[U-Boot] [PATCH v4 4/6] power: pmic: rk805: support rk805 pmic

[Elaine Zhang]

The RK805 are a Power Management IC (PMIC) for multimedia
and handheld devices. They contains the following components:
    - Regulators(4*BUCKs, 3*LDOs)
    - 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 | 17 +++++++++++++++++
 include/power/rk8xx_pmic.h      |  1 +
 3 files changed, 19 insertions(+)

diff --git a/drivers/power/pmic/rk8xx.c b/drivers/power/pmic/rk8xx.c
index 1900de9d1cdb..00c8a2e091d8 100644
--- a/drivers/power/pmic/rk8xx.c
+++ b/drivers/power/pmic/rk8xx.c
@@ -94,6 +94,7 @@ static struct dm_pmic_ops rk8xx_ops = {
 };
 
 static const struct udevice_id rk8xx_ids[] = {
+	{ .compatible = "rockchip,rk805" },
 	{ .compatible = "rockchip,rk808" },
 	{ .compatible = "rockchip,rk816" },
 	{ .compatible = "rockchip,rk818" },
diff --git a/drivers/power/regulator/rk8xx.c b/drivers/power/regulator/rk8xx.c
index 3188d3c6350d..e9d83635988b 100644
--- a/drivers/power/regulator/rk8xx.c
+++ b/drivers/power/regulator/rk8xx.c
@@ -38,7 +38,14 @@
 /*
  * Ramp delay
  */
+#define RK805_RAMP_RATE_OFFSET		3
+#define RK805_RAMP_RATE_MASK		(3 << RK805_RAMP_RATE_OFFSET)
+#define RK805_RAMP_RATE_3MV_PER_US	(0 << RK805_RAMP_RATE_OFFSET)
+#define RK805_RAMP_RATE_6MV_PER_US	(1 << RK805_RAMP_RATE_OFFSET)
+#define RK805_RAMP_RATE_12_5MV_PER_US	(2 << RK805_RAMP_RATE_OFFSET)
+#define RK805_RAMP_RATE_25MV_PER_US	(3 << RK805_RAMP_RATE_OFFSET)
 #define RK808_RAMP_RATE_OFFSET		3
+
 #define RK808_RAMP_RATE_MASK		(3 << RK808_RAMP_RATE_OFFSET)
 #define RK808_RAMP_RATE_2MV_PER_US	(0 << RK808_RAMP_RATE_OFFSET)
 #define RK808_RAMP_RATE_4MV_PER_US	(1 << RK808_RAMP_RATE_OFFSET)
@@ -131,6 +138,7 @@ static const struct rk8xx_reg_info *get_buck_reg(struct udevice *pmic,
 	struct rk8xx_priv *priv = dev_get_priv(pmic);
 
 	switch (priv->variant) {
+	case RK805_ID:
 	case RK816_ID:
 		switch (num) {
 		case 0:
@@ -185,6 +193,7 @@ static int _buck_set_enable(struct udevice *pmic, int buck, bool enable)
 	struct rk8xx_priv *priv = dev_get_priv(pmic);
 
 	switch (priv->variant) {
+	case RK805_ID:
 	case RK816_ID:
 		if (buck >= 4) {
 			buck -= 4;
@@ -246,6 +255,7 @@ static int _buck_get_enable(struct udevice *pmic, int buck)
 	int ret = 0;
 
 	switch (priv->variant) {
+	case RK805_ID:
 	case RK816_ID:
 		if (buck >= 4) {
 			mask = 1 << (buck - 4);
@@ -277,6 +287,7 @@ 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 RK805_ID:
 	case RK816_ID:
 		mask = 1 << buck;
 		ret = pmic_clrsetbits(pmic, RK816_REG_DCDC_SLP_EN, mask,
@@ -302,6 +313,7 @@ static int _buck_get_suspend_enable(struct udevice *pmic, int buck)
 	uint mask;
 
 	switch (priv->variant) {
+	case RK805_ID:
 	case RK816_ID:
 		mask = 1 << buck;
 		val = pmic_reg_read(pmic, RK816_REG_DCDC_SLP_EN);
@@ -330,6 +342,7 @@ static const struct rk8xx_reg_info *get_ldo_reg(struct udevice *pmic,
 	struct rk8xx_priv *priv = dev_get_priv(pmic);
 
 	switch (priv->variant) {
+	case RK805_ID:
 	case RK816_ID:
 		return &rk816_ldo[num];
 	case RK818_ID:
@@ -346,6 +359,7 @@ static int _ldo_get_enable(struct udevice *pmic, int ldo)
 	int ret = 0;
 
 	switch (priv->variant) {
+	case RK805_ID:
 	case RK816_ID:
 		if (ldo >= 4) {
 			mask = 1 << (ldo - 4);
@@ -378,6 +392,7 @@ static int _ldo_set_enable(struct udevice *pmic, int ldo, bool enable)
 	int ret = 0;
 
 	switch (priv->variant) {
+	case RK805_ID:
 	case RK816_ID:
 		if (ldo >= 4) {
 			ldo -= 4;
@@ -410,6 +425,7 @@ static int _ldo_set_suspend_enable(struct udevice *pmic, int ldo, bool enable)
 	int ret = 0;
 
 	switch (priv->variant) {
+	case RK805_ID:
 	case RK816_ID:
 		mask = 1 << ldo;
 		ret = pmic_clrsetbits(pmic, RK816_REG_LDO_SLP_EN, mask,
@@ -433,6 +449,7 @@ static int _ldo_get_suspend_enable(struct udevice *pmic, int ldo)
 	uint mask;
 
 	switch (priv->variant) {
+	case RK805_ID:
 	case RK816_ID:
 		mask = 1 << ldo;
 		val = pmic_reg_read(pmic, RK816_REG_LDO_SLP_EN);
diff --git a/include/power/rk8xx_pmic.h b/include/power/rk8xx_pmic.h
index 44e8d687dfba..7784c2a5e473 100644
--- a/include/power/rk8xx_pmic.h
+++ b/include/power/rk8xx_pmic.h
@@ -179,6 +179,7 @@ enum {
 };
 
 enum {
+	RK805_ID = 0x8050,
 	RK808_ID = 0x0000,
 	RK816_ID = 0x8160,
 	RK818_ID = 0x8180,
-- 
1.9.1