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55 lines
1.7 KiB
Diff
55 lines
1.7 KiB
Diff
From f4aed769e9e59998f44447e7309e192573e6fac6 Mon Sep 17 00:00:00 2001
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From: Steve Sakoman <steve@sakoman.com>
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Date: Sat, 23 Jan 2010 06:26:54 -0800
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Subject: [PATCH 2/2] mfd: twl-core: enable madc clock
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Now that the madc driver has been merged it is also necessary to enable the clock to the madc block
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Signed-off-by: Steve Sakoman <steve@sakoman.com>
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---
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drivers/mfd/twl-core.c | 8 ++++++++
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include/linux/i2c/twl.h | 1 +
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2 files changed, 9 insertions(+), 0 deletions(-)
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diff --git a/drivers/mfd/twl-core.c b/drivers/mfd/twl-core.c
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index e39dbed..018ee53 100644
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--- a/drivers/mfd/twl-core.c
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+++ b/drivers/mfd/twl-core.c
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@@ -217,6 +217,11 @@
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/* Few power values */
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#define R_CFG_BOOT 0x05
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+#define R_GPBR1 0x0C
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+
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+/* MADC clock values for R_GPBR1 */
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+#define MADC_HFCLK_EN 0x80
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+#define DEFAULT_MADC_CLK_EN 0x10
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/* some fields in R_CFG_BOOT */
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#define HFCLK_FREQ_19p2_MHZ (1 << 0)
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@@ -1152,6 +1157,9 @@ static void clocks_init(struct device *dev,
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e |= unprotect_pm_master();
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/* effect->MADC+USB ck en */
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+ if (twl_has_madc())
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+ e |= twl_i2c_write_u8(TWL_MODULE_INTBR,
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+ MADC_HFCLK_EN | DEFAULT_MADC_CLK_EN, R_GPBR1);
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e |= twl_i2c_write_u8(TWL_MODULE_PM_MASTER, ctrl, R_CFG_BOOT);
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e |= protect_pm_master();
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diff --git a/include/linux/i2c/twl.h b/include/linux/i2c/twl.h
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index ba4f886..6802efc 100644
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--- a/include/linux/i2c/twl.h
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+++ b/include/linux/i2c/twl.h
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@@ -74,6 +74,7 @@
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#define TWL_MODULE_USB TWL4030_MODULE_USB
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#define TWL_MODULE_AUDIO_VOICE TWL4030_MODULE_AUDIO_VOICE
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+#define TWL_MODULE_INTBR TWL4030_MODULE_INTBR
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#define TWL_MODULE_PIH TWL4030_MODULE_PIH
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#define TWL_MODULE_MADC TWL4030_MODULE_MADC
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#define TWL_MODULE_MAIN_CHARGE TWL4030_MODULE_MAIN_CHARGE
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--
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1.7.2.5
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