Thread (1 message) 1 message, 1 author, 2012-06-12

Re: [PATCH v2 09/10] ARM: tegra: harmony: Initialize PCIe from DT

From: Thierry Reding <hidden>
Date: 2012-06-12 05:48:11
Also in: linux-arm-kernel, linux-devicetree, linux-pci

* Stephen Warren wrote:
On 06/11/2012 09:05 AM, Thierry Reding wrote:
quoted
With the device tree support in place, probe the PCIe controller from
the device tree and remove the corresponding workaround in the board
file.
quoted
diff --git a/arch/arm/boot/dts/tegra-harmony.dts b/arch/arm/boot/dts/tegra-harmony.dts
quoted
+	pci_vdd_reg: fixedregulator@0 {
I think that'd usually just be "regulator@0".

If you need the "@0" part to differentiate between multiple regulators,
the node needs a reg property too:

	reg = <0 0>;

although then I wonder about putting the regulator under the root node,
since the address wouldn't really make sense...
Perhaps we should add a new "regulators" node under the root node to collect
this kind of regulators that don't fit anywhere else. Looking at the code,
something like this should work:

	/ {
		...

		regulators {
			compatible = "simple-bus";
			#address-cells = <1>;
			#size-cells = <0>;

			pci_vdd_reg: regulator@0 {
				reg = <0>;
			};
		};
	};

Thierry

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