diff options
Diffstat (limited to 'driver/ppc/nx20p3483.h')
-rw-r--r-- | driver/ppc/nx20p3483.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/driver/ppc/nx20p3483.h b/driver/ppc/nx20p3483.h index a85a0b72b4..f0979646e1 100644 --- a/driver/ppc/nx20p3483.h +++ b/driver/ppc/nx20p3483.h @@ -13,6 +13,13 @@ #define NX20P3483_ADDR2 0xE4 #define NX20P3483_ADDR3 0xE6 +/* + * This PPC hard-codes the over voltage protect of Vbus at 6.8V in dead-battery + * mode. If we ever are every going to drop the PD rail, we need to first ensure + * that Vbus is negotiated to below 6.8V otherwise we can lock out Vbus. + */ +#define NX20P3483_SAFE_RESET_VBUS_MV 5000 + /* NX20P3483 register addresses */ #define NX20P3483_DEVICE_ID_REG 0x00 #define NX20P3483_DEVICE_STATUS_REG 0x01 |