From: "Russell King (Oracle)" <rmk+kernel@armlinux.org.uk>
To: Andrew Lunn <andrew@lunn.ch>
Cc: Alexandre Torgue <alexandre.torgue@foss.st.com>,
Andrew Lunn <andrew+netdev@lunn.ch>,
"David S. Miller" <davem@davemloft.net>,
Eric Dumazet <edumazet@google.com>,
Heiko Stuebner <heiko@sntech.de>,
Jakub Kicinski <kuba@kernel.org>,
linux-arm-kernel@lists.infradead.org,
linux-rockchip@lists.infradead.org,
linux-stm32@st-md-mailman.stormreply.com, netdev@vger.kernel.org,
Paolo Abeni <pabeni@redhat.com>
Subject: [PATCH net-next 12/21] net: stmmac: rk: use rk_encode_wm16() for RMII speed
Date: Fri, 23 Jan 2026 11:01:19 +0000 [thread overview]
Message-ID: <E1vjEul-00000005ggi-0CAA@rmk-PC.armlinux.org.uk> (raw)
In-Reply-To: <aXNUlVZilT-CTgph@shell.armlinux.org.uk>
The RMII speed configuration is encoded as a single bit, which is set
for 100M and clean for 10M. Provide the bitfield definition in
struct rk_clock_fields, moving it out of struct rk_reg_speed_data's
rmii_10 and rmii_100 initialisers. Update rk_set_reg_speed() to handle
the new definition location of this bit.
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
---
.../net/ethernet/stmicro/stmmac/dwmac-rk.c | 69 +++++++++----------
1 file changed, 31 insertions(+), 38 deletions(-)
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c
index 0f94304e721a..48852054390d 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c
@@ -28,6 +28,7 @@ struct rk_priv_data;
struct rk_clock_fields {
u16 gmii_clk_sel_mask;
+ u16 mac_speed_mask;
};
struct rk_reg_speed_data {
@@ -171,10 +172,12 @@ static int rk_set_reg_speed(struct rk_priv_data *bsp_priv,
val = rk_encode_wm16(ret, bsp_priv->clock.gmii_clk_sel_mask);
} else if (interface == PHY_INTERFACE_MODE_RMII) {
+ val = rk_encode_wm16(speed == SPEED_100,
+ bsp_priv->clock.mac_speed_mask);
if (speed == SPEED_10) {
- val = rsd->rmii_10;
+ val |= rsd->rmii_10;
} else if (speed == SPEED_100) {
- val = rsd->rmii_100;
+ val |= rsd->rmii_100;
} else {
/* Phylink will not allow inappropriate speeds for
* interface modes, so this should never happen.
@@ -351,8 +354,6 @@ static const struct rk_gmac_ops px30_ops = {
/* RK3128_GRF_MAC_CON1 */
#define RK3128_GMAC_FLOW_CTRL GRF_BIT(9)
#define RK3128_GMAC_FLOW_CTRL_CLR GRF_CLR_BIT(9)
-#define RK3128_GMAC_SPEED_10M GRF_CLR_BIT(10)
-#define RK3128_GMAC_SPEED_100M GRF_BIT(10)
#define RK3128_GMAC_RMII_CLK_25M GRF_BIT(11)
#define RK3128_GMAC_RMII_CLK_2_5M GRF_CLR_BIT(11)
@@ -370,8 +371,8 @@ static void rk3128_set_to_rmii(struct rk_priv_data *bsp_priv)
}
static const struct rk_reg_speed_data rk3128_reg_speed_data = {
- .rmii_10 = RK3128_GMAC_RMII_CLK_2_5M | RK3128_GMAC_SPEED_10M,
- .rmii_100 = RK3128_GMAC_RMII_CLK_25M | RK3128_GMAC_SPEED_100M,
+ .rmii_10 = RK3128_GMAC_RMII_CLK_2_5M,
+ .rmii_100 = RK3128_GMAC_RMII_CLK_25M,
};
static int rk3128_set_speed(struct rk_priv_data *bsp_priv,
