1 files changed, 67 insertions, 0 deletions
diff --git a/firmware/e300/battery/ltc3675.h b/firmware/e300/battery/ltc3675.h
new file mode 100644
index 000000000..f06fc4fc2
--- /dev/null
+++ b/firmware/e300/battery/ltc3675.h
@@ -0,0 +1,67 @@
+/* USRP E310 Firmware Linear Technology LTC3765 driver
+ * Copyright (C) 2014 Ettus Research
+ * This file is part of the USRP E310 Firmware
+ * The USRP E310 Firmware 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.
+ * The USRP E310 Firmware 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 the USRP E310 Firmware. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+/**
+ * \file ltc3675.h
+ * \brief Linear Technology LTC3675 driver
+ */
+
+#ifndef LTC3675_H
+#define LTC3675_H
+
+#include "pmu.h"
+
+typedef enum ltc3675_regulator {
+	/** 1A Buck */
+	LTC3675_REG_1,
+	/** 1A Buck */
+	LTC3675_REG_2,
+	/** 500mA Buck */
+	LTC3675_REG_3,
+	/** 500mA Buck */
+	LTC3675_REG_4,
+	/** 1A Boost */
+	LTC3675_REG_5,
+	/** 1A Buck-Boost */
+	LTC3675_REG_6,
+} ltc3675_regulator_t;
+
+typedef struct ltc3675_pmu_regulator {
+	pmu_regulator_t pmu_reg;
+	ltc3675_regulator_t ltc3675_reg;
+} ltc3675_pmu_regulator_t;
+
+extern const pmu_regulator_ops_t ltc3675_ops;
+
+/**
+ * \brief Initializes the LTC3675 chip
+ *
+ * This function will setup the internal pull-up resistors for the open drain
+ * input pins, clear old interrupts, unmask all warnings and set the warning
+ * level to 3.4V
+ */
+int8_t ltc3675_init(void);
+
+/**
+ * \brief Event handler that gets called periodically
+ * \return returns 0 on success, negative error code in case of fault
+ */
+int8_t ltc3675_handle_events(void);
+
+extern irqreturn_t ltc3675_button_wakeup_irq_handler(void);
+extern irqreturn_t ltc3675_button_change_irq_handler(void);
+extern irqreturn_t ltc3675_button_timer_irq_handler(void);
+
+#endif /* LTC3675_H */