[U-Boot] [PATCH v4 3/6] power: pmic: rk816: support rk816 pmic
Elaine Zhang
zhangqing at rock-chips.com
Thu Sep 26 07:43:54 UTC 2019
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 at rock-chips.com>
Reviewed-by: Kever Yang<kever.yang at rock-chips.com>
---
drivers/power/pmic/rk8xx.c | 1 +
drivers/power/regulator/rk8xx.c | 130 ++++++++++++++++++++++++++++++++++++++--
include/power/rk8xx_pmic.h | 11 +++-
3 files changed, 136 insertions(+), 6 deletions(-)
diff --git a/drivers/power/pmic/rk8xx.c b/drivers/power/pmic/rk8xx.c
index 25c339ab12cc..1900de9d1cdb 100644
--- a/drivers/power/pmic/rk8xx.c
+++ b/drivers/power/pmic/rk8xx.c
@@ -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" },
{ }
};
diff --git a/drivers/power/regulator/rk8xx.c b/drivers/power/regulator/rk8xx.c
index ef83f66c8b6e..3188d3c6350d 100644
--- a/drivers/power/regulator/rk8xx.c
+++ b/drivers/power/regulator/rk8xx.c
@@ -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);
-
- return pmic_clrsetbits(pmic, 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;
@@ -278,18 +370,33 @@ static int _ldo_get_enable(struct udevice *pmic, int ldo)
return ret & mask ? true : false;
}
+
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;
ret = pmic_clrsetbits(pmic, REG_LDO_EN, mask,
- enable ? mask : 0);
+ enable ? mask : 0);
break;
}
@@ -303,6 +410,11 @@ 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 +433,13 @@ 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 +463,7 @@ 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;
diff --git a/include/power/rk8xx_pmic.h b/include/power/rk8xx_pmic.h
index c06248f75183..44e8d687dfba 100644
--- a/include/power/rk8xx_pmic.h
+++ b/include/power/rk8xx_pmic.h
@@ -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,
};
--
1.9.1
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