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SubjectRe: [PATCH v6 1/3] dt-bindings: mediatek: add adsp-mbox document
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Il 26/11/21 10:30, 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>
> ---
> .../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..a0149566ae56
> --- /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 base 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:adsp_mailbox0@10816000 {

This should be:

adsp_mailbox0: mailbox@10816000 {

> + compatible = "mediatek,mt8195-adsp-mbox";
> + #mbox-cells = <0>;
> + reg = <0x10816000 0x1000>;
> + interrupts = <GIC_SPI 702 IRQ_TYPE_LEVEL_HIGH 0>;
> + };
>

Regards,
- Angelo

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