[U-Boot] [PATCH 2/3] misc:pmic:max8997 MAX8997 support for PMIC driver
Lukasz Majewski
l.majewski at samsung.com
Wed Mar 28 10:45:11 CEST 2012
This commit adds support for MAX8997 PMIC driver.
Signed-off-by: Lukasz Majewski <l.majewski at samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park at samsung.com>
Cc: Stefano Babic <sbabic at denx.de>
---
drivers/misc/Makefile | 1 +
drivers/misc/pmic_max8997.c | 60 ++++++++++++++
include/max8997_pmic.h | 190 +++++++++++++++++++++++++++++++++++++++++++
3 files changed, 251 insertions(+), 0 deletions(-)
create mode 100644 drivers/misc/pmic_max8997.c
create mode 100644 include/max8997_pmic.h
diff --git a/drivers/misc/Makefile b/drivers/misc/Makefile
index a709707..30c7f8d 100644
--- a/drivers/misc/Makefile
+++ b/drivers/misc/Makefile
@@ -39,6 +39,7 @@ COBJS-$(CONFIG_PMIC_FSL) += pmic_fsl.o
COBJS-$(CONFIG_PMIC_I2C) += pmic_i2c.o
COBJS-$(CONFIG_PMIC_SPI) += pmic_spi.o
COBJS-$(CONFIG_PMIC_MAX8998) += pmic_max8998.o
+COBJS-$(CONFIG_PMIC_MAX8997) += pmic_max8997.o
COBJS := $(COBJS-y)
SRCS := $(COBJS:.o=.c)
diff --git a/drivers/misc/pmic_max8997.c b/drivers/misc/pmic_max8997.c
new file mode 100644
index 0000000..506162f
--- /dev/null
+++ b/drivers/misc/pmic_max8997.c
@@ -0,0 +1,60 @@
+/*
+ * Copyright (C) 2011 Samsung Electronics
+ * Lukasz Majewski <l.majewski at samsung.com>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <pmic.h>
+#include <max8997_pmic.h>
+
+int voltage_to_reg(int uV)
+{
+ unsigned char ret;
+ if (uV <= 800000)
+ return 0;
+ if (uV >= 3950000)
+ return 0x3f;
+ ret = (uV - 800000) / 50000;
+ if (ret > 0x3f) {
+ printf("MAX8997 LDO SETTING ERROR (%duV) -> %u\n", uV, ret);
+ ret = 0x3f;
+ }
+
+ return ret;
+}
+
+int pmic_init(void)
+{
+ struct pmic *p = get_pmic();
+ static const char name[] = "MAX8997_PMIC";
+
+ puts("Board PMIC init\n");
+
+ p->name = name;
+ p->interface = PMIC_I2C;
+ p->number_of_regs = PMIC_NUM_OF_REGS;
+ p->hw.i2c.addr = MAX8997_I2C_ADDR;
+ p->hw.i2c.tx_num = 1;
+ p->bus = I2C_PMIC;
+ p->voltage_to_reg_conv = voltage_to_reg;
+
+ return 0;
+}
diff --git a/include/max8997_pmic.h b/include/max8997_pmic.h
new file mode 100644
index 0000000..17ae24e
--- /dev/null
+++ b/include/max8997_pmic.h
@@ -0,0 +1,190 @@
+/*
+ * Copyright (C) 2011 Samsung Electronics
+ * Lukasz Majewski <l.majewski at samsung.com>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#ifndef __MAX8997_PMIC_H_
