diff mbox series

[3/7] arm64: dts: imx8mp-phycore-som: Reduce drive strength for fec tx lines

Message ID 20220215091224.7910-4-t.remmet@phytec.de (mailing list archive)
State New, archived
Headers show
Series arm64: dts: phyCORE-i.MX8MP SoM updates | expand

Commit Message

Teresa Remmet Feb. 15, 2022, 9:12 a.m. UTC 
Reduce drive strength on fec tx lines for signal quality improvements.
Measurements showed that TD0 and TD1 require X4 and the other lines
X2 for optimized settings.

Signed-off-by: Teresa Remmet <t.remmet@phytec.de>
---
 .../arm64/boot/dts/freescale/imx8mp-phycore-som.dtsi | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)
diff mbox series

Patch

diff --git a/arch/arm64/boot/dts/freescale/imx8mp-phycore-som.dtsi b/arch/arm64/boot/dts/freescale/imx8mp-phycore-som.dtsi
index 927290990d02..06e94f6e1702 100644
--- a/arch/arm64/boot/dts/freescale/imx8mp-phycore-som.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mp-phycore-som.dtsi
@@ -222,12 +222,12 @@  MX8MP_IOMUXC_SAI1_RXD6__ENET1_RGMII_RD2		0x91
 			MX8MP_IOMUXC_SAI1_RXD7__ENET1_RGMII_RD3		0x91
 			MX8MP_IOMUXC_SAI1_TXC__ENET1_RGMII_RXC		0x91
 			MX8MP_IOMUXC_SAI1_TXFS__ENET1_RGMII_RX_CTL	0x91
-			MX8MP_IOMUXC_SAI1_TXD0__ENET1_RGMII_TD0		0x1f
-			MX8MP_IOMUXC_SAI1_TXD1__ENET1_RGMII_TD1		0x1f
-			MX8MP_IOMUXC_SAI1_TXD2__ENET1_RGMII_TD2		0x1f
-			MX8MP_IOMUXC_SAI1_TXD3__ENET1_RGMII_TD3		0x1f
-			MX8MP_IOMUXC_SAI1_TXD4__ENET1_RGMII_TX_CTL	0x1f
-			MX8MP_IOMUXC_SAI1_TXD5__ENET1_RGMII_TXC		0x1f
+			MX8MP_IOMUXC_SAI1_TXD0__ENET1_RGMII_TD0		0x12
+			MX8MP_IOMUXC_SAI1_TXD1__ENET1_RGMII_TD1		0x12
+			MX8MP_IOMUXC_SAI1_TXD2__ENET1_RGMII_TD2		0x14
+			MX8MP_IOMUXC_SAI1_TXD3__ENET1_RGMII_TD3		0x14
+			MX8MP_IOMUXC_SAI1_TXD4__ENET1_RGMII_TX_CTL	0x14
+			MX8MP_IOMUXC_SAI1_TXD5__ENET1_RGMII_TXC		0x14
 			MX8MP_IOMUXC_GPIO1_IO15__GPIO1_IO15		0x11
 		>;
 	};