target: msm8952: Enable weak battery charging support
Enable weak battery charging support for Spyro in LK.
LK charges battery from SBL exit threshold (3.2V) to
HLOS entry threshold 3.4V (configurable).
Change-Id: Iae02319620ccdc34bbff09abaece82bf9ae385a9
Signed-off-by: Umang Chheda <uchheda@codeaurora.org>
diff --git a/dev/pmic/pm8x41/rules.mk b/dev/pmic/pm8x41/rules.mk
index 19d15be..2ee5c00 100644
--- a/dev/pmic/pm8x41/rules.mk
+++ b/dev/pmic/pm8x41/rules.mk
@@ -7,6 +7,12 @@
$(LOCAL_DIR)/pm8x41_adc.o \
$(LOCAL_DIR)/pm8x41_wled.o
+ifeq ($(ENABLE_WEAK_BATT_CHRG_SUPPORT),1)
+OBJS += \
+ $(LOCAL_DIR)/qpnp-smb2.o \
+ $(LOCAL_DIR)/qpnp-fg-gen3.o
+endif
+
ifeq ($(ENABLE_PON_VIB_SUPPORT),true)
OBJS += \
$(LOCAL_DIR)/pm8x41_vib.o
diff --git a/project/msm8952.mk b/project/msm8952.mk
index a9cf70e..ac8da71 100644
--- a/project/msm8952.mk
+++ b/project/msm8952.mk
@@ -99,6 +99,13 @@
DEFINES += SMD_SUPPORT=1
endif
+#Enable Weak battery charging feature
+ENABLE_WEAK_BATT_CHRG_SUPPORT := 1
+
+ifeq ($(ENABLE_WEAK_BATT_CHRG_SUPPORT),1)
+DEFINES += WEAK_BATT_CHRG_SUPPORT=1
+DEFINES += LK_BATT_VOLT_THRESHOLD=3400000
+endif
ifeq ($(ENABLE_MDTP_SUPPORT),1)
DEFINES += MDTP_SUPPORT=1
diff --git a/target/msm8952/init.c b/target/msm8952/init.c
index 65967fb..c95899f 100644
--- a/target/msm8952/init.c
+++ b/target/msm8952/init.c
@@ -69,6 +69,10 @@
#include <vibrator.h>
#endif
+#if WEAK_BATT_CHRG_SUPPORT
+#include <qpnp-smb2.h>
+#endif
+
#if PON_VIB_SUPPORT
#define VIBRATE_TIME 250
#endif
@@ -345,6 +349,12 @@
vib_timed_turn_on(VIBRATE_TIME);
#endif
+#if WEAK_BATT_CHRG_SUPPORT
+ if(sdm429_pm660_target())
+ /* Start Weak Battery Charging */
+ weak_battery_charging();
+#endif
+
if (target_use_signed_kernel())
target_crypto_init_params();