diff options
Diffstat (limited to 'drivers/pinctrl/meson/pinctrl-meson.c')
-rw-r--r-- | drivers/pinctrl/meson/pinctrl-meson.c | 38 |
1 files changed, 29 insertions, 9 deletions
diff --git a/drivers/pinctrl/meson/pinctrl-meson.c b/drivers/pinctrl/meson/pinctrl-meson.c index 8bba9d053d9f..3c80828a5e50 100644 --- a/drivers/pinctrl/meson/pinctrl-meson.c +++ b/drivers/pinctrl/meson/pinctrl-meson.c @@ -625,7 +625,7 @@ static struct regmap *meson_map_resource(struct meson_pinctrl *pc, i = of_property_match_string(node, "reg-names", name); if (of_address_to_resource(node, i, &res)) - return ERR_PTR(-ENOENT); + return NULL; base = devm_ioremap_resource(pc->dev, &res); if (IS_ERR(base)) @@ -665,26 +665,24 @@ static int meson_pinctrl_parse_dt(struct meson_pinctrl *pc, pc->of_node = gpio_np; pc->reg_mux = meson_map_resource(pc, gpio_np, "mux"); - if (IS_ERR(pc->reg_mux)) { + if (IS_ERR_OR_NULL(pc->reg_mux)) { dev_err(pc->dev, "mux registers not found\n"); - return PTR_ERR(pc->reg_mux); + return pc->reg_mux ? PTR_ERR(pc->reg_mux) : -ENOENT; } pc->reg_gpio = meson_map_resource(pc, gpio_np, "gpio"); - if (IS_ERR(pc->reg_gpio)) { + if (IS_ERR_OR_NULL(pc->reg_gpio)) { dev_err(pc->dev, "gpio registers not found\n"); - return PTR_ERR(pc->reg_gpio); + return pc->reg_gpio ? PTR_ERR(pc->reg_gpio) : -ENOENT; } pc->reg_pull = meson_map_resource(pc, gpio_np, "pull"); - /* Use gpio region if pull one is not present */ if (IS_ERR(pc->reg_pull)) - pc->reg_pull = pc->reg_gpio; + pc->reg_pull = NULL; pc->reg_pullen = meson_map_resource(pc, gpio_np, "pull-enable"); - /* Use pull region if pull-enable one is not present */ if (IS_ERR(pc->reg_pullen)) - pc->reg_pullen = pc->reg_pull; + pc->reg_pullen = NULL; pc->reg_ds = meson_map_resource(pc, gpio_np, "ds"); if (IS_ERR(pc->reg_ds)) { @@ -692,6 +690,28 @@ static int meson_pinctrl_parse_dt(struct meson_pinctrl *pc, pc->reg_ds = NULL; } + if (pc->data->parse_dt) + return pc->data->parse_dt(pc); + + return 0; +} + +int meson8_aobus_parse_dt_extra(struct meson_pinctrl *pc) +{ + if (!pc->reg_pull) + return -EINVAL; + + pc->reg_pullen = pc->reg_pull; + + return 0; +} + +int meson_a1_parse_dt_extra(struct meson_pinctrl *pc) +{ + pc->reg_pull = pc->reg_gpio; + pc->reg_pullen = pc->reg_gpio; + pc->reg_ds = pc->reg_gpio; + return 0; } |