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net: sh_eth: Support reset GPIO both in mac and phy node

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The recent DTs have the PHY reset GPIO in the PHY node rather than
the ethernet MAC node, support extracting the PHY reset GPIO info
from both the PHY node and ethernet MAC node.

Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Cc: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
Cc: Joe Hershberger <joe.hershberger@ni.com>
This commit is contained in:
Marek Vasut 2018-06-18 04:03:01 +02:00
parent 701db6e9c6
commit 159b329226
1 changed files with 11 additions and 2 deletions
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13
drivers/net/sh_eth.c
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@ -810,6 +810,7 @@ static int sh_ether_probe(struct udevice *udev)
struct eth_pdata *pdata = dev_get_platdata(udev);
struct sh_ether_priv *priv = dev_get_priv(udev);
struct sh_eth_dev *eth = &priv->shdev;
struct ofnode_phandle_args phandle_args;
struct mii_dev *mdiodev;
int ret;
@ -819,8 +820,16 @@ static int sh_ether_probe(struct udevice *udev)
if (ret < 0)
return ret;
gpio_request_by_name(udev, "reset-gpios", 0, &priv->reset_gpio,
GPIOD_IS_OUT);
ret = dev_read_phandle_with_args(udev, "phy-handle", NULL, 0, 0, &phandle_args);
if (!ret) {
gpio_request_by_name_nodev(phandle_args.node, "reset-gpios", 0,
&priv->reset_gpio, GPIOD_IS_OUT);
}
if (!dm_gpio_is_valid(&priv->reset_gpio)) {
gpio_request_by_name(udev, "reset-gpios", 0, &priv->reset_gpio,
GPIOD_IS_OUT);
}
mdiodev = mdio_alloc();
if (!mdiodev) {