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power: regulator: rk808: add rk818 support

Browse source 
Add support for the rk818 regulator. The regulator module consists
of 4 DCDCs, 9 LDOs, 1 switch and 1 BOOST converter which is used to
power OTG and HDMI5V.

Signed-off-by: Jacob Chen <jacob-chen@iotwrt.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Jacob Chen 2017-05-02 14:54:51 +08:00 committed by Simon Glass
parent b049acc902
commit eff4ca7285
1 changed files with 51 additions and 4 deletions
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55
drivers/power/regulator/rk808.c
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@ -25,6 +25,12 @@
#define RK808_BUCK4_VSEL_MASK 0xf
#define RK808_LDO_VSEL_MASK 0x1f
#define RK818_BUCK_VSEL_MASK 0x3f
#define RK818_BUCK4_VSEL_MASK 0x1f
#define RK818_LDO_VSEL_MASK 0x1f
#define RK818_LDO3_ON_VSEL_MASK 0xf
#define RK818_BOOST_ON_VSEL_MASK 0xe0
struct rk808_reg_info {
uint min_uv;
uint step_uv;
@ -50,10 +56,51 @@ static const struct rk808_reg_info rk808_ldo[] = {
{ 1800000, 100000, REG_LDO8_ON_VSEL, RK808_LDO_VSEL_MASK, },
};
static const struct rk808_reg_info rk818_buck[] = {
{ 712500, 12500, REG_BUCK1_ON_VSEL, RK818_BUCK_VSEL_MASK, },
{ 712500, 12500, REG_BUCK2_ON_VSEL, RK818_BUCK_VSEL_MASK, },
{ 712500, 12500, -1, RK818_BUCK_VSEL_MASK, },
{ 1800000, 100000, REG_BUCK4_ON_VSEL, RK818_BUCK4_VSEL_MASK, },
};
static const struct rk808_reg_info rk818_ldo[] = {
{ 1800000, 100000, REG_LDO1_ON_VSEL, RK818_LDO_VSEL_MASK, },
{ 1800000, 100000, REG_LDO2_ON_VSEL, RK818_LDO_VSEL_MASK, },
{ 800000, 100000, REG_LDO3_ON_VSEL, RK818_LDO3_ON_VSEL_MASK, },
{ 1800000, 100000, REG_LDO4_ON_VSEL, RK818_LDO_VSEL_MASK, },
{ 1800000, 100000, REG_LDO5_ON_VSEL, RK818_LDO_VSEL_MASK, },
{ 800000, 100000, REG_LDO6_ON_VSEL, RK818_LDO_VSEL_MASK, },
{ 800000, 100000, REG_LDO7_ON_VSEL, RK818_LDO_VSEL_MASK, },
{ 1800000, 100000, REG_LDO8_ON_VSEL, RK818_LDO_VSEL_MASK, },
};
static const struct rk808_reg_info *get_buck_reg(struct udevice *pmic,
int num)
{
struct rk808_priv *rk808 = dev_get_priv(pmic);
switch (rk808->variant) {
case RK818_ID:
return &rk818_buck[num];
default:
return &rk808_buck[num];
}
}
static const struct rk808_reg_info *get_ldo_reg(struct udevice *pmic,
int num)
{
struct rk808_priv *rk808 = dev_get_priv(pmic);
switch (rk808->variant) {
case RK818_ID:
return &rk818_ldo[num - 1];
default:
return &rk808_ldo[num - 1];
}
}
static int _buck_set_value(struct udevice *pmic, int buck, int uvolt)
{
const struct rk808_reg_info *info = &rk808_buck[buck - 1];
const struct rk808_reg_info *info = get_buck_reg(pmic, buck - 1);
int mask = info->vsel_mask;
int val;
@ -89,7 +136,7 @@ static int _buck_set_enable(struct udevice *pmic, int buck, bool enable)
static int buck_get_value(struct udevice *dev)
{
int buck = dev->driver_data - 1;
const struct rk808_reg_info *info = &rk808_buck[buck];
const struct rk808_reg_info *info = get_buck_reg(dev->parent, buck);
int mask = info->vsel_mask;
int ret, val;
@ -135,7 +182,7 @@ static bool buck_get_enable(struct udevice *dev)
static int ldo_get_value(struct udevice *dev)
{
int ldo = dev->driver_data - 1;
const struct rk808_reg_info *info = &rk808_ldo[ldo];
const struct rk808_reg_info *info = get_ldo_reg(dev->parent, ldo);
int mask = info->vsel_mask;
int ret, val;
@ -152,7 +199,7 @@ static int ldo_get_value(struct udevice *dev)
static int ldo_set_value(struct udevice *dev, int uvolt)
{
int ldo = dev->driver_data - 1;
const struct rk808_reg_info *info = &rk808_ldo[ldo];
const struct rk808_reg_info *info = get_ldo_reg(dev->parent, ldo);
int mask = info->vsel_mask;
int val;