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-rw-r--r--drivers/power/pmic/Makefile49
-rw-r--r--drivers/power/pmic/muic_max8997.c90
-rw-r--r--drivers/power/pmic/pmic_max8997.c123
-rw-r--r--drivers/power/pmic/pmic_max8998.c49
4 files changed, 311 insertions, 0 deletions
diff --git a/drivers/power/pmic/Makefile b/drivers/power/pmic/Makefile
new file mode 100644
index 0000000..e19a9a8
--- /dev/null
+++ b/drivers/power/pmic/Makefile
@@ -0,0 +1,49 @@
+#
+# Copyright (C) 2012 Samsung Electronics
+# Lukasz Majewski <l.majewski@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 $(TOPDIR)/config.mk
+
+LIB := $(obj)libpmic.o
+
+COBJS-$(CONFIG_POWER_MAX8998) += pmic_max8998.o
+COBJS-$(CONFIG_POWER_MAX8997) += pmic_max8997.o
+COBJS-$(CONFIG_POWER_MUIC_MAX8997) += muic_max8997.o
+
+COBJS := $(COBJS-y)
+SRCS := $(COBJS:.o=.c)
+OBJS := $(addprefix $(obj),$(COBJS))
+
+all: $(LIB)
+
+$(LIB): $(obj).depend $(OBJS)
+ $(call cmd_link_o_target, $(OBJS))
+
+
+#########################################################################
+
+# defines $(obj).depend target
+include $(SRCTREE)/rules.mk
+
+sinclude $(obj).depend
+
+########################################################################
diff --git a/drivers/power/pmic/muic_max8997.c b/drivers/power/pmic/muic_max8997.c
new file mode 100644
index 0000000..d5095c8
--- /dev/null
+++ b/drivers/power/pmic/muic_max8997.c
@@ -0,0 +1,90 @@
+/*
+ * Copyright (C) 2012 Samsung Electronics
+ * Lukasz Majewski <l.majewski@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 <power/pmic.h>
+#include <power/power_chrg.h>
+#include <power/max8997_muic.h>
+#include <i2c.h>
+#include <errno.h>
+
+static int power_chrg_get_type(struct pmic *p)
+{
+ unsigned int val;
+ unsigned char charge_type, charger;
+
+ if (pmic_probe(p))
+ return CHARGER_NO;
+
+ pmic_reg_read(p, MAX8997_MUIC_STATUS2, &val);
+ charge_type = val & MAX8997_MUIC_CHG_MASK;
+
+ switch (charge_type) {
+ case MAX8997_MUIC_CHG_NO:
+ charger = CHARGER_NO;
+ break;
+ case MAX8997_MUIC_CHG_USB:
+ case MAX8997_MUIC_CHG_USB_D:
+ charger = CHARGER_USB;
+ break;
+ case MAX8997_MUIC_CHG_TA:
+ case MAX8997_MUIC_CHG_TA_1A:
+ charger = CHARGER_TA;
+ break;
+ case MAX8997_MUIC_CHG_TA_500:
+ charger = CHARGER_TA_500;
+ break;
+ default:
+ charger = CHARGER_UNKNOWN;
+ break;
+ }
+
+ return charger;
+}
+
+static struct power_chrg power_chrg_muic_ops = {
+ .chrg_type = power_chrg_get_type,
+};
+
+int power_muic_init(unsigned int bus)
+{
+ static const char name[] = "MAX8997_MUIC";
+ struct pmic *p = pmic_alloc();
+
+ if (!p) {
+ printf("%s: POWER allocation error!\n", __func__);
+ return -ENOMEM;
+ }
+
+ debug("Board Micro USB Interface Controller init\n");
+
+ p->name = name;
+ p->interface = PMIC_I2C;
+ p->number_of_regs = MUIC_NUM_OF_REGS;
+ p->hw.i2c.addr = MAX8997_MUIC_I2C_ADDR;
+ p->hw.i2c.tx_num = 1;
+ p->bus = bus;
+
+ p->chrg = &power_chrg_muic_ops;
+ return 0;
+}
diff --git a/drivers/power/pmic/pmic_max8997.c b/drivers/power/pmic/pmic_max8997.c
new file mode 100644
index 0000000..4e5c6d6
--- /dev/null
+++ b/drivers/power/pmic/pmic_max8997.c
