[PATCH v2 3/3] fixup! arm: dts: k3-am62: Bump dtsi from linux v6.5-rc1
Roger Quadros
rogerq at kernel.org
Sat Jul 22 10:32:37 CEST 2023
On 21/07/2023 16:07, Maxime Ripard wrote:
> Dropping ranges entirely doesn't work since the register offset on the
> MDIO device node will now be completely off, so we need to adjust it to
> the right value without the translation.
>
> We also need to have an empty ranges property for the reg address to be
> properly evaluated.
>
> Signed-off-by: Maxime Ripard <mripard at kernel.org>
> ---
> arch/arm/dts/k3-am625-sk-u-boot.dtsi | 6 +++++-
> 1 file changed, 5 insertions(+), 1 deletion(-)
>
> diff --git a/arch/arm/dts/k3-am625-sk-u-boot.dtsi b/arch/arm/dts/k3-am625-sk-u-boot.dtsi
> index db814ed02a7e..77c9e4cb87f7 100644
> --- a/arch/arm/dts/k3-am625-sk-u-boot.dtsi
> +++ b/arch/arm/dts/k3-am625-sk-u-boot.dtsi
> @@ -119,8 +119,8 @@
> };
>
> &cpsw3g {
> - /delete-property/ ranges;
cpsw-phy-sel will be broken in u-boot after you remove /delete-property/ ranges.
To fix this up we need to teach the am65-cpsw driver to fetch
the cpsw-phy-sel address from the phys property instead and drop
the cpsw-phy-sel child.
> bootph-pre-ram;
> + ranges;
You don't have to add ranges here. am62-main.dtsi should have it in
the cpsw3g node.
>
> cpsw-phy-sel at 04044 {
> compatible = "ti,am64-phy-gmii-sel";
> @@ -129,6 +129,10 @@
> };
> };
>
> +&cpsw3g_mdio {
> + reg = <0x0 0x8000f00 0x0 0x100>;
> +};
> +
This should not be required. The u-boot driver is still hard-coding
the MDIO address and Linux should get the right address based on
address translation of the child cpsw3g_mdio node.
> &cpsw_port1 {
> bootph-pre-ram;
> };
>
--
cheers,
-roger
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