[U-Boot] [PATCH 19/23] ARM: tegra: Enable PCIe on Beaver

Thierry Reding thierry.reding at gmail.com
Fri Aug 22 14:33:57 CEST 2014


On Wed, Aug 20, 2014 at 12:43:58PM -0600, Stephen Warren wrote:
> On 08/18/2014 01:16 AM, Thierry Reding wrote:
> >From: Thierry Reding <treding at nvidia.com>
> >
> >The Beaver has an ethernet NIC connected to the PCIe bus. Enable the
> >PCIe controller and the network device driver so that the device can
> >boot over the network.
> >
> >In addition the board has a mini-PCIe expansion slot.
> 
> >diff --git a/arch/arm/dts/tegra30-beaver.dts b/arch/arm/dts/tegra30-beaver.dts
> 
> >+	pcie-controller {
> >+		status = "okay";
> >+		pex-clk-supply = <&sys_3v3_pexs_reg>;
> >+		vdd-supply = <&ldo1_reg>;
> >+		avdd-supply = <&ldo2_reg>;
> 
> Just like TrimSlice, there are more regulator references in the kernel DT.
> 
> The same comment applies to the next patch (i.e. the Cardhu DT patch)

Done. I also added the unit address to the PCIe controller node name for
consistency.

> >+	regulators {
> ...
> >+		vdd_5v_in_reg: regulator at 0 {
> ...
> >+		sys_3v3_reg: regulator at 6 {
> ...
> >+		sys_3v3_pexs_reg: regulator at 7 {
> 
> This only adds 3 of the regulators that are in the kernel DT. Can we just
> add the whole regulators node so the two are consistent?

Done.

> >diff --git a/board/nvidia/cardhu/cardhu.c b/board/nvidia/cardhu/cardhu.c
> 
> The commit description says Beaver...
> 
> I guess this should be part of the next patch, and the two swapped?

Done.

Thanks,
Thierry
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