From 9f57c16aeb86d2312fa826dec0e061c3152d1c69 Mon Sep 17 00:00:00 2001 From: Valentine Barshak Date: Tue, 13 Aug 2019 01:18:33 +0300 Subject: [PATCH 07/23] net: sh_eth: Toggle PHY GPIO reset pin Looks like we need to toggle PHY GPIO reset pin. Otherwise, GEther device fails to start on V3H platform sometimes. Signed-off-by: Valentine Barshak --- drivers/net/sh_eth.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/drivers/net/sh_eth.c b/drivers/net/sh_eth.c index 2e1123c..cd2657c 100644 --- a/drivers/net/sh_eth.c +++ b/drivers/net/sh_eth.c @@ -750,6 +750,13 @@ static int sh_eth_phy_config(struct udevice *dev) struct phy_device *phydev; int mask = 0xffffffff; + if (dm_gpio_is_valid(&priv->reset_gpio)) { + dm_gpio_set_value(&priv->reset_gpio, 1); + mdelay(20); + dm_gpio_set_value(&priv->reset_gpio, 0); + mdelay(1); + } + phydev = phy_find_by_mask(priv->bus, mask, pdata->phy_interface); if (!phydev) return -ENODEV; -- 2.7.4