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arm: allwinner: axp209: Add regnode_status method

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This allow consumers to check if the regulator is enable or not.

MFC after:	1 week
This commit is contained in:
Emmanuel Vadot 2020-01-10 18:53:14 +00:00
parent b74b94d2a1
commit ca4387843e
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=356610
1 changed files with 17 additions and 0 deletions
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17
sys/arm/allwinner/axp209.c
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@ -707,6 +707,22 @@ axp2xx_regnode_voltage_to_reg(struct axp2xx_reg_sc *sc, int min_uvolt,
return (0);
}
static int
axp2xx_regnode_status(struct regnode *regnode, int *status)
{
struct axp2xx_reg_sc *sc;
uint8_t val;
sc = regnode_get_softc(regnode);
*status = 0;
axp2xx_read(sc->base_dev, sc->def->enable_reg, &val, 1);
if (val & sc->def->enable_mask)
*status = REGULATOR_STATUS_ENABLED;
return (0);
}
static int
axp2xx_regnode_set_voltage(struct regnode *regnode, int min_uvolt,
int max_uvolt, int *udelay)
@ -750,6 +766,7 @@ static regnode_method_t axp2xx_regnode_methods[] = {
/* Regulator interface */
REGNODEMETHOD(regnode_init, axp2xx_regnode_init),
REGNODEMETHOD(regnode_enable, axp2xx_regnode_enable),
REGNODEMETHOD(regnode_status, axp2xx_regnode_status),
REGNODEMETHOD(regnode_set_voltage, axp2xx_regnode_set_voltage),
REGNODEMETHOD(regnode_get_voltage, axp2xx_regnode_get_voltage),
REGNODEMETHOD(regnode_check_voltage, regnode_method_check_voltage),