On 12/11/2018 15:18, Thierry Reding wrote: > From: Mikko Perttunen <mperttunen@xxxxxxxxxx> > > Add bindings for the Tegra Combined UART device used to talk to the > UART console on Tegra194 systems. > > Signed-off-by: Mikko Perttunen <mperttunen@xxxxxxxxxx> > Reviewed-by: Rob Herring <robh@xxxxxxxxxx> > Acked-by: Jon Hunter <jonathanh@xxxxxxxxxx> > Acked-by: Thierry Reding <treding@xxxxxxxxxx> > Signed-off-by: Thierry Reding <treding@xxxxxxxxxx> > --- > .../bindings/serial/nvidia,tegra194-tcu.txt | 35 +++++++++++++++++++ > 1 file changed, 35 insertions(+) > create mode 100644 Documentation/devicetree/bindings/serial/nvidia,tegra194-tcu.txt > > diff --git a/Documentation/devicetree/bindings/serial/nvidia,tegra194-tcu.txt b/Documentation/devicetree/bindings/serial/nvidia,tegra194-tcu.txt > new file mode 100644 > index 000000000000..085a8591accd > --- /dev/null > +++ b/Documentation/devicetree/bindings/serial/nvidia,tegra194-tcu.txt > @@ -0,0 +1,35 @@ > +NVIDIA Tegra Combined UART (TCU) > + > +The TCU is a system for sharing a hardware UART instance among multiple > +systems within the Tegra SoC. It is implemented through a mailbox- > +based protocol where each "virtual UART" has a pair of mailboxes, one > +for transmitting and one for receiving, that is used to communicate > +with the hardware implementing the TCU. > + > +Required properties: > +- name : Should be tcu > +- compatible > + Array of strings > + One of: > + - "nvidia,tegra194-tcu" > +- mbox-names: > + "rx" - Mailbox for receiving data from hardware UART > + "tx" - Mailbox for transmitting data to hardware UART > +- mboxes: Mailboxes corresponding to the mbox-names. Looks like there is some trailing white-space in the above line and git warns after applying this patch. Cheers Jon -- nvpublic
