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dm: power: Add regulator flags to centralise auto-set logic 

Decide when the regulator is set up whether we want to auto-set the voltage
or current. This avoids the complex logic spilling into the processing code.

Signed-off-by: Simon Glass <sjg@chromium.org>
Tested-by: Przemyslaw Marczak <p.marczak@samsung.com>
Acked-by: Przemyslaw Marczak <p.marczak@samsung.com>
This commit is contained in:
Simon Glass 2015-06-23 15:38:57 -06:00
parent 23ec2b570d
commit 7837ceab1e
2 changed files with 20 additions and 0 deletions
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12
drivers/power/regulator/regulator-uclass.c
View File

@ -319,6 +319,18 @@ static int regulator_pre_probe(struct udevice *dev)
uc_pdata->boot_on = fdtdec_get_bool(gd->fdt_blob, offset,
"regulator-boot-on");
/* Those values are optional (-ENODATA if unset) */
if ((uc_pdata->min_uV != -ENODATA) &&
(uc_pdata->max_uV != -ENODATA) &&
(uc_pdata->min_uV == uc_pdata->max_uV))
uc_pdata->flags |= REGULATOR_FLAG_AUTOSET_UV;
/* Those values are optional (-ENODATA if unset) */
if ((uc_pdata->min_uA != -ENODATA) &&
(uc_pdata->max_uA != -ENODATA) &&
(uc_pdata->min_uA == uc_pdata->max_uA))
uc_pdata->flags |= REGULATOR_FLAG_AUTOSET_UA;
return 0;
}

8
include/power/regulator.h
View File

@ -128,6 +128,11 @@ struct dm_regulator_mode {
const char *name;
};
enum regulator_flag {
REGULATOR_FLAG_AUTOSET_UV = 1 << 0,
REGULATOR_FLAG_AUTOSET_UA = 1 << 1,
};
/**
* struct dm_regulator_uclass_platdata - pointed by dev->uclass_platdata, and
* allocated on each regulator bind. This structure holds an information
@ -143,6 +148,8 @@ struct dm_regulator_mode {
* @max_uA* - maximum amperage (micro Amps)
* @always_on* - bool type, true or false
* @boot_on* - bool type, true or false
* TODO(sjg@chromium.org): Consider putting the above two into @flags
* @flags: - flags value (see REGULATOR_FLAG_...)
* @name** - fdt regulator name - should be taken from the device tree
*
* Note:
@ -162,6 +169,7 @@ struct dm_regulator_uclass_platdata {
bool always_on;
bool boot_on;
const char *name;
int flags;
};
/* Regulator device operations */