+#define __MAX8997_PMIC_H_
+
+/* MAX 8997 registers */
+enum {
+ MAX8997_REG_PMIC_ID0 = 0x00,
+ MAX8997_REG_PMIC_ID1 = 0x01,
+ MAX8997_REG_INTSRC = 0x02,
+ MAX8997_REG_INT1 = 0x03,
+ MAX8997_REG_INT2 = 0x04,
+ MAX8997_REG_INT3 = 0x05,
+ MAX8997_REG_INT4 = 0x06,
+
+ MAX8997_REG_INT1MSK = 0x08,
+ MAX8997_REG_INT2MSK = 0x09,
+ MAX8997_REG_INT3MSK = 0x0a,
+ MAX8997_REG_INT4MSK = 0x0b,
+
+ MAX8997_REG_STATUS1 = 0x0d,
+ MAX8997_REG_STATUS2 = 0x0e,
+ MAX8997_REG_STATUS3 = 0x0f,
+ MAX8997_REG_STATUS4 = 0x10,
+
+ MAX8997_REG_MAINCON1 = 0x13,
+ MAX8997_REG_MAINCON2 = 0x14,
+ MAX8997_REG_BUCKRAMP = 0x15,
+
+ MAX8997_REG_BUCK1CTRL = 0x18,
+ MAX8997_REG_BUCK1DVS1 = 0x19,
+ MAX8997_REG_BUCK1DVS2 = 0x1a,
+ MAX8997_REG_BUCK1DVS3 = 0x1b,
+ MAX8997_REG_BUCK1DVS4 = 0x1c,
+ MAX8997_REG_BUCK1DVS5 = 0x1d,
+ MAX8997_REG_BUCK1DVS6 = 0x1e,
+ MAX8997_REG_BUCK1DVS7 = 0x1f,
+ MAX8997_REG_BUCK1DVS8 = 0x20,
+ MAX8997_REG_BUCK2CTRL = 0x21,
+ MAX8997_REG_BUCK2DVS1 = 0x22,
+ MAX8997_REG_BUCK2DVS2 = 0x23,
+ MAX8997_REG_BUCK2DVS3 = 0x24,
+ MAX8997_REG_BUCK2DVS4 = 0x25,
+ MAX8997_REG_BUCK2DVS5 = 0x26,
+ MAX8997_REG_BUCK2DVS6 = 0x27,
+ MAX8997_REG_BUCK2DVS7 = 0x28,
+ MAX8997_REG_BUCK2DVS8 = 0x29,
+ MAX8997_REG_BUCK3CTRL = 0x2a,
+ MAX8997_REG_BUCK3DVS = 0x2b,
+ MAX8997_REG_BUCK4CTRL = 0x2c,
+ MAX8997_REG_BUCK4DVS = 0x2d,
+ MAX8997_REG_BUCK5CTRL = 0x2e,
+ MAX8997_REG_BUCK5DVS1 = 0x2f,
+ MAX8997_REG_BUCK5DVS2 = 0x30,
+ MAX8997_REG_BUCK5DVS3 = 0x31,
+ MAX8997_REG_BUCK5DVS4 = 0x32,
+ MAX8997_REG_BUCK5DVS5 = 0x33,
+ MAX8997_REG_BUCK5DVS6 = 0x34,
+ MAX8997_REG_BUCK5DVS7 = 0x35,
+ MAX8997_REG_BUCK5DVS8 = 0x36,
+ MAX8997_REG_BUCK6CTRL = 0x37,
+ MAX8997_REG_BUCK6BPSKIPCTRL = 0x38,
+ MAX8997_REG_BUCK7CTRL = 0x39,
+ MAX8997_REG_BUCK7DVS = 0x3a,
+ MAX8997_REG_LDO1CTRL = 0x3b,
+ MAX8997_REG_LDO2CTRL = 0x3c,
+ MAX8997_REG_LDO3CTRL = 0x3d,
+ MAX8997_REG_LDO4CTRL = 0x3e,
+ MAX8997_REG_LDO5CTRL = 0x3f,
+ MAX8997_REG_LDO6CTRL = 0x40,
+ MAX8997_REG_LDO7CTRL = 0x41,
+ MAX8997_REG_LDO8CTRL = 0x42,
+ MAX8997_REG_LDO9CTRL = 0x43,
+ MAX8997_REG_LDO10CTRL = 0x44,
+ MAX8997_REG_LDO11CTRL = 0x45,
+ MAX8997_REG_LDO12CTRL = 0x46,
+ MAX8997_REG_LDO13CTRL = 0x47,
+ MAX8997_REG_LDO14CTRL = 0x48,
+ MAX8997_REG_LDO15CTRL = 0x49,
+ MAX8997_REG_LDO16CTRL = 0x4a,
+ MAX8997_REG_LDO17CTRL = 0x4b,
+ MAX8997_REG_LDO18CTRL = 0x4c,
+ MAX8997_REG_LDO21CTRL = 0x4d,
+
