From: mgross@linux.intel.com
To: linux-kernel@vger.kernel.org
Cc: markgross@kernel.org, mgross@linux.intel.com,
adam.r.gretzinger@intel.com,
Daniele Alessandrelli <daniele.alessandrelli@intel.com>,
Rob Herring <robh+dt@kernel.org>,
devicetree@vger.kernel.org
Subject: [PATCH 02/22] dt-bindings: Add bindings for Keem Bay IPC driver
Date: Mon, 30 Nov 2020 15:06:47 -0800 [thread overview]
Message-ID: <20201130230707.46351-3-mgross@linux.intel.com> (raw)
In-Reply-To: <20201130230707.46351-1-mgross@linux.intel.com>
From: Daniele Alessandrelli <daniele.alessandrelli@intel.com>
Add DT binding documentation for the Intel Keem Bay IPC driver, which
enables communication between the Computing Sub-System (CSS) and the
Multimedia Sub-System (MSS) of the Intel Movidius SoC code named Keem
Bay.
Cc: Rob Herring <robh+dt@kernel.org>
Cc: devicetree@vger.kernel.org
Reviewed-by: Mark Gross <mgross@linux.intel.com>
Signed-off-by: Daniele Alessandrelli <daniele.alessandrelli@intel.com>
---
.../bindings/soc/intel/intel,keembay-ipc.yaml | 63 +++++++++++++++++++
1 file changed, 63 insertions(+)
create mode 100644 Documentation/devicetree/bindings/soc/intel/intel,keembay-ipc.yaml
diff --git a/Documentation/devicetree/bindings/soc/intel/intel,keembay-ipc.yaml b/Documentation/devicetree/bindings/soc/intel/intel,keembay-ipc.yaml
new file mode 100644
index 000000000000..6e21c54d8f34
--- /dev/null
+++ b/Documentation/devicetree/bindings/soc/intel/intel,keembay-ipc.yaml
@@ -0,0 +1,63 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+# Copyright (C) 2020 Intel Corporation
+%YAML 1.2
+---
+$id: "http://devicetree.org/schemas/soc/intel/intel,keembay-ipc.yaml#"
+$schema: "http://devicetree.org/meta-schemas/core.yaml#"
+
+title: Keem Bay IPC
+
+maintainers:
+ - Daniele Alessandrelli <daniele.alessandrelli@intel.com>
+
+description:
+ The Keem Bay IPC driver enables Inter-Processor Communication (IPC) with the
+ Visual Processor Unit (VPU) embedded in the Intel Movidius SoC code named
+ Keem Bay.
+
+properties:
+ compatible:
+ const: intel,keembay-ipc
+
+ reg:
+ items:
+ - description: The CSS (CPU) FIFO registers
+ - description: The MSS (VPU) FIFO registers
+
+ reg-names:
+ items:
+ - const: css_fifo
+ - const: mss_fifo
+
+ interrupts:
+ items:
+ - description: CSS FIFO not-empty interrupt
+
+ interrupt-controller: true
+
+ memory-region:
+ items:
+ - description: Reserved memory region used for CSS IPC buffers
+ - description: Reserved memory region used for MSS IPC buffers
+
+required:
+ - compatible
+ - reg
+ - reg-names
+ - interrupts
+ - memory-region
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/interrupt-controller/irq.h>
+ #include <dt-bindings/interrupt-controller/arm-gic.h>
+ ipc@203300f0 {
+ compatible = "intel,keembay-ipc";
+ reg = <0x203300f0 0x310>, /* CPU TIM FIFO */
+ <0x208200f0 0x310>; /* VPU TIM FIFO */
+ reg-names = "css_fifo", "mss_fifo";
+ interrupts = <GIC_SPI 12 IRQ_TYPE_LEVEL_HIGH>;
+ memory-region = <&css_ipc_reserved>, <&mss_ipc_reserved>;
+ };