@@ -0,0 +1,123 @@
+/*
+ * Copyright (C) 2012 Samsung Electronics
+ * Lukasz Majewski <l.majewski@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 <power/pmic.h>
+#include <power/max8997_pmic.h>
+#include <i2c.h>
+#include <errno.h>
+
+unsigned char max8997_reg_ldo(int uV)
+{
+ unsigned char ret;
+ if (uV <= 800000)
+ return 0;
+ if (uV >= 3950000)
+ return MAX8997_LDO_MAX_VAL;
+ ret = (uV - 800000) / 50000;
+ if (ret > MAX8997_LDO_MAX_VAL) {
+ printf("MAX8997 LDO SETTING ERROR (%duV) -> %u\n", uV, ret);
+ ret = MAX8997_LDO_MAX_VAL;
+ }
+
+ return ret;
+}
+
+static int pmic_charger_state(struct pmic *p, int state, int current)
+{
+ unsigned char fc;
+ u32 val = 0;
+
+ if (pmic_probe(p))
+ return -1;
+
+ if (state == CHARGER_DISABLE) {
+ puts("Disable the charger.\n");
+ pmic_reg_read(p, MAX8997_REG_MBCCTRL2, &val);
+ val &= ~(MBCHOSTEN | VCHGR_FC);
+ pmic_reg_write(p, MAX8997_REG_MBCCTRL2, val);
+
+ return -1;
+ }
+
+ if (current < CHARGER_MIN_CURRENT || current > CHARGER_MAX_CURRENT) {
+ printf("%s: Wrong charge current: %d [mA]\n",
+ __func__, current);
+ return -1;
+ }
+
+ fc = (current - CHARGER_MIN_CURRENT) / CHARGER_CURRENT_RESOLUTION;
+ fc = fc & 0xf; /* up to 950 mA */
+
+ printf("Enable the charger @ %d [mA]\n", fc * CHARGER_CURRENT_RESOLUTION
+ + CHARGER_MIN_CURRENT);
+
+ val = fc | MBCICHFCSET;
+ pmic_reg_write(p, MAX8997_REG_MBCCTRL4, val);
+
+ pmic_reg_read(p, MAX8997_REG_MBCCTRL2, &val);
+ val = MBCHOSTEN | VCHGR_FC; /* enable charger & fast charge */
+ pmic_reg_write(p, MAX8997_REG_MBCCTRL2, val);
+
+ return 0;
+}
+
+static int pmic_charger_bat_present(struct pmic *p)
+{
+ u32 val;
+
+ if (pmic_probe(p))
+ return -1;
+
+ pmic_reg_read(p, MAX8997_REG_STATUS4, &val);
+
+ return !(val & DETBAT);
+}
+
+static struct power_chrg power_chrg_pmic_ops = {
+ .chrg_bat_present = pmic_charger_bat_present,
+ .chrg_state = pmic_charger_state,
+};
+
+int pmic_init(unsigned char bus)
+{
+ static const char name[] = "MAX8997_PMIC";
+ struct pmic *p = pmic_alloc();
+
+ if (!p) {
+ printf("%s: POWER allocation error!\n", __func__);
+ return -ENOMEM;
+ }
+
+ debug("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 = bus;
+
+ p->chrg = &power_chrg_pmic_ops;
+ return 0;
+}
diff --git a/drivers/power/pmic/pmic_max8998.c b/drivers/power/pmic/pmic_max8998.c
new file mode 100644
index 0000000..452e1c8
--- /dev/null
+++ b/drivers/power/pmic/pmic_max8998.c
@@ -0,0 +1,49 @@
+/*
+ * Copyright (C) 2011 Samsung Electronics
+ * Lukasz Majewski <l.majewski@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 <power/pmic.h>
+#include <power/max8998_pmic.h>
+#include <errno.h>
+
+int pmic_init(unsigned char bus)
+{
+ static const char name[] = "MAX8998_PMIC";
+ struct pmic *p = pmic_alloc();
+
+ if (!p) {
+ printf("%s: POWER allocation error!\n", __func__);
+ return -ENOMEM;
+ }
+
+ puts("Board PMIC init\n");
+
+ p->name = name;
+ p->interface = PMIC_I2C;
+ p->number_of_regs = PMIC_NUM_OF_REGS;
+ p->hw.i2c.addr = MAX8998_I2C_ADDR;
+ p->hw.i2c.tx_num = 1;
+ p->bus = bus;
+
+ return 0;
+}
generated by cgit v1.1 at 2024-07-17 02:07:04 +0000