[PATCH] arm64: versal-net: Update rtc calibration value
Michal Simek
michal.simek at amd.com
Fri Jul 18 00:23:28 PDT 2025
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 at 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 at f1040000 {
Applied.
M
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