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pinctrl: meson: add common function to get pins name

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In order to support the "pinmux status" command, add common function
to get pins count and pin name.

Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
This commit is contained in:
Neil Armstrong 2019-06-04 11:04:52 +02:00
parent fb94245534
commit 88fa32b849
2 changed files with 27 additions and 0 deletions
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24
drivers/pinctrl/meson/pinctrl-meson.c
View File

@ -20,6 +20,8 @@ DECLARE_GLOBAL_DATA_PTR;
static const char *meson_pinctrl_dummy_name = "_dummy";
static char pin_name[PINNAME_SIZE];
int meson_pinctrl_get_groups_count(struct udevice *dev)
{
struct meson_pinctrl *priv = dev_get_priv(dev);
@ -38,6 +40,28 @@ const char *meson_pinctrl_get_group_name(struct udevice *dev,
return priv->data->groups[selector].name;
}
int meson_pinctrl_get_pins_count(struct udevice *dev)
{
struct meson_pinctrl *priv = dev_get_priv(dev);
return priv->data->num_pins;
}
const char *meson_pinctrl_get_pin_name(struct udevice *dev,
unsigned int selector)
{
struct meson_pinctrl *priv = dev_get_priv(dev);
if (selector > priv->data->num_pins ||
selector > priv->data->funcs[0].num_groups)
snprintf(pin_name, PINNAME_SIZE, "Error");
else
snprintf(pin_name, PINNAME_SIZE, "%s",
priv->data->funcs[0].groups[selector]);
return pin_name;
}
int meson_pinmux_get_functions_count(struct udevice *dev)
{
struct meson_pinctrl *priv = dev_get_priv(dev);

3
drivers/pinctrl/meson/pinctrl-meson.h
View File

@ -120,6 +120,9 @@ extern const struct pinctrl_ops meson_pinctrl_ops;
int meson_pinctrl_get_groups_count(struct udevice *dev);
const char *meson_pinctrl_get_group_name(struct udevice *dev,
unsigned int selector);
int meson_pinctrl_get_pins_count(struct udevice *dev);
const char *meson_pinctrl_get_pin_name(struct udevice *dev,
unsigned int selector);
int meson_pinmux_get_functions_count(struct udevice *dev);
const char *meson_pinmux_get_function_name(struct udevice *dev,
unsigned int selector);