diff options
| author | Patrick Delaunay <patrick.delaunay@st.com> | 2020-03-18 10:50:16 +0100 |
|---|---|---|
| committer | Patrice Chotard <patrice.chotard@st.com> | 2020-04-15 09:08:29 +0200 |
| commit | 4f60a51d07999a33f22c0bbe731b7742affa92f5 (patch) | |
| tree | 69c0b735d33cd5266d0541ba35166804d07f6b4d /drivers/net/dwc_eth_qos.c | |
| parent | 5177b31ba6aaba0ceb218a2ea87f63d6a7deb3fd (diff) | |
net: dwc_eth_qos: implement phy reg and max-speed for stm32
Add management of property "reg" to configure @ of phy and
also "max-speed" property to specify maximum speed in Mbit/s
supported by the device
Signed-off-by: Christophe Roullier <christophe.roullier@st.com>
Reviewed-by: Patrick DELAUNAY <patrick.delaunay@st.com>
Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
Diffstat (limited to 'drivers/net/dwc_eth_qos.c')
| -rw-r--r-- | drivers/net/dwc_eth_qos.c | 19 |
1 files changed, 18 insertions, 1 deletions
diff --git a/drivers/net/dwc_eth_qos.c b/drivers/net/dwc_eth_qos.c index 4796659216..63f2086dec 100644 --- a/drivers/net/dwc_eth_qos.c +++ b/drivers/net/dwc_eth_qos.c @@ -306,6 +306,8 @@ struct eqos_priv { struct clk clk_slave_bus; struct mii_dev *mii; struct phy_device *phy; + int phyaddr; + u32 max_speed; void *descs; struct eqos_desc *tx_descs; struct eqos_desc *rx_descs; @@ -1081,12 +1083,21 @@ static int eqos_start(struct udevice *dev) * don't need to reconnect/reconfigure again */ if (!eqos->phy) { - eqos->phy = phy_connect(eqos->mii, -1, dev, + eqos->phy = phy_connect(eqos->mii, eqos->phyaddr, dev, eqos->config->interface(dev)); if (!eqos->phy) { pr_err("phy_connect() failed"); goto err_stop_resets; } + + if (eqos->max_speed) { + ret = phy_set_supported(eqos->phy, eqos->max_speed); + if (ret) { + pr_err("phy_set_supported() failed: %d", ret); + goto err_shutdown_phy; + } + } + ret = phy_config(eqos->phy); if (ret < 0) { pr_err("phy_config() failed: %d", ret); @@ -1654,6 +1665,8 @@ static int eqos_probe_resources_stm32(struct udevice *dev) if (ret) return -EINVAL; + eqos->max_speed = dev_read_u32_default(dev, "max-speed", 0); + ret = clk_get_by_name(dev, "stmmaceth", &eqos->clk_master_bus); if (ret) { pr_err("clk_get_by_name(master_bus) failed: %d", ret); @@ -1677,6 +1690,7 @@ static int eqos_probe_resources_stm32(struct udevice *dev) if (ret) pr_warn("No phy clock provided %d", ret); + eqos->phyaddr = -1; ret = dev_read_phandle_with_args(dev, "phy-handle", NULL, 0, 0, &phandle_args); if (!ret) { @@ -1689,6 +1703,9 @@ static int eqos_probe_resources_stm32(struct udevice *dev) if (ret) pr_warn("gpio_request_by_name(phy reset) not provided %d", ret); + + eqos->phyaddr = ofnode_read_u32_default(phandle_args.node, + "reg", -1); } debug("%s: OK\n", __func__); |