diff options
| author | Sean Wang <sean.wang@mediatek.com> | 2018-09-08 19:07:24 +0800 |
|---|---|---|
| committer | Linus Walleij <linus.walleij@linaro.org> | 2018-09-18 14:52:55 -0700 |
| commit | 85430152ba468acbfc2d7bc81c57bb2f93a24641 (patch) | |
| tree | 5a05e6648fafee814f14703fdd600d7411e7e5e1 /drivers/pinctrl/mediatek/pinctrl-moore.c | |
| parent | 3ad38a14e13c10f19d4a6ca9ed3d90b003e21a45 (diff) | |
| download | linux-85430152ba468acbfc2d7bc81c57bb2f93a24641.tar.bz2 | |
pinctrl: mediatek: add pull related support to pinctrl-mtk-common-v2.c
Put pull control support related functions to pinctrl-mtk-common-v2.c
as these operations might be different by chips and allow different
type of driver to reuse them.
Signed-off-by: Ryder.Lee <ryder.lee@mediatek.com>
Signed-off-by: Sean Wang <sean.wang@mediatek.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'drivers/pinctrl/mediatek/pinctrl-moore.c')
| -rw-r--r-- | drivers/pinctrl/mediatek/pinctrl-moore.c | 76 |
1 files changed, 47 insertions, 29 deletions
diff --git a/drivers/pinctrl/mediatek/pinctrl-moore.c b/drivers/pinctrl/mediatek/pinctrl-moore.c index 1f0cd306a940..d69f024c416d 100644 --- a/drivers/pinctrl/mediatek/pinctrl-moore.c +++ b/drivers/pinctrl/mediatek/pinctrl-moore.c @@ -88,27 +88,34 @@ static int mtk_pinconf_get(struct pinctrl_dev *pctldev, switch (param) { case PIN_CONFIG_BIAS_DISABLE: - err = mtk_hw_get_value(hw, pin, PINCTRL_PIN_REG_PU, &val); - if (err) - return err; - - err = mtk_hw_get_value(hw, pin, PINCTRL_PIN_REG_PD, &val2); - if (err) - return err; - - if (val || val2) - return -EINVAL; - + if (hw->soc->bias_disable_get) { + err = hw->soc->bias_disable_get(hw, desc, &ret); + if (err) + return err; + } else { + return -ENOTSUPP; + } break; case PIN_CONFIG_BIAS_PULL_UP: + if (hw->soc->bias_get) { + err = hw->soc->bias_get(hw, desc, 1, &ret); + if (err) + return err; + } else { + return -ENOTSUPP; + } + break; case PIN_CONFIG_BIAS_PULL_DOWN: + if (hw->soc->bias_get) { + err = hw->soc->bias_get(hw, desc, 0, &ret); + if (err) + return err; + } else { + return -ENOTSUPP; + } + break; case PIN_CONFIG_SLEW_RATE: - reg = (param == PIN_CONFIG_BIAS_PULL_UP) ? - PINCTRL_PIN_REG_PU : - (param == PIN_CONFIG_BIAS_PULL_DOWN) ? - PINCTRL_PIN_REG_PD : PINCTRL_PIN_REG_SR; - - err = mtk_hw_get_value(hw, pin, reg, &val); + err = mtk_hw_get_value(hw, pin, PINCTRL_PIN_REG_SR, &val); if (err) return err; @@ -187,20 +194,31 @@ static int mtk_pinconf_set(struct pinctrl_dev *pctldev, unsigned int pin, switch (param) { case PIN_CONFIG_BIAS_DISABLE: + if (hw->soc->bias_disable_set) { + err = hw->soc->bias_disable_set(hw, desc); + if (err) + return err; + } else { + return -ENOTSUPP; + } + break; case PIN_CONFIG_BIAS_PULL_UP: + if (hw->soc->bias_set) { + err = hw->soc->bias_set(hw, desc, 1); + if (err) + return err; + } else { + return -ENOTSUPP; + } + break; case PIN_CONFIG_BIAS_PULL_DOWN: - arg = (param == PIN_CONFIG_BIAS_DISABLE) ? 0 : - (param == PIN_CONFIG_BIAS_PULL_UP) ? 1 : 2; - - err = mtk_hw_set_value(hw, pin, PINCTRL_PIN_REG_PU, - arg & 1); - if (err) - goto err; - - err = mtk_hw_set_value(hw, pin, PINCTRL_PIN_REG_PD, - !!(arg & 2)); - if (err) - goto err; + if (hw->soc->bias_set) { + err = hw->soc->bias_set(hw, desc, 0); + if (err) + return err; + } else { + return -ENOTSUPP; + } break; case PIN_CONFIG_OUTPUT_ENABLE: err = mtk_hw_set_value(hw, pin, PINCTRL_PIN_REG_SMT, |