As per the design specification
"The 16-bit Seconds Calibration Value represents the number of
Oscillator Ticks that are required to measure the largest time period
that is less than or equal to 1 second.
For an oscillator that is 32.768kHz, this value will be 0x7FFF."

Signed-off-by: Harini T <harini.t@amd.com>
---
 arch/arm64/boot/dts/xilinx/versal-net.dtsi | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/xilinx/versal-net.dtsi b/arch/arm64/boot/dts/xilinx/versal-net.dtsi
index fc9f49e57385..c037a7819967 100644
--- a/arch/arm64/boot/dts/xilinx/versal-net.dtsi
+++ b/arch/arm64/boot/dts/xilinx/versal-net.dtsi
@@ -556,7 +556,7 @@
 			reg = <0 0xf12a0000 0 0x100>;
 			interrupts = <0 200 4>, <0 201 4>;
 			interrupt-names = "alarm", "sec";
-			calibration = <0x8000>;
+			calibration = <0x7FFF>;
 		};
 
 		sdhci0: mmc@f1040000 {
-- 
2.17.1

On 7/10/25 08:13, Harini T wrote:
> As per the design specification
> "The 16-bit Seconds Calibration Value represents the number of
> Oscillator Ticks that are required to measure the largest time period
> that is less than or equal to 1 second.
> For an oscillator that is 32.768kHz, this value will be 0x7FFF."
> 
> Signed-off-by: Harini T <harini.t@amd.com>
> ---
>   arch/arm64/boot/dts/xilinx/versal-net.dtsi | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/arch/arm64/boot/dts/xilinx/versal-net.dtsi b/arch/arm64/boot/dts/xilinx/versal-net.dtsi
> index fc9f49e57385..c037a7819967 100644
> --- a/arch/arm64/boot/dts/xilinx/versal-net.dtsi
> +++ b/arch/arm64/boot/dts/xilinx/versal-net.dtsi
> @@ -556,7 +556,7 @@
>   			reg = <0 0xf12a0000 0 0x100>;
>   			interrupts = <0 200 4>, <0 201 4>;
>   			interrupt-names = "alarm", "sec";
> -			calibration = <0x8000>;
> +			calibration = <0x7FFF>;
>   		};
>   
>   		sdhci0: mmc@f1040000 {

Applied.
M