Il 28/01/22 12:08, allen-kh.cheng ha scritto:
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
Reviewed-by: AngeloGioacchino Del Regno angelogioacchino.delregno@collabora.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>;- };