--
2.17.1
next prev parent reply other threads:[~2020-11-30 23:08 UTC|newest]
Thread overview: 41+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-11-30 23:06 [PATCH 00/22] Intel Vision Processing Unit base enabling part 1 mgross
2020-11-30 23:06 ` [PATCH 01/22] Add Vision Processing Unit (VPU) documentation mgross
2020-11-30 23:06 ` mgross [this message]
2020-11-30 23:06 ` [PATCH 03/22] keembay-ipc: Add Keem Bay IPC module mgross
2020-11-30 23:06 ` [PATCH 04/22] dt-bindings: Add bindings for Keem Bay VPU IPC driver mgross
2020-11-30 23:06 ` [PATCH 05/22] keembay-vpu-ipc: Add Keem Bay VPU IPC module mgross
2020-11-30 23:06 ` [PATCH 06/22] misc: xlink-pcie: Add documentation for XLink PCIe driver mgross
2020-11-30 23:06 ` [PATCH 07/22] misc: xlink-pcie: lh: Add PCIe EPF driver for Local Host mgross
2020-12-01 10:13 ` Greg Kroah-Hartman
2020-12-01 17:45 ` mark gross
2020-12-01 17:54 ` Greg Kroah-Hartman
2020-12-01 22:00 ` mark gross
2020-12-01 18:29 ` Dragan Cvetic
2020-12-01 10:17 ` Greg Kroah-Hartman
2020-12-02 16:48 ` Thokala, Srikanth
2020-11-30 23:06 ` [PATCH 08/22] misc: xlink-pcie: lh: Add PCIe EP DMA functionality mgross
2020-11-30 23:06 ` [PATCH 09/22] misc: xlink-pcie: lh: Add core communication logic mgross
2020-12-01 10:15 ` Greg Kroah-Hartman
2020-11-30 23:06 ` [PATCH 10/22] misc: xlink-pcie: lh: Prepare changes for adding remote host driver mgross
2020-11-30 23:06 ` [PATCH 11/22] misc: xlink-pcie: rh: Add PCIe EP driver for Remote Host mgross
2020-11-30 23:06 ` [PATCH 12/22] misc: xlink-pcie: rh: Add core communication logic mgross
2020-11-30 23:06 ` [PATCH 13/22] misc: xlink-pcie: Add XLink API interface mgross
2020-11-30 23:06 ` [PATCH 14/22] misc: xlink-pcie: Add asynchronous event notification support for XLink mgross
2020-11-30 23:07 ` [PATCH 15/22] xlink-ipc: Add xlink ipc device tree bindings mgross
2020-11-30 23:07 ` [PATCH 16/22] xlink-ipc: Add xlink ipc driver mgross
2020-11-30 23:07 ` [PATCH 17/22] xlink-core: Add xlink core device tree bindings mgross
2020-11-30 23:07 ` [PATCH 18/22] xlink-core: Add xlink core driver xLink mgross
2020-11-30 23:07 ` [PATCH 19/22] xlink-core: Enable xlink protocol over pcie mgross
2020-11-30 23:07 ` [PATCH 20/22] xlink-core: Enable VPU IP management and runtime control mgross
2020-11-30 23:07 ` [PATCH 21/22] xlink-core: add async channel and events mgross
2020-11-30 23:07 ` [PATCH 22/22] xlink-core: factorize xlink_ioctl function by creating sub-functions for each ioctl command mgross
2020-12-01 10:14 ` [PATCH 00/22] Intel Vision Processing Unit base enabling part 1 Greg KH
2020-12-01 17:53 ` mark gross
2020-12-01 22:34 mgross
2020-12-01 22:34 ` [PATCH 02/22] dt-bindings: Add bindings for Keem Bay IPC driver mgross
2020-12-07 16:01 ` Rob Herring
2020-12-07 18:22 ` mark gross
2020-12-07 18:42 ` Daniele Alessandrelli
2020-12-07 20:31 ` Jassi Brar
2020-12-09 0:12 ` mark gross
2020-12-09 16:49 ` Jassi Brar
2020-12-09 17:33 ` Rob Herring
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