@@ -392,6 +393,7 @@ static const struct rk_gmac_ops rk3128_ops = {
.clock_grf_reg = RK3128_GRF_MAC_CON1,
.clock.gmii_clk_sel_mask = GENMASK_U16(13, 12),
+ .clock.mac_speed_mask = BIT_U16(10),
};
#define RK3228_GRF_MAC_CON0 0x0900
@@ -406,8 +408,6 @@ static const struct rk_gmac_ops rk3128_ops = {
/* RK3228_GRF_MAC_CON1 */
#define RK3228_GMAC_FLOW_CTRL GRF_BIT(3)
#define RK3228_GMAC_FLOW_CTRL_CLR GRF_CLR_BIT(3)
-#define RK3228_GMAC_SPEED_10M GRF_CLR_BIT(2)
-#define RK3228_GMAC_SPEED_100M GRF_BIT(2)
#define RK3228_GMAC_RMII_CLK_25M GRF_BIT(7)
#define RK3228_GMAC_RMII_CLK_2_5M GRF_CLR_BIT(7)
#define RK3228_GMAC_TXCLK_DLY_ENABLE GRF_BIT(0)
@@ -436,8 +436,8 @@ static void rk3228_set_to_rmii(struct rk_priv_data *bsp_priv)
}
static const struct rk_reg_speed_data rk3228_reg_speed_data = {
- .rmii_10 = RK3228_GMAC_RMII_CLK_2_5M | RK3228_GMAC_SPEED_10M,
- .rmii_100 = RK3228_GMAC_RMII_CLK_25M | RK3228_GMAC_SPEED_100M,
+ .rmii_10 = RK3228_GMAC_RMII_CLK_2_5M,
+ .rmii_100 = RK3228_GMAC_RMII_CLK_25M,
};
static int rk3228_set_speed(struct rk_priv_data *bsp_priv,
@@ -468,6 +468,7 @@ static const struct rk_gmac_ops rk3228_ops = {
.clock_grf_reg = RK3228_GRF_MAC_CON1,
.clock.gmii_clk_sel_mask = GENMASK_U16(9, 8),
+ .clock.mac_speed_mask = BIT_U16(2),
};
#define RK3288_GRF_SOC_CON1 0x0248
@@ -476,8 +477,6 @@ static const struct rk_gmac_ops rk3228_ops = {
/*RK3288_GRF_SOC_CON1*/
#define RK3288_GMAC_FLOW_CTRL GRF_BIT(9)
#define RK3288_GMAC_FLOW_CTRL_CLR GRF_CLR_BIT(9)
-#define RK3288_GMAC_SPEED_10M GRF_CLR_BIT(10)
-#define RK3288_GMAC_SPEED_100M GRF_BIT(10)
#define RK3288_GMAC_RMII_CLK_25M GRF_BIT(11)
#define RK3288_GMAC_RMII_CLK_2_5M GRF_CLR_BIT(11)
@@ -503,8 +502,8 @@ static void rk3288_set_to_rmii(struct rk_priv_data *bsp_priv)
}
static const struct rk_reg_speed_data rk3288_reg_speed_data = {
- .rmii_10 = RK3288_GMAC_RMII_CLK_2_5M | RK3288_GMAC_SPEED_10M,
- .rmii_100 = RK3288_GMAC_RMII_CLK_25M | RK3288_GMAC_SPEED_100M,
+ .rmii_10 = RK3288_GMAC_RMII_CLK_2_5M,
+ .rmii_100 = RK3288_GMAC_RMII_CLK_25M,
};
static int rk3288_set_speed(struct rk_priv_data *bsp_priv,
@@ -525,6 +524,7 @@ static const struct rk_gmac_ops rk3288_ops = {
.clock_grf_reg = RK3288_GRF_SOC_CON1,
.clock.gmii_clk_sel_mask = GENMASK_U16(13, 12),
+ .clock.mac_speed_mask = BIT_U16(10),
};
#define RK3308_GRF_MAC_CON0 0x04a0
@@ -532,16 +532,12 @@ static const struct rk_gmac_ops rk3288_ops = {
/* RK3308_GRF_MAC_CON0 */
#define RK3308_GMAC_FLOW_CTRL GRF_BIT(3)
#define RK3308_GMAC_FLOW_CTRL_CLR GRF_CLR_BIT(3)
-#define RK3308_GMAC_SPEED_10M GRF_CLR_BIT(0)
-#define RK3308_GMAC_SPEED_100M GRF_BIT(0)
static void rk3308_set_to_rmii(struct rk_priv_data *bsp_priv)
{
}
static const struct rk_reg_speed_data rk3308_reg_speed_data = {
- .rmii_10 = RK3308_GMAC_SPEED_10M,
- .rmii_100 = RK3308_GMAC_SPEED_100M,
};
static int rk3308_set_speed(struct rk_priv_data *bsp_priv,
