netdev - [PATCH RFC net-next 11/15] net: stmmac: rk: convert px30

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Message-Id: <E1vQ5Fa-0000000GNwT-48iR@rmk-PC.armlinux.org.uk>
Date: Mon, 01 Dec 2025 14:51:38 +0000
From: "Russell King (Oracle)" <rmk+kernel@...linux.org.uk>
To: Andrew Lunn <andrew@...n.ch>,
	Heiner Kallweit <hkallweit1@...il.com>
Cc: Alexandre Torgue <alexandre.torgue@...s.st.com>,
	Andrew Lunn <andrew+netdev@...n.ch>,
	"David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Heiko Stuebner <heiko@...ech.de>,
	Jakub Kicinski <kuba@...nel.org>,
	linux-arm-kernel@...ts.infradead.org,
	linux-rockchip@...ts.infradead.org,
	linux-stm32@...md-mailman.stormreply.com,
	Maxime Coquelin <mcoquelin.stm32@...il.com>,
	netdev@...r.kernel.org,
	Paolo Abeni <pabeni@...hat.com>
Subject: [PATCH RFC net-next 11/15] net: stmmac: rk: convert px30

Signed-off-by: Russell King (Oracle) <rmk+kernel@...linux.org.uk>
---
 .../net/ethernet/stmicro/stmmac/dwmac-rk.c    | 38 ++-----------------
 1 file changed, 4 insertions(+), 34 deletions(-)

diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c
index c26bd22658c6..4c80a73bbf74 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c
@@ -237,49 +237,19 @@ static void rk_gmac_integrated_fephy_powerdown(struct rk_priv_data *priv,
 
 #define PX30_GRF_GMAC_CON1		0x0904
 
-/* PX30_GRF_GMAC_CON1 */
-#define PX30_GMAC_SPEED_10M		GRF_CLR_BIT(2)
-#define PX30_GMAC_SPEED_100M		GRF_BIT(2)
-
 static void px30_set_to_rmii(struct rk_priv_data *bsp_priv)
 {
 }
 
-static int px30_set_speed(struct rk_priv_data *bsp_priv,
-			  phy_interface_t interface, int speed)
-{
-	struct clk *clk_mac_speed = bsp_priv->clks[RK_CLK_MAC_SPEED].clk;
-	struct device *dev = bsp_priv->dev;
-	unsigned int con1;
-	long rate;
-
-	if (!clk_mac_speed) {
-		dev_err(dev, "%s: Missing clk_mac_speed clock\n", __func__);
-		return -EINVAL;
-	}
-
-	if (speed == 10) {
-		con1 = PX30_GMAC_SPEED_10M;
-		rate = 2500000;
-	} else if (speed == 100) {
-		con1 = PX30_GMAC_SPEED_100M;
-		rate = 25000000;
-	} else {
-		dev_err(dev, "unknown speed value for RMII! speed=%d", speed);
-		return -EINVAL;
-	}
-
-	regmap_write(bsp_priv->grf, PX30_GRF_GMAC_CON1, con1);
-
-	return clk_set_rate(clk_mac_speed, rate);
-}
-
 static const struct rk_gmac_ops px30_ops = {
 	.set_to_rmii = px30_set_to_rmii,
-	.set_speed = px30_set_speed,
+	.set_speed = rk_set_clk_mac_speed,
 
 	.phy_intf_sel_grf_reg = PX30_GRF_GMAC_CON1,
 	.phy_intf_sel_mask = GENMASK_U16(6, 4),
+
+	.speed_grf_reg = PX30_GRF_GMAC_CON1,
+	.mac_speed_mask = BIT_U16(2),
 };
 
 #define RK3128_GRF_MAC_CON0	0x0168
-- 
2.47.3