diff options
| author | Sean Wang <sean.wang@mediatek.com> | 2018-09-08 19:07:38 +0800 |
|---|---|---|
| committer | Linus Walleij <linus.walleij@linaro.org> | 2018-09-18 14:53:42 -0700 |
| commit | 6561859b067fcd6c5b89fd625b2c7dc324b706b5 (patch) | |
| tree | 8a9ac55237bdf531704c65e86c247221d43031a2 /drivers/pinctrl/mediatek/pinctrl-paris.c | |
| parent | 89132dd8ffd2218fad3f53a9ca529e609237448a (diff) | |
| download | linux-6561859b067fcd6c5b89fd625b2c7dc324b706b5.tar.bz2 | |
pinctrl: mediatek: add eint support to MT8183 pinctrl driver
Just add eint support to MT8183 pinctrl driver as usual as
happens on the other SoCs.
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-paris.c')
| -rw-r--r-- | drivers/pinctrl/mediatek/pinctrl-paris.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/drivers/pinctrl/mediatek/pinctrl-paris.c b/drivers/pinctrl/mediatek/pinctrl-paris.c index 50d689371590..9f4224f9d605 100644 --- a/drivers/pinctrl/mediatek/pinctrl-paris.c +++ b/drivers/pinctrl/mediatek/pinctrl-paris.c @@ -718,6 +718,22 @@ static int mtk_gpio_direction_output(struct gpio_chip *chip, unsigned int gpio, return pinctrl_gpio_direction_output(chip->base + gpio); } +static int mtk_gpio_to_irq(struct gpio_chip *chip, unsigned int offset) +{ + struct mtk_pinctrl *hw = gpiochip_get_data(chip); + const struct mtk_pin_desc *desc; + + if (!hw->eint) + return -ENOTSUPP; + + desc = (const struct mtk_pin_desc *)&hw->soc->pins[offset]; + + if (desc->eint.eint_n == EINT_NA) + return -ENOTSUPP; + + return mtk_eint_find_irq(hw->eint, desc->eint.eint_n); +} + static int mtk_gpio_set_config(struct gpio_chip *chip, unsigned int offset, unsigned long config) { @@ -751,6 +767,7 @@ static int mtk_build_gpiochip(struct mtk_pinctrl *hw, struct device_node *np) chip->direction_output = mtk_gpio_direction_output; chip->get = mtk_gpio_get; chip->set = mtk_gpio_set; + chip->to_irq = mtk_gpio_to_irq, chip->set_config = mtk_gpio_set_config, chip->base = -1; chip->ngpio = hw->soc->npins; @@ -871,6 +888,11 @@ int mtk_paris_pinctrl_probe(struct platform_device *pdev, if (err) return err; + err = mtk_build_eint(hw, pdev); + if (err) + dev_warn(&pdev->dev, + "Failed to add EINT, but pinctrl still can work\n"); + /* Build gpiochip should be after pinctrl_enable is done */ err = mtk_build_gpiochip(hw, pdev->dev.of_node); if (err) { |