diff mbox series

[2/2] board: visionfive2: configure PHY pad drive strength

Message ID 20240128192248.64407-3-tekieli.lukasz@gmail.com
State Accepted
Commit 70f150759b4dd7481664ebdcd99cfe8e5e2c2e4e
Delegated to: Andes
Headers show
Series board: visionfive2: add pad drive strength config | expand

Commit Message

Lukasz Tekieli Jan. 28, 2024, 7:22 p.m. UTC 
Configure the pad drive strength register for both PHYs.
The values correspond to what can be found in the Linux DTS
for VisionFive2 v1.3b.

Pad drive strength configuration is required for the phy0 to work correctly
with 100Mbit links.

Signed-off-by: Lukasz Tekieli <tekieli.lukasz@gmail.com>
---
 board/starfive/visionfive2/spl.c | 8 ++++++++
 1 file changed, 8 insertions(+)

Comments

Leo Liang Jan. 31, 2024, 8:46 a.m. UTC | #1 
On Sun, Jan 28, 2024 at 08:22:48PM +0100, Lukasz Tekieli wrote:
> Configure the pad drive strength register for both PHYs.
> The values correspond to what can be found in the Linux DTS
> for VisionFive2 v1.3b.
> 
> Pad drive strength configuration is required for the phy0 to work correctly
> with 100Mbit links.
> 
> Signed-off-by: Lukasz Tekieli <tekieli.lukasz@gmail.com>
> ---
>  board/starfive/visionfive2/spl.c | 8 ++++++++
>  1 file changed, 8 insertions(+)

Reviewed-by: Leo Yu-Chi Liang <ycliang@andestech.com>
diff mbox series

Patch

diff --git a/board/starfive/visionfive2/spl.c b/board/starfive/visionfive2/spl.c
index 336f0cdfc90..ba9c62f2f97 100644
--- a/board/starfive/visionfive2/spl.c
+++ b/board/starfive/visionfive2/spl.c
@@ -44,6 +44,10 @@  static const struct starfive_vf2_pro starfive_verb[] = {
 		"motorcomm,tx-clk-100-inverted", NULL},
 	{"/soc/ethernet@16030000/mdio/ethernet-phy@0",
 		"motorcomm,tx-clk-1000-inverted", NULL},
+	{"/soc/ethernet@16030000/mdio/ethernet-phy@0",
+		"motorcomm,rx-clk-drv-microamp", "3970"},
+	{"/soc/ethernet@16030000/mdio/ethernet-phy@0",
+		"motorcomm,rx-data-drv-microamp", "2910"},
 	{"/soc/ethernet@16030000/mdio/ethernet-phy@0",
 		"rx-internal-delay-ps", "1900"},
 	{"/soc/ethernet@16030000/mdio/ethernet-phy@0",
@@ -53,6 +57,10 @@  static const struct starfive_vf2_pro starfive_verb[] = {
 		"motorcomm,tx-clk-adj-enabled", NULL},
 	{ "/soc/ethernet@16040000/mdio/ethernet-phy@1",
 		"motorcomm,tx-clk-100-inverted", NULL},
+	{"/soc/ethernet@16040000/mdio/ethernet-phy@1",
+		"motorcomm,rx-clk-drv-microamp", "3970"},
+	{"/soc/ethernet@16040000/mdio/ethernet-phy@1",
+		"motorcomm,rx-data-drv-microamp", "2910"},
 	{"/soc/ethernet@16040000/mdio/ethernet-phy@1",
 		"rx-internal-delay-ps", "0"},
 	{"/soc/ethernet@16040000/mdio/ethernet-phy@1",