diff options
| author | Chaoyi Chen <chaoyi.chen@rock-chips.com> | 2025-08-15 10:35:15 +0800 |
|---|---|---|
| committer | Paolo Abeni <pabeni@redhat.com> | 2025-08-19 15:57:28 +0200 |
| commit | da114122b83149d1f1db0586b1d67947b651aa20 (patch) | |
| tree | 6833ea5db17e2df30624fe1b699527682b19864b | |
| parent | 0283b8f134e499a51bb972403eb47cda6b960f7c (diff) | |
net: ethernet: stmmac: dwmac-rk: Make the clk_phy could be used for external phy
For external phy, clk_phy should be optional, and some external phy
need the clock input from clk_phy. This patch adds support for setting
clk_phy for external phy.
Signed-off-by: David Wu <david.wu@rock-chips.com>
Signed-off-by: Chaoyi Chen <chaoyi.chen@rock-chips.com>
Link: https://patch.msgid.link/20250815023515.114-1-kernel@airkyi.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
| -rw-r--r-- | drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c index 7c898768d544..9fc41207cc45 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c @@ -1412,12 +1412,15 @@ static int rk_gmac_clk_init(struct plat_stmmacenet_data *plat) clk_set_rate(plat->stmmac_clk, 50000000); } - if (plat->phy_node && bsp_priv->integrated_phy) { + if (plat->phy_node) { bsp_priv->clk_phy = of_clk_get(plat->phy_node, 0); ret = PTR_ERR_OR_ZERO(bsp_priv->clk_phy); - if (ret) - return dev_err_probe(dev, ret, "Cannot get PHY clock\n"); - clk_set_rate(bsp_priv->clk_phy, 50000000); + /* If it is not integrated_phy, clk_phy is optional */ + if (bsp_priv->integrated_phy) { + if (ret) + return dev_err_probe(dev, ret, "Cannot get PHY clock\n"); + clk_set_rate(bsp_priv->clk_phy, 50000000); + } } return 0; |