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- SMARC T335X Hardware Design: VDD_IO_SEL#:
SMARC_T335x_Carrier_Board_Hardware_Design_Guide section 3.3, Figure 37: Power Block Diagram and the text on the following page
Answer: By SMARC 1.0 definition, if the SMARC module only support 1.8V IO, it will connect the VDD_IO_SEL# to GND. If the carrier board does not ... - SMARC T335X Linux Development: Firmware Preload:
When we reach production, and are ordering the SMARC modules from you, will they
Answer: No JTAG at all. It’s way too complicate to use it. It depends on where you would like to boot your device. If you would like to ... - SMARC T335X Linux Development: GPIO device busy error:
We are having trouble accessing the GPIO on the SMARC carrier
Answer: To use GPIOs, you can either configure them in kernel or user space. Both way cannot be applied at the same time. We configure the GPIO ... - SMARC T335X Hardware Design: When will be available the SMARC T437X hardware software section?
Answer: - ... - SMARC T335X Hardware Design: VIN_PWR_BAD#:
Can VIN_PWR_BAD# be pulled up to VDD_MOD? In other words is an OVP and UVP
Answer: SMARC defines the input power source to be 3V~5.25V. Once you can assure the power of SMARC module is good, you can decide yourself the ... - SMARC T335X Hardware Design: RESET_IN# :
The SCH_SBC-SMART-BEE schematic, page 13 shows a reset generator powered by the +3.3V.
Answer: The SMARC module does not know the IO power status from the carrier board, and put RESET_IN# in the last stage of power can serve ... - SMARC T335X Hardware Design: CARRIER_PWR_ON:
Does the Module fully boot up before asserting CARRER_PWR_ON?
Answer: The IO power of carrier board will be turn on at the stage of power on sequence. If the IO power of carrier board been ... - SMARC T335X Linux Development: I'm trying to use SPI master capability of SMARC-T4378.
HW setup
1. SMARC-T4378
2. EVK-STD-CARRIER with populated
Answer: Does somebody use the SPI ports of SMART437x? Why In devicetree spi clock is defined as input while other signal CS/D0/D1 are defined for master? 0x1dc (PIN_INPUT ... - SMARC-T4378 Linux Development: I'm trying to use SPI master capability of SMARC-T4378.
HW setup
1. SMARC-T4378
2. EVK-STD-CARRIER with populated
Answer: Please update your kernel to the latest commit first. It should resolve your problem. The other possibily is as follows. In current configuration, the chip select ... - SMARC T335X Linux Development: USB WiFi Dongle Driver: I'm not able to build the RTL8192C USB module driver.
Answer: We made a .ko file for you. Please copy to /lib/modules/$(uname –r)/kernel/drivers root@smarct335x:~# depmod -a root@smarct335x:~# modprobe 8192cu [ 47.485413] Disabling lock debugging due to kernel taint [ 47.548124] rtl8192cu ...
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