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| author | Tom Rini <trini@ti.com> | 2015-01-23 10:22:29 -0500 |
|---|---|---|
| committer | Tom Rini <trini@ti.com> | 2015-01-23 10:22:29 -0500 |
| commit | 3b95288a2ae8146ca4915250f815c1218b1706fa (patch) | |
| tree | 6c690f6bcbee74f0c495d7ca646b93fde6be5262 /drivers/power/axp221.c | |
| parent | ec0cc98f2cb7fa217ed0a1a54978e2d8f2fbc20c (diff) | |
| parent | 4e7c892d15e2aa98086aaacdb979821d011b7db2 (diff) | |
| download | u-boot-imx-3b95288a2ae8146ca4915250f815c1218b1706fa.zip u-boot-imx-3b95288a2ae8146ca4915250f815c1218b1706fa.tar.gz u-boot-imx-3b95288a2ae8146ca4915250f815c1218b1706fa.tar.bz2 | |
Merge branch 'master' of http://git.denx.de/u-boot-sunxi
Diffstat (limited to 'drivers/power/axp221.c')
| -rw-r--r-- | drivers/power/axp221.c | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/drivers/power/axp221.c b/drivers/power/axp221.c index 4c86f09..58bbd45 100644 --- a/drivers/power/axp221.c +++ b/drivers/power/axp221.c @@ -302,6 +302,39 @@ int axp221_set_aldo3(unsigned int mvolt) AXP221_OUTPUT_CTRL3_ALDO3_EN); } +int axp221_set_eldo(int eldo_num, unsigned int mvolt) +{ + int ret; + u8 cfg = axp221_mvolt_to_cfg(mvolt, 700, 3300, 100); + u8 addr, bits; + + switch (eldo_num) { + case 3: + addr = AXP221_ELDO3_CTRL; + bits = AXP221_OUTPUT_CTRL2_ELDO3_EN; + break; + case 2: + addr = AXP221_ELDO2_CTRL; + bits = AXP221_OUTPUT_CTRL2_ELDO2_EN; + break; + case 1: + addr = AXP221_ELDO1_CTRL; + bits = AXP221_OUTPUT_CTRL2_ELDO1_EN; + break; + default: + return -EINVAL; + } + + if (mvolt == 0) + return axp221_clrbits(AXP221_OUTPUT_CTRL2, bits); + + ret = pmic_bus_write(addr, cfg); + if (ret) + return ret; + + return axp221_setbits(AXP221_OUTPUT_CTRL2, bits); +} + int axp221_init(void) { /* This cannot be 0 because it is used in SPL before BSS is ready */ |