Re: [PATCH v2] arm64: dts: ti: k3-am62a7-sk: Add bootph-all property for ethernet boot

Vignesh Raghavendra <[email protected]> Tue, 4 Aug 2026 10:38:17 +0530

Newsgroups	org.kernel.vger.linux-devicetree,org.infradead.lists.linux-arm-kernel,org.kernel.vger.linux-kernel
Message-ID	<178582009758.4187098.13677911190468773934.b4-review@b4>

> Ethernet boot requires CPSW and PKTDMA nodes to be present starting
> from R5 SPL stage. Add "bootph-all" property in CPSW MAC's eFuse node
> "cpsw_mac_syscon" and "main_pktdma" to enable these nodes during SPL
> stage along with later boot stages so that CPSW port will get static
> MAC address and DMA transfers are functional during ethernet boot.
> 
> Signed-off-by: Chintan Vankar <[email protected]>
>
> diff --git a/arch/arm64/boot/dts/ti/k3-am62a7-sk.dts b/arch/arm64/boot/dts/ti/k3-am62a7-sk.dts
> index 821a9705bb7d..59cf49a14f61 100644
> --- a/arch/arm64/boot/dts/ti/k3-am62a7-sk.dts
> +++ b/arch/arm64/boot/dts/ti/k3-am62a7-sk.dts
> @@ -230,6 +230,10 @@ AM62AX_MCU_IOPAD(0x0030, PIN_OUTPUT, 0) /* (C8) WKUP_UART0_RTSn */
>  	};
>  };
>  
> +&cpsw_mac_syscon {
> +	bootph-all;
> +};
> +
>  /* WKUP UART0 is used for DM firmware logs */
>  &wkup_uart0 {
>  	pinctrl-names = "default";
> @@ -241,6 +245,10 @@ &wkup_uart0 {
>  	status = "reserved";
>  };
>  
> +&main_pktdma {
> +	bootph-all;
> +};
> +

I ended up applying v1 as bootph-all for main_pktdma is already present
in the k3-am64-main.dtsi making the above redundant.

-- 
Vignesh