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linux 3.0: enable 1GHz for beagle and add 2 MADC patches from sakomans tree

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Signed-off-by: Koen Kooi <koen@dominion.thruhere.net>
This commit is contained in:
Koen Kooi
2011-07-21 17:49:05 +02:00
parent 34ce3ae0c3
commit 2b4cb76e5f
4 changed files with 135 additions and 1 deletions
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recipes-kernel/linux/linux-3.0/madc/0001-Enabling-Hwmon-driver-for-twl4030-madc.patch
+46
View File
@@ -0,0 +1,46 @@
From 0822fbeb40d129a054c5a23bf825f282560cc26d Mon Sep 17 00:00:00 2001
From: Keerthy <j-keerthy@ti.com>
Date: Wed, 4 May 2011 01:14:50 +0530
Subject: [PATCH 1/2] Enabling Hwmon driver for twl4030-madc
Signed-off-by: Keerthy <j-keerthy@ti.com>
---
drivers/mfd/twl-core.c | 15 +++++++++++++++
1 files changed, 15 insertions(+), 0 deletions(-)
diff --git a/drivers/mfd/twl-core.c b/drivers/mfd/twl-core.c
index b8f2a4e..463ee67 100644
--- a/drivers/mfd/twl-core.c
+++ b/drivers/mfd/twl-core.c
@@ -83,6 +83,13 @@
#define twl_has_madc() false
#endif
+#if defined(CONFIG_SENSORS_TWL4030_MADC) ||\
+ defined(CONFIG_SENSORS_TWL4030_MADC_MODULE)
+#define twl_has_madc_hwmon() true
+#else
+#define twl_has_madc_hwmon() false
+#endif
+
#ifdef CONFIG_TWL4030_POWER
#define twl_has_power() true
#else
@@ -669,6 +676,14 @@ add_children(struct twl4030_platform_data *pdata, unsigned long features)
return PTR_ERR(child);
}
+if (twl_has_madc_hwmon()) {
+ child = add_child(2, "twl4030_madc_hwmon",
+ NULL, 0,
+ true, pdata->irq_base + MADC_INTR_OFFSET, 0);
+ if (IS_ERR(child))
+ return PTR_ERR(child);
+ }
+
if (twl_has_rtc()) {
/*
* REVISIT platform_data here currently might expose the
--
1.6.6.1
recipes-kernel/linux/linux-3.0/madc/0002-mfd-twl-core-enable-madc-clock.patch
+54
View File
@@ -0,0 +1,54 @@
From a5931ecd1718f6936fa3d84821b4d9a874251ff7 Mon Sep 17 00:00:00 2001
From: Steve Sakoman <steve@sakoman.com>
Date: Sat, 23 Jan 2010 06:26:54 -0800
Subject: [PATCH 2/2] 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 463ee67..e659d4e 100644
--- a/drivers/mfd/twl-core.c
+++ b/drivers/mfd/twl-core.c
@@ -217,6 +217,11 @@
/* 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)
@@ -1152,6 +1157,9 @@ 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 ba4f886..6802efc 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