| Message ID | 20180305202806.21219-4-eric@anholt.net (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
On Mon, Mar 5, 2018 at 2:28 PM, Eric Anholt <eric@anholt.net> wrote: > The VCHI communication channel can be provided by BCM283x and Capri VCHI or VCHIQ? > SoCs, to communicate with the VPU-side OS services. > > Signed-off-by: Eric Anholt <eric@anholt.net> > --- > .../devicetree/bindings/soc/bcm/brcm,bcm2835-vchiq.txt | 18 ++++++++++++++++++ > 1 file changed, 18 insertions(+) > create mode 100644 Documentation/devicetree/bindings/soc/bcm/brcm,bcm2835-vchiq.txt > > diff --git a/Documentation/devicetree/bindings/soc/bcm/brcm,bcm2835-vchiq.txt b/Documentation/devicetree/bindings/soc/bcm/brcm,bcm2835-vchiq.txt > new file mode 100644 > index 000000000000..4055a8977f3e > --- /dev/null > +++ b/Documentation/devicetree/bindings/soc/bcm/brcm,bcm2835-vchiq.txt > @@ -0,0 +1,18 @@ > +Broadcom VCHIQ firmware services > + > +Required properties: > + > +- compatible: Should be "brcm,bcm2835-vchiq" > +- reg: Physical base address and length of the doorbell register pair > +- interrupts: The interrupt number > + See bindings/interrupt-controller/brcm,bcm2835-armctrl-ic.txt > +- firmware: Reference to the RPi firmware device node There's only one, just get it by compatible or path. > + > +Example: > + > +vchi@7e00b840 { > + compatible = "brcm,bcm2835-vchiq"; > + reg = <0x7e00b840 0xf>; > + interrupts = <0 2>; > + firmware = <&firmware>; > +}; > -- > 2.16.2 >
diff --git a/Documentation/devicetree/bindings/soc/bcm/brcm,bcm2835-vchiq.txt b/Documentation/devicetree/bindings/soc/bcm/brcm,bcm2835-vchiq.txt new file mode 100644 index 000000000000..4055a8977f3e --- /dev/null +++ b/Documentation/devicetree/bindings/soc/bcm/brcm,bcm2835-vchiq.txt @@ -0,0 +1,18 @@ +Broadcom VCHIQ firmware services + +Required properties: + +- compatible: Should be "brcm,bcm2835-vchiq" +- reg: Physical base address and length of the doorbell register pair +- interrupts: The interrupt number + See bindings/interrupt-controller/brcm,bcm2835-armctrl-ic.txt +- firmware: Reference to the RPi firmware device node + +Example: + +vchi@7e00b840 { + compatible = "brcm,bcm2835-vchiq"; + reg = <0x7e00b840 0xf>; + interrupts = <0 2>; + firmware = <&firmware>; +};
The VCHI communication channel can be provided by BCM283x and Capri SoCs, to communicate with the VPU-side OS services. Signed-off-by: Eric Anholt <eric@anholt.net> --- .../devicetree/bindings/soc/bcm/brcm,bcm2835-vchiq.txt | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) create mode 100644 Documentation/devicetree/bindings/soc/bcm/brcm,bcm2835-vchiq.txt