diff options
| author |   Sean Wang <sean.wang@mediatek.com> | 2018-09-08 19:07:26 +0800 |
|---|---|---|
| committer |   Linus Walleij <linus.walleij@linaro.org> | 2018-09-18 14:53:00 -0700 |
| commit | 182c842fd5e6846baefc1e879eea7f2126703a61 (patch) | |
| tree | f930e6f610cfefd19213a29cfdd3e27d5d7509bb /drivers/pinctrl/mediatek | |
| parent | pinctrl: mediatek: add advanced pull related support to pinctrl-mtk-common-v2.c (diff) | |
| download | linux-dev-182c842fd5e6846baefc1e879eea7f2126703a61.tar.xz linux-dev-182c842fd5e6846baefc1e879eea7f2126703a61.zip | |
pinctrl: mediatek: add ies register support to pinctrl-mtk-common-v2.c
Certain SoCs have to program an extra IES register to configure input
enabled mode so that we add it in the existing path as an option.
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')
| -rw-r--r-- | drivers/pinctrl/mediatek/pinctrl-moore.c | 26 | ||||
| -rw-r--r-- | drivers/pinctrl/mediatek/pinctrl-mt7622.c | 1 | ||||
| -rw-r--r-- | drivers/pinctrl/mediatek/pinctrl-mtk-common-v2.h | 2 |
3 files changed, 22 insertions, 7 deletions
diff --git a/drivers/pinctrl/mediatek/pinctrl-moore.c b/drivers/pinctrl/mediatek/pinctrl-moore.c index 400932959727..219cfce6d3d9 100644 --- a/drivers/pinctrl/mediatek/pinctrl-moore.c +++ b/drivers/pinctrl/mediatek/pinctrl-moore.c @@ -244,15 +244,27 @@ static int mtk_pinconf_set(struct pinctrl_dev *pctldev, unsigned int pin, MTK_DISABLE); if (err) goto err; - /* else: fall through */ + + err = mtk_hw_set_value(hw, pin, PINCTRL_PIN_REG_DIR, + MTK_OUTPUT); + if (err) + goto err; + break; case PIN_CONFIG_INPUT_ENABLE: - case PIN_CONFIG_SLEW_RATE: - reg = (param == PIN_CONFIG_SLEW_RATE) ? - PINCTRL_PIN_REG_SR : PINCTRL_PIN_REG_DIR; - arg = (param == PIN_CONFIG_INPUT_ENABLE) ? 0 : - (param == PIN_CONFIG_OUTPUT_ENABLE) ? 1 : arg; - err = mtk_hw_set_value(hw, pin, reg, arg); + if (hw->soc->ies_present) { + mtk_hw_set_value(hw, pin, PINCTRL_PIN_REG_IES, + MTK_ENABLE); + } + + err = mtk_hw_set_value(hw, pin, PINCTRL_PIN_REG_DIR, + MTK_INPUT); + if (err) + goto err; + break; + case PIN_CONFIG_SLEW_RATE: + err = mtk_hw_set_value(hw, pin, PINCTRL_PIN_REG_SR, + arg); if (err) goto err; diff --git a/drivers/pinctrl/mediatek/pinctrl-mt7622.c b/drivers/pinctrl/mediatek/pinctrl-mt7622.c index 9a5b13a2826e..9ac36ab3678c 100644 --- a/drivers/pinctrl/mediatek/pinctrl-mt7622.c +++ b/drivers/pinctrl/mediatek/pinctrl-mt7622.c @@ -767,6 +767,7 @@ static const struct mtk_pin_soc mt7622_data = { .eint_hw = &mt7622_eint_hw, .gpio_m = 1, .eint_m = 1, + .ies_present = false, .bias_disable_set = mtk_pinconf_bias_disable_set, .bias_disable_get = mtk_pinconf_bias_disable_get, .bias_set = mtk_pinconf_bias_set, diff --git a/drivers/pinctrl/mediatek/pinctrl-mtk-common-v2.h b/drivers/pinctrl/mediatek/pinctrl-mtk-common-v2.h index ce364a1a28a6..b01dbd831ef7 100644 --- a/drivers/pinctrl/mediatek/pinctrl-mtk-common-v2.h +++ b/drivers/pinctrl/mediatek/pinctrl-mtk-common-v2.h @@ -54,6 +54,7 @@ enum { PINCTRL_PIN_REG_PUPD, PINCTRL_PIN_REG_R0, PINCTRL_PIN_REG_R1, + PINCTRL_PIN_REG_IES, PINCTRL_PIN_REG_MAX, }; @@ -151,6 +152,7 @@ struct mtk_pin_soc { /* Specific parameters per SoC */ u8 gpio_m; u8 eint_m; + bool ies_present; /* Specific pinconfig operations */ int (*bias_disable_set)(struct mtk_pinctrl *hw, |