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UART3 returns a stream of garbage

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Lee Lup Yuen 2023-04-21 19:23:43 +08:00
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@ -1264,6 +1264,8 @@ TODO: Modem PWR_KEY signal resistor population
[(Source)](https://wiki.pine64.org/wiki/PinePhone_v1.1_-_Braveheart#Modem_PWR_KEY_signal_resistor_population)
TODO: Is PWR_KEY connected to PB3 on my PinePhone?
TODO: Set DTR (PB2) to Low to wake up modem
TODO: Check PinePhone Device Tree for UART3. What is `pinctrl-0`? PD0 and PD1