linux-kernel - [PATCH v3 08/12] ARM: tegra: tamonten: Add PCIe support

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Date:	Wed,  3 Apr 2013 16:45:14 +0200
From:	Thierry Reding <thierry.reding@...onic-design.de>
To:	Grant Likely <grant.likely@...retlab.ca>,
	Rob Herring <rob.herring@...xeda.com>,
	Stephen Warren <swarren@...dotorg.org>,
	Bjorn Helgaas <bhelgaas@...gle.com>
Cc:	Russell King <linux@....linux.org.uk>,
	Andrew Murray <andrew.murray@....com>,
	Jason Gunthorpe <jgunthorpe@...idianresearch.com>,
	Arnd Bergmann <arnd@...db.de>,
	Thomas Petazzoni <thomas.petazzoni@...e-electrons.com>,
	devicetree-discuss@...ts.ozlabs.org, linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org, linux-tegra@...r.kernel.org,
	linux-pci@...r.kernel.org
Subject: [PATCH v3 08/12] ARM: tegra: tamonten: Add PCIe support

Add properties common to all Tamonten-derived boards to the Tamonten
DTSI and add the fixed 1.05 V regulator.

Signed-off-by: Thierry Reding <thierry.reding@...onic-design.de>
---
Changes in v2:
- add properties common to all Tamonten boards
- add fixed 1.05 V regulator

 arch/arm/boot/dts/tegra20-tamonten.dtsi | 17 ++++++++++++++++-
 1 file changed, 16 insertions(+), 1 deletion(-)

diff --git a/arch/arm/boot/dts/tegra20-tamonten.dtsi b/arch/arm/boot/dts/tegra20-tamonten.dtsi
index 08cc557..020f7bc 100644
--- a/arch/arm/boot/dts/tegra20-tamonten.dtsi
+++ b/arch/arm/boot/dts/tegra20-tamonten.dtsi
@@ -438,7 +438,7 @@
 					regulator-always-on;
 				};
 
-				ldo0 {
+				pci_clk_reg: ldo0 {
 					regulator-name = "vdd_ldo0,vddio_pex_clk";
 					regulator-min-microvolt = <3300000>;
 					regulator-max-microvolt = <3300000>;
@@ -533,6 +533,11 @@
 		nvidia,invert-interrupt;
 	};
 
+	pcie-controller {
+		pex-clk-supply = <&pci_clk_reg>;
+		vdd-supply = <&pci_vdd_reg>;
+	};
+
 	usb@...08000 {
 		status = "okay";
 	};
@@ -558,5 +563,15 @@
 			regulator-max-microvolt = <5000000>;
 			regulator-always-on;
 		};
+
+		pci_vdd_reg: regulator@1 {
+			compatible = "regulator-fixed";
+			reg = <1>;
+			regulator-name = "vdd_1v05";
+			regulator-min-microvolt = <1050000>;
+			regulator-max-microvolt = <1050000>;
+			gpio = <&pmic 2 0>;
+			enable-active-high;
+		};
 	};
 };
-- 
1.8.2

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