From: Rob Herring <robh+dt@kernel.org>
To: Mark Gross <mgross@linux.intel.com>
Cc: markgross@kernel.org, Arnd Bergmann <arnd@arndb.de>,
Borislav Petkov <bp@suse.de>,
Damien Le Moal <damien.lemoal@wdc.com>,
Dragan Cvetic <dragan.cvetic@xilinx.com>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Jonathan Corbet <corbet@lwn.net>,
Palmer Dabbelt <palmerdabbelt@google.com>,
Paul Walmsley <paul.walmsley@sifive.com>,
Peng Fan <peng.fan@nxp.com>, Shawn Guo <shawnguo@kernel.org>,
Jassi Brar <jassisinghbrar@gmail.com>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
Daniele Alessandrelli <daniele.alessandrelli@intel.com>
Subject: Re: [PATCH v3 02/34] dt-bindings: mailbox: Add Intel VPU IPC mailbox bindings
Date: Tue, 26 Jan 2021 07:44:44 -0600 [thread overview]
Message-ID: <CAL_Jsq+h9gaZuqKRyh2UqRq5FvBGEoeBLn=xF+K8Zu8Cn9norQ@mail.gmail.com> (raw)
In-Reply-To: <20210126054036.61587-3-mgross@linux.intel.com>
On Mon, Jan 25, 2021 at 11:40 PM <mgross@linux.intel.com> wrote:
>
> From: Daniele Alessandrelli <daniele.alessandrelli@intel.com>
>
> Add bindings for the Intel VPU IPC mailbox driver.
Sigh. DT list please so it's in my queue and automated checks run.
> Signed-off-by: Daniele Alessandrelli <daniele.alessandrelli@intel.com>
> ---
> .../mailbox/intel,vpu-ipc-mailbox.yaml | 69 +++++++++++++++++++
> MAINTAINERS | 6 ++
> 2 files changed, 75 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/mailbox/intel,vpu-ipc-mailbox.yaml
>
> diff --git a/Documentation/devicetree/bindings/mailbox/intel,vpu-ipc-mailbox.yaml b/Documentation/devicetree/bindings/mailbox/intel,vpu-ipc-mailbox.yaml
> new file mode 100644
> index 000000000000..923a6d619a64
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/mailbox/intel,vpu-ipc-mailbox.yaml
> @@ -0,0 +1,69 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +# Copyright (c) 2020 Intel Corporation
> +%YAML 1.2
> +---
> +$id: "http://devicetree.org/schemas/mailbox/intel,vpu-ipc-mailbox.yaml#"
> +$schema: "http://devicetree.org/meta-schemas/core.yaml#"
> +
> +title: Intel VPU IPC mailbox
> +
> +maintainers:
> + - Daniele Alessandrelli <daniele.alessandrelli@intel.com>
> +
> +description: |
> + Intel VPU SoCs like Keem Bay have hardware FIFOs to enable Inter-Processor
> + Communication (IPC) between the CPU and the VPU.
> +
> + Specifically, there is one HW FIFO for the CPU (aka Application Processor -
> + AP) and one for the VPU. Each FIFO can hold 128 entries of 32 bits each. A
> + "FIFO-not-empty" interrupt is raised every time there is at least a message
> + in the FIFO. The CPU FIFO raises interrupts to the CPU, while the VPU FIFO
> + raises interrupts to VPU. When the CPU wants to send a message to the VPU it
> + writes to the VPU FIFO, similarly, when the VPU want to send a message to the
> + CPU, it writes to the CPU FIFO.
> +
> + Refer to ./mailbox.txt for generic information about mailbox device-tree
> + bindings.
> +
> +properties:
> + compatible:
> + const: intel,vpu-ipc-mailbox
> +
> + reg:
> + items:
> + - description: The CPU FIFO registers
> + - description: The VPU FIFO registers
> +
> + reg-names:
> + items:
> + - const: cpu_fifo
> + - const: vpu_fifo
> +
> + interrupts:
> + items:
> + - description: CPU FIFO-not-empty interrupt
> +
> + "#mbox-cells":
> + const: 1
> +
> +required:
> + - compatible
> + - reg
> + - reg-names
> + - interrupts
> + - "#mbox-cells"
> +
> +additionalProperties: false
> +
> +examples:
> + - |
> + #include <dt-bindings/interrupt-controller/irq.h>
> + #include <dt-bindings/interrupt-controller/arm-gic.h>
> + vpu_ipc_mailbox@203300f0 {
> + compatible = "intel,vpu-ipc-mailbox";
> + #mbox-cells = <1>;
> + reg = <0x203300f0 0x310>,
> + <0x208200f0 0x310>;
> + reg-names = "cpu_fifo", "vpu_fifo";
> + interrupts = <GIC_SPI 12 IRQ_TYPE_LEVEL_HIGH>;
> + };
> diff --git a/MAINTAINERS b/MAINTAINERS
> index 992fe3b0900a..2b82526a00dc 100644
> --- a/MAINTAINERS
> +++ b/MAINTAINERS
> @@ -9181,6 +9181,12 @@ L: platform-driver-x86@vger.kernel.org
> S: Maintained
> F: drivers/platform/x86/intel-vbtn.c
>
> +INTEL VPU IPC MAILBOX
> +M: Daniele Alessandrelli <daniele.alessandrelli@intel.com>
> +M: Mark Gross <mgross@linux.intel.com>
