On Fri, Sep 28, 2018 at 03:11:46PM +0100, Jon Hunter wrote: > Add details for power-domains to the Tegra xHCI bindings so that > generic power-domains can be used for inconjunction with the xHCI > driver. > > Signed-off-by: Jon Hunter <jonathanh@xxxxxxxxxx> > --- > Documentation/devicetree/bindings/usb/nvidia,tegra124-xusb.txt | 8 ++++++++ > 1 file changed, 8 insertions(+) > > diff --git a/Documentation/devicetree/bindings/usb/nvidia,tegra124-xusb.txt b/Documentation/devicetree/bindings/usb/nvidia,tegra124-xusb.txt > index 3eee9e505400..4156c3e181c5 100644 > --- a/Documentation/devicetree/bindings/usb/nvidia,tegra124-xusb.txt > +++ b/Documentation/devicetree/bindings/usb/nvidia,tegra124-xusb.txt > @@ -59,6 +59,14 @@ For Tegra210: > - avdd-pll-uerefe-supply: PLLE reference PLL power supply. Must supply 1.05 V. > - dvdd-pex-pll-supply: PCIe/USB3 PLL power supply. Must supply 1.05 V. > - hvdd-pex-pll-e-supply: High-voltage PLLE power supply. Must supply 1.8 V. > +- power-domains: A list of PM domain specifiers that reference each power-domain > + used by the xHCI controller. This list must comprise of a specifier for the > + XUSBA and XUSBC power-domains. See ../power/power_domain.txt and > + ../arm/tegra/nvidia,tegra20-pmc.txt for details. > +- power-domain-names: A list of names that represent each of the specifiers in > + the 'power-domains' property. Must include 'xusb_ss' and 'xusb_host' which Total bike-shed comment: maybe call these "superspeed" and "host" or something. The xusb_ prefix is kind of redundent because of the context. On the other hand, those are the names by which the power partitions are referred to, so either way: Acked-by: Thierry Reding <treding@xxxxxxxxxx>
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