static int phylink_parse_fixedlink(struct phylink *pl,
struct fwnode_handle *fwnode)
{
struct fwnode_handle *fixed_node;
const struct phy_setting *s;
struct gpio_desc *desc;
u32 speed;
int ret;
fixed_node = fwnode_get_named_child_node(fwnode, "fixed-link");
if (fixed_node) {
ret = fwnode_property_read_u32(fixed_node, "speed", &speed);
pl->link_config.speed = speed;
pl->link_config.duplex = DUPLEX_HALF;
if (fwnode_property_read_bool(fixed_node, "full-duplex"))
pl->link_config.duplex = DUPLEX_FULL;
/* We treat the "pause" and "asym-pause" terminology as
* defining the link partner's ability. */
if (fwnode_property_read_bool(fixed_node, "pause"))
pl->link_config.pause |= MLO_PAUSE_SYM;
if (fwnode_property_read_bool(fixed_node, "asym-pause"))
pl->link_config.pause |= MLO_PAUSE_ASYM;
if (ret == 0) {
desc = fwnode_get_named_gpiod(fixed_node, "link-gpios",
0, GPIOD_IN, "?");
if (!IS_ERR(desc))
pl->link_gpio = desc;
else if (desc == ERR_PTR(-EPROBE_DEFER))
ret = -EPROBE_DEFER;
}
fwnode_handle_put(fixed_node);
if (ret)
return ret;
} else {
u32 prop[5];
ret = fwnode_property_read_u32_array(fwnode, "fixed-link",
NULL, 0);
if (ret != ARRAY_SIZE(prop)) {
netdev_err(pl->netdev, "broken fixed-link?\n");
return -EINVAL;
}
ret = fwnode_property_read_u32_array(fwnode, "fixed-link",
prop, ARRAY_SIZE(prop));
if (!ret) {
pl->link_config.duplex = prop[1] ?
DUPLEX_FULL : DUPLEX_HALF;
pl->link_config.speed = prop[2];
if (prop[3])
pl->link_config.pause |= MLO_PAUSE_SYM;
if (prop[4])
pl->link_config.pause |= MLO_PAUSE_ASYM;
}
}
if (pl->link_config.speed > SPEED_1000 &&
pl->link_config.duplex != DUPLEX_FULL)
netdev_warn(pl->netdev, "fixed link specifies half duplex for %dMbps link?\n",
pl->link_config.speed);
bitmap_fill(pl->supported, __ETHTOOL_LINK_MODE_MASK_NBITS);
linkmode_copy(pl->link_config.advertising, pl->supported);
phylink_validate(pl, pl->supported, &pl->link_config);
s = phy_lookup_setting(pl->link_config.speed, pl->link_config.duplex,
pl->supported,
__ETHTOOL_LINK_MODE_MASK_NBITS, true);
linkmode_zero(pl->supported);
phylink_set(pl->supported, MII);
if (s) {
__set_bit(s->bit, pl->supported);
} else {
netdev_warn(pl->netdev, "fixed link %s duplex %dMbps not recognised\n",
pl->link_config.duplex == DUPLEX_FULL ? "full" : "half",
pl->link_config.speed);
}
linkmode_and(pl->link_config.advertising, pl->link_config.advertising,
pl->supported);
pl->link_config.link = 1;
pl->link_config.an_complete = 1;
return 0;
}
/*
* Translate properties into platform_data
*/
static struct gpio_keys_platform_data *
gpio_keys_get_devtree_pdata(struct device *dev)
{
struct gpio_keys_platform_data *pdata;
struct gpio_keys_button *button;
struct fwnode_handle *child;
int nbuttons;
nbuttons = device_get_child_node_count(dev);
if (nbuttons == 0)
return ERR_PTR(-ENODEV);
pdata = devm_kzalloc(dev,
sizeof(*pdata) + nbuttons * sizeof(*button),
GFP_KERNEL);
if (!pdata)
return ERR_PTR(-ENOMEM);
button = (struct gpio_keys_button *)(pdata + 1);
pdata->buttons = button;
pdata->nbuttons = nbuttons;
pdata->rep = device_property_read_bool(dev, "autorepeat");
device_property_read_string(dev, "label", &pdata->name);
device_for_each_child_node(dev, child) {
if (is_of_node(child))
button->irq =
irq_of_parse_and_map(to_of_node(child), 0);
if (fwnode_property_read_u32(child, "linux,code",
&button->code)) {
dev_err(dev, "Button without keycode\n");
fwnode_handle_put(child);
return ERR_PTR(-EINVAL);
}
fwnode_property_read_string(child, "label", &button->desc);
if (fwnode_property_read_u32(child, "linux,input-type",
&button->type))
button->type = EV_KEY;
button->wakeup =
fwnode_property_read_bool(child, "wakeup-source") ||
/* legacy name */
fwnode_property_read_bool(child, "gpio-key,wakeup");
button->can_disable =
fwnode_property_read_bool(child, "linux,can-disable");
if (fwnode_property_read_u32(child, "debounce-interval",
&button->debounce_interval))
button->debounce_interval = 5;
button++;
}
return pdata;
}
