Other Parts Discussed in Thread: DRA829,
Tool/software: Code Composer Studio
How to configure pinmux for peripherals using the below methods:
1) Pinmux tool.
2) Manually looking at the data sheet.
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Hello,
The recommended way of configuring the PinMux for Jacinto devices is by using the PinMux tool.
This tool is available online.
Steps to configure the PinMux:
/* This file was auto-generated by TI PinMux on 7/22/2020 at 9:21:31 AM. */ /* This file should only be used as a reference. Some pins/peripherals, */ /* depending on your use case, may need additional configuration. */ &main_pmx0 { mygpio1_pins_default: mygpio1_pins_default { pinctrl-single,pins = < J721E_IOPAD(0x0, PIN_INPUT, 7) /* (AC18) EXTINTn.GPIO0_0 */ >; }; };
The same can be followed with u-boot device tree. The very same example arch/arm/dts/j721-common-proc-board.dts file
Manual audit of the pinmux:
Regards,
Keerthy