diff options
| -rw-r--r-- | board/sunxi/board.c | 6 | ||||
| -rw-r--r-- | drivers/power/Kconfig | 27 | ||||
| -rw-r--r-- | drivers/power/axp818.c | 34 | ||||
| -rw-r--r-- | include/axp818.h | 1 | ||||
| -rw-r--r-- | include/axp_pmic.h | 1 |
5 files changed, 69 insertions, 0 deletions
diff --git a/board/sunxi/board.c b/board/sunxi/board.c index 2d5335f9531..2271c895c20 100644 --- a/board/sunxi/board.c +++ b/board/sunxi/board.c @@ -486,6 +486,12 @@ void sunxi_board_init(void) power_failed |= axp_set_eldo(2, CONFIG_AXP_ELDO2_VOLT); power_failed |= axp_set_eldo(3, CONFIG_AXP_ELDO3_VOLT); #endif + +#ifdef CONFIG_AXP818_POWER + power_failed |= axp_set_fldo(1, CONFIG_AXP_FLDO1_VOLT); + power_failed |= axp_set_fldo(2, CONFIG_AXP_FLDO2_VOLT); + power_failed |= axp_set_fldo(3, CONFIG_AXP_FLDO3_VOLT); +#endif #endif printf("DRAM:"); ramsize = sunxi_dram_init(); diff --git a/drivers/power/Kconfig b/drivers/power/Kconfig index 548fe2617da..937b9aa246b 100644 --- a/drivers/power/Kconfig +++ b/drivers/power/Kconfig @@ -238,6 +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; diff --git a/include/axp818.h b/include/axp818.h index b24c790383c..5630eed04d8 100644 --- a/include/axp818.h +++ b/include/axp818.h @@ -41,6 +41,7 @@ #define AXP818_ELDO3_CTRL 0x1b #define AXP818_FLDO1_CTRL 0x1c #define AXP818_FLDO2_3_CTRL 0x1d +#define AXP818_FLDO2_3_CTRL_FLDO3_VOL (1 << 4) #define AXP818_DCDC1_CTRL 0x20 #define AXP818_DCDC2_CTRL 0x21 #define AXP818_DCDC3_CTRL 0x22 diff --git a/include/axp_pmic.h b/include/axp_pmic.h index 0f146835091..b203cc88ddb 100644 --- a/include/axp_pmic.h +++ b/include/axp_pmic.h @@ -31,6 +31,7 @@ int axp_set_aldo3(unsigned int mvolt); int axp_set_aldo4(unsigned int mvolt); int axp_set_dldo(int dldo_num, unsigned int mvolt); int axp_set_eldo(int eldo_num, unsigned int mvolt); +int axp_set_fldo(int fldo_num, unsigned int mvolt); int axp_init(void); int axp_get_sid(unsigned int *sid); |