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c8754c7dea
Add driver for Sophgo CV1800 series SoC RTC subsystem. The RTC module comprises a 32kHz oscillator, Power-on-Reset (PoR) sub-module, HW state machine to control chip power-on, power-off and reset. Furthermore, the 8051 subsystem is located within RTCSYS including associated SRAM block. This patch only populates RTC sub-device. Signed-off-by: Alexander Sverdlin <alexander.sverdlin@gmail.com> Reviewed-by: Inochi Amaoto <inochiama@gmail.com> Link: https://lore.kernel.org/r/20250315224921.3627852-3-alexander.sverdlin@gmail.com Signed-off-by: Inochi Amaoto <inochiama@gmail.com> Signed-off-by: Chen Wang <unicorn_wang@outlook.com> Signed-off-by: Chen Wang <wangchen20@iscas.ac.cn>