From: Sean Wang <sean.wang@xxxxxxxxxxxx>
Add MediaTek MT6380 regulator becoming one of PMIC wrapper slave
and also add extra new regmap_config of 32-bit mode for MT6380
since old regmap_config of 16-bit mode can't be fit into the need.
Signed-off-by: Chenglin Xu <chenglin.xu@xxxxxxxxxxxx>
Signed-off-by: Chen Zhong <chen.zhong@xxxxxxxxxxxx>
Signed-off-by: Sean Wang <sean.wang@xxxxxxxxxxxx>
---
drivers/soc/mediatek/mtk-pmic-wrap.c | 24 +++++++++++++++++++++---
1 file changed, 21 insertions(+), 3 deletions(-)
diff --git a/drivers/soc/mediatek/mtk-pmic-wrap.c b/drivers/soc/mediatek/mtk-pmic-wrap.c
index f764908..a4cdc5f 100644
--- a/drivers/soc/mediatek/mtk-pmic-wrap.c
+++ b/drivers/soc/mediatek/mtk-pmic-wrap.c
@@ -507,6 +507,7 @@ struct pmic_wrapper;
struct pwrap_slv_type {
const u32 *dew_regs;
enum pmic_type type;
+ const struct regmap_config *regmap;
/* Flags indicating the capability for the target slave */
u32 caps;
/* pwrap operations are highly associated with the PMIC types,
@@ -1146,7 +1147,7 @@ static irqreturn_t pwrap_interrupt(int irqno, void *dev_id)
return IRQ_HANDLED;
}
-static const struct regmap_config pwrap_regmap_config = {
+static const struct regmap_config pwrap_regmap_config16 = {
.reg_bits = 16,
.val_bits = 16,
.reg_stride = 2,
@@ -1155,9 +1156,19 @@ static const struct regmap_config pwrap_regmap_config = {
.max_register = 0xffff,
};
+static const struct regmap_config pwrap_regmap_config32 = {
+ .reg_bits = 32,
+ .val_bits = 32,
+ .reg_stride = 4,
+ .reg_read = pwrap_regmap_read,
+ .reg_write = pwrap_regmap_write,
+ .max_register = 0xffff,
+};
+
static const struct pwrap_slv_type pmic_mt6323 = {
.dew_regs = mt6323_regs,
.type = PMIC_MT6323,
+ .regmap = &pwrap_regmap_config16,
.caps = PWRAP_SLV_CAP_SPI | PWRAP_SLV_CAP_DUALIO |
PWRAP_SLV_CAP_SECURITY,
.pwrap_read = pwrap_read16,
@@ -1167,6 +1178,7 @@ static const struct pwrap_slv_type pmic_mt6323 = {
static const struct pwrap_slv_type pmic_mt6380 = {
.dew_regs = NULL,
.type = PMIC_MT6380,
+ .regmap = &pwrap_regmap_config32,
.caps = 0,
.pwrap_read = pwrap_read32,
.pwrap_write = pwrap_write32,
@@ -1175,6 +1187,7 @@ static const struct pwrap_slv_type pmic_mt6380 = {
static const struct pwrap_slv_type pmic_mt6397 = {
.dew_regs = mt6397_regs,
.type = PMIC_MT6397,
+ .regmap = &pwrap_regmap_config16,
.caps = PWRAP_SLV_CAP_SPI | PWRAP_SLV_CAP_DUALIO |
PWRAP_SLV_CAP_SECURITY,
.pwrap_read = pwrap_read16,
@@ -1186,9 +1199,14 @@ static const struct of_device_id of_slave_match_tbl[] = {
.compatible = "mediatek,mt6323",
.data = &pmic_mt6323,
}, {
+ /* The MT6380 PMIC only implements a regulator, so we bind it
+ * directly instead of using a MFD.
+ */
+ .compatible = "mediatek,mt6380-regulator",
+ .data = &pmic_mt6380,
+ }, {
.compatible = "mediatek,mt6397",
.data = &pmic_mt6397,
- }, {
/* sentinel */
}
};
@@ -1364,7 +1382,7 @@ static int pwrap_probe(struct platform_device *pdev)
if (ret)
goto err_out2;
- wrp->regmap = devm_regmap_init(wrp->dev, NULL, wrp, &pwrap_regmap_config);
+ wrp->regmap = devm_regmap_init(wrp->dev, NULL, wrp, wrp->slave->regmap);
if (IS_ERR(wrp->regmap)) {
ret = PTR_ERR(wrp->regmap);
goto err_out2;
--
2.7.4
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