(wrp, 0x4, PWRAP_CSHEXT_READ);
  74 -               pwrap_writel(wrp, 0x2, PWRAP_CSLEXT_START);
  75 -               pwrap_writel(wrp, 0x2, PWRAP_CSLEXT_END);
  76 -       }
  77 +       pwrap_writel(wrp, 0x4, PWRAP_CSHEXT);
  78 +       pwrap_writel(wrp, 0x0, PWRAP_CSHEXT_WRITE);
  79 +       pwrap_writel(wrp, 0x4, PWRAP_CSHEXT_READ);
  80 +       pwrap_writel(wrp, 0x0, PWRAP_CSLEXT_START);
  81 +       pwrap_writel(wrp, 0x0, PWRAP_CSLEXT_END);
  82 +
  83 +       return 0;
  84 +}
  85 +
  86 +static int pwrap_mt8173_init_reg_clock(struct pmic_wrapper *wrp)
  87 +{
  88 +       pwrap_writel(wrp, 0x0, PWRAP_CSHEXT_WRITE);
  89 +       pwrap_writel(wrp, 0x4, PWRAP_CSHEXT_READ);
  90 +       pwrap_writel(wrp, 0x2, PWRAP_CSLEXT_START);
  91 +       pwrap_writel(wrp, 0x2, PWRAP_CSLEXT_END);
  92
  93         return 0;
  94  }
  95 @@ -699,7 +691,7 @@ static int pwrap_init(struct pmic_wrapper *wrp)
  96
  97         pwrap_writel(wrp, 1, PWRAP_WACS2_EN);
  98
  99 -       ret = pwrap_init_reg_clock(wrp);
 100 +       ret = wrp->master->init_reg_clock(wrp);
 101         if (ret)
 102                 return ret;
 103
 104 @@ -814,6 +806,20 @@ static const struct regmap_config pwrap_regmap_config = {
 105         .max_register = 0xffff,
 106  };
 107
 108 +static struct pmic_wrapper_type pwrap_mt8135 = {
 109 +       .regs = mt8135_regs,
 110 +       .type = PWRAP_MT8135,
 111 +       .arb_en_all = 0x1ff,
 112 +       .init_reg_clock = pwrap_mt8135_init_reg_clock,
 113 +};
 114 +
 115 +static struct pmic_wrapper_type pwrap_mt8173 = {
 116 +       .regs = mt8173_regs,
 117 +       .type = PWRAP_MT8173,
 118 +       .arb_en_all = 0x3f,
 119 +       .init_reg_clock = pwrap_mt8173_init_reg_clock,
 120 +};
 121 +
 122  static struct of_device_id of_pwrap_match_tbl[] = {
 123         {
 124                 .compatible = "mediatek,mt8135-pwrap",
 125 --
 126 1.7.10.4
 127