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zero-gravitas: 3.1v operation 

Set SW4 and SW2 to 3.1v
Set VGEN5 and VGEN6 to 3.1v
lars/power_fixes
Lars Ivar Miljeteig 2018-03-01 18:02:55 +01:00
parent 51944d05a8
commit 0388c64a1a
2 changed files with 41 additions and 4 deletions
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40
board/reMarkable/zero-gravitas/zero-gravitas.c
View File

@ -800,16 +800,48 @@ int power_init_board(void)
reg |= SW1xCONF_DVSSPEED_4US;
pmic_reg_write(p, PFUZE100_SW1CCONF, reg);
/* Set 3V3_SW4 voltage to 3.3V */
/* Set 3V3_SW2 voltage to 3.1V */
pmic_reg_read(p, PFUZE100_SW2VOL, &reg);
reg &= ~SW2_VOL_MASK;
reg |= SW2_3_10V;
pmic_reg_write(p, PFUZE100_SW2VOL, reg);
pmic_reg_read(p, PFUZE100_SW2STBY, &reg);
reg &= ~SW2_VOL_MASK;
reg |= SW2_3_10V;
pmic_reg_write(p, PFUZE100_SW2STBY, reg);
pmic_reg_read(p, PFUZE100_SW2OFF, &reg);
reg &= ~SW2_VOL_MASK;
reg |= SW2_3_10V;
pmic_reg_write(p, PFUZE100_SW2OFF, reg);
/* Set 3V3_SW4 voltage to 3.1V */
pmic_reg_read(p, PFUZE100_SW4VOL, &reg);
reg &= ~SW4_VOL_MASK;
reg |= SW4_3_300V;
reg |= SW4_3_10V;
pmic_reg_write(p, PFUZE100_SW4VOL, reg);
/* Set 3V3_VGEN6 voltage to 3.3V */
pmic_reg_read(p, PFUZE100_SW4STBY, &reg);
reg &= ~SW4_VOL_MASK;
reg |= SW4_3_10V;
pmic_reg_write(p, PFUZE100_SW4STBY, reg);
pmic_reg_read(p, PFUZE100_SW4OFF, &reg);
reg &= ~SW4_VOL_MASK;
reg |= SW4_3_10V;
pmic_reg_write(p, PFUZE100_SW4OFF, reg);
/* Set 3V3_VGEN5 voltage to 3.1V */
pmic_reg_read(p, PFUZE100_VGEN5VOL, &reg);
reg &= ~LDO_VOL_MASK;
reg |= LDOB_3_10V;
pmic_reg_write(p, PFUZE100_VGEN5VOL, reg);
/* Set 3V3_VGEN6 voltage to 3.1V */
pmic_reg_read(p, PFUZE100_VGEN6VOL, &reg);
reg &= ~LDO_VOL_MASK;
reg |= LDOB_3_30V;
reg |= LDOB_3_10V;
pmic_reg_write(p, PFUZE100_VGEN6VOL, reg);
/* Set modes */

5
include/power/pfuze100_pmic.h
View File

@ -107,8 +107,13 @@ enum {
#define PFUZE100_SW1ABC_SETP(x) ((x - 3000) / 250)
/* SW2 Output Voltage Configuration */
#define SW2_3_10V 110
#define SW2_VOL_MASK 0x7F
/* SW4 Output Voltage Configuration */
#define SW4_1_800V 56
#define SW4_3_10V 110
#define SW4_3_300V 114
#define SW4_VOL_MASK 0x7F