[PATCH RESEND] arm: dts: nxp: lpc: lpc32xx: drop 'clocks' form rtc

Vladimir Zapolskiy vz at mleia.com
Wed Sep 10 17:19:24 PDT 2025


Hi Javier.

On 10/16/24 20:14, Javier Carrasco wrote:
> The RTC does not provide a controllable clock signal (it uses a fixed
> 32768 Hz crystal, the input clock of the SoC). Remove the 'clocks'
> property to better describe the device and avoid errors when checking
> the dts against the nxp,lpc3220-rtc binding.
> 

This dts change as well as a counterpart documentation change won't be
applied, since it breaks dtb/Linux ABI, unfortunately.

> Signed-off-by: Javier Carrasco <javier.carrasco.cruz at gmail.com>
> ---
> This patch used to belong to a series that converted the affected RTC
> into dtschema[1] (effectively moving it to trivial-rtc), and dropped
> the signal clock as it uses a fixed 32768 Hz crystal.
> 
> The rest of that series was merged, but I did not get any feedback for
> this one. I sent a little reminder ~2 months later that might have gone
> unnoticed too, and as a few more months passed since then, I opted for a
> resend with the single pending patch. It is of course not urgent, but
> still relevant.
> 
> Link: https://lore.kernel.org/all/20240413-rtc_dtschema-v3-0-eff368bcc471@gmail.com/ [1]

-- 
Best wishes,
Vladimir



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