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Message-Id: <20240131-mbly-clk-v4-3-bcd00510d6a0@bootlin.com>
Date: Wed, 31 Jan 2024 17:26:16 +0100
From: Théo Lebrun <theo.lebrun@...tlin.com>
To: Gregory CLEMENT <gregory.clement@...tlin.com>,
Michael Turquette <mturquette@...libre.com>,
Stephen Boyd <sboyd@...nel.org>, Rob Herring <robh+dt@...nel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
Conor Dooley <conor+dt@...nel.org>,
Thomas Bogendoerfer <tsbogend@...ha.franken.de>,
Linus Walleij <linus.walleij@...aro.org>,
Rafał Miłecki <rafal@...ecki.pl>,
Philipp Zabel <p.zabel@...gutronix.de>
Cc: Vladimir Kondratiev <vladimir.kondratiev@...ileye.com>,
linux-mips@...r.kernel.org, linux-clk@...r.kernel.org,
devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
Thomas Petazzoni <thomas.petazzoni@...tlin.com>,
Tawfik Bayouk <tawfik.bayouk@...ileye.com>, linux-gpio@...r.kernel.org,
Théo Lebrun <theo.lebrun@...tlin.com>
Subject: [PATCH v4 03/18] dt-bindings: pinctrl: allow pin controller device
without unit address
Allow a pin controller device to have no address, therefore no unit
address.
The previous $nodename was enforcing a unit address, but
scripts/dtc/checks.c enforced that names with unit addresses have reg
or ranges:
Warning (unit_address_vs_reg): .../pinctrl@0: node has a unit
name, but no reg or ranges property
Fix pinctrl.yaml to adopt a (pinctrl|pinmux)(-[a-z]+)? node name when
neither reg nor ranges are required. Use [a-z]+ to avoid conflicts with
pinctrl-consumer.yaml.
Signed-off-by: Théo Lebrun <theo.lebrun@...tlin.com>
---
Documentation/devicetree/bindings/pinctrl/pinctrl.yaml | 18 +++++++++++++++---
1 file changed, 15 insertions(+), 3 deletions(-)
diff --git a/Documentation/devicetree/bindings/pinctrl/pinctrl.yaml b/Documentation/devicetree/bindings/pinctrl/pinctrl.yaml
index d471563119a9..3d977b54e260 100644
--- a/Documentation/devicetree/bindings/pinctrl/pinctrl.yaml
+++ b/Documentation/devicetree/bindings/pinctrl/pinctrl.yaml
@@ -26,9 +26,6 @@ description: |
controller device.
properties:
- $nodename:
- pattern: "^(pinctrl|pinmux)(@[0-9a-f]+)?$"
-
"#pinctrl-cells":
description: >
Number of pin control cells in addition to the index within the pin
@@ -42,4 +39,19 @@ properties:
This property can be set either globally for the pin controller or in
child nodes for individual pin group control.
+if:
+ anyOf:
+ - required:
+ - reg
+ - required:
+ - ranges
+then:
+ properties:
+ $nodename:
+ pattern: "^(pinctrl|pinmux)(@[0-9a-f]+)?$"
+else:
+ properties:
+ $nodename:
+ pattern: "^(pinctrl|pinmux)(-[a-z]+)?$"
+
additionalProperties: true
--
2.43.0
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