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rk: pmic: rk818: add interface to set ldo sleep state.

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add interface to set ldo sleep state,
which hope can dynamically modify the ldo sleep state.

Signed-off-by: chenjianhong <chenjianhong@rock-chips.com>
This commit is contained in:
zhangqing
2015-07-15 10:35:55 -07:00
parent 2a9e6a67a2
commit ea6b0ae3dd
1 changed files with 31 additions and 0 deletions
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31
drivers/mfd/rk818.c
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@@ -278,6 +278,37 @@ static int rk818_ldo_suspend_disable(struct regulator_dev *dev)
return rk818_set_bits(rk818, RK818_SLEEP_SET_OFF_REG2, 1 << ldo, 1 << ldo);
}
int rk818_ldo_slp_enable(int ldo_id)
{
int ldo = ldo_id - 1;
if (ldo == 8)
return rk818_set_bits(g_rk818, RK818_SLEEP_SET_OFF_REG1,
1 << 5, 0); /*ldo9*/
else if (ldo == 9)
return rk818_set_bits(g_rk818, RK818_SLEEP_SET_OFF_REG1,
1 << 6, 0); /*ldo10 switch*/
else
return rk818_set_bits(g_rk818, RK818_SLEEP_SET_OFF_REG2,
1 << ldo, 0);
}
int rk818_ldo_slp_disable(int ldo_id)
{
int ldo = ldo_id - 1;
if (ldo == 8)
return rk818_set_bits(g_rk818, RK818_SLEEP_SET_OFF_REG1,
1 << 5, 1 << 5); /*ldo9*/
else if (ldo == 9)
return rk818_set_bits(g_rk818, RK818_SLEEP_SET_OFF_REG1,
1 << 6, 1 << 6); /*ldo10 switch*/
else
return rk818_set_bits(g_rk818, RK818_SLEEP_SET_OFF_REG2,
1 << ldo, 1 << ldo);
}
static int rk818_ldo_set_sleep_voltage(struct regulator_dev *dev,
int uV)
{