Thanks for the info Robert, would you know how I could reclaim / rewrite these pins to act as SPI pins?
What would be the best way of doing this? modify 'am335x-bonegreen-wireless-uboot-univ.dts' or can we get the boards to load a custom default dt config? Regards, On Sunday, February 7, 2021 at 11:03:03 AM UTC+10 RobertCNelson wrote: > On Sat, Feb 6, 2021 at 4:03 PM Yendor <[email protected]> wrote: > > > > Digging down, it looks like 'am335x-bonegreen-wireless-uboot-univ.dts' > is been loaded as the default and this includes > 'am335x-bonegreen-wireless-common-univ.dtsi' > > which in turn sets 'MCASP0_ACLKX' and 'MCASP0_FSX' as 'audio' on the P9 > header. > > > > Question is it possible to modify > 'am335x-bonegreen-wireless-uboot-univ.dts' to allow me to use SPI1 on the > pins I want? > > > > The pins I need are: > > ZCZ Ball Pin Name Signal Mode Assumed Commands > > A13 MCASP0_ACLKX SPI1_SCLK 3 AM33XX_IOPAD(0x0990, PIN_OUTPUT_PULLUP | > INPUT_EN | MUX_MODE3) > > B13 MCASP0_FSX SPI1_D0 3 AM33XX_IOPAD(0x0994, PIN_INPUT_PULLUP | > INPUT_EN | MUX_MODE3) > > D12 MCASP0_AXR0 SPI1_D1 3 AM33XX_IOPAD(0x0998, PIN_OUTPUT_PULLUP | > INPUT_EN | MUX_MODE3) > > V17 GPMC_A11 LoRa_CS1 7 AM33XX_IOPAD(0x086c, PIN_OUTPUT_PULLUP | > INPUT_EN | MUX_MODE7) > > > > Is anyone able to show me what would need to be modified, Thanks. > > > > That's right, the BBGW, has the audio muxed to the wl18xx's > bluetooth.. The idea was to stream bluetooth audio.. i don't think > this is fully supported yet either.. (aka there was a random > driver/bugs..) > > Regards, > > -- > Robert Nelson > https://rcn-ee.com/ > -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/beagleboard/de43eb0b-0746-4f0f-8478-cf19d5c9d90fn%40googlegroups.com.
