linux-kernel - [PATCH v4 1/3] dt-bindings: reset: syscon-reboot: Add priority property

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Message-Id: <20221226114513.4569-1-pali@kernel.org>
Date:   Mon, 26 Dec 2022 12:45:11 +0100
From:   Pali Rohár <pali@...nel.org>
To:     "Krzysztof Kozlowski" <krzysztof.kozlowski+dt@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Sebastian Reichel <sre@...nel.org>
Cc:     linux-pm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH v4 1/3] dt-bindings: reset: syscon-reboot: Add priority property

This new optional priority property allows to specify custom priority level
of reset device. Prior this change priority level was hardcoded to 192 and
not possible to specify or change. Specifying other value is needed for
some boards. Default level when not specified stays at 192 as before.

Signed-off-by: Pali Rohár <pali@...nel.org>

---
Changes in v4:
* Use restart-handler.yaml

Changes in v3:
* Add explanation into commit message

Changes in v2:
* Change sint32 to int32
* Add default
---
 .../devicetree/bindings/power/reset/syscon-reboot.yaml      | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/Documentation/devicetree/bindings/power/reset/syscon-reboot.yaml b/Documentation/devicetree/bindings/power/reset/syscon-reboot.yaml
index da2509724812..f721bdf63a98 100644
--- a/Documentation/devicetree/bindings/power/reset/syscon-reboot.yaml
+++ b/Documentation/devicetree/bindings/power/reset/syscon-reboot.yaml
@@ -19,6 +19,9 @@ description: |+
   sub-node of a "syscon", "simple-mfd" node. Though the regmap property
   pointing to the system controller node is also supported.
 
+allOf:
+  - $ref: restart-handler.yaml#
+
 properties:
   compatible:
     const: syscon-reboot
@@ -42,6 +45,9 @@ properties:
     $ref: /schemas/types.yaml#/definitions/uint32
     description: The reset value written to the reboot register (32 bit access).
 
+  priority:
+    default: 192
+
 required:
   - compatible
   - offset
-- 
2.20.1