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From: Vidya Sagar <vidyas@nvidia.com>
To: <lorenzo.pieralisi@arm.com>, <bhelgaas@google.com>,
	<robh+dt@kernel.org>, <thierry.reding@gmail.com>,
	<jonathanh@nvidia.com>, <andrew.murray@arm.com>
Cc: <kishon@ti.com>, <gustavo.pimentel@synopsys.com>,
	<digetx@gmail.com>, <mperttunen@nvidia.com>,
	<linux-pci@vger.kernel.org>, <devicetree@vger.kernel.org>,
	<linux-tegra@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
	<linux-arm-kernel@lists.infradead.org>, <kthota@nvidia.com>,
	<mmaddireddy@nvidia.com>, <vidyas@nvidia.com>,
	<sagar.tv@gmail.com>
Subject: [PATCH V4 6/6] arm64: tegra: Add PCIe slot supply information in p2972-0000 platform
Date: Thu, 5 Sep 2019 16:15:53 +0530	[thread overview]
Message-ID: <20190905104553.2884-7-vidyas@nvidia.com> (raw)
In-Reply-To: <20190905104553.2884-1-vidyas@nvidia.com>

Add 3.3V and 12V supplies regulators information of x16 PCIe slot in
p2972-0000 platform which is owned by C5 controller and also enable C5
controller.

Signed-off-by: Vidya Sagar <vidyas@nvidia.com>
Reviewed-by: Andrew Murray <andrew.murray@arm.com>
---
V4:
* None

V3:
* None

V2:
* None

 .../arm64/boot/dts/nvidia/tegra194-p2888.dtsi | 24 +++++++++++++++++++
 .../boot/dts/nvidia/tegra194-p2972-0000.dts   |  4 +++-
 2 files changed, 27 insertions(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/nvidia/tegra194-p2888.dtsi b/arch/arm64/boot/dts/nvidia/tegra194-p2888.dtsi
index 62e07e1197cc..4c38426a6969 100644
--- a/arch/arm64/boot/dts/nvidia/tegra194-p2888.dtsi
+++ b/arch/arm64/boot/dts/nvidia/tegra194-p2888.dtsi
@@ -289,5 +289,29 @@
 			gpio = <&gpio TEGRA194_MAIN_GPIO(A, 3) GPIO_ACTIVE_HIGH>;
 			enable-active-high;
 		};
+
+		vdd_3v3_pcie: regulator@2 {
+			compatible = "regulator-fixed";
+			reg = <2>;
+
+			regulator-name = "PEX_3V3";
+			regulator-min-microvolt = <3300000>;
+			regulator-max-microvolt = <3300000>;
+			gpio = <&gpio TEGRA194_MAIN_GPIO(Z, 2) GPIO_ACTIVE_HIGH>;
+			regulator-boot-on;
+			enable-active-high;
+		};
+
+		vdd_12v_pcie: regulator@3 {
+			compatible = "regulator-fixed";
+			reg = <3>;
+
+			regulator-name = "VDD_12V";
+			regulator-min-microvolt = <1200000>;
+			regulator-max-microvolt = <1200000>;
+			gpio = <&gpio TEGRA194_MAIN_GPIO(A, 1) GPIO_ACTIVE_LOW>;
+			regulator-boot-on;
+			enable-active-low;
+		};
 	};
 };
diff --git a/arch/arm64/boot/dts/nvidia/tegra194-p2972-0000.dts b/arch/arm64/boot/dts/nvidia/tegra194-p2972-0000.dts
index 23597d53c9c9..d47cd8c4dd24 100644
--- a/arch/arm64/boot/dts/nvidia/tegra194-p2972-0000.dts
+++ b/arch/arm64/boot/dts/nvidia/tegra194-p2972-0000.dts
@@ -93,9 +93,11 @@
 	};
 
 	pcie@141a0000 {
-		status = "disabled";
+		status = "okay";
 
 		vddio-pex-ctl-supply = <&vdd_1v8ao>;
+		vpcie3v3-supply = <&vdd_3v3_pcie>;
+		vpcie12v-supply = <&vdd_12v_pcie>;
 
 		phys = <&p2u_nvhs_0>, <&p2u_nvhs_1>, <&p2u_nvhs_2>,
 		       <&p2u_nvhs_3>, <&p2u_nvhs_4>, <&p2u_nvhs_5>,
-- 
2.17.1


  parent reply	other threads:[~2019-09-05 10:46 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-09-05 10:45 [PATCH V4 0/6] PCI: tegra: Enable PCIe C5 controller of Tegra194 in p2972-0000 platform Vidya Sagar
2019-09-05 10:45 ` [PATCH V4 1/6] dt-bindings: PCI: tegra: Add sideband pins configuration entries Vidya Sagar
2019-09-05 10:45 ` [PATCH V4 2/6] dt-bindings: PCI: tegra: Add PCIe slot supplies regulator entries Vidya Sagar
2019-09-05 10:45 ` [PATCH V4 3/6] PCI: tegra: Add support to configure sideband pins Vidya Sagar
2019-09-05 10:45 ` [PATCH V4 4/6] PCI: tegra: Add support to enable slot regulators Vidya Sagar
2019-09-05 10:45 ` [PATCH V4 5/6] arm64: tegra: Add configuration for PCIe C5 sideband signals Vidya Sagar
2019-09-05 10:45 ` Vidya Sagar [this message]
2019-09-05 11:20 ` [PATCH V4 0/6] PCI: tegra: Enable PCIe C5 controller of Tegra194 in p2972-0000 platform Lorenzo Pieralisi

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