1 files changed, 38 insertions, 0 deletions
diff --git a/board/ryu/battery.c b/board/ryu/battery.c
new file mode 100644
index 0000000000..dc65128719
--- /dev/null
+++ b/board/ryu/battery.c
@@ -0,0 +1,38 @@
+/* Copyright 2014 The Chromium OS Authors. All rights reserved.
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ *
+ * Battery pack vendor provided charging profile
+ */
+
+#include "battery.h"
+#include "common.h"
+#include "i2c.h"
+
+/* Battery temperature ranges in degrees C */
+static const struct battery_info info = {
+	/* Design voltage */
+	.voltage_max    = 4350,
+	.voltage_normal = 3800,
+	.voltage_min    = 2800,
+	/* Pre-charge current: I <= 0.01C */
+	.precharge_current  = 64,  /* mA */
+	/* Operational temperature range */
+	.start_charging_min_c = 0,
+	.start_charging_max_c = 45,
+	.charging_min_c       = 0,
+	.charging_max_c       = 50,
+	.discharging_min_c    = -20,
+	.discharging_max_c    = 60,
+};
+
+const struct battery_info *battery_get_info(void)
+{
+	return &info;
+}
+
+int board_cut_off_battery(void)
+{
+	/* Write SET_SHUTDOWN(0x13) to CTRL(0x00) */
+	return i2c_write16(I2C_PORT_BATTERY, 0xaa, 0x0, 0x13);
+}