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net: mvpp2: fix polarity of PHY reset signal

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The dm_gpio_set_value() call sets the logical level of the GPIO signal.
That is, it takes the GPIO_ACTIVE_{LOW,HIGH} property into account. The
driver needs to assert the reset, and then deassert it. Not the other
way around.

Cc: Stefan Chulski <stefanc@marvell.com>
Signed-off-by: Baruch Siach <baruch@tkos.co.il>
Acked-by: Joe Hershberger <joe.hershberger@ni.com>
Reviewed-by: Stefan Roese <sr@denx.de>
This commit is contained in:
Baruch Siach 2018-10-15 13:16:47 +03:00 committed by Joe Hershberger
parent 1ddcf5edbb
commit fa14027d5c
1 changed files with 2 additions and 2 deletions
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4
drivers/net/mvpp2.c
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@ -4792,9 +4792,9 @@ static int phy_info_parse(struct udevice *dev, struct mvpp2_port *port)
static void mvpp2_gpio_init(struct mvpp2_port *port) static void mvpp2_gpio_init(struct mvpp2_port *port)
{ {
if (dm_gpio_is_valid(&port->phy_reset_gpio)) { if (dm_gpio_is_valid(&port->phy_reset_gpio)) {
dm_gpio_set_value(&port->phy_reset_gpio, 0);
udelay(1000);
dm_gpio_set_value(&port->phy_reset_gpio, 1); dm_gpio_set_value(&port->phy_reset_gpio, 1);
udelay(1000);
dm_gpio_set_value(&port->phy_reset_gpio, 0);
} }
if (dm_gpio_is_valid(&port->phy_tx_disable_gpio)) if (dm_gpio_is_valid(&port->phy_tx_disable_gpio))