From 5b3ccc253f78996216207ae3d5f77072f7a04621 Mon Sep 17 00:00:00 2001 From: Mario Scheithauer Date: Wed, 27 Apr 2022 11:26:56 +0200 Subject: 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 Reviewed-on: https://review.coreboot.org/c/coreboot/+/63889 Tested-by: build bot (Jenkins) Reviewed-by: Werner Zeh --- src/mainboard/siemens/mc_ehl/variants/mc_ehl2/devicetree.cb | 3 +++ 1 file changed, 3 insertions(+) (limited to 'src/mainboard/siemens/mc_ehl') diff --git a/src/mainboard/siemens/mc_ehl/variants/mc_ehl2/devicetree.cb b/src/mainboard/siemens/mc_ehl/variants/mc_ehl2/devicetree.cb index 81f68e2314..a1c8ae3e04 100644 --- a/src/mainboard/siemens/mc_ehl/variants/mc_ehl2/devicetree.cb +++ b/src/mainboard/siemens/mc_ehl/variants/mc_ehl2/devicetree.cb @@ -104,6 +104,9 @@ chip soc/intel/elkhartlake register "PchTsnGbeSgmiiEnable" = "1" register "PseDmaOwn[0]" = "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" = "{ .i2c[2] = { -- cgit v1.2.3