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power: pmic: rk816: support rk816 pmic

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The RK816 is a Power Management IC (PMIC) for multimedia
and handheld devices. They contains the following components:
    - Regulators(4*BUCKs, 1*BOOST, 6*LDOs, 1*SWITCH)
    - RTC
    - Clocking

Signed-off-by: Elaine Zhang <zhangqing@rock-chips.com>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
This commit is contained in:
Elaine Zhang 2019-09-26 15:43:54 +08:00 committed by Kever Yang
parent 94afc1cb46
commit addd062bea
3 changed files with 135 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
drivers/power/pmic/rk8xx.c
View File

@ -95,6 +95,7 @@ static struct dm_pmic_ops rk8xx_ops = {
static const struct udevice_id rk8xx_ids[] = {
{ .compatible = "rockchip,rk808" },
{ .compatible = "rockchip,rk816" },
{ .compatible = "rockchip,rk818" },
{ }
};

125
drivers/power/regulator/rk8xx.c
View File

@ -62,6 +62,21 @@ static const struct rk8xx_reg_info rk808_buck[] = {
{ 1800000, 100000, REG_BUCK4_ON_VSEL, REG_BUCK4_SLP_VSEL, REG_BUCK4_CONFIG, RK808_BUCK4_VSEL_MASK, },
};
static const struct rk8xx_reg_info rk816_buck[] = {
/* buck 1 */
{ 712500, 12500, REG_BUCK1_ON_VSEL, REG_BUCK1_SLP_VSEL, REG_BUCK1_CONFIG, RK818_BUCK_VSEL_MASK, 0x00, },
{ 1800000, 200000, REG_BUCK1_ON_VSEL, REG_BUCK1_SLP_VSEL, REG_BUCK1_CONFIG, RK818_BUCK_VSEL_MASK, 0x3c, },
{ 2300000, 0, REG_BUCK1_ON_VSEL, REG_BUCK1_SLP_VSEL, REG_BUCK1_CONFIG, RK818_BUCK_VSEL_MASK, 0x3f, },
/* buck 2 */
{ 712500, 12500, REG_BUCK2_ON_VSEL, REG_BUCK2_SLP_VSEL, REG_BUCK2_CONFIG, RK818_BUCK_VSEL_MASK, 0x00, },
{ 1800000, 200000, REG_BUCK2_ON_VSEL, REG_BUCK2_SLP_VSEL, REG_BUCK2_CONFIG, RK818_BUCK_VSEL_MASK, 0x3c, },
{ 2300000, 0, REG_BUCK2_ON_VSEL, REG_BUCK2_SLP_VSEL, REG_BUCK2_CONFIG, RK818_BUCK_VSEL_MASK, 0x3f, },
/* buck 3 */
{ 712500, 12500, NA, NA, REG_BUCK3_CONFIG, RK818_BUCK_VSEL_MASK, },
/* buck 4 */
{ 800000, 100000, REG_BUCK4_ON_VSEL, REG_BUCK4_SLP_VSEL, REG_BUCK4_CONFIG, RK818_BUCK4_VSEL_MASK, },
};
static const struct rk8xx_reg_info rk818_buck[] = {
{ 712500, 12500, REG_BUCK1_ON_VSEL, REG_BUCK1_SLP_VSEL, REG_BUCK1_CONFIG, RK818_BUCK_VSEL_MASK, },
{ 712500, 12500, REG_BUCK2_ON_VSEL, REG_BUCK2_SLP_VSEL, REG_BUCK2_CONFIG, RK818_BUCK_VSEL_MASK, },
@ -81,6 +96,15 @@ static const struct rk8xx_reg_info rk808_ldo[] = {
{ 1800000, 100000, REG_LDO8_ON_VSEL, REG_LDO8_SLP_VSEL, NA, RK808_LDO_VSEL_MASK, },
};
static const struct rk8xx_reg_info rk816_ldo[] = {
{ 800000, 100000, REG_LDO1_ON_VSEL, REG_LDO1_SLP_VSEL, NA, RK818_LDO_VSEL_MASK, },
{ 800000, 100000, REG_LDO2_ON_VSEL, REG_LDO2_SLP_VSEL, NA, RK818_LDO_VSEL_MASK, },
{ 800000, 100000, REG_LDO3_ON_VSEL, REG_LDO3_SLP_VSEL, NA, RK818_LDO_VSEL_MASK, },
