target/linux/sunxi/patches-4.1/103-mfd-axp20x-add-missing-registers.patch

   1 From 5469e15c9a0025e8822762ab9acfc3ee50e55c2c Mon Sep 17 00:00:00 2001
   2 From: =?UTF-8?q?Bruno=20Pr=C3=A9mont?= <bonbons@linux-vserver.org>
   3 Date: Tue, 9 Jun 2015 08:30:48 +0200
   4 Subject: [PATCH] mfd: axp20x: Add missing registers, and mark more registers
   5  volatile
   6 MIME-Version: 1.0
   7 Content-Type: text/plain; charset=UTF-8
   8 Content-Transfer-Encoding: 8bit
   9
  10 Add an extra set of registers which is necessary tu support the PMICs
  11 battery charger function, and mark registers which contain status bits,
  12 gpio status, and adc readings as volatile.
  13
  14 Cc: Bruno Prémont <bonbons@linux-vserver.org>
  15 Signed-off-by: Bruno Prémont <bonbons@linux-vserver.org>
  16 Signed-off-by: Hans de Goede <hdegoede@redhat.com>
  17 Acked-by: Lee Jones <lee.jones@linaro.org>
  18 Acked-by: Maxime Ripard <maxime.ripard@free-electrons.com>
  19 ---
  20 Changes in v2:
  21 -Add a AXP20X_OCV_MAX define
  22 Changes in v3:
  23 -Add Bruno's S-o-b
  24 ---
  25  drivers/mfd/axp20x.c       | 8 +++++++-
  26  include/linux/mfd/axp20x.h | 6 ++++++
  27  2 files changed, 13 insertions(+), 1 deletion(-)
  28
  29 diff --git a/drivers/mfd/axp20x.c b/drivers/mfd/axp20x.c
  30 index b369cfc..8bd3283 100644
  31 --- a/drivers/mfd/axp20x.c
  32 +++ b/drivers/mfd/axp20x.c
  33 @@ -61,10 +61,16 @@ static const struct regmap_access_table axp152_volatile_table = {
  34  static const struct regmap_range axp20x_writeable_ranges[] = {
  35         regmap_reg_range(AXP20X_DATACACHE(0), AXP20X_IRQ5_STATE),
  36         regmap_reg_range(AXP20X_DCDC_MODE, AXP20X_FG_RES),
  37 +       regmap_reg_range(AXP20X_RDC_H, AXP20X_OCV(15)),
  38  };
  39
  40  static const struct regmap_range axp20x_volatile_ranges[] = {
  41 +       regmap_reg_range(AXP20X_PWR_INPUT_STATUS, AXP20X_USB_OTG_STATUS),
  42 +       regmap_reg_range(AXP20X_CHRG_CTRL1, AXP20X_CHRG_CTRL2),
  43         regmap_reg_range(AXP20X_IRQ1_EN, AXP20X_IRQ5_STATE),
  44 +       regmap_reg_range(AXP20X_ACIN_V_ADC_H, AXP20X_IPSOUT_V_HIGH_L),
  45 +       regmap_reg_range(AXP20X_GPIO20_SS, AXP20X_GPIO3_CTRL),
  46 +       regmap_reg_range(AXP20X_FG_RES, AXP20X_RDC_L),
  47  };
  48
  49  static const struct regmap_access_table axp20x_writeable_table = {
  50 @@ -195,7 +201,7 @@ static const struct regmap_config axp20x_regmap_config = {
  51         .val_bits       = 8,
  52         .wr_table       = &axp20x_writeable_table,
  53         .volatile_table = &axp20x_volatile_table,
  54 -       .max_register   = AXP20X_FG_RES,
  55 +       .max_register   = AXP20X_OCV(AXP20X_OCV_MAX),
  56         .cache_type     = REGCACHE_RBTREE,
  57  };
  58
  59 diff --git a/include/linux/mfd/axp20x.h b/include/linux/mfd/axp20x.h
  60 index 52203d5..cc8ad1e 100644
  61 --- a/include/linux/mfd/axp20x.h
  62 +++ b/include/linux/mfd/axp20x.h
  63 @@ -190,6 +190,12 @@ enum {
  64  #define AXP20X_CC_CTRL                 0xb8
  65  #define AXP20X_FG_RES                  0xb9
  66
  67 +/* OCV */
  68 +#define AXP20X_RDC_H                   0xba
  69 +#define AXP20X_RDC_L                   0xbb
  70 +#define AXP20X_OCV(m)                  (0xc0 + (m))
  71 +#define AXP20X_OCV_MAX                 0xf
  72 +
  73  /* AXP22X specific registers */
  74  #define AXP22X_BATLOW_THRES1           0xe6
  75