Commit 97c8800e authored by Teresa Remmet's avatar Teresa Remmet Committed by Shawn Guo
Browse files

arm64: dts: imx8mp-phycore-som: Reduce drive strength for fec tx lines 



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: default avatarTeresa Remmet <t.remmet@phytec.de>
Signed-off-by: default avatarShawn Guo <shawnguo@kernel.org>
parent c173a181

arch/arm64/boot/dts/freescale/imx8mp-phycore-som.dtsi

+6 −6
Original line number Diff line number Diff line
@@ -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

		>;

	};