From d7d92037cbd82ac6581ef9c97f14d2432f921fba Mon Sep 17 00:00:00 2001 From: "Russell King (Oracle)" Date: Wed, 4 Feb 2026 09:14:33 +0000 Subject: [PATCH] net: stmmac: rk: rk3528: gmac0 only supports RMII RK3528 gmac0 dtsi contains: gmac0: ethernet@ffbd0000 { phy-handle = <&rmii0_phy>; phy-mode = "rmii"; mdio0: mdio { rmii0_phy: ethernet-phy@2 { phy-is-integrated; }; }; }; This follows the same pattern as rk3328, where this gmac instance only supports RMII. Disable RGMII in phylink's supported_interfaces mask for this gmac instance. Signed-off-by: Russell King (Oracle) Reviewed-by: Maxime Chevallier Reviewed-by: Heiko Stuebner Link: https://patch.msgid.link/E1vnYy1-00000007hp3-0hKm@rmk-PC.armlinux.org.uk Signed-off-by: Jakub Kicinski --- drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c index 8dd2122fd9b1..4099cbc5d0de 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c @@ -728,6 +728,7 @@ static int rk3528_init(struct rk_priv_data *bsp_priv) case 0: bsp_priv->clock_grf_reg = RK3528_VO_GRF_GMAC_CON; bsp_priv->clock.rmii_clk_sel_mask = BIT_U16(3); + bsp_priv->supports_rgmii = false; return 0; case 1: -- 2.47.3