@@ -559,6 +555,7 @@ static const struct rk_gmac_ops rk3308_ops = {
.gmac_phy_intf_sel_mask = GENMASK_U16(4, 2),
.clock_grf_reg = RK3308_GRF_MAC_CON0,
+ .clock.mac_speed_mask = BIT_U16(0),
};
#define RK3328_GRF_MAC_CON0 0x0900
@@ -573,8 +570,6 @@ static const struct rk_gmac_ops rk3308_ops = {
/* RK3328_GRF_MAC_CON1 */
#define RK3328_GMAC_FLOW_CTRL GRF_BIT(3)
#define RK3328_GMAC_FLOW_CTRL_CLR GRF_CLR_BIT(3)
-#define RK3328_GMAC_SPEED_10M GRF_CLR_BIT(2)
-#define RK3328_GMAC_SPEED_100M GRF_BIT(2)
#define RK3328_GMAC_RMII_CLK_25M GRF_BIT(7)
#define RK3328_GMAC_RMII_CLK_2_5M GRF_CLR_BIT(7)
#define RK3328_GMAC_TXCLK_DLY_ENABLE GRF_BIT(0)
@@ -619,8 +614,8 @@ static void rk3328_set_to_rmii(struct rk_priv_data *bsp_priv)
}
static const struct rk_reg_speed_data rk3328_reg_speed_data = {
- .rmii_10 = RK3328_GMAC_RMII_CLK_2_5M | RK3328_GMAC_SPEED_10M,
- .rmii_100 = RK3328_GMAC_RMII_CLK_25M | RK3328_GMAC_SPEED_100M,
+ .rmii_10 = RK3328_GMAC_RMII_CLK_2_5M,
+ .rmii_100 = RK3328_GMAC_RMII_CLK_25M,
};
static int rk3328_set_speed(struct rk_priv_data *bsp_priv,
@@ -649,6 +644,8 @@ static const struct rk_gmac_ops rk3328_ops = {
.gmac_phy_intf_sel_mask = GENMASK_U16(6, 4),
.gmac_rmii_mode_mask = BIT_U16(9),
+ .clock.mac_speed_mask = BIT_U16(2),
+
.regs_valid = true,
.regs = {
0xff540000, /* gmac2io */
@@ -663,8 +660,6 @@ static const struct rk_gmac_ops rk3328_ops = {
/* RK3366_GRF_SOC_CON6 */
#define RK3366_GMAC_FLOW_CTRL GRF_BIT(8)
#define RK3366_GMAC_FLOW_CTRL_CLR GRF_CLR_BIT(8)
-#define RK3366_GMAC_SPEED_10M GRF_CLR_BIT(7)
-#define RK3366_GMAC_SPEED_100M GRF_BIT(7)
#define RK3366_GMAC_RMII_CLK_25M GRF_BIT(3)
#define RK3366_GMAC_RMII_CLK_2_5M GRF_CLR_BIT(3)
@@ -690,8 +685,8 @@ static void rk3366_set_to_rmii(struct rk_priv_data *bsp_priv)
}
static const struct rk_reg_speed_data rk3366_reg_speed_data = {
- .rmii_10 = RK3366_GMAC_RMII_CLK_2_5M | RK3366_GMAC_SPEED_10M,
- .rmii_100 = RK3366_GMAC_RMII_CLK_25M | RK3366_GMAC_SPEED_100M,
+ .rmii_10 = RK3366_GMAC_RMII_CLK_2_5M,
+ .rmii_100 = RK3366_GMAC_RMII_CLK_25M,
};
static int rk3366_set_speed(struct rk_priv_data *bsp_priv,
@@ -712,6 +707,7 @@ static const struct rk_gmac_ops rk3366_ops = {
.clock_grf_reg = RK3366_GRF_SOC_CON6,
.clock.gmii_clk_sel_mask = GENMASK_U16(5, 4),
+ .clock.mac_speed_mask = BIT_U16(7),
};
#define RK3368_GRF_SOC_CON15 0x043c
@@ -720,8 +716,6 @@ static const struct rk_gmac_ops rk3366_ops = {
/* RK3368_GRF_SOC_CON15 */
#define RK3368_GMAC_FLOW_CTRL GRF_BIT(8)
#define RK3368_GMAC_FLOW_CTRL_CLR GRF_CLR_BIT(8)
-#define RK3368_GMAC_SPEED_10M GRF_CLR_BIT(7)
-#define RK3368_GMAC_SPEED_100M GRF_BIT(7)
#define RK3368_GMAC_RMII_CLK_25M GRF_BIT(3)
#define RK3368_GMAC_RMII_CLK_2_5M GRF_CLR_BIT(3)
@@ -747,8 +741,8 @@ static void rk3368_set_to_rmii(struct rk_priv_data *bsp_priv)
}
static const struct rk_reg_speed_data rk3368_reg_speed_data = {