{ 800000, 100000, REG_LDO4_ON_VSEL, REG_LDO4_SLP_VSEL, NA, RK818_LDO_VSEL_MASK, },
{ 800000, 100000, REG_LDO5_ON_VSEL, REG_LDO5_SLP_VSEL, NA, RK818_LDO_VSEL_MASK, },
{ 800000, 100000, REG_LDO6_ON_VSEL, REG_LDO6_SLP_VSEL, NA, RK818_LDO_VSEL_MASK, },
};
static const struct rk8xx_reg_info rk818_ldo[] = {
{ 1800000, 100000, REG_LDO1_ON_VSEL, REG_LDO1_SLP_VSEL, NA, RK818_LDO_VSEL_MASK, },
{ 1800000, 100000, REG_LDO2_ON_VSEL, REG_LDO2_SLP_VSEL, NA, RK818_LDO_VSEL_MASK, },
@ -105,7 +129,21 @@ static const struct rk8xx_reg_info *get_buck_reg(struct udevice *pmic,
int num, int uvolt)
{
struct rk8xx_priv *priv = dev_get_priv(pmic);
switch (priv->variant) {
case RK816_ID:
switch (num) {
case 0:
case 1:
if (uvolt <= 1450000)
return &rk816_buck[num * 3 + 0];
else if (uvolt <= 2200000)
return &rk816_buck[num * 3 + 1];
else
return &rk816_buck[num * 3 + 2];
default:
return &rk816_buck[num + 4];
}
case RK818_ID:
return &rk818_buck[num];
default:
@ -116,11 +154,13 @@ static const struct rk8xx_reg_info *get_buck_reg(struct udevice *pmic,
static int _buck_set_value(struct udevice *pmic, int buck, int uvolt)
{
const struct rk8xx_reg_info *info = get_buck_reg(pmic, buck, uvolt);
struct rk8xx_priv *priv = dev_get_priv(pmic);
int mask = info->vsel_mask;
int val;
if (info->vsel_reg == NA)
return -ENOSYS;
if (info->step_uv == 0) /* Fixed voltage */
val = info->min_sel;
else
@ -129,17 +169,36 @@ static int _buck_set_value(struct udevice *pmic, int buck, int uvolt)
debug("%s: volt=%d, buck=%d, reg=0x%x, mask=0x%x, val=0x%x\n",
__func__, uvolt, buck + 1, info->vsel_reg, mask, val);
if (priv->variant == RK816_ID) {
pmic_clrsetbits(pmic, info->vsel_reg, mask, val);
return pmic_clrsetbits(pmic, RK816_REG_DCDC_EN2,
1 << 7, 1 << 7);
} else {
return pmic_clrsetbits(pmic, info->vsel_reg, mask, val);
}
}
static int _buck_set_enable(struct udevice *pmic, int buck, bool enable)
{
uint mask;
uint mask, value, en_reg;
int ret;
struct rk8xx_priv *priv = dev_get_priv(pmic);
switch (priv->variant) {
case RK816_ID:
if (buck >= 4) {
buck -= 4;
en_reg = RK816_REG_DCDC_EN2;
} else {
en_reg = RK816_REG_DCDC_EN1;
}
if (enable)
value = ((1 << buck) | (1 << (buck + 4)));
else
value = ((0 << buck) | (1 << (buck + 4)));
ret = pmic_reg_write(pmic, en_reg, value);
break;
case RK808_ID:
case RK818_ID:
mask = 1 << buck;
@ -187,6 +246,15 @@ static int _buck_get_enable(struct udevice *pmic, int buck)
int ret = 0;
switch (priv->variant) {
case RK816_ID:
if (buck >= 4) {
mask = 1 << (buck - 4);
ret = pmic_reg_read(pmic, RK816_REG_DCDC_EN2);
} else {
mask = 1 << buck;
ret = pmic_reg_read(pmic, RK816_REG_DCDC_EN1);
}
break;
case RK808_ID:
case RK818_ID:
mask = 1 << buck;
@ -209,6 +277,11 @@ static int _buck_set_suspend_enable(struct udevice *pmic, int buck, bool enable)
struct rk8xx_priv *priv = dev_get_priv(pmic);
