Re: [PATCH 1/3] dt-bindings: Add document of Rockchip mailbox

[Caesar Wang]

I'm missing this patch for long time.

å 2015å10æ06æ 22:50, Rob Herring åé:
> On Mon, Sep 14, 2015 at 6:06 AM, Caesar Wang <wxt@xxxxxxxxxxxxxx> wrote:
> > This add the necessary binding documentation for mailbox
> > found on RK3368 SoC.
> >
> > Signed-off-by: Caesar Wang <wxt@xxxxxxxxxxxxxx>
> > ---
> >
> >   .../bindings/mailbox/rockchip-mailbox.txt          | 33 ++++++++++++++++++++++
> >   1 file changed, 33 insertions(+)
> >   create mode 100644 Documentation/devicetree/bindings/mailbox/rockchip-mailbox.txt
> >
> > diff --git a/Documentation/devicetree/bindings/mailbox/rockchip-mailbox.txt b/Documentation/devicetree/bindings/mailbox/rockchip-mailbox.txt
> > new file mode 100644
> > index 0000000..b9b4768
> > --- /dev/null
> > +++ b/Documentation/devicetree/bindings/mailbox/rockchip-mailbox.txt
> > @@ -0,0 +1,33 @@
> > +Rockchip mailbox
> > +
> > +The Rockchip mailbox is used by the Rockchip CPU cores to communicate
> > +requests to MCU processor.
> > +
> > +Refer to ./mailbox.txt for generic information about mailbox device-tree
> > +bindings.
> > +
> > +Required properties:
> > +
> > + - compatible: should be one of the following.
> > +   - "rockchip,rk3368-mbox" for rk3368
> > + - reg: physical base address of the controller and length of memory mapped
> > +       region.
> > +       physical base address of the share buffer and length of memory mapped
> s/share/shared/

Done.

> > +       region.
> > + - interrupts: The interrupt number to the cpu. The interrupt specifier format
> > +       depends on the interrupt controller.
> Need to specify the value of #mbox-cells.

Done.
> > +
> > +Example:
> > +--------
> > +
> > +/* RK3368 */
> > +mbox: mbox@ff6b0000 {
> > +       compatible = "rockchip,rk3368-mailbox";
> > +       reg = <0x0 0xff6b0000 0x0 0x1000>,
> > +             <0x0 0xff8cf000 0x0 0x1000>; /* the end 4k of sram */
> If this is just onchip SRAM usable for anything, then use the SRAM
> binding (misc/sram.txt). It has provisions for defining the use.

Okay,  we don't need define the shared-sram in this document.

> > +       interrupts = <GIC_SPI 146 IRQ_TYPE_LEVEL_HIGH>,
> > +                    <GIC_SPI 147 IRQ_TYPE_LEVEL_HIGH>,
> > +                    <GIC_SPI 148 IRQ_TYPE_LEVEL_HIGH>,
> > +                    <GIC_SPI 149 IRQ_TYPE_LEVEL_HIGH>;
> > +       #mbox-cells = <1>;
> > +};
> > --
> > 1.9.1
> _______________________________________________
> Linux-rockchip mailing list
> Linux-rockchip@xxxxxxxxxxxxxxxxxxx
> http://lists.infradead.org/mailman/listinfo/linux-rockchip


--
Thanks,
Caesar

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/