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| author |   Jerome Brunet <jbrunet@baylibre.com> | 2019-01-17 11:23:15 +0100 |
|---|---|---|
| committer |   Linus Walleij <linus.walleij@linaro.org> | 2019-01-21 14:50:20 +0100 |
| commit | 64856974a36178a0b2a1081d4cf3e8c9dd72fc44 (patch) | |
| tree | 20f07e686eb816730e9f3e257ef519bcea15bec9 /drivers/pinctrl/meson | |
| parent | pinctrl: meson: fix G12A ao pull registers base address (diff) | |
| download | linux-dev-64856974a36178a0b2a1081d4cf3e8c9dd72fc44.tar.xz linux-dev-64856974a36178a0b2a1081d4cf3e8c9dd72fc44.zip | |
pinctrl: meson: add optional region for drive strength
On the G12a, there is a new 'region' to handle the drive-strength.
This is optional since the older do not have this.
Fixes: 29ae0952e85f ("pinctrl: meson-g12a: add pinctrl driver support")
Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'drivers/pinctrl/meson')
| -rw-r--r-- | drivers/pinctrl/meson/pinctrl-meson.c | 6 | ||||
| -rw-r--r-- | drivers/pinctrl/meson/pinctrl-meson.h | 1 |
2 files changed, 7 insertions, 0 deletions
diff --git a/drivers/pinctrl/meson/pinctrl-meson.c b/drivers/pinctrl/meson/pinctrl-meson.c index a4ae1ac5369e..96a4a72708e4 100644 --- a/drivers/pinctrl/meson/pinctrl-meson.c +++ b/drivers/pinctrl/meson/pinctrl-meson.c @@ -507,6 +507,12 @@ static int meson_pinctrl_parse_dt(struct meson_pinctrl *pc, if (IS_ERR(pc->reg_pullen)) pc->reg_pullen = pc->reg_pull; + pc->reg_ds = meson_map_resource(pc, gpio_np, "ds"); + if (IS_ERR(pc->reg_ds)) { + dev_dbg(pc->dev, "ds registers not found - skipping\n"); + pc->reg_ds = NULL; + } + return 0; } diff --git a/drivers/pinctrl/meson/pinctrl-meson.h b/drivers/pinctrl/meson/pinctrl-meson.h index eff61ea1c67e..5eaab925f427 100644 --- a/drivers/pinctrl/meson/pinctrl-meson.h +++ b/drivers/pinctrl/meson/pinctrl-meson.h @@ -120,6 +120,7 @@ struct meson_pinctrl { struct regmap *reg_pullen; struct regmap *reg_pull; struct regmap *reg_gpio; + struct regmap *reg_ds; struct gpio_chip chip; struct device_node *of_node; }; |