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Date:   Sun, 26 May 2019 10:07:48 +0530
From:   Vidya Sagar <vidyas@...dia.com>
To:     <lorenzo.pieralisi@....com>, <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>,
        <jingoohan1@...il.com>, <gustavo.pimentel@...opsys.com>
CC:     <mperttunen@...dia.com>, <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>, <vidyas@...dia.com>, <sagar.tv@...il.com>
Subject: [PATCH V8 12/15] 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>
---
Changes since [v7]:
* None

Changes since [v6]:
* None

Changes since [v5]:
* Arranged PCIe nodes in the order of their addresses

Changes since [v4]:
* None

Changes since [v3]:
* None

Changes since [v2]:
* Changed P2U label names to reflect new format that includes 'hsio'/'nvhs'
  strings to reflect UPHY brick they belong to

Changes since [v1]:
* Dropped 'pcie-' from phy-names property strings

 .../arm64/boot/dts/nvidia/tegra194-p2888.dtsi |  2 +-
 .../boot/dts/nvidia/tegra194-p2972-0000.dts   | 41 +++++++++++++++++++
 2 files changed, 42 insertions(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/nvidia/tegra194-p2888.dtsi b/arch/arm64/boot/dts/nvidia/tegra194-p2888.dtsi
index 0fd5bd29fbf9..30a83d4c5b69 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 73801b48d1d8..a22704e76a84 100644
--- a/arch/arm64/boot/dts/nvidia/tegra194-p2972-0000.dts
+++ b/arch/arm64/boot/dts/nvidia/tegra194-p2972-0000.dts
@@ -167,4 +167,45 @@
 			};
 		};
 	};
+
+	pcie@...00000 {
+		status = "okay";
+
+		vddio-pex-ctl-supply = <&vdd_1v8ao>;
+
+		phys = <&p2u_hsio_0>;
+		phy-names = "p2u-0";
+	};
+
+	pcie@...40000 {
+		status = "okay";
+
+		vddio-pex-ctl-supply = <&vdd_1v8ao>;
+
+		phys = <&p2u_hsio_7>;
+		phy-names = "p2u-0";
+	};
+
+	pcie@...80000 {
+		status = "okay";
+
+		vddio-pex-ctl-supply = <&vdd_1v8ao>;
+
+		phys = <&p2u_hsio_2>, <&p2u_hsio_3>, <&p2u_hsio_4>,
+		       <&p2u_hsio_5>;
+		phy-names = "p2u-0", "p2u-1", "p2u-2", "p2u-3";
+	};
+
+	pcie@...a0000 {
+		status = "disabled";
+
+		vddio-pex-ctl-supply = <&vdd_1v8ao>;
+
+		phys = <&p2u_nvhs_0>, <&p2u_nvhs_1>, <&p2u_nvhs_2>,
+		       <&p2u_nvhs_3>, <&p2u_nvhs_4>, <&p2u_nvhs_5>,
+		       <&p2u_nvhs_6>, <&p2u_nvhs_7>;
+
+		phy-names = "p2u-0", "p2u-1", "p2u-2", "p2u-3", "p2u-4",
+			    "p2u-5", "p2u-6", "p2u-7";
+	};
 };
-- 
2.17.1

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