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
+