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path: root/drivers/pinctrl/renesas/pfc.c
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Diffstat (limited to 'drivers/pinctrl/renesas/pfc.c')
-rw-r--r--drivers/pinctrl/renesas/pfc.c45
1 files changed, 42 insertions, 3 deletions
diff --git a/drivers/pinctrl/renesas/pfc.c b/drivers/pinctrl/renesas/pfc.c
index 06359501b7..d1271dad44 100644
--- a/drivers/pinctrl/renesas/pfc.c
+++ b/drivers/pinctrl/renesas/pfc.c
@@ -459,14 +459,15 @@ static const char *sh_pfc_pinctrl_get_function_name(struct udevice *dev,
return priv->pfc.info->functions[selector].name;
}
-int sh_pfc_config_mux_for_gpio(struct udevice *dev, unsigned pin_selector)
+static int sh_pfc_gpio_request_enable(struct udevice *dev,
+ unsigned pin_selector)
{
struct sh_pfc_pinctrl_priv *priv = dev_get_priv(dev);
struct sh_pfc_pinctrl *pmx = &priv->pmx;
struct sh_pfc *pfc = &priv->pfc;
struct sh_pfc_pin_config *cfg;
const struct sh_pfc_pin *pin = NULL;
- int i, idx;
+ int i, ret, idx;
for (i = 1; i < pfc->info->nr_pins; i++) {
if (priv->pfc.info->pins[i].pin != pin_selector)
@@ -485,7 +486,42 @@ int sh_pfc_config_mux_for_gpio(struct udevice *dev, unsigned pin_selector)
if (cfg->type != PINMUX_TYPE_NONE)
return -EBUSY;
- return sh_pfc_config_mux(pfc, pin->enum_id, PINMUX_TYPE_GPIO);
+ ret = sh_pfc_config_mux(pfc, pin->enum_id, PINMUX_TYPE_GPIO);
+ if (ret)
+ return ret;
+
+ cfg->type = PINMUX_TYPE_GPIO;
+
+ return 0;
+}
+
+static int sh_pfc_gpio_disable_free(struct udevice *dev,
+ unsigned pin_selector)
+{
+ struct sh_pfc_pinctrl_priv *priv = dev_get_priv(dev);
+ struct sh_pfc_pinctrl *pmx = &priv->pmx;
+ struct sh_pfc *pfc = &priv->pfc;
+ struct sh_pfc_pin_config *cfg;
+ const struct sh_pfc_pin *pin = NULL;
+ int i, idx;
+
+ for (i = 1; i < pfc->info->nr_pins; i++) {
+ if (priv->pfc.info->pins[i].pin != pin_selector)
+ continue;
+
+ pin = &priv->pfc.info->pins[i];
+ break;
+ }
+
+ if (!pin)
+ return -EINVAL;
+
+ idx = sh_pfc_get_pin_index(pfc, pin->pin);
+ cfg = &pmx->configs[idx];
+
+ cfg->type = PINMUX_TYPE_NONE;
+
+ return 0;
}
static int sh_pfc_pinctrl_pin_set(struct udevice *dev, unsigned pin_selector,
@@ -746,6 +782,9 @@ static struct pinctrl_ops sh_pfc_pinctrl_ops = {
.pinmux_set = sh_pfc_pinctrl_pin_set,
.pinmux_group_set = sh_pfc_pinctrl_group_set,
.set_state = pinctrl_generic_set_state,
+
+ .gpio_request_enable = sh_pfc_gpio_request_enable,
+ .gpio_disable_free = sh_pfc_gpio_disable_free,
};
static int sh_pfc_map_pins(struct sh_pfc *pfc, struct sh_pfc_pinctrl *pmx)