Regulators: Add max8907c and max8952

Add max8907c regulator and mfd driver.
Add max8952 regulator driver.

Change-Id: If63b724647d887a8088da0f2deb8af91e4fe3cfa
Signed-off-by: Jin Park <jinyoungp@nvidia.com>
Reviewed-on: http://git-master/r/9902
Reviewed-by: Thomas Cherry <tcherry@nvidia.com>
Reviewed-by: Bharat Nihalani <bnihalani@nvidia.com>
Tested-by: Bharat Nihalani <bnihalani@nvidia.com>

3 files changed, 269 insertions, 0 deletions

diff --git a/include/linux/mfd/max8907c.h b/include/linux/mfd/max8907c.h
new file mode 100644
index 000000000000..c78849a32860
--- /dev/null
+++ b/include/linux/mfd/max8907c.h
@@ -0,0 +1,183 @@
+/* linux/mfd/max8907c.h
+ *
+ * Functions to access MAX8907C power management chip.
+ *
+ * Copyright (C) 2010 Gyungoh Yoo <jack.yoo@maxim-ic.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#ifndef __LINUX_MFD_MAX8907C_H
+#define __LINUX_MFD_MAX8907C_H
+
+/* MAX8907C register map */
+#define MAX8907C_REG_SYSENSEL               0x00
+#define MAX8907C_REG_ON_OFF_IRQ1            0x01
+#define MAX8907C_REG_ON_OFF_IRQ1_MASK       0x02
+#define MAX8907C_REG_ON_OFF_STAT            0x03
+#define MAX8907C_REG_SDCTL1                 0x04
+#define MAX8907C_REG_SDSEQCNT1              0x05
+#define MAX8907C_REG_SDV1                   0x06
+#define MAX8907C_REG_SDCTL2                 0x07
+#define MAX8907C_REG_SDSEQCNT2              0x08
+#define MAX8907C_REG_SDV2                   0x09
+#define MAX8907C_REG_SDCTL3                 0x0A
+#define MAX8907C_REG_SDSEQCNT3              0x0B
+#define MAX8907C_REG_SDV3                   0x0C
+#define MAX8907C_REG_ON_OFF_IRQ2            0x0D
+#define MAX8907C_REG_ON_OFF_IRQ2_MASK       0x0E
+#define MAX8907C_REG_RESET_CNFG             0x0F
+#define MAX8907C_REG_LDOCTL16               0x10
+#define MAX8907C_REG_LDOSEQCNT16            0x11
+#define MAX8907C_REG_LDO16VOUT              0x12
+#define MAX8907C_REG_SDBYSEQCNT             0x13
+#define MAX8907C_REG_LDOCTL17               0x14
+#define MAX8907C_REG_LDOSEQCNT17            0x15
+#define MAX8907C_REG_LDO17VOUT              0x16
+#define MAX8907C_REG_LDOCTL1                0x18
+#define MAX8907C_REG_LDOSEQCNT1             0x19
+#define MAX8907C_REG_LDO1VOUT               0x1A
+#define MAX8907C_REG_LDOCTL2                0x1C
+#define MAX8907C_REG_LDOSEQCNT2             0x1D
+#define MAX8907C_REG_LDO2VOUT               0x1E
+#define MAX8907C_REG_LDOCTL3                0x20
+#define MAX8907C_REG_LDOSEQCNT3             0x21
+#define MAX8907C_REG_LDO3VOUT               0x22
+#define MAX8907C_REG_LDOCTL4                0x24
+#define MAX8907C_REG_LDOSEQCNT4             0x25
+#define MAX8907C_REG_LDO4VOUT               0x26
+#define MAX8907C_REG_LDOCTL5                0x28
+#define MAX8907C_REG_LDOSEQCNT5             0x29
+#define MAX8907C_REG_LDO5VOUT               0x2A
+#define MAX8907C_REG_LDOCTL6                0x2C
+#define MAX8907C_REG_LDOSEQCNT6             0x2D
+#define MAX8907C_REG_LDO6VOUT               0x2E
+#define MAX8907C_REG_LDOCTL7                0x30
+#define MAX8907C_REG_LDOSEQCNT7             0x31
+#define MAX8907C_REG_LDO7VOUT               0x32
+#define MAX8907C_REG_LDOCTL8                0x34
+#define MAX8907C_REG_LDOSEQCNT8             0x35
+#define MAX8907C_REG_LDO8VOUT               0x36
+#define MAX8907C_REG_LDOCTL9                0x38
+#define MAX8907C_REG_LDOSEQCNT9             0x39
+#define MAX8907C_REG_LDO9VOUT               0x3A
+#define MAX8907C_REG_LDOCTL10               0x3C
+#define MAX8907C_REG_LDOSEQCNT10            0x3D
+#define MAX8907C_REG_LDO10VOUT              0x3E
+#define MAX8907C_REG_LDOCTL11               0x40
+#define MAX8907C_REG_LDOSEQCNT11            0x41
