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Date: Tue, 15 Feb 2022 14:50:42 +0100 From: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com> To: "allen-kh.cheng" <allen-kh.cheng@...iatek.com>, Jassi Brar <jassisinghbrar@...il.com>, Rob Herring <robh+dt@...nel.org>, Matthias Brugger <matthias.bgg@...il.com> Cc: Linux-ALSA <alsa-devel@...a-project.org>, tzungbi@...gle.com, cujomalainey@...gle.com, Pierre-Louis Bossart <pierre-louis.bossart@...ux.intel.com>, Liam Girdwood <lgirdwood@...il.com>, Ranjani Sridharan <ranjani.sridharan@...ux.intel.com>, Kai Vehmanen <kai.vehmanen@...ux.intel.com>, Daniel Baluta <daniel.baluta@....com>, Mark Brown <broonie@...nel.org>, Jaroslav Kysela <perex@...ex.cz>, Takashi Iwai <tiwai@...e.com>, Chen-Yu Tsai <wenst@...omium.org>, Kevin Hilman <khilman@...libre.com>, Project_Global_Chrome_Upstream_Group@...iatek.com, linux-kernel@...r.kernel.org, devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org, linux-mediatek@...ts.infradead.org, sound-open-firmware@...a-project.org Subject: Re: [PATCH v17 1/2] dt-bindings: mailbox: add mtk adsp-mbox document Il 28/01/22 12:08, allen-kh.cheng ha scritto: > From: Allen-KH Cheng <Allen-KH.Cheng@...iatek.com> > > This patch adds document for mediatek adsp mbox > > Signed-off-by: Allen-KH Cheng <Allen-KH.Cheng@...iatek.com> Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com> > --- > .../bindings/mailbox/mtk,adsp-mbox.yaml | 52 +++++++++++++++++++ > 1 file changed, 52 insertions(+) > create mode 100644 Documentation/devicetree/bindings/mailbox/mtk,adsp-mbox.yaml > > diff --git a/Documentation/devicetree/bindings/mailbox/mtk,adsp-mbox.yaml b/Documentation/devicetree/bindings/mailbox/mtk,adsp-mbox.yaml > new file mode 100644 > index 000000000000..25756837797f > --- /dev/null > +++ b/Documentation/devicetree/bindings/mailbox/mtk,adsp-mbox.yaml > @@ -0,0 +1,52 @@ > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/mailbox/mtk,adsp-mbox.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: Mediatek ADSP mailbox > + > +maintainers: > + - Allen-KH Cheng <Allen-KH.Cheng@...iatek.com> > + > +description: | > + The MTK ADSP mailbox Inter-Processor Communication (IPC) enables the SoC > + to ommunicate with ADSP by passing messages through two mailbox channels. > + The MTK ADSP mailbox IPC also provides the ability for one processor to > + signal the other processor using interrupts. > + > +properties: > + compatible: > + items: > + - const: mediatek,mt8195-adsp-mbox > + > + "#mbox-cells": > + const: 0 > + > + reg: > + description: > + Physical address base for dsp mbox registers. > + > + interrupts: > + description: > + adsp mbox interrupt > + > +required: > + - compatible > + - "#mbox-cells" > + - reg > + - interrupts > + > +additionalProperties: false > + > +examples: > + - | > + #include <dt-bindings/interrupt-controller/arm-gic.h> > + #include <dt-bindings/interrupt-controller/irq.h> > + > + adsp_mailbox0:mailbox@...16000 { > + compatible = "mediatek,mt8195-adsp-mbox"; > + #mbox-cells = <0>; > + reg = <0x10816000 0x1000>; > + interrupts = <GIC_SPI 702 IRQ_TYPE_LEVEL_HIGH 0>; > + };
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