#define rk818_LDO_SET_SLP_VOL_REG(x) (ldo_set_slp_vol_base_addr[x])
const static int buck_voltage_map[] = {
- 700, 712, 725, 737, 750, 762, 775, 787, 800,
+ 712, 725, 737, 750, 762, 775, 787, 800,
812, 825, 837, 850,862, 875, 887, 900, 912,
925, 937, 950, 962, 975, 987, 1000, 1012, 1025,
1037, 1050,1062, 1075, 1087, 1100, 1112, 1125, 1137,
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)
{
switch (buck) {
case 0:
case 1:
- volt = 700000 + selector * 12500;
+ volt = 712500 + selector * 12500;
break;
case 3:
volt = 1800000 + selector * 100000;
u16 vsel =0;
if (buck == 0 || buck == 1){
- if (min_uV < 700000)
+ if (min_uV < 712500)
vsel = 0;
else if (min_uV <= 1500000)
- vsel = ((min_uV - 700000) / 12500) ;
+ vsel = ((min_uV - 712500) / 12500) ;
else
return -EINVAL;
}
#endif
#if 0
-extern void rk_send_wakeup_key(void);
static irqreturn_t rk818_vbat_lo_irq(int irq, void *data)
{
printk("rk818 vbat low %s:irq=%d\n",__func__,irq);
pr_info("%s\n", __func__);
ret = rk818_set_bits(rk818, RK818_INT_STS_MSK_REG1,(0x3<<5),(0x3<<5)); //close rtc int when power off
ret = rk818_clear_bits(rk818, RK818_RTC_INT_REG,(0x3<<2)); //close rtc int when power off
+ /*disable otg_en*/
+ ret = rk818_clear_bits(rk818, RK818_DCDC_EN_REG, (0x1<<7));
+
mutex_lock(&rk818->io_lock);
mdelay(100);
}
__weak void rk818_device_resume(void) {}
#ifdef CONFIG_PM
static int rk818_suspend(struct i2c_client *i2c, pm_message_t mesg)
-{
+{
+ int ret, val;
+ struct rk818 *rk818 = g_rk818;
+
rk818_device_suspend();
+ /************set vbat low 3v4 to irq**********/
+ val = rk818_reg_read(rk818, RK818_VB_MON_REG);
+ val &= (~(VBAT_LOW_VOL_MASK | VBAT_LOW_ACT_MASK));
+ val |= (RK818_VBAT_LOW_3V4 | EN_VBAT_LOW_IRQ);
+ ret = rk818_reg_write(rk818, RK818_VB_MON_REG, val);
+ if (ret < 0) {
+ pr_err("Unable to write RK818_VB_MON_REG reg\n");
+ return ret;
+ }
+ /*enable low irq*/
+ rk818_set_bits(rk818, 0x4d, (0x1 << 1), (0x0 << 1));
return 0;
}
static int rk818_resume(struct i2c_client *i2c)
{
+ int ret, val;
+ struct rk818 *rk818 = g_rk818;
+
rk818_device_resume();
+ /********set vbat low 3v0 to shutdown**********/
+ val = rk818_reg_read(rk818, RK818_VB_MON_REG);
+ val &= (~(VBAT_LOW_VOL_MASK | VBAT_LOW_ACT_MASK));
+ val |= (RK818_VBAT_LOW_3V0 | EN_VABT_LOW_SHUT_DOWN);
+ ret = rk818_reg_write(rk818, RK818_VB_MON_REG, val);
+ if (ret < 0) {
+ pr_err("Unable to write RK818_VB_MON_REG reg\n");
+ return ret;
+ }
+ /*disable low irq*/
+ rk818_set_bits(rk818, 0x4d, (0x1 << 1), (0x1 << 1));
+
return 0;
}
#else
return ret;
}
/****************************************/
-
/****************set vbat low **********/
val = rk818_reg_read(rk818,RK818_VB_MON_REG);
val &=(~(VBAT_LOW_VOL_MASK | VBAT_LOW_ACT_MASK));
- val |= (RK818_VBAT_LOW_3V5 | EN_VBAT_LOW_IRQ);
+ val |= (RK818_VBAT_LOW_3V0 | EN_VABT_LOW_SHUT_DOWN);
ret = rk818_reg_write(rk818,RK818_VB_MON_REG,val);
if (ret <0) {
printk(KERN_ERR "Unable to write RK818_VB_MON_REG reg\n");
/**************************************/
/**********mask int****************/
+
val = rk818_reg_read(rk818,RK818_INT_STS_MSK_REG1);
val |= (0x1<<0); //mask vout_lo_int
ret = rk818_reg_write(rk818,RK818_INT_STS_MSK_REG1,val);
printk(KERN_ERR "Unable to write RK818_INT_STS_MSK_REG1 reg\n");
return ret;
}
+
/**********************************/
/**********enable clkout2****************/
ret = rk818_reg_write(rk818,RK818_CLK32OUT_REG,0x01);
ret = rk818_clear_bits(rk818, RK818_INT_STS_MSK_REG1,(0x3<<5)); //open rtc int when power on
ret = rk818_set_bits(rk818, RK818_RTC_INT_REG,(0x1<<3),(0x1<<3)); //open rtc int when power on
- /*****disable otg and boost when in sleep mode****/
+ /*****disable otg when in sleep mode****/
val = rk818_reg_read(rk818, RK818_SLEEP_SET_OFF_REG1);
- val |= ((0x1 << 7) | (0x1 << 4));
+ val |= (0x1 << 7);
ret = rk818_reg_write(rk818, RK818_SLEEP_SET_OFF_REG1, val);
if (ret < 0) {
pr_err("Unable to write RK818_SLEEP_SET_OFF_REG1 reg\n");
return ret;
}
+ /*************** improve efficiency **********************/
+ ret = rk818_reg_write(rk818, RK818_BUCK2_CONFIG_REG, 0x1c);
+ if (ret < 0) {
+ pr_err("Unable to write RK818_BUCK2_CONFIG_REG reg\n");
+ return ret;
+ }
+
+ ret = rk818_reg_write(rk818, RK818_BUCK4_CONFIG_REG, 0x04);
+ if (ret < 0) {
+ pr_err("Unable to write RK818_BUCK4_CONFIG_REG reg\n");
+ return ret;
+ }
+
return 0;
}
if (rk818->rdev[i])
regulator_unregister(rk818->rdev[i]);
i2c_set_clientdata(i2c, NULL);
- kfree(rk818);
return 0;
}