- .rmii_10 = RK3368_GMAC_RMII_CLK_2_5M | RK3368_GMAC_SPEED_10M,
- .rmii_100 = RK3368_GMAC_RMII_CLK_25M | RK3368_GMAC_SPEED_100M,
+ .rmii_10 = RK3368_GMAC_RMII_CLK_2_5M,
+ .rmii_100 = RK3368_GMAC_RMII_CLK_25M,
};
static int rk3368_set_speed(struct rk_priv_data *bsp_priv,
@@ -769,6 +763,7 @@ static const struct rk_gmac_ops rk3368_ops = {
.clock_grf_reg = RK3368_GRF_SOC_CON15,
.clock.gmii_clk_sel_mask = GENMASK_U16(5, 4),
+ .clock.mac_speed_mask = BIT_U16(7),
};
#define RK3399_GRF_SOC_CON5 0xc214
@@ -777,8 +772,6 @@ static const struct rk_gmac_ops rk3368_ops = {
/* RK3399_GRF_SOC_CON5 */
#define RK3399_GMAC_FLOW_CTRL GRF_BIT(8)
#define RK3399_GMAC_FLOW_CTRL_CLR GRF_CLR_BIT(8)
-#define RK3399_GMAC_SPEED_10M GRF_CLR_BIT(7)
-#define RK3399_GMAC_SPEED_100M GRF_BIT(7)
#define RK3399_GMAC_RMII_CLK_25M GRF_BIT(3)
#define RK3399_GMAC_RMII_CLK_2_5M GRF_CLR_BIT(3)
@@ -804,8 +797,8 @@ static void rk3399_set_to_rmii(struct rk_priv_data *bsp_priv)
}
static const struct rk_reg_speed_data rk3399_reg_speed_data = {
- .rmii_10 = RK3399_GMAC_RMII_CLK_2_5M | RK3399_GMAC_SPEED_10M,
- .rmii_100 = RK3399_GMAC_RMII_CLK_25M | RK3399_GMAC_SPEED_100M,
+ .rmii_10 = RK3399_GMAC_RMII_CLK_2_5M,
+ .rmii_100 = RK3399_GMAC_RMII_CLK_25M,
};
static int rk3399_set_speed(struct rk_priv_data *bsp_priv,
@@ -826,6 +819,7 @@ static const struct rk_gmac_ops rk3399_ops = {
.clock_grf_reg = RK3399_GRF_SOC_CON5,
.clock.gmii_clk_sel_mask = GENMASK_U16(5, 4),
+ .clock.mac_speed_mask = BIT_U16(7),
};
#define RK3506_GRF_SOC_CON8 0x0020
@@ -1370,8 +1364,6 @@ static const struct rk_gmac_ops rk3588_ops = {
/* RV1108_GRF_GMAC_CON0 */
#define RV1108_GMAC_FLOW_CTRL GRF_BIT(3)
#define RV1108_GMAC_FLOW_CTRL_CLR GRF_CLR_BIT(3)
-#define RV1108_GMAC_SPEED_10M GRF_CLR_BIT(2)
-#define RV1108_GMAC_SPEED_100M GRF_BIT(2)
#define RV1108_GMAC_RMII_CLK_25M GRF_BIT(7)
#define RV1108_GMAC_RMII_CLK_2_5M GRF_CLR_BIT(7)
@@ -1380,8 +1372,8 @@ static void rv1108_set_to_rmii(struct rk_priv_data *bsp_priv)
}
static const struct rk_reg_speed_data rv1108_reg_speed_data = {
- .rmii_10 = RV1108_GMAC_RMII_CLK_2_5M | RV1108_GMAC_SPEED_10M,
- .rmii_100 = RV1108_GMAC_RMII_CLK_25M | RV1108_GMAC_SPEED_100M,
+ .rmii_10 = RV1108_GMAC_RMII_CLK_2_5M,
+ .rmii_100 = RV1108_GMAC_RMII_CLK_25M,
};
static int rv1108_set_speed(struct rk_priv_data *bsp_priv,
@@ -1399,6 +1391,7 @@ static const struct rk_gmac_ops rv1108_ops = {
.gmac_phy_intf_sel_mask = GENMASK_U16(6, 4),
.clock_grf_reg = RV1108_GRF_GMAC_CON0,
+ .clock.mac_speed_mask = BIT_U16(2),
};
#define RV1126_GRF_GMAC_CON0 0X0070
--
2.47.3
next prev parent reply other threads:[~2026-01-23 11:01 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-01-23 10:59 [PATCH net-next 00/21] net: stmmac: rk: simplify per-SoC configuration Russell King (Oracle)
2026-01-23 11:00 ` [PATCH net-next 01/21] net: stmmac: rk: avoid phy_power_on() Russell King (Oracle)
