linux-kernel - [PATCH v3 1/5] dt-bindings: bus: Add firewall bindings

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Date:   Tue, 5 May 2020 09:33:04 +0200
From:   Benjamin Gaignard <benjamin.gaignard@...com>
To:     <robh+dt@...nel.org>, <mcoquelin.stm32@...il.com>,
        <alexandre.torgue@...com>, <gregkh@...uxfoundation.org>,
        <loic.pallardy@...com>, <linus.walleij@...aro.org>
CC:     <devicetree@...r.kernel.org>,
        <linux-stm32@...md-mailman.stormreply.com>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>,
        Benjamin Gaignard <benjamin.gaignard@...com>
Subject: [PATCH v3 1/5] dt-bindings: bus: Add firewall bindings

Add schemas for firewall consumer and provider.

Signed-off-by: Benjamin Gaignard <benjamin.gaignard@...com>
Reviewed-by: Linus Walleij <linus.walleij@...aro.org>
---
version 3:
- add description in firewall consumer bindings
- add Linus reviewed-by tag

 .../bindings/bus/stm32/firewall-consumer.yaml      | 36 ++++++++++++++++++++++
 .../bindings/bus/stm32/firewall-provider.yaml      | 18 +++++++++++
 2 files changed, 54 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/bus/stm32/firewall-consumer.yaml
 create mode 100644 Documentation/devicetree/bindings/bus/stm32/firewall-provider.yaml

diff --git a/Documentation/devicetree/bindings/bus/stm32/firewall-consumer.yaml b/Documentation/devicetree/bindings/bus/stm32/firewall-consumer.yaml
new file mode 100644
index 000000000000..d3d76f99b38d
--- /dev/null
+++ b/Documentation/devicetree/bindings/bus/stm32/firewall-consumer.yaml
@@ -0,0 +1,36 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/bus/stm32/firewall-consumer.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Common Bus Firewall consumer binding
+
+description: |
+  Firewall properties provide the possible firewall bus controller
+  configurations for a device.
+  Bus firewall controllers are typically used to control if a hardware
+  block can perform read or write operations on bus.
+  The contents of the firewall bus configuration properties are defined by
+  the binding for the individual firewall controller device.
+
+  The first configuration 'firewall-0' or the one named 'default' is
+  applied before probing the device itself.
+
+maintainers:
+  - Benjamin Gaignard <benjamin.gaignard@...com>
+
+# always select the core schema
+select: true
+
+properties:
+  firewall-0: true
+
+  firewall-names: true
+
+patternProperties:
+  "firewall-[0-9]":
+    $ref: "/schemas/types.yaml#/definitions/phandle-array"
+
+dependencies:
+  firewall-names: [ firewall-0 ]
diff --git a/Documentation/devicetree/bindings/bus/stm32/firewall-provider.yaml b/Documentation/devicetree/bindings/bus/stm32/firewall-provider.yaml
new file mode 100644
index 000000000000..299824c620ea
--- /dev/null
+++ b/Documentation/devicetree/bindings/bus/stm32/firewall-provider.yaml
@@ -0,0 +1,18 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/bus/stm32/firewall-provider.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Common Bus Firewall provider binding
+
+maintainers:
+  - Benjamin Gaignard <benjamin.gaignard@...com>
+
+properties:
+  '#firewall-cells':
+     $ref: /schemas/types.yaml#/definitions/uint32
+     description: Number of cells in a bus firewall specifier
+
+required:
+  - '#firewall-cells'
-- 
2.15.0