| # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) |
| %YAML 1.2 |
| --- |
| $id: http://devicetree.org/schemas/mailbox/st,sti-mailbox.yaml# |
| $schema: http://devicetree.org/meta-schemas/core.yaml# |
| |
| title: STMicroelectronics Mailbox Driver for STi platform |
| |
| description: |
| Each ST Mailbox IP currently consists of 4 instances of 32 channels. |
| Messages are passed between Application and Remote processors using |
| shared memory. |
| |
| maintainers: |
| - Patrice Chotard <patrice.chotard@foss.st.com> |
| |
| properties: |
| compatible: |
| const: st,stih407-mailbox |
| |
| reg: |
| maxItems: 1 |
| |
| mbox-name: |
| $ref: /schemas/types.yaml#/definitions/string |
| description: name of the mailbox IP |
| |
| interrupts: |
| description: the irq line for the RX mailbox |
| maxItems: 1 |
| |
| "#mbox-cells": |
| const: 2 |
| |
| required: |
| - compatible |
| - reg |
| - "#mbox-cells" |
| |
| additionalProperties: false |
| |
| examples: |
| - | |
| #include <dt-bindings/interrupt-controller/arm-gic.h> |
| mailbox0: mailbox@8f00000 { |
| compatible = "st,stih407-mailbox"; |
| reg = <0x8f00000 0x1000>; |
| interrupts = <GIC_SPI 1 IRQ_TYPE_LEVEL_HIGH>; |
| #mbox-cells = <2>; |
| mbox-name = "a9"; |
| }; |
| |
| ... |