diff options
Diffstat (limited to 'extras/recipes-kernel/linux/linux-omap-2.6.39/sakoman/0021-mfd-twl-core-enable-madc-clock.patch')
| -rw-r--r-- | extras/recipes-kernel/linux/linux-omap-2.6.39/sakoman/0021-mfd-twl-core-enable-madc-clock.patch | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/extras/recipes-kernel/linux/linux-omap-2.6.39/sakoman/0021-mfd-twl-core-enable-madc-clock.patch b/extras/recipes-kernel/linux/linux-omap-2.6.39/sakoman/0021-mfd-twl-core-enable-madc-clock.patch new file mode 100644 index 00000000..732d306a --- /dev/null +++ b/extras/recipes-kernel/linux/linux-omap-2.6.39/sakoman/0021-mfd-twl-core-enable-madc-clock.patch @@ -0,0 +1,54 @@ +From aee147073ad84a7c81fba36dd475c6d2d17ed728 Mon Sep 17 00:00:00 2001 +From: Steve Sakoman <steve@sakoman.com> +Date: Sat, 23 Jan 2010 06:26:54 -0800 +Subject: [PATCH 21/32] mfd: twl-core: enable madc clock + +Now that the madc driver has been merged it is also necessary to enable the clock to the madc block + +Signed-off-by: Steve Sakoman <steve@sakoman.com> +--- + drivers/mfd/twl-core.c | 8 ++++++++ + include/linux/i2c/twl.h | 1 + + 2 files changed, 9 insertions(+), 0 deletions(-) + +diff --git a/drivers/mfd/twl-core.c b/drivers/mfd/twl-core.c +index d9435e4..9096d7d 100644 +--- a/drivers/mfd/twl-core.c ++++ b/drivers/mfd/twl-core.c +@@ -222,6 +222,11 @@ + + /* Few power values */ + #define R_CFG_BOOT 0x05 ++#define R_GPBR1 0x0C ++ ++/* MADC clock values for R_GPBR1 */ ++#define MADC_HFCLK_EN 0x80 ++#define DEFAULT_MADC_CLK_EN 0x10 + + /* some fields in R_CFG_BOOT */ + #define HFCLK_FREQ_19p2_MHZ (1 << 0) +@@ -992,6 +997,9 @@ static void clocks_init(struct device *dev, + + e |= unprotect_pm_master(); + /* effect->MADC+USB ck en */ ++ if (twl_has_madc()) ++ e |= twl_i2c_write_u8(TWL_MODULE_INTBR, ++ MADC_HFCLK_EN | DEFAULT_MADC_CLK_EN, R_GPBR1); + e |= twl_i2c_write_u8(TWL_MODULE_PM_MASTER, ctrl, R_CFG_BOOT); + e |= protect_pm_master(); + +diff --git a/include/linux/i2c/twl.h b/include/linux/i2c/twl.h +index 0c0d1ae..cbbf3b3 100644 +--- a/include/linux/i2c/twl.h ++++ b/include/linux/i2c/twl.h +@@ -74,6 +74,7 @@ + + #define TWL_MODULE_USB TWL4030_MODULE_USB + #define TWL_MODULE_AUDIO_VOICE TWL4030_MODULE_AUDIO_VOICE ++#define TWL_MODULE_INTBR TWL4030_MODULE_INTBR + #define TWL_MODULE_PIH TWL4030_MODULE_PIH + #define TWL_MODULE_MADC TWL4030_MODULE_MADC + #define TWL_MODULE_MAIN_CHARGE TWL4030_MODULE_MAIN_CHARGE +-- +1.6.6.1 + |