ab8500-mfd: add regulator support to ab8500 mfd device

Acked-by: NLinus Walleij <linus.walleij@stericsson.com>
Acked-By: NMattias Wallin <mattias.wallin@stericsson.com>
Acked-By: NBengt JONSSON <bengt.g.jonsson@stericsson.com>
Signed-off-by: NSundar R Iyer <sundar.iyer@stericsson.com>
Acked-by: NMark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: NSamuel Ortiz <sameo@linux.intel.com>
Signed-off-by: NLiam Girdwood <lrg@slimlogic.co.uk>

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)

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);

include/linux/regulator/ab8500.h

+/*
+ * Copyright (C) ST-Ericsson SA 2010
+ *
+ * License Terms: GNU General Public License v2
+ *
+ * Author: Sundar Iyer <sundar.iyer@stericsson.com> 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