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Date:   Tue, 26 Mar 2019 20:43:24 +0530
From:   Vidya Sagar <vidyas@...dia.com>
To:     <bhelgaas@...gle.com>, <robh+dt@...nel.org>,
        <mark.rutland@....com>, <thierry.reding@...il.com>,
        <jonathanh@...dia.com>, <kishon@...com>, <catalin.marinas@....com>,
        <will.deacon@....com>, <lorenzo.pieralisi@....com>,
        <jingoohan1@...il.com>, <gustavo.pimentel@...opsys.com>,
        <mperttunen@...dia.com>, <vidyas@...dia.com>, <tiwai@...e.de>,
        <spujar@...dia.com>, <skomatineni@...dia.com>,
        <liviu.dudau@....com>, <krzk@...nel.org>, <heiko@...ech.de>,
        <horms+renesas@...ge.net.au>, <olof@...om.net>,
        <maxime.ripard@...tlin.com>, <andy.gross@...aro.org>,
        <bjorn.andersson@...aro.org>, <jagan@...rulasolutions.com>,
        <enric.balletbo@...labora.com>, <ezequiel@...labora.com>,
        <stefan.wahren@...e.com>, <marc.w.gonzalez@...e.fr>,
        <l.stach@...gutronix.de>, <tpiepho@...inj.com>,
        <hayashi.kunihiko@...ionext.com>, <yue.wang@...ogic.com>,
        <shawn.lin@...k-chips.com>, <xiaowei.bao@....com>
CC:     <linux-pci@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-tegra@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>, <kthota@...dia.com>,
        <mmaddireddy@...dia.com>
Subject: [PATCH 07/10] arm64: tegra: Enable PCIe slots in P2972-0000 board

Enable PCIe controller nodes to enable respective PCIe slots on
P2972-0000 board. Following is the ownership of slots by different
PCIe controllers.
Controller-0 : M.2 Key-M slot
Controller-1 : On-board Marvell eSATA controller
Controller-3 : M.2 Key-E slot

Signed-off-by: Vidya Sagar <vidyas@...dia.com>
---
 arch/arm64/boot/dts/nvidia/tegra194-p2888.dtsi     |  2 +-
 arch/arm64/boot/dts/nvidia/tegra194-p2972-0000.dts | 50 ++++++++++++++++++++++
 2 files changed, 51 insertions(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/nvidia/tegra194-p2888.dtsi b/arch/arm64/boot/dts/nvidia/tegra194-p2888.dtsi
index 246c1ebbd055..13263529125b 100644
--- a/arch/arm64/boot/dts/nvidia/tegra194-p2888.dtsi
+++ b/arch/arm64/boot/dts/nvidia/tegra194-p2888.dtsi
@@ -191,7 +191,7 @@
 						regulator-boot-on;
 					};
 
-					sd3 {
+					vdd_1v8ao: sd3 {
 						regulator-name = "VDD_1V8AO";
 						regulator-min-microvolt = <1800000>;
 						regulator-max-microvolt = <1800000>;
diff --git a/arch/arm64/boot/dts/nvidia/tegra194-p2972-0000.dts b/arch/arm64/boot/dts/nvidia/tegra194-p2972-0000.dts
index b62e96945846..732756feb698 100644
--- a/arch/arm64/boot/dts/nvidia/tegra194-p2972-0000.dts
+++ b/arch/arm64/boot/dts/nvidia/tegra194-p2972-0000.dts
@@ -169,4 +169,54 @@
 			};
 		};
 	};
+
+	pcie@...80000 {
+		status = "okay";
+
+		vddio-pex-ctl-supply = <&vdd_1v8ao>;
+
+		phys = <&p2u_2>,
+		       <&p2u_3>,
+		       <&p2u_4>,
+		       <&p2u_5>;
+		phy-names = "pcie-p2u-0", "pcie-p2u-1", "pcie-p2u-2",
+			    "pcie-p2u-3";
+	};
+
+	pcie@...00000 {
+		status = "okay";
+
+		vddio-pex-ctl-supply = <&vdd_1v8ao>;
+
+		phys = <&p2u_0>;
+		phy-names = "pcie-p2u-0";
+	};
+
+	pcie@...40000 {
+		status = "okay";
+
+		vddio-pex-ctl-supply = <&vdd_1v8ao>;
+
+		phys = <&p2u_7>;
+		phy-names = "pcie-p2u-0";
+	};
+
+	pcie@...a0000 {
+		status = "disabled";
+
+		vddio-pex-ctl-supply = <&vdd_1v8ao>;
+
+		phys = <&p2u_12>,
+		       <&p2u_13>,
+		       <&p2u_14>,
+		       <&p2u_15>,
+		       <&p2u_16>,
+		       <&p2u_17>,
+		       <&p2u_18>,
+		       <&p2u_19>;
+
+		phy-names = "pcie-p2u-0", "pcie-p2u-1", "pcie-p2u-2",
+			    "pcie-p2u-3", "pcie-p2u-4", "pcie-p2u-5",
+			    "pcie-p2u-6", "pcie-p2u-7";
+	};
 };
-- 
2.7.4

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