From 18934b05f81025c1254d64c1774832e95187cbd9 Mon Sep 17 00:00:00 2001 From: Steve Sakoman Date: Sat, 23 Jan 2010 06:26:54 -0800 Subject: [PATCH 17/28] MFD: enable madc clock --- 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 35275ba..5aa7358 100644 --- a/drivers/mfd/twl-core.c +++ b/drivers/mfd/twl-core.c @@ -208,6 +208,11 @@ /* 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) @@ -929,6 +934,9 @@ 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 c760991..cfdfdd3 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