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-rw-r--r--src/mainboard/google/smaug/pmic.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/src/mainboard/google/smaug/pmic.c b/src/mainboard/google/smaug/pmic.c
index 73aa0de83cbe..b10e67b0ee3d 100644
--- a/src/mainboard/google/smaug/pmic.c
+++ b/src/mainboard/google/smaug/pmic.c
@@ -95,6 +95,13 @@ void pmic_init(unsigned bus)
pmic_write_reg_77620(bus, MAX77620_CNFG2SD_REG, 0x04, 1);
pmic_write_reg_77620(bus, MAX77620_SD1_REG, 0x2a, 1);
+ /*
+ * MAX77620: Set LDO2 output to 1.8V. LDO2 is used as always-on
+ * reference for the droop alert circuit. Match this setting with what
+ * the kernel expects.
+ */
+ pmic_write_reg_77620(bus, MAX77620_CNFG1_L2_REG, 0x14, 1);
+
/* MAX77621: Set VOUT_REG to 1.0V - CPU VREG */
pmic_write_reg_77621(bus, MAX77621_VOUT_REG, 0xBF, 1);