+#define MAX8907C_REG_LDO11VOUT              0x42
+#define MAX8907C_REG_LDOCTL12               0x44
+#define MAX8907C_REG_LDOSEQCNT12            0x45
+#define MAX8907C_REG_LDO12VOUT              0x46
+#define MAX8907C_REG_LDOCTL13               0x48
+#define MAX8907C_REG_LDOSEQCNT13            0x49
+#define MAX8907C_REG_LDO13VOUT              0x4A
+#define MAX8907C_REG_LDOCTL14               0x4C
+#define MAX8907C_REG_LDOSEQCNT14            0x4D
+#define MAX8907C_REG_LDO14VOUT              0x4E
+#define MAX8907C_REG_LDOCTL15               0x50
+#define MAX8907C_REG_LDOSEQCNT15            0x51
+#define MAX8907C_REG_LDO15VOUT              0x52
+#define MAX8907C_REG_OUT5VEN                0x54
+#define MAX8907C_REG_OUT5VSEQ               0x55
+#define MAX8907C_REG_OUT33VEN               0x58
+#define MAX8907C_REG_OUT33VSEQ              0x59
+#define MAX8907C_REG_LDOCTL19               0x5C
+#define MAX8907C_REG_LDOSEQCNT19            0x5D
+#define MAX8907C_REG_LDO19VOUT              0x5E
+#define MAX8907C_REG_LBCNFG                 0x60
+#define MAX8907C_REG_SEQ1CNFG               0x64
+#define MAX8907C_REG_SEQ2CNFG               0x65
+#define MAX8907C_REG_SEQ3CNFG               0x66
+#define MAX8907C_REG_SEQ4CNFG               0x67
+#define MAX8907C_REG_SEQ5CNFG               0x68
+#define MAX8907C_REG_SEQ6CNFG               0x69
+#define MAX8907C_REG_SEQ7CNFG               0x6A
+#define MAX8907C_REG_LDOCTL18               0x72
+#define MAX8907C_REG_LDOSEQCNT18            0x73
+#define MAX8907C_REG_LDO18VOUT              0x74
+#define MAX8907C_REG_BBAT_CNFG              0x78
+#define MAX8907C_REG_CHG_CNTL1              0x7C
+#define MAX8907C_REG_CHG_CNTL2              0x7D
+#define MAX8907C_REG_CHG_IRQ1               0x7E
+#define MAX8907C_REG_CHG_IRQ2               0x7F
+#define MAX8907C_REG_CHG_IRQ1_MASK          0x80
+#define MAX8907C_REG_CHG_IRQ2_MASK          0x81
+#define MAX8907C_REG_CHG_STAT               0x82
+#define MAX8907C_REG_WLED_MODE_CNTL         0x84
+#define MAX8907C_REG_ILED_CNTL              0x84
+#define MAX8907C_REG_II1RR                  0x8E
+#define MAX8907C_REG_II2RR                  0x8F
+#define MAX8907C_REG_LDOCTL20               0x9C
+#define MAX8907C_REG_LDOSEQCNT20            0x9D
+#define MAX8907C_REG_LDO20VOUT              0x9E
+
+/* RTC register */
+#define MAX8907C_REG_RTC_SEC                0x00
+#define MAX8907C_REG_RTC_MIN                0x01
+#define MAX8907C_REG_RTC_HOURS              0x02
+#define MAX8907C_REG_RTC_WEEKDAY            0x03
+#define MAX8907C_REG_RTC_DATE               0x04
+#define MAX8907C_REG_RTC_MONTH              0x05
+#define MAX8907C_REG_RTC_YEAR1              0x06
+#define MAX8907C_REG_RTC_YEAR2              0x07
+#define MAX8907C_REG_ALARM0_SEC             0x08
+#define MAX8907C_REG_ALARM0_MIN             0x09
+#define MAX8907C_REG_ALARM0_HOURS           0x0A
+#define MAX8907C_REG_ALARM0_WEEKDAY         0x0B
+#define MAX8907C_REG_ALARM0_DATE            0x0C
+#define MAX8907C_REG_ALARM0_MONTH           0x0D
+#define MAX8907C_REG_ALARM0_YEAR1           0x0E
+#define MAX8907C_REG_ALARM0_YEAR2           0x0F
+#define MAX8907C_REG_ALARM1_SEC             0x10
+#define MAX8907C_REG_ALARM1_MIN             0x11
+#define MAX8907C_REG_ALARM1_HOURS           0x12
+#define MAX8907C_REG_ALARM1_WEEKDAY         0x13
+#define MAX8907C_REG_ALARM1_DATE            0x14
+#define MAX8907C_REG_ALARM1_MONTH           0x15
+#define MAX8907C_REG_ALARM1_YEAR1           0x16
+#define MAX8907C_REG_ALARM1_YEAR2           0x17
+#define MAX8907C_REG_ALARM0_CNTL            0x18
+#define MAX8907C_REG_ALARM1_CNTL            0x19
+#define MAX8907C_REG_RTC_STATUS             0x1A