2026-01-23 11:00 ` [PATCH net-next 02/21] net: stmmac: rk: get rid of rk_phy_power_ctl() Russell King (Oracle)
2026-01-23 11:00 ` [PATCH net-next 03/21] net: stmmac: rk: convert rk3328 to use bsp_priv->id Russell King (Oracle)
2026-01-25 22:16 ` [net-next,03/21] " Jakub Kicinski
2026-01-23 11:00 ` [PATCH net-next 04/21] net: stmmac: rk: group MACPHY register offset and fields together Russell King (Oracle)
2026-01-23 11:00 ` [PATCH net-next 05/21] net: stmmac: rk: add GMAC_CLK_xx constants, simplify RGMII definitions Russell King (Oracle)
2026-01-23 11:00 ` [PATCH net-next 06/21] net: stmmac: rk: add SoC specific ->init() method Russell King (Oracle)
2026-01-23 11:00 ` [PATCH net-next 07/21] net: stmmac: rk: convert to mask-based interface mode configuration Russell King (Oracle)
2026-01-25 22:16 ` [net-next,07/21] " Jakub Kicinski
2026-01-23 11:00 ` [PATCH net-next 08/21] net: stmmac: rk: move speed GRF register offset to private data Russell King (Oracle)
2026-01-23 11:01 ` [PATCH net-next 09/21] net: stmmac: rk: convert rk3588 to rk_set_reg_speed() Russell King (Oracle)
2026-01-23 11:01 ` [PATCH net-next 10/21] net: stmmac: rk: remove rk3528 RMII clock initialisation Russell King (Oracle)
2026-01-23 11:01 ` [PATCH net-next 11/21] net: stmmac: rk: use rk_encode_wm16() for RGMII clocks Russell King (Oracle)
2026-01-23 11:01 ` Russell King (Oracle) [this message]
2026-01-23 11:01 ` [PATCH net-next 13/21] net: stmmac: rk: use rk_encode_wm16() for RMII clock Russell King (Oracle)
2026-01-23 11:01 ` [PATCH net-next 14/21] net: stmmac: rk: remove need for ->set_speed() method Russell King (Oracle)
2026-01-23 11:01 ` [PATCH net-next 15/21] net: stmmac: rk: convert px30 Russell King (Oracle)
2026-01-23 11:01 ` [PATCH net-next 16/21] net: stmmac: rk: introduce flags indicating support for RGMII/RMII Russell King (Oracle)
2026-01-23 11:01 ` [PATCH net-next 17/21] net: stmmac: rk: replace empty set_to_rmii() with supports_rmii Russell King (Oracle)
2026-01-25 22:16 ` [net-next,17/21] " Jakub Kicinski
2026-01-23 11:01 ` [PATCH net-next 18/21] net: stmmac: rk: rk3328: gmac2phy only supports RMII Russell King (Oracle)
2026-01-25 22:16 ` [net-next,18/21] " Jakub Kicinski
2026-01-25 22:27 ` Russell King (Oracle)
2026-01-25 23:04 ` Jakub Kicinski
2026-01-23 11:01 ` [PATCH net-next 19/21] net: stmmac: rk: rk3528: gmac0 " Russell King (Oracle)
2026-01-25 22:16 ` [net-next,19/21] " Jakub Kicinski
2026-01-23 11:02 ` [PATCH net-next 20/21] net: stmmac: rk: use rk_encode_wm16() for clock selection Russell King (Oracle)
2026-01-25 22:16 ` [net-next,20/21] " Jakub Kicinski
2026-01-23 11:02 ` [PATCH net-next 21/21] net: stmmac: rk: rk3506, rk3528 and kk3588 have rmii_mode in clock register Russell King (Oracle)
2026-01-25 22:16 ` [net-next,21/21] " Jakub Kicinski
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