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Message-Id: <20230915201520.4179115-1-robh@kernel.org>
Date: Fri, 15 Sep 2023 15:15:05 -0500
From: Rob Herring <robh@...nel.org>
To: Linus Walleij <linus.walleij@...aro.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
Conor Dooley <conor+dt@...nel.org>, Lee Jones <lee@...nel.org>
Cc: linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org
Subject: [PATCH] dt-bindings: mfd: armltd: Move Arm board syscon's to separate schema
The Arm Ltd board bindings are a bit unusual in that they define child
nodes for various syscon's. The schemas are also incomplete as they lack
constraints on having additional properties and some properties are
missing. As the bindings for the different platforms only vary by
compatibles, combine them into a single schema doc.
Add the "arm,im-pd1-syscon" compatible which was not documented. Add
"ranges", "#address-cells", and "#size-cells properties which were
missing.
Signed-off-by: Rob Herring <robh@...nel.org>
---
.../bindings/arm/arm,integrator.yaml | 39 -----------
.../devicetree/bindings/arm/arm,realview.yaml | 37 ----------
.../bindings/arm/arm,versatile.yaml | 40 +++--------
.../mfd/arm,dev-platforms-syscon.yaml | 67 +++++++++++++++++++
4 files changed, 75 insertions(+), 108 deletions(-)
create mode 100644 Documentation/devicetree/bindings/mfd/arm,dev-platforms-syscon.yaml
diff --git a/Documentation/devicetree/bindings/arm/arm,integrator.yaml b/Documentation/devicetree/bindings/arm/arm,integrator.yaml
index 98ff5698ae1f..1bdbd1b7ee38 100644
--- a/Documentation/devicetree/bindings/arm/arm,integrator.yaml
+++ b/Documentation/devicetree/bindings/arm/arm,integrator.yaml
@@ -40,45 +40,6 @@ properties:
items:
- const: arm,integrator-sp
- core-module@...00000:
- type: object
- description: the root node in the Integrator platforms must contain
- a core module child node. They are always at physical address
- 0x10000000 in all the Integrator variants.
- properties:
- compatible:
- items:
- - const: arm,core-module-integrator
- - const: syscon
- - const: simple-mfd
- reg:
- maxItems: 1
-
- required:
- - compatible
- - reg
-
-patternProperties:
- "^syscon@[0-9a-f]+$":
- description: All Integrator boards must provide a system controller as a
- node in the root of the device tree.
- type: object
- properties:
- compatible:
- items:
- - enum:
- - arm,integrator-ap-syscon
- - arm,integrator-cp-syscon
- - arm,integrator-sp-syscon
- - const: syscon
- reg:
- maxItems: 1
-
- required:
- - compatible
- - reg
-
-
required:
- compatible
- core-module@...00000
diff --git a/Documentation/devicetree/bindings/arm/arm,realview.yaml b/Documentation/devicetree/bindings/arm/arm,realview.yaml
index 8d3ed2e4ed31..d1bdee98f9af 100644
--- a/Documentation/devicetree/bindings/arm/arm,realview.yaml
+++ b/Documentation/devicetree/bindings/arm/arm,realview.yaml
@@ -75,43 +75,6 @@ properties:
type: object
description: All RealView boards must provide a syscon system controller
node inside the soc node.
- properties:
- compatible:
- oneOf:
- - items:
- - const: arm,realview-eb11mp-revb-syscon
- - const: arm,realview-eb-syscon
- - const: syscon
- - const: simple-mfd
- - items:
- - const: arm,realview-eb11mp-revc-syscon
- - const: arm,realview-eb-syscon
- - const: syscon
- - const: simple-mfd
- - items:
- - const: arm,realview-eb-syscon
- - const: syscon
- - const: simple-mfd
- - items:
- - const: arm,realview-pb1176-syscon
- - const: syscon
- - const: simple-mfd
- - items:
- - const: arm,realview-pb11mp-syscon
- - const: syscon
- - const: simple-mfd
- - items:
- - const: arm,realview-pba8-syscon
- - const: syscon
- - const: simple-mfd
- - items:
- - const: arm,realview-pbx-syscon
- - const: syscon
- - const: simple-mfd
-
- required:
- - compatible
- - reg
required:
- compatible
diff --git a/Documentation/devicetree/bindings/arm/arm,versatile.yaml b/Documentation/devicetree/bindings/arm/arm,versatile.yaml
index 13e52ba92060..7a3caf6af200 100644
--- a/Documentation/devicetree/bindings/arm/arm,versatile.yaml
+++ b/Documentation/devicetree/bindings/arm/arm,versatile.yaml
@@ -14,6 +14,14 @@ description: |+
with various pluggable interface boards, in essence the Versatile PB version
is a superset of the Versatile AB version.
