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mfd: rk808: add rk818 suspend/resume registers setting

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set 3.4v interrupt signal assert when suspend, set 3.0v shutdown
signal assert when resume.

Change-Id: Id15b721bbdc9665a18cf9946b92c435a23f1666c
Signed-off-by: Joseph Chen <chenjh@rock-chips.com>
Signed-off-by: Elaine Zhang <zhangqing@rock-chips.com>
This commit is contained in:
Joseph Chen
2017-11-21 10:27:59 +08:00
committed by Tao Huang
parent b2df070509
commit f7bff6ccb3
1 changed files with 73 additions and 3 deletions
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76
drivers/mfd/rk808.c
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@@ -257,6 +257,14 @@ static const struct rk808_reg_data rk805_pre_init_reg[] = {
{RK805_THERMAL_REG, TEMP_HOTDIE_MSK, TEMP115C},
};
static struct rk808_reg_data rk805_suspend_reg[] = {
{RK805_BUCK3_CONFIG_REG, PWM_MODE_MSK, AUTO_PWM_MODE},
};
static struct rk808_reg_data rk805_resume_reg[] = {
{RK805_BUCK3_CONFIG_REG, PWM_MODE_MSK, FPWM_MODE},
};
static const struct rk808_reg_data rk808_pre_init_reg[] = {
{ RK808_BUCK3_CONFIG_REG, BUCK_ILMIN_MASK, BUCK_ILMIN_150MA },
{ RK808_BUCK4_CONFIG_REG, BUCK_ILMIN_MASK, BUCK_ILMIN_200MA },
@@ -398,6 +406,18 @@ static const struct regmap_irq rk808_irqs[] = {
},
};
static struct rk808_reg_data rk816_suspend_reg[] = {
/* set bat 3.4v low and act irq */
{ RK816_VB_MON_REG, VBAT_LOW_VOL_MASK | VBAT_LOW_ACT_MASK,
RK816_VBAT_LOW_3V4 | EN_VBAT_LOW_IRQ },
};
static struct rk808_reg_data rk816_resume_reg[] = {
/* set bat 3.0v low and act shutdown */
{ RK816_VB_MON_REG, VBAT_LOW_VOL_MASK | VBAT_LOW_ACT_MASK,
RK816_VBAT_LOW_3V0 | EN_VABT_LOW_SHUT_DOWN },
};
static const struct regmap_irq rk816_irqs[] = {
/* INT_STS */
[RK816_IRQ_PWRON_FALL] = {
@@ -438,6 +458,18 @@ static const struct regmap_irq rk816_irqs[] = {
},
};
static struct rk808_reg_data rk818_suspend_reg[] = {
/* set bat 3.4v low and act irq */
{ RK808_VB_MON_REG, VBAT_LOW_VOL_MASK | VBAT_LOW_ACT_MASK,
RK808_VBAT_LOW_3V4 | EN_VBAT_LOW_IRQ },
};
static struct rk808_reg_data rk818_resume_reg[] = {
/* set bat 3.0v low and act shutdown */
{ RK808_VB_MON_REG, VBAT_LOW_VOL_MASK | VBAT_LOW_ACT_MASK,
RK808_VBAT_LOW_3V0 | EN_VABT_LOW_SHUT_DOWN },
};
static const struct regmap_irq rk818_irqs[] = {
/* INT_STS */
[RK818_IRQ_VOUT_LO] = {
@@ -638,6 +670,8 @@ static const struct regmap_irq_chip rk818_irq_chip = {
};
static struct i2c_client *rk808_i2c_client;
static struct rk808_reg_data *suspend_reg, *resume_reg;
static int suspend_reg_num, resume_reg_num;
static void rk808_pm_power_off(void)
{
@@ -1015,6 +1049,10 @@ static int rk808_probe(struct i2c_client *client,
nr_cells = ARRAY_SIZE(rk805s);
on_source = RK805_ON_SOURCE_REG;
off_source = RK805_OFF_SOURCE_REG;
suspend_reg = rk805_suspend_reg;
suspend_reg_num = ARRAY_SIZE(rk805_suspend_reg);
resume_reg = rk805_resume_reg;
resume_reg_num = ARRAY_SIZE(rk805_resume_reg);
break;
case RK808_ID:
rk808->regmap_cfg = &rk808_regmap_config;
@@ -1034,6 +1072,10 @@ static int rk808_probe(struct i2c_client *client,
nr_cells = ARRAY_SIZE(rk816s);
on_source = RK816_ON_SOURCE_REG;
off_source = RK816_OFF_SOURCE_REG;
suspend_reg = rk816_suspend_reg;
suspend_reg_num = ARRAY_SIZE(rk816_suspend_reg);
resume_reg = rk816_resume_reg;
resume_reg_num = ARRAY_SIZE(rk816_resume_reg);
break;
case RK818_ID:
rk808->regmap_cfg = &rk818_regmap_config;
@@ -1044,6 +1086,10 @@ static int rk808_probe(struct i2c_client *client,
nr_cells = ARRAY_SIZE(rk818s);
on_source = RK818_ON_SOURCE_REG;
off_source = RK818_OFF_SOURCE_REG;
suspend_reg = rk818_suspend_reg;
suspend_reg_num = ARRAY_SIZE(rk818_suspend_reg);
resume_reg = rk818_resume_reg;
resume_reg_num = ARRAY_SIZE(rk818_resume_reg);
break;
case RK809_ID:
case RK817_ID:
@@ -1183,9 +1229,21 @@ static int rk808_remove(struct i2c_client *client)
static int __maybe_unused rk8xx_suspend(struct device *dev)
{
struct rk808 *rk808 = i2c_get_clientdata(to_i2c_client(dev));
int ret = 0;
int i, ret = 0;
int value;
for (i = 0; i < suspend_reg_num; i++) {
ret = regmap_update_bits(rk808->regmap,
suspend_reg[i].addr,
suspend_reg[i].mask,
suspend_reg[i].value);
if (ret) {
dev_err(dev, "0x%x write err\n",
suspend_reg[i].addr);
return ret;
}
}
switch (rk808->variant) {
case RK805_ID:
ret = regmap_update_bits(rk808->regmap,
@@ -1235,7 +1293,19 @@ static int __maybe_unused rk8xx_resume(struct device *dev)
{
struct rk808 *rk808 = i2c_get_clientdata(to_i2c_client(dev));
int value;
int ret = 0;
int i, ret = 0;
for (i = 0; i < resume_reg_num; i++) {
ret = regmap_update_bits(rk808->regmap,
resume_reg[i].addr,
resume_reg[i].mask,
resume_reg[i].value);
if (ret) {
dev_err(dev, "0x%x write err\n",
resume_reg[i].addr);
return ret;
}
}
switch (rk808->variant) {
case RK809_ID:
@@ -1273,7 +1343,7 @@ static int __maybe_unused rk8xx_resume(struct device *dev)
return ret;
}
static SIMPLE_DEV_PM_OPS(rk8xx_pm_ops, rk8xx_suspend, rk8xx_resume);
SIMPLE_DEV_PM_OPS(rk8xx_pm_ops, rk8xx_suspend, rk8xx_resume);
static struct i2c_driver rk808_i2c_driver = {
.driver = {