From d84e806c34e1ef5c3445c52abb2e662bae80e78f Mon Sep 17 00:00:00 2001 From: Gerard Marull-Paretas Date: Wed, 21 Feb 2024 16:12:50 +0100 Subject: [PATCH] dts: bindings: mbox: add nordic,nrf-vevif-local|remote Add a new binding for Nordic VEVIF (VPR Event Interface) (local and remote modes). Signed-off-by: Gerard Marull-Paretas --- .../mbox/nordic,nrf-vevif-common.yaml | 18 +++++++++++ dts/bindings/mbox/nordic,nrf-vevif-local.yaml | 32 +++++++++++++++++++ .../mbox/nordic,nrf-vevif-remote.yaml | 29 +++++++++++++++++ 3 files changed, 79 insertions(+) create mode 100644 dts/bindings/mbox/nordic,nrf-vevif-common.yaml create mode 100644 dts/bindings/mbox/nordic,nrf-vevif-local.yaml create mode 100644 dts/bindings/mbox/nordic,nrf-vevif-remote.yaml diff --git a/dts/bindings/mbox/nordic,nrf-vevif-common.yaml b/dts/bindings/mbox/nordic,nrf-vevif-common.yaml new file mode 100644 index 00000000000..b7cb15457f6 --- /dev/null +++ b/dts/bindings/mbox/nordic,nrf-vevif-common.yaml @@ -0,0 +1,18 @@ +# Copyright (c) 2024 Nordic Semiconductor ASA +# SPDX-License-Identifier: Apache-2.0 + +include: mailbox-controller.yaml + +properties: + nordic,tasks: + type: int + required: true + description: Number of tasks supported by the VEVIF instance. + + nordic,tasks-mask: + type: int + required: true + description: Mask of tasks supported by the VEVIF instance. + +mbox-cells: + - channel diff --git a/dts/bindings/mbox/nordic,nrf-vevif-local.yaml b/dts/bindings/mbox/nordic,nrf-vevif-local.yaml new file mode 100644 index 00000000000..5d23cfdcf1e --- /dev/null +++ b/dts/bindings/mbox/nordic,nrf-vevif-local.yaml @@ -0,0 +1,32 @@ +# Copyright (c) 2024 Nordic Semiconductor ASA +# SPDX-License-Identifier: Apache-2.0 + +description: | + Nordic VEVIF (VPR Event Interface) - Local + + VEVIF is an event interface for VPR, allowing connection to the domain's DPPI + system. VEVIF can also generate IRQs to other CPUs. + + Example definition: + + cpuppr: cpu@d { + ... + cpuppr_vevif_local: mailbox { + compatible = "nordic,nrf-vevif-local"; + interrupts = <0 NRF_DEFAULT_IRQ_PRIORITY>, + <1 NRF_DEFAULT_IRQ_PRIORITY>, + ... + ; + #mbox-cells = <1>; + nordic,tasks = <16>; + nordic,tasks-mask: <0xfffffff0>; + }; + }; + +compatible: "nordic,nrf-vevif-local" + +include: [base.yaml, "nordic,nrf-vevif-common.yaml"] + +properties: + interrupts: + required: true diff --git a/dts/bindings/mbox/nordic,nrf-vevif-remote.yaml b/dts/bindings/mbox/nordic,nrf-vevif-remote.yaml new file mode 100644 index 00000000000..07522fed99d --- /dev/null +++ b/dts/bindings/mbox/nordic,nrf-vevif-remote.yaml @@ -0,0 +1,29 @@ +# Copyright (c) 2024 Nordic Semiconductor ASA +# SPDX-License-Identifier: Apache-2.0 + +description: | + Nordic VEVIF (VPR Event Interface) - Remote + + VEVIF is an event interface for VPR, allowing connection to the domain's DPPI + system. VEVIF can also generate IRQs to other CPUs. + + Example definition: + + cpuppr_vpr: vpr@deadbeef{ + ... + cpuppr_vevif_remote: mailbox@0 { + compatible = "nordic,nrf-vevif-remote"; + reg = <0x0 0x1000>; + #mbox-cells = <1>; + nordic,tasks = <16>; + nordic,tasks-mask: <0xfffffff0>; + }; + }; + +compatible: "nordic,nrf-vevif-remote" + +include: [base.yaml, "nordic,nrf-vevif-common.yaml"] + +properties: + reg: + required: true