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mb/siemens/mc_ehl2: Invert PHY IRQ from falling edge to rising edge 

There are three external Marvell PHY 88E1512 on this mainboard. The PHY
IRQ comes with a falling edge but the EHL MAC side needs a rising edge
signal. For that reason, we need an inversion of the IRQ polarity.

Change-Id: Id3caf582b4434b046779f5733e6ad9b57528ce35
Signed-off-by: Mario Scheithauer <mario.scheithauer@siemens.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/63889
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Werner Zeh <werner.zeh@siemens.com>
This commit is contained in:
Mario Scheithauer 2022-04-27 11:26:56 +02:00 committed by Felix Held
parent dccdaceb49
commit 5b3ccc253f
1 changed files with 3 additions and 0 deletions
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3
src/mainboard/siemens/mc_ehl/variants/mc_ehl2/devicetree.cb
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@ -104,6 +104,9 @@ chip soc/intel/elkhartlake
register "PchTsnGbeSgmiiEnable" = "1" register "PchTsnGbeSgmiiEnable" = "1"
register "PseDmaOwn[0]" = "Host_Owned" register "PseDmaOwn[0]" = "Host_Owned"
register "PseDmaOwn[1]" = "Host_Owned" register "PseDmaOwn[1]" = "Host_Owned"
register "pch_tsn_phy_irq_edge" = "RISING_EDGE"
register "pse_tsn_phy_irq_edge[0]" = "RISING_EDGE"
register "pse_tsn_phy_irq_edge[1]" = "RISING_EDGE"
register "common_soc_config" = "{ register "common_soc_config" = "{
.i2c[2] = { .i2c[2] = {