Hi, Binbin, On Sat, Sep 3, 2022 at 5:35 PM Binbin Zhou <zhoubinbin@xxxxxxxxxxx> wrote: > > Hi all: > > The initial DT-base ls2x rtc driver was written by Wang Xuerui, he has > released five versions of patchset before, and all related mail records > are shown below if you are interested: > > https://lore.kernel.org/all/?q=ls2x-rtc > > In this series of patches, based on the code above, I have added the > following support: > > 1. Add ACPI-related support, as Loongson-3 + LS7A is now ACPI-base > by default on LoonArch; > 2. Add rtc alarm/walarm related functions. > > Unfortunately, I have only tested the Loongson-3A4000+LS7A1000/LS7A2000 > under LoongArch architecture. I think Loongson-3A4000 should be Loongson-3A5000 here. And I think Qing Zhang can help us to test on Loongson-2K platform. Huacai > > NOTE: > The related functions of rtc alarm/walarm depend on ACPI registers, so rtc > alarm may not be available on the DT-base environment. Such as Loongson-2k/3 > under MIPS. > > Thanks. > > Binbin Zhou (2): > rtc: ls2x: Add support for the Loongson-2K/LS7A RTC > LoongArch: Enable LS2X RTC in loongson3_defconfig > > WANG Xuerui (5): > dt-bindings: rtc: Add bindings for LS2X RTC > MIPS: Loongson64: DTS: Add RTC support to LS7A > MIPS: Loongson: Enable LS2X RTC in loongson3_defconfig > MIPS: Loongson64: DTS: Add RTC support to Loongson-2K > MIPS: Loongson: Enable LS2X RTC in loongson2k_defconfig > > .../devicetree/bindings/rtc/trivial-rtc.yaml | 2 + > arch/loongarch/configs/loongson3_defconfig | 1 + > .../boot/dts/loongson/loongson64-2k1000.dtsi | 5 + > arch/mips/boot/dts/loongson/ls7a-pch.dtsi | 5 + > arch/mips/configs/loongson2k_defconfig | 1 + > arch/mips/configs/loongson3_defconfig | 1 + > drivers/rtc/Kconfig | 11 + > drivers/rtc/Makefile | 1 + > drivers/rtc/rtc-ls2x.c | 366 ++++++++++++++++++ > 9 files changed, 393 insertions(+) > create mode 100644 drivers/rtc/rtc-ls2x.c > > -- > 2.31.1 > >
