target/linux/ipq806x/patches/0149-pinctrl-qcom-Add-BUS_HOLD-Keeper-bias.patch

   1 From b1325bfad3ad0e543ce90a6b08d74500dc96f4b9 Mon Sep 17 00:00:00 2001
   2 From: Andy Gross <agross@codeaurora.org>
   3 Date: Mon, 16 Jun 2014 16:52:55 -0500
   4 Subject: [PATCH 149/182] pinctrl: qcom: Add BUS_HOLD/Keeper bias
   5
   6 This patch adds the bus_hold bias option for pins.
   7
   8 Signed-off-by: Andy Gross <agross@codeaurora.org>
   9 ---
  10  drivers/pinctrl/pinctrl-msm.c |    8 ++++++++
  11  1 file changed, 8 insertions(+)
  12
  13 diff --git a/drivers/pinctrl/pinctrl-msm.c b/drivers/pinctrl/pinctrl-msm.c
  14 index 7d67d34..f054b25 100644
  15 --- a/drivers/pinctrl/pinctrl-msm.c
  16 +++ b/drivers/pinctrl/pinctrl-msm.c
  17 @@ -207,6 +207,7 @@ static int msm_config_reg(struct msm_pinctrl *pctrl,
  18         case PIN_CONFIG_BIAS_DISABLE:
  19         case PIN_CONFIG_BIAS_PULL_DOWN:
  20         case PIN_CONFIG_BIAS_PULL_UP:
  21 +       case PIN_CONFIG_BIAS_BUS_HOLD:
  22                 *bit = g->pull_bit;
  23                 *mask = 3;
  24                 break;
  25 @@ -243,6 +244,7 @@ static int msm_config_set(struct pinctrl_dev *pctldev, unsigned int pin,
  26
  27  #define MSM_NO_PULL    0
  28  #define MSM_PULL_DOWN  1
  29 +#define MSM_KEEPER     2
  30  #define MSM_PULL_UP    3
  31
  32  static unsigned msm_regval_to_drive(u32 val)
  33 @@ -280,6 +282,9 @@ static int msm_config_group_get(struct pinctrl_dev *pctldev,
  34         case PIN_CONFIG_BIAS_PULL_DOWN:
  35                 arg = arg == MSM_PULL_DOWN;
  36                 break;
  37 +       case PIN_CONFIG_BIAS_BUS_HOLD:
  38 +               arg = arg == MSM_KEEPER;
  39 +               break;
  40         case PIN_CONFIG_BIAS_PULL_UP:
  41                 arg = arg == MSM_PULL_UP;
  42                 break;
  43 @@ -339,6 +344,9 @@ static int msm_config_group_set(struct pinctrl_dev *pctldev,
  44                 case PIN_CONFIG_BIAS_PULL_DOWN:
  45                         arg = MSM_PULL_DOWN;
  46                         break;
  47 +               case PIN_CONFIG_BIAS_BUS_HOLD:
  48 +                       arg = MSM_KEEPER;
  49 +                       break;
  50                 case PIN_CONFIG_BIAS_PULL_UP:
  51                         arg = MSM_PULL_UP;
  52                         break;
  53 --
  54 1.7.10.4
  55