switch (priv->variant) {
case RK816_ID:
mask = 1 << buck;
ret = pmic_clrsetbits(pmic, RK816_REG_DCDC_SLP_EN, mask,
enable ? mask : 0);
break;
case RK808_ID:
case RK818_ID:
mask = 1 << buck;
@ -229,6 +302,13 @@ static int _buck_get_suspend_enable(struct udevice *pmic, int buck)
uint mask;
switch (priv->variant) {
case RK816_ID:
mask = 1 << buck;
val = pmic_reg_read(pmic, RK816_REG_DCDC_SLP_EN);
if (val < 0)
return val;
ret = val & mask ? 1 : 0;
break;
case RK808_ID:
case RK818_ID:
mask = 1 << buck;
@ -248,7 +328,10 @@ static const struct rk8xx_reg_info *get_ldo_reg(struct udevice *pmic,
int num, int uvolt)
{
struct rk8xx_priv *priv = dev_get_priv(pmic);
switch (priv->variant) {
case RK816_ID:
return &rk816_ldo[num];
case RK818_ID:
return &rk818_ldo[num];
default:
@ -263,6 +346,15 @@ static int _ldo_get_enable(struct udevice *pmic, int ldo)
int ret = 0;
switch (priv->variant) {
case RK816_ID:
if (ldo >= 4) {
mask = 1 << (ldo - 4);
ret = pmic_reg_read(pmic, RK816_REG_LDO_EN2);
} else {
mask = 1 << ldo;
ret = pmic_reg_read(pmic, RK816_REG_LDO_EN1);
}
break;
case RK808_ID:
case RK818_ID:
mask = 1 << ldo;
@ -281,10 +373,24 @@ static int _ldo_get_enable(struct udevice *pmic, int ldo)
static int _ldo_set_enable(struct udevice *pmic, int ldo, bool enable)
{
struct rk8xx_priv *priv = dev_get_priv(pmic);
uint mask;
uint mask, value, en_reg;
int ret = 0;
switch (priv->variant) {
case RK816_ID:
if (ldo >= 4) {
ldo -= 4;
en_reg = RK816_REG_LDO_EN2;
} else {
en_reg = RK816_REG_LDO_EN1;
}
if (enable)
value = ((1 << ldo) | (1 << (ldo + 4)));
else
value = ((0 << ldo) | (1 << (ldo + 4)));
ret = pmic_reg_write(pmic, en_reg, value);
break;
case RK808_ID:
case RK818_ID:
mask = 1 << ldo;
@ -303,6 +409,11 @@ static int _ldo_set_suspend_enable(struct udevice *pmic, int ldo, bool enable)
int ret = 0;
switch (priv->variant) {
case RK816_ID:
mask = 1 << ldo;
ret = pmic_clrsetbits(pmic, RK816_REG_LDO_SLP_EN, mask,
enable ? mask : 0);
break;
case RK808_ID:
case RK818_ID:
mask = 1 << ldo;
@ -321,6 +432,13 @@ static int _ldo_get_suspend_enable(struct udevice *pmic, int ldo)
uint mask;
switch (priv->variant) {
case RK816_ID:
mask = 1 << ldo;
val = pmic_reg_read(pmic, RK816_REG_LDO_SLP_EN);
if (val < 0)
return val;
ret = val & mask ? 1 : 0;
break;
case RK808_ID:
case RK818_ID:
mask = 1 << ldo;
@ -344,6 +462,7 @@ static int buck_get_value(struct udevice *dev)
if (info->vsel_reg == NA)
return -ENOSYS;
ret = pmic_reg_read(dev->parent, info->vsel_reg);
if (ret < 0)
return ret;

11
include/power/rk8xx_pmic.h
View File

@ -170,8 +170,17 @@ enum {
};
enum {
RK805_ID = 0x8050,
RK816_REG_DCDC_EN1 = 0x23,
RK816_REG_DCDC_EN2,
RK816_REG_DCDC_SLP_EN,
RK816_REG_LDO_SLP_EN,
RK816_REG_LDO_EN1 = 0x27,
RK816_REG_LDO_EN2,
};
enum {
RK808_ID = 0x0000,
RK816_ID = 0x8160,
RK818_ID = 0x8180,
};