recipes-bsp/linux/linux-omap-2.6.37rc/0015-MFD-enable-madc-clock.patch

   1 From 0bedf8e81896a69ba77e9066ad9545412fd53cf8 Mon Sep 17 00:00:00 2001
   2 From: Steve Sakoman <steve@sakoman.com>
   3 Date: Sat, 23 Jan 2010 06:26:54 -0800
   4 Subject: [PATCH 15/29] MFD: enable madc clock
   5
   6 ---
   7  drivers/mfd/twl-core.c  |    8 ++++++++
   8  include/linux/i2c/twl.h |    1 +
   9  2 files changed, 9 insertions(+), 0 deletions(-)
  10
  11 diff --git a/drivers/mfd/twl-core.c b/drivers/mfd/twl-core.c
  12 index 35275ba..5aa7358 100644
  13 --- a/drivers/mfd/twl-core.c
  14 +++ b/drivers/mfd/twl-core.c
  15 @@ -208,6 +208,11 @@
  16
  17  /* Few power values */
  18  #define R_CFG_BOOT                     0x05
  19 +#define R_GPBR1                                0x0C
  20 +
  21 +/* MADC clock values for R_GPBR1 */
  22 +#define MADC_HFCLK_EN                  0x80
  23 +#define DEFAULT_MADC_CLK_EN            0x10
  24
  25  /* some fields in R_CFG_BOOT */
  26  #define HFCLK_FREQ_19p2_MHZ            (1 << 0)
  27 @@ -929,6 +934,9 @@ static void clocks_init(struct device *dev,
  28
  29         e |= unprotect_pm_master();
  30         /* effect->MADC+USB ck en */
  31 +       if (twl_has_madc())
  32 +               e |= twl_i2c_write_u8(TWL_MODULE_INTBR,
  33 +                               MADC_HFCLK_EN | DEFAULT_MADC_CLK_EN, R_GPBR1);
  34         e |= twl_i2c_write_u8(TWL_MODULE_PM_MASTER, ctrl, R_CFG_BOOT);
  35         e |= protect_pm_master();
  36
  37 diff --git a/include/linux/i2c/twl.h b/include/linux/i2c/twl.h
  38 index c760991..cfdfdd3 100644
  39 --- a/include/linux/i2c/twl.h
  40 +++ b/include/linux/i2c/twl.h
  41 @@ -74,6 +74,7 @@
  42
  43  #define TWL_MODULE_USB         TWL4030_MODULE_USB
  44  #define TWL_MODULE_AUDIO_VOICE TWL4030_MODULE_AUDIO_VOICE
  45 +#define TWL_MODULE_INTBR       TWL4030_MODULE_INTBR
  46  #define TWL_MODULE_PIH         TWL4030_MODULE_PIH
  47  #define TWL_MODULE_MADC                TWL4030_MODULE_MADC
  48  #define TWL_MODULE_MAIN_CHARGE TWL4030_MODULE_MAIN_CHARGE
  49 --
  50 1.6.6.1
  51