Hi,
It seems like it is not valid, see first note: "The mainline Linux kernel makes no use of FEX / script.bin, and relies on the device tree model instead ( .dtb files)."
It look like that compile of new device tree is more complicated than I expec, then I decided to configure it using i2cset. For me is relevant configuration of RTC backup capacitor charger: - i2cset -f -y 0 0x34 0x35 0xA3 # bit 7=1-enable charge bit 6-5=01-3.0V;00-3.1V;10-3.6V;11-2.5V bit 4-2=reserved bit 0-1=11-400uA;10-200uA;01-100uA;00-50uA
Copy the Code(default value is 0x22 = charge disable, 3.0V, 200uA - as described in datasheet)
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