linux-kernel - [PATCH v5 1/6] dt-bindings: reset: syscon-reboot: Add reg property

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Message-ID: <20240925215847.3594898-2-chris.packham@alliedtelesis.co.nz>
Date: Thu, 26 Sep 2024 09:58:42 +1200
From: Chris Packham <chris.packham@...iedtelesis.co.nz>
To: andi.shyti@...nel.org,
	robh@...nel.org,
	krzk+dt@...nel.org,
	conor+dt@...nel.org,
	lee@...nel.org,
	sre@...nel.org,
	tsbogend@...ha.franken.de
Cc: linux-i2c@...r.kernel.org,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	linux-pm@...r.kernel.org,
	linux-mips@...r.kernel.org,
	Chris Packham <chris.packham@...iedtelesis.co.nz>
Subject: [PATCH v5 1/6] dt-bindings: reset: syscon-reboot: Add reg property

The syscon-reboot binding used 'offset' for historical reasons. Having a
reg property is appropriate when these nodes are children of a MMIO bus.
Add a reg property and modify the constraints so that one of 'reg' or
'offset' is expected.

Signed-off-by: Chris Packham <chris.packham@...iedtelesis.co.nz>
---

Notes:
    Changes in v5:
    - New, suggested by Krzysztof

 .../bindings/power/reset/syscon-reboot.yaml           | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/power/reset/syscon-reboot.yaml b/Documentation/devicetree/bindings/power/reset/syscon-reboot.yaml
index 75061124d9a8..19d3093e6cd2 100644
--- a/Documentation/devicetree/bindings/power/reset/syscon-reboot.yaml
+++ b/Documentation/devicetree/bindings/power/reset/syscon-reboot.yaml
@@ -31,6 +31,10 @@ properties:
     $ref: /schemas/types.yaml#/definitions/uint32
     description: Offset in the register map for the reboot register (in bytes).
 
+  reg:
+    maxItems: 1
+    description: Base address and size for the reboot register.
+
   regmap:
     $ref: /schemas/types.yaml#/definitions/phandle
     deprecated: true
@@ -45,9 +49,14 @@ properties:
   priority:
     default: 192
 
+oneOf:
+  - required:
+      - offset
+  - required:
+      - reg
+
 required:
   - compatible
-  - offset
 
 additionalProperties: false
 
-- 
2.46.2