From a38de0f4052784597da287b39447c4643c88b6f3 Mon Sep 17 00:00:00 2001
From: Gautham Srinivasan <gauthams@nvidia.com>
Date: Mon, 9 Oct 2023 18:11:16 +0000
Subject: [PATCH] overlay: p3768: PCIE alternate UPHY config

Manage PCIe (C7 and C9) controllers using odm-data field.
PCIe alternate config "gbe-uphy-config-9" uses C7x1 and
C9x1 controllers.

Bug 4052872

Change-Id: I9608b17f0a99e0fd382e3f9c6da72753626e7f2c
Signed-off-by: Gautham Srinivasan <gauthams@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/device/hardware/nvidia/t23x-public-dts/+/2993862
Reviewed-by: Dipen Patel <dipenp@nvidia.com>
Reviewed-by: Brad Griffis <bgriffis@nvidia.com>
GVS: Gerrit_Virtual_Submit <buildbot_gerritrpt@nvidia.com>
---
 overlay/tegra234-p3767-sku-handling.dtsi | 29 ++++++++++++++++++++++++
 1 file changed, 29 insertions(+)

diff --git a/overlay/tegra234-p3767-sku-handling.dtsi b/overlay/tegra234-p3767-sku-handling.dtsi
index fee7710..7f176df 100644
--- a/overlay/tegra234-p3767-sku-handling.dtsi
+++ b/overlay/tegra234-p3767-sku-handling.dtsi
@@ -100,4 +100,33 @@
 			};
 		};
 	};
+
+	/*
+	 * If ODMDATA contains gbe-uphy-config-9, then:
+	 * 1. C7x1
+	 * 2. C9x1
+	 */
+	p3767-sku-handling-fragment@6 {
+		target-path = "/bus@0";
+		board_config {
+			odm-data = "gbe-uphy-config-9";
+		};
+		__overlay__ {
+			/* C7 */
+			pcie@141e0000 {
+				phys = <&p2u_gbe_0>;
+				phy-names = "p2u-0";
+				num-lanes = <1>;
+			};
+
+			/* C9 */
+			pcie@140c0000 {
+				status = "okay";
+				vddio-pex-ctl-supply = <&vdd_1v8_ao>;
+				phys = <&p2u_gbe_1>;
+				phy-names = "p2u-0";
+				num-lanes = <1>;
+			};
+		};
+	};
 };