[U-Boot] [PATCH 17/23] ARM: tegra: Enable PCIe on TrimSlice

Thierry Reding thierry.reding at gmail.com
Fri Aug 22 16:44:19 CEST 2014


On Wed, Aug 20, 2014 at 12:38:15PM -0600, Stephen Warren wrote:
> On 08/18/2014 01:16 AM, Thierry Reding wrote:
> >From: Thierry Reding <treding at nvidia.com>
> >
> >The TrimSlice has an ethernet NIC connected to the PCIe bus. Enable the
> >PCIe controller and the network driver so that the device can boot over
> >the network.
> 
> >diff --git a/arch/arm/dts/tegra20-trimslice.dts b/arch/arm/dts/tegra20-trimslice.dts
> 
> >+	pcie-controller {
> >+		status = "okay";
> >+		pex-clk-supply = <&pci_clk_reg>;
> >+		vdd-supply = <&pci_vdd_reg>;
> >+
> >+		pci at 1,0 {
> >+			status = "okay";
> >+		};
> >+	};
> 
> There are many more regulators here in the kernel's DT. Is that just the
> legacy properties in order to support the old incorrect binding?

Yes, I actually wrote these patches (or at least the bulk of it) many
moons ago when the new binding didn't exist yet. I've updated all DTS
files in U-Boot to be up-to-date with the latest bindings.

Thierry
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