From: allen-kh.cheng <allen-kh.cheng@mediatek.com>
To: Mark Brown <broonie@kernel.org>, Rob Herring <robh+dt@kernel.org>,
Matthias Brugger <matthias.bgg@gmail.com>,
Jassi Brar <jassisinghbrar@gmail.com>
Cc: devicetree@vger.kernel.org,
Linux-ALSA <alsa-devel@alsa-project.org>,
Allen-KH Cheng <Allen-KH.Cheng@mediatek.com>,
Kai Vehmanen <kai.vehmanen@linux.intel.com>,
Liam Girdwood <lgirdwood@gmail.com>,
cujomalainey@google.com, linux-kernel@vger.kernel.org,
Takashi Iwai <tiwai@suse.com>,
Ranjani Sridharan <ranjani.sridharan@linux.intel.com>,
Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>,
Project_Global_Chrome_Upstream_Group@mediatek.com,
tzungbi@google.com, linux-mediatek@lists.infradead.org,
Daniel Baluta <daniel.baluta@nxp.com>,
linux-arm-kernel@lists.infradead.org,
sound-open-firmware@alsa-project.org
Subject: [PATCH v8 1/3] dt-bindings: mediatek: add adsp-mbox document
Date: Mon, 29 Nov 2021 18:19:43 +0800 [thread overview]
Message-ID: <20211129101946.6008-2-allen-kh.cheng@mediatek.com> (raw)
In-Reply-To: <20211129101946.6008-1-allen-kh.cheng@mediatek.com>
From: Allen-KH Cheng <Allen-KH.Cheng@mediatek.com>
This patch adds document for mediatek adsp mbox
Signed-off-by: Allen-KH Cheng <Allen-KH.Cheng@mediatek.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@mediatek.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@10816000 {
+ compatible = "mediatek,mt8195-adsp-mbox";
+ #mbox-cells = <0>;
+ reg = <0x10816000 0x1000>;
+ interrupts = <GIC_SPI 702 IRQ_TYPE_LEVEL_HIGH 0>;
+ };
--
2.18.0
next prev parent reply other threads:[~2021-11-29 10:21 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-11-29 10:19 [PATCH v8 0/3] This patches provide ADSP IPC support for MT8195 allen-kh.cheng
2021-11-29 10:19 ` allen-kh.cheng [this message]
2021-11-29 10:19 ` [PATCH v8 2/3] firmware: mediatek: add adsp ipc protocol interface allen-kh.cheng
2021-11-29 10:19 ` [PATCH v8 3/3] mailbox: mediatek: add support for adsp mailbox controller allen-kh.cheng
2021-11-30 8:43 ` Tzung-Bi Shih
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