+ The root node in the Versatile platforms must contain a core module child
+ node. They are always at physical address 0x10000000 in all the Versatile
+ variants.
+
+ When fitted with the IB2 Interface Board, the Versatile AB will present an
+ optional system controller node which controls the extra peripherals on the
+ interface board.
+
properties:
$nodename:
const: '/'
@@ -32,38 +40,6 @@ properties:
items:
- const: arm,versatile-pb
- core-module@...00000:
- type: object
- description: the root node in the Versatile platforms must contain
- a core module child node. They are always at physical address
- 0x10000000 in all the Versatile variants.
- properties:
- compatible:
- items:
- - const: arm,core-module-versatile
- - const: syscon
- - const: simple-mfd
- reg:
- maxItems: 1
-
- required:
- - compatible
- - reg
-
-patternProperties:
- "^syscon@[0-9a-f]+$":
- type: object
- description: When fitted with the IB2 Interface Board, the Versatile
- AB will present an optional system controller node which controls the
- extra peripherals on the interface board.
- properties:
- compatible:
- contains:
- const: arm,versatile-ib2-syscon
- required:
- - compatible
- - reg
-
required:
- compatible
- core-module@...00000
diff --git a/Documentation/devicetree/bindings/mfd/arm,dev-platforms-syscon.yaml b/Documentation/devicetree/bindings/mfd/arm,dev-platforms-syscon.yaml
new file mode 100644
index 000000000000..46b164ae0831
--- /dev/null
+++ b/Documentation/devicetree/bindings/mfd/arm,dev-platforms-syscon.yaml
@@ -0,0 +1,67 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/mfd/arm,dev-platforms-syscon.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Arm Ltd Developer Platforms System Controllers
+
+maintainers:
+ - Linus Walleij <linus.walleij@...aro.org>
+
+description:
+ The Arm Ltd Integrator, Realview, and Versatile families of developer
+ platforms are contain various system controller blocks. Often these blocks
+ are part of a daughterboard or motherboard module.
+
+properties:
+ compatible:
+ oneOf:
+ - items:
+ - enum:
+ - arm,integrator-ap-syscon
+ - arm,integrator-cp-syscon
+ - arm,integrator-sp-syscon
+ - arm,im-pd1-syscon
+ - const: syscon
+ - items:
+ - enum:
+ - arm,core-module-integrator
+ - arm,integrator-ap-syscon
+ - arm,integrator-cp-syscon
+ - arm,integrator-sp-syscon
+ - arm,realview-eb-syscon
+ - arm,realview-pb1176-syscon
+ - arm,realview-pb11mp-syscon
+ - arm,realview-pba8-syscon
+ - arm,realview-pbx-syscon
+ - arm,versatile-ib2-syscon
+ - const: syscon
+ - const: simple-mfd
+ - items:
+ - enum:
+ - arm,realview-eb11mp-revb-syscon
+ - arm,realview-eb11mp-revc-syscon
+ - const: arm,realview-eb-syscon
+ - const: syscon
+ - const: simple-mfd
+
+ reg:
+ maxItems: 1
+
+ ranges: true
+
+ '#address-cells':
+ const: 1
+
+ '#size-cells':
+ const: 1
+
+required:
+ - compatible
+ - reg
+
+additionalProperties:
+ type: object
+
+...
--
2.40.1
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