[PATCH v4 0/5] rtc: zynqmp: fixes for read and set offset
Alexandre Belloni
alexandre.belloni at bootlin.com
Fri Jan 30 14:59:35 PST 2026
On Thu, 22 Jan 2026 13:53:44 +0000, Tomas Melin wrote:
> Add improvements for read and set offset functions.
> The basic functionality is still the same, but offset correction values
> are now updated to match with expected.
>
> The RTC calibration value operates with full ticks,
> and fractional ticks which are a 1/16 of a full tick.
> The 16 lowest bits in the calibration registers are for the full ticks
> and value matches the external oscillator in Hz. Through that,
> the maximum and minimum offset values can be calculated dynamically,
> as they depend on the input frequency used.
>
> [...]
Applied, thanks!
[1/5] rtc: zynqmp: correct frequency value
https://git.kernel.org/abelloni/c/2724fb4d429c
[2/5] rtc: zynqmp: check calibration max value
https://git.kernel.org/abelloni/c/83b9e5eb0437
[3/5] rtc: zynqmp: rework read_offset
https://git.kernel.org/abelloni/c/0f9989443fae
[4/5] rtc: zynqmp: rework set_offset
https://git.kernel.org/abelloni/c/9f5af70268d6
[5/5] rtc: zynqmp: use dynamic max and min offset ranges
https://git.kernel.org/abelloni/c/2254383176fc
Best regards,
--
Alexandre Belloni, co-owner and COO, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com
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