From 3b3a05259640b2c80c500193c5c93e7a1d432a91 Mon Sep 17 00:00:00 2001 From: Subrata Banik Date: Thu, 18 Jul 2024 23:04:14 +0530 Subject: mb/google/brya/var/trulo: Add TCSS port descriptions This patch adds descriptions for TCSS port, including over-current (OC) pin configuration, to the device tree. It also includes entries that will generate ACPI code at runtime with port definitions, locations, and type information. Additionally, implement the TCSS PMC MUX programming. BUG=b:351976770 TEST=Builds successfully for google/trulo. Change-Id: I60de314a92514d153ca039f6eaeb904b117b786c Signed-off-by: Subrata Banik Reviewed-on: https://review.coreboot.org/c/coreboot/+/83548 Reviewed-by: Eric Lai Tested-by: build bot (Jenkins) --- .../google/brya/variants/trulo/overridetree.cb | 32 ++++++++++++++++++++++ 1 file changed, 32 insertions(+) diff --git a/src/mainboard/google/brya/variants/trulo/overridetree.cb b/src/mainboard/google/brya/variants/trulo/overridetree.cb index 56d96ff1c4..03f7f9e552 100644 --- a/src/mainboard/google/brya/variants/trulo/overridetree.cb +++ b/src/mainboard/google/brya/variants/trulo/overridetree.cb @@ -17,8 +17,28 @@ chip soc/intel/alderlake register "usb3_ports[0]" = "USB3_PORT_DEFAULT(OC1)" # USB3/2 Type A port A0 (MLB) register "usb3_ports[1]" = "USB3_PORT_DEFAULT(OC_SKIP)" # USB3/2 Type A port A1 (DB) + register "tcss_ports[0]" = "TCSS_PORT_DEFAULT(OC_SKIP)" + + # Bit 0 - C0 has no redriver, so enable SBU muxing in the SoC. + # Bit 2 - C1 has a redriver which does SBU muxing. + # Bit 1,3 - AUX lines are not swapped on the motherboard for either C0 or C1. + register "tcss_aux_ori" = "0" + device domain 0 on device ref igpu on end + device ref tcss_xhci on + chip drivers/usb/acpi + device ref tcss_root_hub on + chip drivers/usb/acpi + register "desc" = ""USB3 Type-C Port C0 (MLB)"" + register "type" = "UPC_TYPE_C_USB2_SS_SWITCH" + register "use_custom_pld" = "true" + register "custom_pld" = "ACPI_PLD_TYPE_C(LEFT, LEFT, ACPI_PLD_GROUP(1, 1))" + device ref tcss_usb3_port1 on end + end + end + end + end device ref xhci on chip drivers/usb/acpi device ref xhci_root_hub on @@ -84,8 +104,20 @@ chip soc/intel/alderlake device ref ufs on end device ref pch_espi on chip ec/google/chromeec + use conn0 as mux_conn[0] device pnp 0c09.0 on end end end + device ref pmc hidden + chip drivers/intel/pmc_mux + device generic 0 on + chip drivers/intel/pmc_mux/conn + use usb2_port5 as usb2_port + use tcss_usb3_port1 as usb3_port + device generic 0 alias conn0 on end + end + end + end + end end end -- cgit v1.2.3