Merge "power: smb1390: Configure SMB1390 to improve ILIM accuracy" (e9525c97) · Commits · e / devices / android_kernel_oneplus_sm8150

drivers/power/supply/qcom/smb1390-charger.c

+28 −0

Original line number	Diff line number	Diff line
		@@ -67,6 +67,15 @@
		#define CORE_FTRIM_ILIM_REG 0x1030
		#define CFG_ILIM_MASK GENMASK(4, 0)

		#define CORE_FTRIM_LVL_REG 0x1033
		#define CFG_WIN_HI_MASK GENMASK(3, 2)
		#define WIN_OV_LVL_1000MV 0x08

		#define CORE_FTRIM_MISC_REG 0x1034
		#define TR_WIN_1P5X_BIT BIT(0)
		#define WINDOW_DETECTION_DELTA_X1P0 0
		#define WINDOW_DETECTION_DELTA_X1P5 1

		#define CP_VOTER "CP_VOTER"
		#define USER_VOTER "USER_VOTER"
		#define ILIM_VOTER "ILIM_VOTER"
		@@ -550,11 +559,30 @@ static void smb1390_destroy_votables(struct smb1390 *chip)

		static int smb1390_init_hw(struct smb1390 *chip)
		{
		int rc;

		/*
		* charge pump is initially disabled; this indirectly votes to allow
		* traditional parallel charging if present
		*/
		vote(chip->disable_votable, USER_VOTER, true, 0);

		/*
		* Improve ILIM accuracy:
		* - Configure window (Vin - 2Vout) OV level to 1000mV
		* - Configure VOUT tracking value to 1.0
		*/
		rc = smb1390_masked_write(chip, CORE_FTRIM_LVL_REG,
		CFG_WIN_HI_MASK, WIN_OV_LVL_1000MV);
		if (rc < 0)
		return rc;

		rc = smb1390_masked_write(chip, CORE_FTRIM_MISC_REG,
		TR_WIN_1P5X_BIT, WINDOW_DETECTION_DELTA_X1P0);
		if (rc < 0)
		return rc;


		return 0;
		}