linux-kernel - [PATCH 2/2] dt-bindings: watchdog: qcom,pm8916-wdt: convert to dtschema

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Message-Id: <20220726120215.101868-3-krzysztof.kozlowski@linaro.org>
Date:   Tue, 26 Jul 2022 14:02:15 +0200
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Sebastian Reichel <sre@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Konrad Dybcio <konrad.dybcio@...ainline.org>,
        Wim Van Sebroeck <wim@...ux-watchdog.org>,
        Guenter Roeck <linux@...ck-us.net>,
        Vinod Koul <vkoul@...nel.org>, linux-pm@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-msm@...r.kernel.org, linux-watchdog@...r.kernel.org
Cc:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Subject: [PATCH 2/2] dt-bindings: watchdog: qcom,pm8916-wdt: convert to dtschema

Convert the Qualcomm PM8916 watchdog timer controller bindings to DT
schema and include them in parent device schema.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
---
 .../bindings/power/reset/qcom,pon.yaml        |  4 ++
 .../bindings/watchdog/qcom,pm8916-wdt.txt     | 28 ----------
 .../bindings/watchdog/qcom,pm8916-wdt.yaml    | 51 +++++++++++++++++++
 3 files changed, 55 insertions(+), 28 deletions(-)
 delete mode 100644 Documentation/devicetree/bindings/watchdog/qcom,pm8916-wdt.txt
 create mode 100644 Documentation/devicetree/bindings/watchdog/qcom,pm8916-wdt.yaml

diff --git a/Documentation/devicetree/bindings/power/reset/qcom,pon.yaml b/Documentation/devicetree/bindings/power/reset/qcom,pon.yaml
index e8ecb75155db..e7b436d2e757 100644
--- a/Documentation/devicetree/bindings/power/reset/qcom,pon.yaml
+++ b/Documentation/devicetree/bindings/power/reset/qcom,pon.yaml
@@ -36,6 +36,10 @@ properties:
     type: object
     $ref: /schemas/input/qcom,pm8941-pwrkey.yaml#
 
+  watchdog:
+    type: object
+    $ref: /schemas/watchdog/qcom,pm8916-wdt.yaml
+
 required:
   - compatible
   - reg
diff --git a/Documentation/devicetree/bindings/watchdog/qcom,pm8916-wdt.txt b/Documentation/devicetree/bindings/watchdog/qcom,pm8916-wdt.txt
deleted file mode 100644
index 6fb984f31982..000000000000
--- a/Documentation/devicetree/bindings/watchdog/qcom,pm8916-wdt.txt
+++ /dev/null
@@ -1,28 +0,0 @@
-QCOM PM8916 watchdog timer controller
-
-This pm8916 watchdog timer controller must be under pm8916-pon node.
-
-Required properties:
-- compatible: should be "qcom,pm8916-wdt"
-
-Optional properties :
-- interrupts : Watchdog pre-timeout (bark) interrupt.
-- timeout-sec : Watchdog timeout value in seconds.
-
-Example:
-
-	pm8916_0: pm8916@0 {
-		compatible = "qcom,pm8916", "qcom,spmi-pmic";
-		reg = <0x0 SPMI_USID>;
-
-		pon@800 {
-			compatible = "qcom,pm8916-pon";
-			reg = <0x800>;
-
-			watchdog {
-				compatible = "qcom,pm8916-wdt";
-				interrupts = <0x0 0x8 6 IRQ_TYPE_EDGE_RISING>;
-				timeout-sec = <10>;
-			};
-		};
-	};
diff --git a/Documentation/devicetree/bindings/watchdog/qcom,pm8916-wdt.yaml b/Documentation/devicetree/bindings/watchdog/qcom,pm8916-wdt.yaml
new file mode 100644
index 000000000000..568eb8480fc3
--- /dev/null
+++ b/Documentation/devicetree/bindings/watchdog/qcom,pm8916-wdt.yaml
@@ -0,0 +1,51 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/watchdog/qcom,pm8916-wdt.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Qualcomm PM8916 watchdog timer controller
+
+maintainers:
+  - Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
+
+allOf:
+  - $ref: watchdog.yaml#
+
+properties:
+  compatible:
+    const: qcom,pm8916-wdt
+
+  interrupts:
+    maxItems: 1
+
+required:
+  - compatible
+  - interrupts
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/interrupt-controller/irq.h>
+    #include <dt-bindings/spmi/spmi.h>
+
+    pmic@0 {
+        compatible = "qcom,pm8916", "qcom,spmi-pmic";
+        reg = <0x0 SPMI_USID>;
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        pon@800 {
+            compatible = "qcom,pm8916-pon";
+            reg = <0x800>;
+            mode-bootloader = <0x2>;
+            mode-recovery = <0x1>;
+
+            watchdog {
+                compatible = "qcom,pm8916-wdt";
+                interrupts = <0x0 0x8 6 IRQ_TYPE_EDGE_RISING>;
+                timeout-sec = <60>;
+            };
+        };
+    };
-- 
2.34.1