diff options
Diffstat (limited to 'drivers/power')
| -rw-r--r-- | drivers/power/Kconfig | 32 | ||||
| -rw-r--r-- | drivers/power/axp818.c | 34 |
2 files changed, 63 insertions, 3 deletions
diff --git a/drivers/power/Kconfig b/drivers/power/Kconfig index adc64552e74..3c41bca32ac 100644 --- a/drivers/power/Kconfig +++ b/drivers/power/Kconfig @@ -10,7 +10,7 @@ choice default AXP209_POWER if MACH_SUN4I || MACH_SUN5I || MACH_SUN7I default AXP221_POWER if MACH_SUN6I || MACH_SUN8I_A23 || MACH_SUN8I_A33 default AXP818_POWER if MACH_SUN8I_A83T - default SUNXI_NO_PMIC if MACH_SUN8I_H3 + default SUNXI_NO_PMIC if MACH_SUN8I_H3 || MACH_SUN50I config SUNXI_NO_PMIC boolean "board without a pmic" @@ -118,13 +118,12 @@ config AXP_DCDC4_VOLT config AXP_DCDC5_VOLT int "axp pmic dcdc5 voltage" depends on AXP221_POWER || AXP818_POWER - default 1800 if AXP818_POWER default 1500 if MACH_SUN6I || MACH_SUN8I ---help--- Set the voltage (mV) to program the axp pmic dcdc5 at, set to 0 to disable dcdc5. On A23 / A31 / A33 / A83T boards dcdc5 is VCC-DRAM and should be 1.5V, - 1.8V for A83T. + 1.35V if DDR3L is used. config AXP_ALDO1_VOLT int "axp pmic (a)ldo1 voltage" @@ -239,6 +238,33 @@ config AXP_ELDO3_VOLT 1.2V for the SSD2828 chip (converter of parallel LCD interface into MIPI DSI). +config AXP_FLDO1_VOLT + int "axp pmic fldo1 voltage" + depends on AXP818_POWER + default 0 if MACH_SUN8I_A83T + ---help--- + Set the voltage (mV) to program the axp pmic fldo1 at, set to 0 to + disable fldo1. + On A83T / H8 boards fldo1 is VCC-HSIC and should be 1.2V if HSIC is + used. + +config AXP_FLDO2_VOLT + int "axp pmic eldo2 voltage" + depends on AXP818_POWER + default 900 if MACH_SUN8I_A83T + ---help--- + Set the voltage (mV) to program the axp pmic fldo2 at, set to 0 to + disable fldo2. + On A83T / H8 boards fldo2 is VCC-CPUS and should be 0.9V. + +config AXP_FLDO3_VOLT + int "axp pmic fldo3 voltage" + depends on AXP818_POWER + default 0 + ---help--- + Set the voltage (mV) to program the axp pmic fldo3 at, set to 0 to + disable fldo3. + config SY8106A_VOUT1_VOLT int "SY8106A pmic VOUT1 voltage" depends on SY8106A_POWER diff --git a/drivers/power/axp818.c b/drivers/power/axp818.c index e885d029840..3ac05ffefe0 100644 --- a/drivers/power/axp818.c +++ b/drivers/power/axp818.c @@ -191,6 +191,40 @@ int axp_set_eldo(int eldo_num, unsigned int mvolt) AXP818_OUTPUT_CTRL2_ELDO1_EN << (eldo_num - 1)); } +int axp_set_fldo(int fldo_num, unsigned int mvolt) +{ + int ret; + u8 cfg; + + if (fldo_num < 1 || fldo_num > 3) + return -EINVAL; + + if (mvolt == 0) + return pmic_bus_clrbits(AXP818_OUTPUT_CTRL3, + AXP818_OUTPUT_CTRL3_FLDO1_EN << (fldo_num - 1)); + + if (fldo_num < 3) { + cfg = axp818_mvolt_to_cfg(mvolt, 700, 1450, 50); + ret = pmic_bus_write(AXP818_FLDO1_CTRL + (fldo_num - 1), cfg); + } else { + /* + * Special case for FLDO3, which is DCDC5 / 2 or FLDOIN / 2 + * Since FLDOIN is unknown, test against DCDC5. + */ + if (mvolt * 2 == CONFIG_AXP_DCDC5_VOLT) + ret = pmic_bus_clrbits(AXP818_FLDO2_3_CTRL, + AXP818_FLDO2_3_CTRL_FLDO3_VOL); + else + ret = pmic_bus_setbits(AXP818_FLDO2_3_CTRL, + AXP818_FLDO2_3_CTRL_FLDO3_VOL); + } + if (ret) + return ret; + + return pmic_bus_setbits(AXP818_OUTPUT_CTRL3, + AXP818_OUTPUT_CTRL3_FLDO1_EN << (fldo_num - 1)); +} + int axp_init(void) { u8 axp_chip_id; |