[PATCH v3 3/5] arm: dts: add DMA and CPSW nodes for uboot

[Nishanth Menon]

On 13:01-20230414, Bryan Brattlof wrote:
> Update the uboot dtsi to enable DMA and CPSW at the uboot level
> 
> Signed-off-by: Bryan Brattlof <bb at ti.com>
> ---
>  arch/arm/dts/k3-am62a7-r5-sk.dts      |  8 ++++++++
>  arch/arm/dts/k3-am62a7-sk-u-boot.dtsi | 26 +++++++++++++++++++++++++-
>  2 files changed, 33 insertions(+), 1 deletion(-)
> 
> diff --git a/arch/arm/dts/k3-am62a7-r5-sk.dts b/arch/arm/dts/k3-am62a7-r5-sk.dts
> index c953a82c7a5e9..b4c2fd7f50038 100644
> --- a/arch/arm/dts/k3-am62a7-r5-sk.dts
> +++ b/arch/arm/dts/k3-am62a7-r5-sk.dts
> @@ -143,3 +143,11 @@
>  	status = "okay";
>  	bootph-pre-ram;
>  };
> +
> +&main_pktdma {
> +	ti,sci = <&dm_tifs>;
> +};
> +
> +&main_bcdma {
> +	ti,sci = <&dm_tifs>;
> +};
> diff --git a/arch/arm/dts/k3-am62a7-sk-u-boot.dtsi b/arch/arm/dts/k3-am62a7-sk-u-boot.dtsi
> index cf938c43b832e..fd3f7e63d5da6 100644
> --- a/arch/arm/dts/k3-am62a7-sk-u-boot.dtsi
> +++ b/arch/arm/dts/k3-am62a7-sk-u-boot.dtsi
> @@ -15,7 +15,7 @@
>  	};
>  };
>  
> -&cbass_main{
> +&cbass_main {
>  	bootph-pre-ram;
>  
>  	timer1: timer at 2400000 {
> @@ -138,3 +138,27 @@
>  &vdd_mmc1 {
>  	bootph-pre-ram;
>  };
> +
> +&main_bcdma {
> +	bootph-pre-ram;
> +};
> +
> +&main_pktdma {
> +	bootph-pre-ram;
> +};
> +
> +&cpsw3g {
> +	reg = <0x00 0x08000000 0x00 0x200000>,
> +	      <0x00 0x43000200 0x00 0x8>;
> +	reg-names = "cpsw_nuss", "mac_efuse";

mac_efuse needs to go to upstream kernel.

> +	/delete-property/ ranges;
> +	pinctrl-0 = <&main_mdio1_pins_default
> +		     &main_rgmii1_pins_default>;

Why not do this hack in board.dts and mark it due to MDIO limitation?

> +	bootph-pre-ram;
> +
> +	cpsw-phy-sel at 04044 {
> +		compatible = "ti,am64-phy-gmii-sel";
> +		reg = <0x00 0x00104044 0x00 0x8>;
> +		bootph-pre-ram;
> +	};
> +};
> -- 
> 2.40.0
> 

-- 
Regards,
Nishanth Menon
Key (0xDDB5849D1736249D) / Fingerprint: F8A2 8693 54EB 8232 17A3  1A34 DDB5 849D 1736 249D