+#define MAX8907C_REG_RTC_CNTL               0x1B
+#define MAX8907C_REG_RTC_IRQ                0x1C
+#define MAX8907C_REG_IRQ_IRQ_MASK           0x1D
+#define MAX8907C_REG_MPL_CNTL               0x1E
+
+/* ADC and Touch Screen Controller register map */
+
+#define MAX8907C_CTL     0
+#define MAX8907C_SEQCNT  1
+#define MAX8907C_VOUT    2
+
+/* mask bit fields */
+#define MAX8907C_MASK_LDO_SEQ           0x1C
+#define MAX8907C_MASK_LDO_EN            0x01
+#define MAX8907C_MASK_VBBATTCV          0x03
+#define MAX8907C_MASK_OUT5V_VINEN       0x10
+#define MAX8907C_MASK_OUT5V_ENSRC       0x0E
+#define MAX8907C_MASK_OUT5V_EN          0x01
+
+struct max8907c {
+	struct device *dev;
+
+	int (*read_dev) (void *io_data, u8 reg, u8 count, u8 * dst);
+	int (*write_dev) (void *io_data, u8 reg, u8 count, const u8 * src);
+
+	struct mutex io_lock;
+};
+
+struct max8907c_platform_data {
+	int num_subdevs;
+	struct platform_device **subdevs;
+};
+
+int max8907c_reg_read(struct device *dev, u8 reg);
+int max8907c_reg_write(struct device *dev, u8 reg, u8 val);
+int max8907c_set_bits(struct device *dev, u8 reg, u8 mask, u8 val);
+
+#endif
diff --git a/include/linux/regulator/max8907c-regulator.h b/include/linux/regulator/max8907c-regulator.h
new file mode 100644
index 000000000000..ddc5f0a60339
--- /dev/null
+++ b/include/linux/regulator/max8907c-regulator.h
@@ -0,0 +1,46 @@
+/* linux/regulator/max8907c-regulator.h
+ *
+ * Functions to access MAX8907C power management chip.
+ *
+ * Copyright (C) 2010 Gyungoh Yoo <jack.yoo@maxim-ic.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#ifndef __LINUX_REGULATOR_MAX8907C_H
+#define __LINUX_REGULATOR_MAX8907C_H
+
+/* IDs */
+#define MAX8907C_SD1    0
+#define MAX8907C_SD2    1
+#define MAX8907C_SD3    2
+#define MAX8907C_LDO1   3
+#define MAX8907C_LDO2   4
+#define MAX8907C_LDO3   5
+#define MAX8907C_LDO4   6
+#define MAX8907C_LDO5   7
+#define MAX8907C_LDO6   8
+#define MAX8907C_LDO7   9
+#define MAX8907C_LDO8   10
+#define MAX8907C_LDO9   11
+#define MAX8907C_LDO10  12
+#define MAX8907C_LDO11  13
+#define MAX8907C_LDO12  14
+#define MAX8907C_LDO13  15
+#define MAX8907C_LDO14  16
+#define MAX8907C_LDO15  17
+#define MAX8907C_LDO16  18
+#define MAX8907C_LDO17  19
+#define MAX8907C_LDO18  20
+#define MAX8907C_LDO19  21
+#define MAX8907C_LDO20  22
+#define MAX8907C_OUT5V  23
+#define MAX8907C_OUT33V 24
+#define MAX8907C_BBAT   25
+#define MAX8907C_SDBY   26
+#define MAX8907C_VRTC   27
+#define MAX8907C_WLED   27
+
+#endif
diff --git a/include/linux/regulator/max8952.h b/include/linux/regulator/max8952.h
new file mode 100644
index 000000000000..abe50beb1b55
--- /dev/null
+++ b/include/linux/regulator/max8952.h
@@ -0,0 +1,40 @@
+/* linux/regulator/max8952.h
+ *
+ * Functions to access MAX8952 power management chip.
+ *
+ * Copyright (C) 2010 Gyungoh Yoo <jack.yoo@maxim-ic.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#ifndef __LINUX_REGULATOR_MAX8952_H
+#define __LINUX_REGULATOR_MAX8952_H
+
+/* Regiater map */
+#define MAX8952_REG_MODE0           0x00
+#define MAX8952_REG_MODE1           0x01
+#define MAX8952_REG_MODE2           0x02
+#define MAX8952_REG_MODE3           0x03
+#define MAX8952_REG_CONTROL         0x04
+#define MAX8952_REG_SYNC            0x05
+#define MAX8952_REG_RAMP            0x06
+#define MAX8952_REG_CHIP_ID1        0x08
+#define MAX8952_REG_CHIP_ID2        0x09
+
+/* Register bit-mask */
+#define MAX8952_MASK_OUTMODE    0x3F
+
+/* IDs */
+#define MAX8952_MODE0   0
+#define MAX8952_MODE1   1
+#define MAX8952_MODE2   2
+#define MAX8952_MODE3   3
+
+struct max8952_platform_data {
+	int num_subdevs;
+	struct platform_device **subdevs;
+};
+
+#endif