Add the "ethernet-mac-syscon" node within "wkup_conf" node corresponding to the CTRLMMR_MAC_IDx registers within the CTRL_MMR space. Assign the compatible "ti,am62p-cpsw-mac-efuse" to enable "syscon_regmap" operations on these registers. The MAC Address programmed in the eFuse is accessible through the CTRLMMR_MAC_IDx registers. The "ti,syscon-efuse" device-tree property points to the CTRLMMR_MAC_IDx registers, allowing the CPSW driver to fetch the MAC Address and assign it to the network interface associated with CPSW3G MAC Port 1. Signed-off-by: Siddharth Vadapalli <s-vadapalli@xxxxxx> Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx> --- Hello, This patch is based on linux-next tagged next-20240604. v3 of this patch is at: https://lore.kernel.org/r/20240404124614.891416-1-s-vadapalli@xxxxxx/ Changes since v3: - Rebased patch on next-20240604. - Collected Acked-by tag. This patch no longer has any dependencies since the dependent patch mentioned in v3 which is: https://patchwork.kernel.org/project/linux-arm-kernel/patch/20240402105708.4114146-1-s-vadapalli@xxxxxx/ has been merged. Test Logs on AM62p: https://gist.github.com/Siddharth-Vadapalli-at-TI/d804e1b1cbd0a32bc8d563923f3211c0 Regards, Siddharth. arch/arm64/boot/dts/ti/k3-am62p-main.dtsi | 1 + arch/arm64/boot/dts/ti/k3-am62p-wakeup.dtsi | 5 +++++ 2 files changed, 6 insertions(+) diff --git a/arch/arm64/boot/dts/ti/k3-am62p-main.dtsi b/arch/arm64/boot/dts/ti/k3-am62p-main.dtsi index 900d1f9530a2..22f8f1359bc5 100644 --- a/arch/arm64/boot/dts/ti/k3-am62p-main.dtsi +++ b/arch/arm64/boot/dts/ti/k3-am62p-main.dtsi @@ -749,6 +749,7 @@ cpsw_port1: port@1 { label = "port1"; phys = <&phy_gmii_sel 1>; mac-address = [00 00 00 00 00 00]; + ti,syscon-efuse = <&cpsw_mac_syscon 0x0>; status = "disabled"; }; diff --git a/arch/arm64/boot/dts/ti/k3-am62p-wakeup.dtsi b/arch/arm64/boot/dts/ti/k3-am62p-wakeup.dtsi index c71d9624ea27..71784e10b4f1 100644 --- a/arch/arm64/boot/dts/ti/k3-am62p-wakeup.dtsi +++ b/arch/arm64/boot/dts/ti/k3-am62p-wakeup.dtsi @@ -19,6 +19,11 @@ chipid: chipid@14 { bootph-all; }; + cpsw_mac_syscon: ethernet-mac-syscon@200 { + compatible = "ti,am62p-cpsw-mac-efuse", "syscon"; + reg = <0x200 0x8>; + }; + usb0_phy_ctrl: syscon@4008 { compatible = "ti,am62-usb-phy-ctrl", "syscon"; reg = <0x4008 0x4>; -- 2.40.1
