[PATCH v3 3/4] arm64: dts: fsd: Add Ethernet support for FSYS0 Block of FSD SoC

Andrew Lunn andrew at lunn.ch
Mon Aug 14 13:51:43 PDT 2023


> diff --git a/arch/arm64/boot/dts/tesla/fsd.dtsi b/arch/arm64/boot/dts/tesla/fsd.dtsi
> index 1c53c68efd53..9a991f021711 100644
> --- a/arch/arm64/boot/dts/tesla/fsd.dtsi
> +++ b/arch/arm64/boot/dts/tesla/fsd.dtsi
> @@ -32,6 +32,7 @@
>  		spi0 = &spi_0;
>  		spi1 = &spi_1;
>  		spi2 = &spi_2;
> +		eth0 = &ethernet_0;
>  	};
>  
>  	cpus {
> @@ -984,6 +985,27 @@
>  			clocks = <&clock_fsys0 UFS0_MPHY_REFCLK_IXTAL26>;
>  			clock-names = "ref_clk";
>  		};
> +
> +		ethernet_0: ethernet at 15300000 {
> +			compatible = "tesla,dwc-qos-ethernet-4.21";
> +			reg = <0x0 0x15300000 0x0 0x10000>;
> +			interrupts = <GIC_SPI 102 IRQ_TYPE_LEVEL_HIGH>;
> +			clocks = <&clock_fsys0 FSYS0_EQOS_TOP0_IPCLKPORT_CLK_PTP_REF_I>,
> +				 <&clock_fsys0 FSYS0_EQOS_TOP0_IPCLKPORT_ACLK_I>,
> +				 <&clock_fsys0 FSYS0_EQOS_TOP0_IPCLKPORT_HCLK_I>,
> +				 <&clock_fsys0 FSYS0_EQOS_TOP0_IPCLKPORT_RGMII_CLK_I>,
> +				 <&clock_fsys0 FSYS0_EQOS_TOP0_IPCLKPORT_CLK_RX_I>;
> +			clock-names = "ptp_ref", "master_bus", "slave_bus", "tx", "rx";
> +			pinctrl-names = "default";
> +			pinctrl-0 = <&eth0_tx_clk>, <&eth0_tx_data>, <&eth0_tx_ctrl>,
> +				    <&eth0_phy_intr>, <&eth0_rx_clk>, <&eth0_rx_data>,
> +				    <&eth0_rx_ctrl>, <&eth0_mdio>;
> +			local-mac-address = [00 00 00 00 00 00];
> +			fsd-rx-clock-skew = <&sysreg_fsys0 0x0>;
> +			iommus = <&smmu_fsys0 0x0 0x1>;
> +			phy-mode = "rgmii";

What is inserting the RGMII delays?

      Andrew



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