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rk:pmu tps65910:set dcdc in pwm mode,and set dcdc in pfm mode when enter sleep

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This commit is contained in:
张晴
2012-11-03 10:20:12 +08:00
parent eb51dfda45
commit 94257c7c2c
3 changed files with 53 additions and 0 deletions
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17
arch/arm/mach-rk2928/board-rk2928-sdk-tps65910.c
View File

@@ -188,6 +188,7 @@ int tps65910_pre_init(struct tps65910 *tps65910){
}
val |= 0xff;
val &= ~(0x07); //set vdd1 vdd2 vio in pfm mode when in sleep
err = tps65910_reg_write(tps65910, TPS65910_SLEEP_KEEP_RES_ON, val);
if (err) {
printk(KERN_ERR "Unable to read TPS65910 Reg at offset 0x%x= \
@@ -225,6 +226,22 @@ int tps65910_pre_init(struct tps65910 *tps65910){
}
#endif
#endif
/**********************set arm in pwm ****************/
val = tps65910_reg_read(tps65910, TPS65910_DCDCCTRL);
if (val<0) {
printk(KERN_ERR "Unable to read TPS65910_DCDCCTRL reg\n");
return val;
}
val &= ~(1<<4);
err = tps65910_reg_write(tps65910, TPS65910_DCDCCTRL, val);
if (err) {
printk(KERN_ERR "Unable to read TPS65910 Reg at offset 0x%x= \
\n", TPS65910_VDIG1);
return err;
}
/************************************************/
printk("%s,line=%d\n", __func__,__LINE__);
return 0;

18
arch/arm/mach-rk30/board-pmu-tps65910.c
View File

@@ -205,6 +205,7 @@ int tps65910_pre_init(struct tps65910 *tps65910){
}
val |= 0xff;
val &= ~(0x07); //set vdd1 vdd2 vio in pfm mode when in sleep
err = tps65910_reg_write(tps65910, TPS65910_SLEEP_KEEP_RES_ON, val);
if (err) {
printk(KERN_ERR "Unable to read TPS65910 Reg at offset 0x%x= \
@@ -241,6 +242,23 @@ int tps65910_pre_init(struct tps65910 *tps65910){
}
#endif
#endif
/**********************set arm in pwm ****************/
val = tps65910_reg_read(tps65910, TPS65910_DCDCCTRL);
if (val<0) {
printk(KERN_ERR "Unable to read TPS65910_DCDCCTRL reg\n");
return val;
}
val &= ~(1<<4);
err = tps65910_reg_write(tps65910, TPS65910_DCDCCTRL, val);
if (err) {
printk(KERN_ERR "Unable to read TPS65910 Reg at offset 0x%x= \
\n", TPS65910_VDIG1);
return err;
}
/************************************************/
printk("%s,line=%d\n", __func__,__LINE__);
return 0;

18
arch/arm/mach-rk30/board-rk30-sdk-tps65910.c
View File

@@ -191,6 +191,7 @@ int tps65910_pre_init(struct tps65910 *tps65910){
}
val |= 0xff;
val &= ~(0x07); //set vdd1 vdd2 vio in pfm mode when in sleep
err = tps65910_reg_write(tps65910, TPS65910_SLEEP_KEEP_RES_ON, val);
if (err) {
printk(KERN_ERR "Unable to read TPS65910 Reg at offset 0x%x= \
@@ -227,6 +228,23 @@ int tps65910_pre_init(struct tps65910 *tps65910){
}
#endif
#endif
/**********************set arm in pwm ****************/
val = tps65910_reg_read(tps65910, TPS65910_DCDCCTRL);
if (val<0) {
printk(KERN_ERR "Unable to read TPS65910_DCDCCTRL reg\n");
return val;
}
val &= ~(1<<4);
err = tps65910_reg_write(tps65910, TPS65910_DCDCCTRL, val);
if (err) {
printk(KERN_ERR "Unable to read TPS65910 Reg at offset 0x%x= \
\n", TPS65910_VDIG1);
return err;
}
/************************************************/
printk("%s,line=%d\n", __func__,__LINE__);
return 0;