> +S: Supported
> +F: Documentation/devicetree/bindings/mailbox/intel,vpu-ipc-mailbox.yaml
> +
> INTEL WIRELESS 3945ABG/BG, 4965AGN (iwlegacy)
> M: Stanislaw Gruszka <stf_xl@wp.pl>
> L: linux-wireless@vger.kernel.org
> --
> 2.17.1
>
next prev parent reply other threads:[~2021-01-26 13:46 UTC|newest]
Thread overview: 48+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-01-26 5:40 [PATCH v3 00/34] Intel Vision Processing base enabling mgross
2021-01-26 5:40 ` [PATCH v3 01/34] Add Vision Processing Unit (VPU) documentation mgross
2021-01-26 5:40 ` [PATCH v3 02/34] dt-bindings: mailbox: Add Intel VPU IPC mailbox bindings mgross
2021-01-26 13:44 ` Rob Herring [this message]
2021-01-26 14:47 ` Gross, Mark
2021-01-28 21:42 ` mark gross
2021-01-26 5:40 ` [PATCH v3 03/34] mailbox: vpu-ipc-mailbox: Add support for Intel VPU IPC mailbox mgross
2021-01-26 5:40 ` [PATCH v3 04/34] dt-bindings: Add bindings for Keem Bay IPC driver mgross
2021-01-26 5:40 ` [PATCH v3 05/34] keembay-ipc: Add Keem Bay IPC module mgross
2021-01-26 5:40 ` [PATCH v3 06/34] dt-bindings: Add bindings for Keem Bay VPU IPC driver mgross
2021-01-27 14:00 ` Rob Herring
2021-01-30 2:02 ` mark gross
2021-01-26 5:40 ` [PATCH v3 07/34] keembay-vpu-ipc: Add Keem Bay VPU IPC module mgross
2021-01-26 5:40 ` [PATCH v3 08/34] misc: xlink-pcie: Add documentation for XLink PCIe driver mgross
2021-01-26 5:40 ` [PATCH v3 09/34] misc: xlink-pcie: lh: Add PCIe EPF driver for Local Host mgross
2021-01-26 5:40 ` [PATCH v3 10/34] misc: xlink-pcie: lh: Add PCIe EP DMA functionality mgross
2021-01-26 5:40 ` [PATCH v3 11/34] misc: xlink-pcie: lh: Add core communication logic mgross
2021-01-26 5:40 ` [PATCH v3 12/34] misc: xlink-pcie: lh: Prepare changes for adding remote host driver mgross
2021-01-26 5:40 ` [PATCH v3 13/34] misc: xlink-pcie: rh: Add PCIe EP driver for Remote Host mgross
2021-01-26 5:40 ` [PATCH v3 14/34] misc: xlink-pcie: rh: Add core communication logic mgross
2021-01-26 5:40 ` [PATCH v3 15/34] misc: xlink-pcie: Add XLink API interface mgross
2021-01-26 5:40 ` [PATCH v3 16/34] misc: xlink-pcie: Add asynchronous event notification support for XLink mgross
2021-01-26 5:40 ` [PATCH v3 17/34] xlink-ipc: Add xlink ipc device tree bindings mgross
2021-01-27 14:00 ` Rob Herring
2021-01-26 5:40 ` [PATCH v3 18/34] xlink-ipc: Add xlink ipc driver mgross
2021-01-26 5:40 ` [PATCH v3 19/34] xlink-core: Add xlink core device tree bindings mgross
2021-01-27 14:00 ` Rob Herring
2021-01-26 5:40 ` [PATCH v3 20/34] xlink-core: Add xlink core driver xLink mgross
2021-01-26 5:40 ` [PATCH v3 21/34] xlink-core: Enable xlink protocol over pcie mgross
2021-01-26 5:40 ` [PATCH v3 22/34] xlink-core: Enable VPU IP management and runtime control mgross
2021-01-26 5:40 ` [PATCH v3 23/34] xlink-core: add async channel and events mgross
2021-01-26 5:40 ` [PATCH v3 24/34] dt-bindings: misc: Add Keem Bay vpumgr mgross
2021-01-26 5:40 ` [PATCH v3 25/34] misc: Add Keem Bay VPU manager mgross
2021-01-27 4:31 ` Randy Dunlap
2021-01-26 5:40 ` [PATCH v3 26/34] dt-bindings: misc: intel_tsens: Add tsens thermal bindings documentation mgross
2021-01-26 5:40 ` [PATCH v3 27/34] misc: Tsens ARM host thermal driver mgross
2021-01-26 5:40 ` [PATCH v3 28/34] misc: Intel tsens IA host driver mgross
2021-01-26 5:40 ` [PATCH v3 29/34] Intel tsens i2c slave driver mgross
2021-01-27 4:36 ` Randy Dunlap
2021-01-26 5:40 ` [PATCH v3 30/34] misc:intel_tsens: Intel Keem Bay tsens driver mgross
2021-01-26 5:40 ` [PATCH v3 31/34] Intel Keem Bay XLink SMBus driver mgross
2021-01-27 4:29 ` Randy Dunlap
2021-01-26 5:40 ` [PATCH v3 32/34] dt-bindings: misc: hddl_dev: Add hddl device management documentation mgross
2021-01-26 5:40 ` [PATCH v3 33/34] misc: Hddl device management for local host mgross
2021-01-27 4:34 ` Randy Dunlap
2021-01-26 5:40 ` [PATCH v3 34/34] misc: HDDL device management for IA host mgross
2021-01-27 4:26 ` Randy Dunlap
2021-01-30 2:20 [PATCH v3 00/34] Intel Vision Processing base enabling mgross
2021-01-30 2:20 ` [PATCH v3 02/34] dt-bindings: mailbox: Add Intel VPU IPC mailbox bindings mgross
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