+ MAX8997_REG_MBCCTRL1 = 0x50,
+ MAX8997_REG_MBCCTRL2 = 0x51,
+ MAX8997_REG_MBCCTRL3 = 0x52,
+ MAX8997_REG_MBCCTRL4 = 0x53,
+ MAX8997_REG_MBCCTRL5 = 0x54,
+ MAX8997_REG_MBCCTRL6 = 0x55,
+ MAX8997_REG_OTPCGHCVS = 0x56,
+
+ MAX8997_REG_SAFEOUTCTRL = 0x5a,
+
+ MAX8997_REG_LBCNFG1 = 0x5e,
+ MAX8997_REG_LBCNFG2 = 0x5f,
+ MAX8997_REG_BBCCTRL = 0x60,
+
+ MAX8997_REG_FLASH1_CUR = 0x63, /* 0x63 ~ 0x6e for FLASH */
+ MAX8997_REG_FLASH2_CUR = 0x64,
+ MAX8997_REG_MOVIE_CUR = 0x65,
+ MAX8997_REG_GSMB_CUR = 0x66,
+ MAX8997_REG_BOOST_CNTL = 0x67,
+ MAX8997_REG_LEN_CNTL = 0x68,
+ MAX8997_REG_FLASH_CNTL = 0x69,
+ MAX8997_REG_WDT_CNTL = 0x6a,
+ MAX8997_REG_MAXFLASH1 = 0x6b,
+ MAX8997_REG_MAXFLASH2 = 0x6c,
+ MAX8997_REG_FLASHSTATUS = 0x6d,
+ MAX8997_REG_FLASHSTATUSMASK = 0x6e,
+
+ MAX8997_REG_GPIOCNTL1 = 0x70,
+ MAX8997_REG_GPIOCNTL2 = 0x71,
+ MAX8997_REG_GPIOCNTL3 = 0x72,
+ MAX8997_REG_GPIOCNTL4 = 0x73,
+ MAX8997_REG_GPIOCNTL5 = 0x74,
+ MAX8997_REG_GPIOCNTL6 = 0x75,
+ MAX8997_REG_GPIOCNTL7 = 0x76,
+ MAX8997_REG_GPIOCNTL8 = 0x77,
+ MAX8997_REG_GPIOCNTL9 = 0x78,
+ MAX8997_REG_GPIOCNTL10 = 0x79,
+ MAX8997_REG_GPIOCNTL11 = 0x7a,
+ MAX8997_REG_GPIOCNTL12 = 0x7b,
+
+ MAX8997_REG_LDO1CONFIG = 0x80,
+ MAX8997_REG_LDO2CONFIG = 0x81,
+ MAX8997_REG_LDO3CONFIG = 0x82,
+ MAX8997_REG_LDO4CONFIG = 0x83,
+ MAX8997_REG_LDO5CONFIG = 0x84,
+ MAX8997_REG_LDO6CONFIG = 0x85,
+ MAX8997_REG_LDO7CONFIG = 0x86,
+ MAX8997_REG_LDO8CONFIG = 0x87,
+ MAX8997_REG_LDO9CONFIG = 0x88,
+ MAX8997_REG_LDO10CONFIG = 0x89,
+ MAX8997_REG_LDO11CONFIG = 0x8a,
+ MAX8997_REG_LDO12CONFIG = 0x8b,
+ MAX8997_REG_LDO13CONFIG = 0x8c,
+ MAX8997_REG_LDO14CONFIG = 0x8d,
+ MAX8997_REG_LDO15CONFIG = 0x8e,
+ MAX8997_REG_LDO16CONFIG = 0x8f,
+ MAX8997_REG_LDO17CONFIG = 0x90,
+ MAX8997_REG_LDO18CONFIG = 0x91,
+ MAX8997_REG_LDO21CONFIG = 0x92,
+
+ MAX8997_REG_DVSOKTIMER1 = 0x97,
+ MAX8997_REG_DVSOKTIMER2 = 0x98,
+ MAX8997_REG_DVSOKTIMER4 = 0x99,
+ MAX8997_REG_DVSOKTIMER5 = 0x9a,
+
+ PMIC_NUM_OF_REGS = 0x9b,
+};
+
+#define ENSAFEOUT1 (1 << 6)
+#define ENSAFEOUT2 (1 << 7)
+
+#define MAX8997_I2C_ADDR (0xCC >> 1)
+#define MAX8997_RTC_ADDR (0x0C >> 1)
+#define MAX8997_MUIC_ADDR (0x4A >> 1)
+#define MAX8997_FG_ADDR (0x6C >> 1)
+
+enum {
+ LDO_OFF = 0,
+ LDO_ON = 1,
+
+ DIS_LDO = (0x00 << 6),
+ EN_LDO = (0x3 << 6),
+};
+
+#endif /* __MAX8997_PMIC_H_ */
--
1.7.2.3
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