Re: [PATCH v3 0/2] rockchip: Enable Ethernet controller on Radxa E20C

[Yao Zi <ziyao@disroot.org>]

On Fri, May 09, 2025 at 08:23:56PM +0000, Jonas Karlman wrote:
> The Rockchip RK3528 has two Ethernet controllers, one 100/10 MAC to be
> used with the integrated PHY and a second 1000/100/10 MAC to be used
> with an external Ethernet PHY.
> 
> This series add device tree nodes for the Ethernet controllers found in
> RK3528 and enable the LAN interface on Radxa E20C.
> 
> This include a gmac0 node for the 100/10 MAC and its related integrated
> PHY node that only have recived limited testing. I have no board that
> expose an Ethernet port for the gmac0 and the integrated PHY. However,
> the PHY can be identified on addr 0x2 as 0044.1400 and in vendor kernel
> this relate to the Rockchip RK630 PHY. A proper PHY driver will be
> needed to support any real use of gmac0.
> 
> Changes in v3:
> - Rebase on top of latest mmind/for-next
> 
> Changes in v2:
> - Split from the "Add GMAC support for RK3528" driver series [1]
> - Add ethernet-phy@2 for the integrated PHY
> - Rebase on top of the "Support I2C controllers in RK3528" series [2]
> 
> [1] https://lore.kernel.org/r/20250309232622.1498084-1-jonas@kwiboo.se
> [2] https://lore.kernel.org/r/20250309070603.35254-1-ziyao@disroot.org
> 
> Jonas Karlman (2):
>   arm64: dts: rockchip: Add GMAC nodes for RK3528
>   arm64: dts: rockchip: Enable Ethernet controller on Radxa E20C
> 
>  .../boot/dts/rockchip/rk3528-radxa-e20c.dts   |  30 +++++
>  arch/arm64/boot/dts/rockchip/rk3528.dtsi      | 105 ++++++++++++++++++
>  2 files changed, 135 insertions(+)

On my Radxa E20C board, iperf3 shows the interface could run at roughly
1Gbps with this series,

# iperf3 -c 192.168.114.51
Connecting to host 192.168.114.51, port 5201
[  5] local 192.168.114.50 port 41894 connected to 192.168.114.51 port 5201
[ ID] Interval           Transfer     Bitrate         Retr  Cwnd
[  5]   0.00-1.00   sec   113 MBytes   948 Mbits/sec    0    380 KByes
[  5]   1.00-2.00   sec   112 MBytes   944 Mbits/sec    0    399 KBytes
[  5]   2.00-3.00   sec   112 MBytes   940 Mbits/sec    0    399 KBytes
[  5]   3.00-4.00   sec   112 MBytes   942 Mbits/sec    0    399 KBytes
[  5]   4.00-5.00   sec   112 MBytes   944 Mbits/sec    0    399 KBytes
[  5]   5.00-6.00   sec   112 MBytes   940 Mbits/sec    0    399 KBytes
[  5]   6.00-7.00   sec   112 MBytes   940 Mbits/sec    0    399 KBytes
[  5]   7.00-8.00   sec   112 MBytes   944 Mbits/sec    0    399 KBytes
[  5]   8.00-9.00   sec   112 MBytes   941 Mbits/sec    0    399 KBytes
[  5]   9.00-10.00  sec   112 MBytes   941 Mbits/sec    0    399 KBytes
- - - - - - - - - - - - - - - - - - - - - - - - -
[ ID] Interval           Transfer     Bitrate         Retr
[  5]   0.00-10.00  sec  1.10 GBytes   942 Mbits/sec    0            sender
[  5]   0.00-10.00  sec  1.10 GBytes   941 Mbits/sec                  receiver

iperf Done.

Tested-by: Yao Zi <ziyao@disroot.org>

Thanks for your work!

> -- 
> 2.49.0
>