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? Best regards, Jingbao Qiu
