Patchwork [U-Boot,v3,10/24] pmic:battery: Support for Trats Battery at PMIC framework

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Submitter Łukasz Majewski
Date Oct. 19, 2012, 3:43 p.m.
Message ID <1350661451-1273-11-git-send-email-l.majewski@samsung.com>
Download mbox | patch
Permalink /patch/192750/
State Superseded
Delegated to: Tom Rini
Headers show

Comments

Łukasz Majewski - Oct. 19, 2012, 3:43 p.m.
Trats battery is now treated in the same way as other power related
devices. This approach allows for more unified handling of all devices
responsible for power management.

Signed-off-by: Lukasz Majewski <l.majewski@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Cc: Stefano Babic <sbabic@denx.de>
---
Changes for v2:
- New patch at v2.

Changes for v3:
- only battery dependent battery_init method added
- change code according to struct pmic redesign
---
 drivers/power/Makefile            |    1 +
 drivers/power/battery/bat_trats.c |   94 +++++++++++++++++++++++++++++++++++++
 2 files changed, 95 insertions(+), 0 deletions(-)
 create mode 100644 drivers/power/battery/bat_trats.c

Patch

diff --git a/drivers/power/Makefile b/drivers/power/Makefile
index 7016d5b..74a0990 100644
--- a/drivers/power/Makefile
+++ b/drivers/power/Makefile
@@ -38,6 +38,7 @@  COBJS-$(CONFIG_PMIC_I2C) += pmic_i2c.o
 COBJS-$(CONFIG_PMIC_SPI) += pmic_spi.o
 COBJS-$(CONFIG_PMIC_MAX8998) += max8998/pmic_max8998.o
 COBJS-$(CONFIG_PMIC_MAX8997) += max8997/pmic_max8997.o
+COBJS-$(CONFIG_POWER_BATTERY_TRATS) += battery/bat_trats.o
 
 COBJS	:= $(COBJS-y)
 SRCS 	:= $(COBJS:.o=.c)
diff --git a/drivers/power/battery/bat_trats.c b/drivers/power/battery/bat_trats.c
new file mode 100644
index 0000000..255a34e
--- /dev/null
+++ b/drivers/power/battery/bat_trats.c
@@ -0,0 +1,94 @@ 
+/*
+ *  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/battery.h>
+#include <power/max8997_pmic.h>
+
+static struct battery battery_trats;
+
+static int power_battery_charge(struct pmic *bat)
+{
+	struct power_battery *p_bat = bat->pbat;
+	struct battery *battery = p_bat->bat;
+	int k;
+
+	if (bat->chrg->chrg_state(p_bat->chrg, CHARGER_ENABLE, 450))
+		return -1;
+
+	for (k = 0; bat->chrg->chrg_bat_present(p_bat->chrg) &&
+		     bat->chrg->chrg_type(p_bat->muic) &&
+		     battery->state_of_chrg < 5; k++) {
+		udelay(10000000);
+		puts(".");
+		bat->fg->fg_battery_update(p_bat->fg, bat);
+
+		if (k == 100) {
+			debug(" %d [V]", battery->voltage_uV);
+			puts("\n");
+			k = 0;
+		}
+
+	}
+
+	bat->chrg->chrg_state(p_bat->chrg, CHARGER_DISABLE, 0);
+
+	return 0;
+}
+
+static int power_battery_init_trats(struct pmic *bat_,
+				    struct pmic *fg_,
+				    struct pmic *chrg_,
+				    struct pmic *muic_)
+{
+	bat_->pbat->fg = fg_;
+	bat_->pbat->chrg = chrg_;
+	bat_->pbat->muic = muic_;
+
+	bat_->fg = fg_->fg;
+	bat_->chrg = chrg_->chrg;
+	bat_->chrg->chrg_type = muic_->chrg->chrg_type;
+	return 0;
+}
+
+static struct power_battery power_bat_trats = {
+	.bat = &battery_trats,
+	.battery_init = power_battery_init_trats,
+	.battery_charge = power_battery_charge,
+};
+
+int power_bat_init(unsigned char bus)
+{
+	struct pmic *p = pmic_alloc();
+	static const char name[] = "BAT_TRATS";
+
+	debug("Board BAT init\n");
+
+	p->interface = PMIC_NONE;
+	p->name = name;
+	p->bus = bus;
+
+	p->pbat = &power_bat_trats;
+	return 0;
+}