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