On 08/01/2024 10:11, Jingbao Qiu wrote: > On Mon, Jan 8, 2024 at 5:06 PM Krzysztof Kozlowski > <krzysztof.kozlowski@xxxxxxxxxx> wrote: >> >> On 08/01/2024 10:00, Jingbao Qiu wrote: >>> On Mon, Jan 8, 2024 at 4:02 PM Krzysztof Kozlowski >>> <krzysztof.kozlowski@xxxxxxxxxx> wrote: >>>> >>>> On 08/01/2024 08:22, Jingbao Qiu wrote: >>>>> Real Time Clock (RTC) is an independently powered module >>>>> within the chip, which includes a 32KHz oscillator and >>>>> a Power On Reset/POR submodule. It can be used for time >>>>> display and timed alarm generation. >>>>> >>>>> Power On Reset/POR submodule only using register resources >>>>> so it should be empty. The 32KHz oscillator only provides >>>>> pulses for RTC in hardware. >>>>> >>>>> >>>>> Changes since v4: >>>>> - remove POR dt-bindings because it empty >>>>> - remove MFD dt-bindings because SoC does >>>>> not have MFDs >>>>> - add syscon attribute to share registers >>>>> with POR >>>>> >>>>> v4: https://lore.kernel.org/all/20231229090643.116575-1-qiujingbao.dlmu@xxxxxxxxx/ >>>>> >>>>> Changes since v3: >>>>> - temporarily not submitting RTC driver code >>>>> waiting for communication with IC designer >>>> >>>> Hm, why? >>>> >>>> We do not need bindings if nothing matches to them. If this binding is >>>> for other upstream open-source project, please provide references. >>>> >>>> See also: >>>> https://elixir.bootlin.com/linux/v6.7-rc8/source/Documentation/devicetree/bindings/submitting-patches.rst#L61 >>>> >>> >>> Hi! >>> >>> There is a function in the RTC driver code used to calibrate the >>> clock, which is define in the datasheet. >>> However, Alexandre Belloni raised concerns that clock calibration >>> should be done using GPS or similar >>> methods, rather than using other clock sources. I think what he said >>> makes sense. So it is necessary >>> to communicate with IC designers. >>> >>> link: https://lore.kernel.org/all/202312271350242a208426@mail.local/ >> >> Sure, this I get, but why sending bindings alone? There is no user of them. >> > > Thank you for your patient reply. > May I ask if this user refers to driver code or DTS? Anything. Any user. Best regards, Krzysztof
