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authorSean Wang <sean.wang@mediatek.com>2017-10-18 16:28:46 +0800
committerMatthias Brugger <matthias.bgg@gmail.com>2017-10-20 11:54:38 +0200
commit7f80f1007881f1d5c7c37010ecd435946b65061d (patch)
tree426eb7cff990db19a5c34595824bbb95e6f4848f /drivers/soc/mediatek
parentd56b31e2eabfce7e41c3beb67be91f00a03d42ed (diff)
downloadlinux-7f80f1007881f1d5c7c37010ecd435946b65061d.tar.bz2
soc: mediatek: pwrap: add MediaTek MT6380 as one slave of pwrap
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@mediatek.com> Signed-off-by: Chen Zhong <chen.zhong@mediatek.com> Signed-off-by: Sean Wang <sean.wang@mediatek.com> Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
Diffstat (limited to 'drivers/soc/mediatek')
-rw-r--r--drivers/soc/mediatek/mtk-pmic-wrap.c24
1 files changed, 21 insertions, 3 deletions
diff --git a/drivers/soc/mediatek/mtk-pmic-wrap.c b/drivers/soc/mediatek/mtk-pmic-wrap.c
index e3398e37a7a6..45c3e44d8f40 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;
/*
@@ -1149,7 +1150,7 @@ 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,
@@ -1158,9 +1159,19 @@ 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,
@@ -1170,6 +1181,7 @@ 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,
@@ -1178,6 +1190,7 @@ 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,
@@ -1189,9 +1202,14 @@ 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 */
}
};
@@ -1372,7 +1390,7 @@ 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;