Commit afa092e1 authored by Allen-KH Cheng's avatar Allen-KH Cheng Committed by Jassi Brar
Browse files

dt-bindings: mailbox: mtk,adsp-mbox: add mtk adsp-mbox document 



This patch adds document for mediatek adsp mbox

Signed-off-by: default avatarAllen-KH Cheng <allen-kh.cheng@mediatek.com>
Reviewed-by: default avatarAngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Reviewed-by: default avatarRob Herring <robh@kernel.org>
Signed-off-by: default avatarJassi Brar <jaswinder.singh@linaro.org>
parent 5c0fab31

Documentation/devicetree/bindings/mailbox/mtk,adsp-mbox.yaml

0 → 100644
+50 −0
Original line number Diff line number Diff line 
# 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:

    maxItems: 1



  interrupts:

    maxItems: 1



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>;

    };