| Message ID | 1430173644-19099-2-git-send-email-eric@anholt.net (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
On Tue, Apr 28, 2015 at 3:57 AM, Eric Anholt <eric@anholt.net> wrote: > From: Lubomir Rintel <lkundrak@v3.sk> > > Signed-off-by: Lubomir Rintel <lkundrak@v3.sk> > Signed-off-by: Craig McGeachie <slapdau@yahoo.com.au> > Signed-off-by: Eric Anholt <eric@anholt.net> > Acked-by: Lee Jones <lee.jones@linaro.org> > Acked-by: Stephen Warren <swarren@wwwdotorg.org> > --- > > v2: Split into a separate patch for submitting to the devicetree list. > Consistently start node docs with a capital letter. device's > address in the example shouldn't have "0x". Drop machine-specific > interrupt numbers from the docs. (changes by anholt). > > v3: Move the file to just bcm2835-mbox.txt, clean up formatting > (changes by anholt, from review by Lee Jones). > > v4: Move file back by consensus from various Broadcom platform > maintainers (changes by anholt, acked by Lee Jones). > > .../devicetree/bindings/mailbox/brcm,bcm2835-mbox.txt | 19 +++++++++++++++++++ > 1 file changed, 19 insertions(+) > create mode 100644 Documentation/devicetree/bindings/mailbox/brcm,bcm2835-mbox.txt > > diff --git a/Documentation/devicetree/bindings/mailbox/brcm,bcm2835-mbox.txt b/Documentation/devicetree/bindings/mailbox/brcm,bcm2835-mbox.txt > new file mode 100644 > index 0000000..0bb2b9d > --- /dev/null > +++ b/Documentation/devicetree/bindings/mailbox/brcm,bcm2835-mbox.txt > @@ -0,0 +1,19 @@ > +Broadcom BCM2835 VideoCore mailbox IPC > + > +Required properties: > + > +- compatible: Should be "brcm,bcm2835-mbox" > +- reg: Specifies base physical address and size of the registers > +- interrupts: The interrupt number > + See bindings/interrupt-controller/brcm,bcm2835-armctrl-ic.txt > +- #mbox-cells: Specifies the number of cells needed to encode a mailbox > + channel. The value shall be 1 > Probably also specify what that one-cell value would stand for. > + > +Example: > + > +mailbox: mailbox@7e00b800 { > + compatible = "brcm,bcm2835-mbox"; > + reg = <0x7e00b880 0x40>; > + interrupts = <0 1>; > + #mbox-cells = <1>; > +}; Usually it comes with an example user node as well.
diff --git a/Documentation/devicetree/bindings/mailbox/brcm,bcm2835-mbox.txt b/Documentation/devicetree/bindings/mailbox/brcm,bcm2835-mbox.txt new file mode 100644 index 0000000..0bb2b9d --- /dev/null +++ b/Documentation/devicetree/bindings/mailbox/brcm,bcm2835-mbox.txt @@ -0,0 +1,19 @@ +Broadcom BCM2835 VideoCore mailbox IPC + +Required properties: + +- compatible: Should be "brcm,bcm2835-mbox" +- reg: Specifies base physical address and size of the registers +- interrupts: The interrupt number + See bindings/interrupt-controller/brcm,bcm2835-armctrl-ic.txt +- #mbox-cells: Specifies the number of cells needed to encode a mailbox + channel. The value shall be 1 + +Example: + +mailbox: mailbox@7e00b800 { + compatible = "brcm,bcm2835-mbox"; + reg = <0x7e00b880 0x40>; + interrupts = <0 1>; + #mbox-cells = <1>; +};