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net: dwc_eth_qos: use generic ethernet phy for stm32 variant

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Use the generic ethernet phy which already manages the correct binding
for gpio reset, including the assert an deassert delays.

Reviewed-by: Ramon Fried <rfried.dev@gmail.com>
Signed-off-by: Patrick Delaunay <patrick.delaunay@foss.st.com>
This commit is contained in:
Patrick Delaunay 2021-07-20 20:09:55 +02:00 committed by Ramon Fried
parent ebf9a91f86
commit 9dbdc234a7
2 changed files with 1 additions and 50 deletions
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1
drivers/net/Kconfig
View file

@ -206,6 +206,7 @@ config DWC_ETH_QOS_IMX
config DWC_ETH_QOS_STM32
bool "Synopsys DWC Ethernet QOS device support for STM32"
depends on DWC_ETH_QOS
select DM_ETH_PHY
default y if ARCH_STM32MP
help
The Synopsys Designware Ethernet QOS IP block with the specific

50
drivers/net/dwc_eth_qos.c
View file

@ -696,29 +696,6 @@ static int eqos_start_resets_tegra186(struct udevice *dev)
static int eqos_start_resets_stm32(struct udevice *dev)
{
struct eqos_priv *eqos = dev_get_priv(dev);
int ret;
debug("%s(dev=%p):\n", __func__, dev);
if (dm_gpio_is_valid(&eqos->phy_reset_gpio)) {
ret = dm_gpio_set_value(&eqos->phy_reset_gpio, 1);
if (ret < 0) {
pr_err("dm_gpio_set_value(phy_reset, assert) failed: %d",
ret);
return ret;
}
udelay(2);
ret = dm_gpio_set_value(&eqos->phy_reset_gpio, 0);
if (ret < 0) {
pr_err("dm_gpio_set_value(phy_reset, deassert) failed: %d",
ret);
return ret;
}
}
debug("%s: OK\n", __func__);
return 0;
}
@ -739,18 +716,6 @@ static int eqos_stop_resets_tegra186(struct udevice *dev)
static int eqos_stop_resets_stm32(struct udevice *dev)
{
struct eqos_priv *eqos = dev_get_priv(dev);
int ret;
if (dm_gpio_is_valid(&eqos->phy_reset_gpio)) {
ret = dm_gpio_set_value(&eqos->phy_reset_gpio, 1);
if (ret < 0) {
pr_err("dm_gpio_set_value(phy_reset, assert) failed: %d",
ret);
return ret;
}
}
return 0;
}
@ -1772,7 +1737,6 @@ static int eqos_probe_resources_stm32(struct udevice *dev)
struct eqos_priv *eqos = dev_get_priv(dev);
int ret;
phy_interface_t interface;
struct ofnode_phandle_args phandle_args;
debug("%s(dev=%p):\n", __func__, dev);
@ -1812,20 +1776,6 @@ static int eqos_probe_resources_stm32(struct udevice *dev)
if (ret)
pr_warn("No phy clock provided %d", ret);
ret = dev_read_phandle_with_args(dev, "phy-handle", NULL, 0, 0,
&phandle_args);
if (!ret) {
/* search "reset-gpios" in phy node */
ret = gpio_request_by_name_nodev(phandle_args.node,
"reset-gpios", 0,
&eqos->phy_reset_gpio,
GPIOD_IS_OUT |
GPIOD_IS_OUT_ACTIVE);
if (ret)
pr_warn("gpio_request_by_name(phy reset) not provided %d",
ret);
}
debug("%s: OK\n", __func__);
return 0;