On Sun, Dec 17, 2023 at 07:09:49PM +0800, Jingbao Qiu wrote: > This series adds rtc support for Sophgo CV1800. > > Changes since v1 > - fix duplicate names in subject > - using RTC replace RTC controller > - improve the properties of dt-bindings > - using `unevaluatedProperties` replace `additionalProperties` > - dt-bindings passed the test > - using `devm_platform_ioremap_resource()` replace > `platform_get_resource()` and `devm_ioremap_resource()` > - fix random order of the code > - fix wrong wrapping of the `devm_request_irq()` and map the flag with dts > - using devm_clk_get_enabled replace `devm_clk_get()` and > `clk_prepare_enable()` > - fix return style > - add rtc clock calibration function > - use spinlock when write register on read/set time > > Jingbao Qiu (3): > dt-bindings: rtc: sophgo: add RTC support for Sophgo CV1800 series SoC > rtc: sophgo: add rtc support for Sophgo CV1800 SoC > riscv: dts: sophgo: add rtc dt node for CV1800 AFAICT, the rtc subsystem supports not only RTC function but also power/reboot controller, so modeling the rtc subsystem as RTC only doesn't match the HW. I expect a mfd here. > > .../bindings/rtc/sophgo,cv1800-rtc.yaml | 47 ++ > arch/riscv/boot/dts/sophgo/cv1800b.dtsi | 7 + > drivers/rtc/Kconfig | 6 + > drivers/rtc/Makefile | 1 + > drivers/rtc/rtc-cv1800.c | 400 ++++++++++++++++++ > 5 files changed, 461 insertions(+) > create mode 100644 Documentation/devicetree/bindings/rtc/sophgo,cv1800-rtc.yaml > create mode 100644 drivers/rtc/rtc-cv1800.c > > -- > 2.25.1 >
