[PATCH 1/3] ab8500-mfd: add regulator support to ab8500 mfd device

From: Sundar Iyer
Date: Tue Jul 13 2010 - 02:24:30 EST


From: Sundar R Iyer <sundar.iyer@xxxxxxxxxxxxxx>

Acked-by: Linus Walleij <linus.walleij@xxxxxxxxxxxxxx>
Acked-By: Mattias Wallin <mattias.wallin@xxxxxxxxxxxxxx>
Acked-By: Bengt JONSSON <bengt.g.jonsson@xxxxxxxxxxxxxx>
Signed-off-by: Sundar R Iyer <sundar.iyer@xxxxxxxxxxxxxx>
---
drivers/mfd/ab8500-core.c | 4 +++-
include/linux/mfd/ab8500.h | 6 ++++++
include/linux/regulator/ab8500.h | 25 +++++++++++++++++++++++++
3 files changed, 34 insertions(+), 1 deletions(-)
create mode 100644 include/linux/regulator/ab8500.h

diff --git a/drivers/mfd/ab8500-core.c b/drivers/mfd/ab8500-core.c
index f3d26fa..defa786 100644
--- a/drivers/mfd/ab8500-core.c
+++ b/drivers/mfd/ab8500-core.c
@@ -16,6 +16,7 @@
#include <linux/platform_device.h>
#include <linux/mfd/core.h>
#include <linux/mfd/ab8500.h>
+#include <linux/regulator/ab8500.h>

/*
* Interrupt register offsets
@@ -352,6 +353,7 @@ static struct mfd_cell ab8500_devs[] = {
{ .name = "ab8500-audio", },
{ .name = "ab8500-usb", },
{ .name = "ab8500-pwm", },
+ { .name = "ab8500-regulator", },
};

int __devinit ab8500_init(struct ab8500 *ab8500)
@@ -411,7 +413,7 @@ int __devinit ab8500_init(struct ab8500 *ab8500)
goto out_removeirq;
}

- ret = mfd_add_devices(ab8500->dev, -1, ab8500_devs,
+ ret = mfd_add_devices(ab8500->dev, 0, ab8500_devs,
ARRAY_SIZE(ab8500_devs), NULL,
ab8500->irq_base);
if (ret)
diff --git a/include/linux/mfd/ab8500.h b/include/linux/mfd/ab8500.h
index b63ff3b..f5cec45 100644
--- a/include/linux/mfd/ab8500.h
+++ b/include/linux/mfd/ab8500.h
@@ -76,6 +76,8 @@
#define AB8500_NR_IRQS 104
#define AB8500_NUM_IRQ_REGS 13

+#define AB8500_NUM_REGULATORS 15
+
/**
* struct ab8500 - ab8500 internal structure
* @dev: parent device
@@ -108,14 +110,18 @@ struct ab8500 {
u8 oldmask[AB8500_NUM_IRQ_REGS];
};

+struct regulator_init_data;
+
/**
* struct ab8500_platform_data - AB8500 platform data
* @irq_base: start of AB8500 IRQs, AB8500_NR_IRQS will be used
* @init: board-specific initialization after detection of ab8500
+ * @regulator: machine-specific constraints for regulators
*/
struct ab8500_platform_data {
int irq_base;
void (*init) (struct ab8500 *);
+ struct regulator_init_data *regulator[AB8500_NUM_REGULATORS];
};

extern int ab8500_write(struct ab8500 *a8500, u16 addr, u8 data);
diff --git a/include/linux/regulator/ab8500.h b/include/linux/regulator/ab8500.h
new file mode 100644
index 0000000..f509877
--- /dev/null
+++ b/include/linux/regulator/ab8500.h
@@ -0,0 +1,25 @@
+/*
+ * Copyright (C) ST-Ericsson SA 2010
+ *
+ * License Terms: GNU General Public License v2
+ *
+ * Author: Sundar Iyer <sundar.iyer@xxxxxxxxxxxxxx> for ST-Ericsson
+ *
+ */
+
+#ifndef __LINUX_MFD_AB8500_REGULATOR_H
+#define __LINUX_MFD_AB8500_REGULATOR_H
+
+/* AB8500 regulators */
+#define AB8500_LDO_AUX1 0
+#define AB8500_LDO_AUX2 1
+#define AB8500_LDO_AUX3 2
+#define AB8500_LDO_INTCORE 3
+#define AB8500_LDO_TVOUT 4
+#define AB8500_LDO_AUDIO 5
+#define AB8500_LDO_ANAMIC1 6
+#define AB8500_LDO_ANAMIC2 7
+#define AB8500_LDO_DMIC 8
+#define AB8500_LDO_ANA 9
+
+#endif
--
1.7.0

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