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On 07/10/25 7:27 pm, Shubhi Garg wrote: > This patch series adds support for NVIDIA's Voltage Regulator Specification > (VRS) RTC device. It provides following features: > - read/set system time > - 32kHz clock support with backup battery input to retain system time > across boot > - alarm functionality to wake system from suspend and shutdown state > > The series includes: > - Device tree bindings for the VRS RTC > - VRS device tree nodes for NVIDIA platforms > - VRS RTC device driver > - Configuration updates to enable the driver > > Changes in v7: > - rtc driver fixes to remove mutex lock > - moved rtc register definitions in driver > - dt binding file name fix to keep same as compatible > > Changes in v6: > - compatible name fixes to "nvidia,vrs-10" > - changed dtb node name to pmic@3c > > Changes in v5: > - moved device tree bindings from mfd to rtc > - changed dtb node name to rtc@3c > - removed VRS MFD driver > - moved VRS common functions to RTC driver > - removed unused register definitions from header > - changed driver compatible to "nvidia,vrs10-rtc" > > Changes in v4: > - fixed device tree node name to "pmic@3c" in dtb aliases > > Changes in v3: > - fixed device tree node name to generic "pmic@3c" > - fixed indentation in dt-bindings > - added rate limiting to interrupt clearing debug logs > - removed unnecessary braces in if blocks > - changed dependency from I2C=y to I2C in mfd Kconfig > - fixed return value in RTC driver function calls > - fixed sizeof(*variable) inside rtc driver devm_kzalloc > - switch to devm_device_init_wakeup() for automatic cleanup > > Changes in v2: > - fixed, copyrights, definitions and dtb node in dt-bindings > - removed unnecessary logs from MFD and RTC driver > - fixed RTC allocation and registration APIs > - removed unnecessary functions in RTC driver > - used rtc_lock/unlock in RTC irq handler > - added alias to assign VRS RTC as RTC0 > - added driver entry in MAINTAINERS > - few other miinor changes done in drivers > > Shubhi Garg (4): > dt-bindings: rtc: Document NVIDIA VRS RTC > arm64: tegra: Add device-tree node for NVVRS RTC > rtc: nvvrs: add NVIDIA VRS RTC device driver > arm64: defconfig: enable NVIDIA VRS PSEQ RTC > > .../bindings/rtc/nvidia,vrs-10.yaml | 59 ++ > MAINTAINERS | 8 + > .../arm64/boot/dts/nvidia/tegra234-p3701.dtsi | 11 + > .../arm64/boot/dts/nvidia/tegra234-p3767.dtsi | 15 + > arch/arm64/configs/defconfig | 1 + > drivers/rtc/Kconfig | 9 + > drivers/rtc/Makefile | 1 + > drivers/rtc/rtc-nvidia-vrs10.c | 542 ++++++++++++++++++ > 8 files changed, 646 insertions(+) > create mode 100644 Documentation/devicetree/bindings/rtc/nvidia,vrs-10.yaml > create mode 100644 drivers/rtc/rtc-nvidia-vrs10.c > -- Regards, Shubhi