ab8500-fg: Add power cut feature for ab8505 and ab8540
Add support for a power cut feature which allows user to
configure when ab8505 and ab8540 based platforms should shut
down system due to low battery.
Signed-off-by: Lee Jones <lee.jones@linaro.org>
diff --git a/include/linux/mfd/abx500.h b/include/linux/mfd/abx500.h
index 9ead60b..188aedc 100644
--- a/include/linux/mfd/abx500.h
+++ b/include/linux/mfd/abx500.h
@@ -89,6 +89,11 @@
* points.
* @maint_thres This is the threshold where we stop reporting
* battery full while in maintenance, in per cent
+ * @pcut_enable: Enable power cut feature in ab8505
+ * @pcut_max_time: Max time threshold
+ * @pcut_flag_time: Flagtime threshold
+ * @pcut_max_restart: Max number of restarts
+ * @pcut_debounce_time: Sets battery debounce time
*/
struct abx500_fg_parameters {
int recovery_sleep_timer;
@@ -106,6 +111,11 @@
int battok_raising_th_sel1;
int user_cap_limit;
int maint_thres;
+ bool pcut_enable;
+ u8 pcut_max_time;
+ u8 pcut_flag_time;
+ u8 pcut_max_restart;
+ u8 pcut_debounce_time;
};
/**
diff --git a/include/linux/mfd/abx500/ab8500-bm.h b/include/linux/mfd/abx500/ab8500-bm.h
index 8d35bfe..0efbe0e 100644
--- a/include/linux/mfd/abx500/ab8500-bm.h
+++ b/include/linux/mfd/abx500/ab8500-bm.h
@@ -235,6 +235,14 @@
/* Battery type */
#define BATTERY_UNKNOWN 00
+/* Registers for pcut feature in ab8505 and ab9540 */
+#define AB8505_RTC_PCUT_CTL_STATUS_REG 0x12
+#define AB8505_RTC_PCUT_TIME_REG 0x13
+#define AB8505_RTC_PCUT_MAX_TIME_REG 0x14
+#define AB8505_RTC_PCUT_FLAG_TIME_REG 0x15
+#define AB8505_RTC_PCUT_RESTART_REG 0x16
+#define AB8505_RTC_PCUT_DEBOUNCE_REG 0x17
+
/**
* struct res_to_temp - defines one point in a temp to res curve. To
* be used in battery packs that combines the identification resistor with a
@@ -283,6 +291,11 @@
* points.
* @maint_thres This is the threshold where we stop reporting
* battery full while in maintenance, in per cent
+ * @pcut_enable: Enable power cut feature in ab8505
+ * @pcut_max_time: Max time threshold
+ * @pcut_flag_time: Flagtime threshold
+ * @pcut_max_restart: Max number of restarts
+ * @pcut_debunce_time: Sets battery debounce time
*/
struct ab8500_fg_parameters {
int recovery_sleep_timer;
@@ -299,6 +312,11 @@
int battok_raising_th_sel1;
int user_cap_limit;
int maint_thres;
+ bool pcut_enable;
+ u8 pcut_max_time;
+ u8 pcut_flag_time;
+ u8 pcut_max_restart;
+ u8 pcut_debunce_time;
};
/**