[PATCH] arm64: dts: ti: Modify J784S4 SoC SERDES lane controller register length

Kumar, Udit u-kumar1 at ti.com
Fri May 23 10:25:40 PDT 2025


Hello Gokul

On 5/23/2025 7:19 PM, Gokul Praveen wrote:
> Modify the J784S4 SoC SERDES lane controller register length from 0x30 to 0x50
> to enable SERDES4 registers.
>
> 'Fixes:9cc161a4509c2("arm64: dts: ti: Refactor J784s4 SoC files to a common
> file")'
> Signed-off-by: Gokul Praveen <g-praveen at ti.com>
> ---
>   arch/arm64/boot/dts/ti/k3-j784s4-j742s2-main-common.dtsi | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/arch/arm64/boot/dts/ti/k3-j784s4-j742s2-main-common.dtsi b/arch/arm64/boot/dts/ti/k3-j784s4-j742s2-main-common.dtsi
> index 1944616ab357..1fc0a11c5ab4 100644
> --- a/arch/arm64/boot/dts/ti/k3-j784s4-j742s2-main-common.dtsi
> +++ b/arch/arm64/boot/dts/ti/k3-j784s4-j742s2-main-common.dtsi
> @@ -77,7 +77,7 @@ pcie1_ctrl: pcie1-ctrl at 4074 {
>   
>   		serdes_ln_ctrl: mux-controller at 4080 {
>   			compatible = "reg-mux";
> -			reg = <0x00004080 0x30>;
> +			reg = <0x00004080 0x50>;

I assume above is already fixed with below patch

https://lore.kernel.org/all/20250423151612.48848-1-s-vadapalli@ti.com/

or I am missing something



>   			#mux-control-cells = <1>;
>   			mux-reg-masks = <0x0 0x3>, <0x4 0x3>, /* SERDES0 lane0/1 select */
>   					<0x8 0x3>, <0xc 0x3>, /* SERDES0 lane2/3 select */



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