diff options
| author | Sean Wang <sean.wang@mediatek.com> | 2017-10-18 16:28:46 +0800 |
|---|---|---|
| committer | Matthias Brugger <matthias.bgg@gmail.com> | 2017-10-20 11:54:38 +0200 |
| commit | 7f80f1007881f1d5c7c37010ecd435946b65061d (patch) | |
| tree | 426eb7cff990db19a5c34595824bbb95e6f4848f /drivers/soc | |
| parent | d56b31e2eabfce7e41c3beb67be91f00a03d42ed (diff) | |
| download | talos-obmc-linux-7f80f1007881f1d5c7c37010ecd435946b65061d.tar.gz talos-obmc-linux-7f80f1007881f1d5c7c37010ecd435946b65061d.zip | |
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')
| -rw-r--r-- | drivers/soc/mediatek/mtk-pmic-wrap.c | 24 |
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; |
