From 1b9ae1872635eb935b0f68a1a444cce550247339 Mon Sep 17 00:00:00 2001
From: Aamir Bohra <aamirbohra@gmail.com>
Date: Wed, 7 Apr 2021 14:31:31 +0530
Subject: [PATCH] mb/amd/bilby: Enable DP2 and DP3 enumeration

DP2 and DP2 is muxed with USBC port. This implementation
configures mux for DP functioanlity.

TEST=Verify display over DP2 and DP3.

Signed-off-by: Aamir Bohra <aamirbohra@gmail.com>
Change-Id: If0c8dfbb47175789bb27d4506c1e8b45c425c76a
Reviewed-on: https://review.coreboot.org/c/coreboot/+/56755
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: ritul guru <ritul.bits@gmail.com>
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>
---
 src/mainboard/amd/bilby/devicetree.cb | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/src/mainboard/amd/bilby/devicetree.cb b/src/mainboard/amd/bilby/devicetree.cb
index 862d20f79c..2d55a449ae 100644
--- a/src/mainboard/amd/bilby/devicetree.cb
+++ b/src/mainboard/amd/bilby/devicetree.cb
@@ -92,6 +92,15 @@ chip soc/amd/picasso
 		.tx_res_tune = 0x01,
 	}"
 
+	register "usb_pd_config_override[0]" = "{
+		.rfmux_override_en  = 1,
+		.rfmux_config = USB_PD_RFMUX_DP_X4_MODE,
+	}"
+	register "usb_pd_config_override[1]" = "{
+		.rfmux_override_en  = 1,
+		.rfmux_config = USB_PD_RFMUX_DP_X4_MODE,
+	}"
+
 	# USB OC pin mapping; all ports share one OC pin
 	register "usb_port_overcurrent_pin[0]" = "USB_OC_PIN_0"
 	register "usb_port_overcurrent_pin[1]" = "USB_OC_PIN_0"