Thread (6 messages) 6 messages, 3 authors, 2026-02-03

Re: [PATCH net-next v3 2/2] net: stmmac: dwmac-renesas-gbeth: Add support for RZ/G3L SoC

From: "Lad, Prabhakar" <prabhakar.csengg@gmail.com>
Date: 2026-02-01 18:33:42
Also in: linux-arm-kernel, linux-renesas-soc, lkml

On Sat, Jan 31, 2026 at 4:14 PM Biju [off-list ref] wrote:
From: Biju Das <biju.das.jz@bp.renesas.com>

Compared to other Renesas GBETH stmmac glue drivers, RZ/G3L GBETH IP use
the version Synopsys DesignWare MAC (version 5.30). It has an extra clock
compared to RZ/V2H and has ptp_pps_o interrupts. Add support for RZ/G3L
GBETH by reusing device data of RZ/V2H and can be extended to add other
functionalities later.

Reviewed-by: Russell King (Oracle) <redacted>
Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
---
v2->v3:
 * Collected tag.
v1->v2:
 * No change.
---
 drivers/net/ethernet/stmicro/stmmac/dwmac-renesas-gbeth.c | 1 +
 1 file changed, 1 insertion(+)
Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>

Cheers,
Prabhakar
quoted hunk ↗ jump to hunk
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-renesas-gbeth.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-renesas-gbeth.c
index be7f5eb2cdcf..19f34e18bfef 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-renesas-gbeth.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-renesas-gbeth.c
@@ -214,6 +214,7 @@ static const struct renesas_gbeth_of_data renesas_gmac_of_data = {
 };

 static const struct of_device_id renesas_gbeth_match[] = {
+       { .compatible = "renesas,r9a08g046-gbeth", .data = &renesas_gbeth_of_data },
        { .compatible = "renesas,r9a09g077-gbeth", .data = &renesas_gmac_of_data },
        { .compatible = "renesas,rzv2h-gbeth", .data = &renesas_gbeth_of_data },
        { /* Sentinel */ }
--
2.43.0
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