On Wed, 2025-03-05 at 10:46 -0600, Rob Herring wrote: > External email : Please do not click links or open attachments until > you have verified the sender or the content. > > > On Wed, Mar 05, 2025 at 04:20:40PM +0800, Jjian Zhou wrote: > > This patch adds document for mediatek vcp mbox. > > > > Signed-off-by: Jjian Zhou <jjian.zhou@xxxxxxxxxxxx> > > --- > > .../bindings/mailbox/mtk,vcp-mbox.yaml | 49 > > +++++++++++++++++++ > > 1 file changed, 49 insertions(+) > > create mode 100644 > > Documentation/devicetree/bindings/mailbox/mtk,vcp-mbox.yaml > > > > diff --git a/Documentation/devicetree/bindings/mailbox/mtk,vcp- > > mbox.yaml b/Documentation/devicetree/bindings/mailbox/mtk,vcp- > > mbox.yaml > > new file mode 100644 > > index 000000000000..d5afe295af14 > > --- /dev/null > > +++ b/Documentation/devicetree/bindings/mailbox/mtk,vcp-mbox.yaml > > @@ -0,0 +1,49 @@ > > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) > > +%YAML 1.2 > > +--- > > +$id: > > https://urldefense.com/v3/__http://devicetree.org/schemas/mailbox/mtk,vcp-mbox.yaml*__;Iw!!CTRNKA9wMg0ARbw!htNQU7pv2prgWsEynW_fNKiBzXFsvuzVqq3plpilj-I6ntUDcorXT7c-aSh8ulpfXX4MyEaMLa_NNu15$ > > +$schema: > > https://urldefense.com/v3/__http://devicetree.org/meta-schemas/core.yaml*__;Iw!!CTRNKA9wMg0ARbw!htNQU7pv2prgWsEynW_fNKiBzXFsvuzVqq3plpilj-I6ntUDcorXT7c-aSh8ulpfXX4MyEaMLfOSittN$ > > + > > +title: MediaTek Video Companion Processor (VCP) mailbox > > + > > +maintainers: > > + - Jjian Zhou <Jjian.Zhou@xxxxxxxxxxxx> > > + > > +description: | > > Don't need '|' if no formatting I will remove it in version-two. Thanks for your help. > > > + The MTK VCP mailbox enables the SoC to communicate with the VCP > > by passing > > + messages through 64 32-bit wide registers. It has 32 interrupt > > vectors in > > + either direction for signalling purposes. > > + > > +properties: > > + compatible: > > + enum: > > + - mediatek,mt8196-vcp-mbox > > + > > + reg: > > + maxItems: 1 > > + > > + interrupts: > > + maxItems: 1 > > + > > + "#mbox-cells": > > + const: 0 > > + > > +required: > > + - compatible > > + - reg > > + - interrupts > > + - "#mbox-cells" > > + > > +additionalProperties: false > > + > > +examples: > > + - | > > + #include <dt-bindings/interrupt-controller/arm-gic.h> > > + #include <dt-bindings/interrupt-controller/irq.h> > > + > > + vcp_mailbox0: mailbox@31b80000 { > > + compatible = "mediatek,mt8196-vcp-mbox"; > > + reg = <0x31b80000 0x1000>; > > + interrupts = <GIC_SPI 789 IRQ_TYPE_LEVEL_HIGH 0>; > > + #mbox-cells = <0>; > > + }; > > -- > > 2.45.2 > >
