[PATCH 3/5] dt-bindings: watchdog: mediatek: Convert mtk-wdt to json-schema

AngeloGioacchino Del Regno angelogioacchino.delregno at collabora.com
Wed Oct 5 04:35:15 PDT 2022


Convert the MediaTek watchdog bindings to schema.

Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno at collabora.com>
---
 .../bindings/watchdog/mediatek,mtk-wdt.yaml   | 80 +++++++++++++++++++
 .../devicetree/bindings/watchdog/mtk-wdt.txt  | 42 ----------
 2 files changed, 80 insertions(+), 42 deletions(-)
 create mode 100644 Documentation/devicetree/bindings/watchdog/mediatek,mtk-wdt.yaml
 delete mode 100644 Documentation/devicetree/bindings/watchdog/mtk-wdt.txt

diff --git a/Documentation/devicetree/bindings/watchdog/mediatek,mtk-wdt.yaml b/Documentation/devicetree/bindings/watchdog/mediatek,mtk-wdt.yaml
new file mode 100644
index 000000000000..f43b5af92d40
--- /dev/null
+++ b/Documentation/devicetree/bindings/watchdog/mediatek,mtk-wdt.yaml
@@ -0,0 +1,80 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/watchdog/mediatek,mtk-wdt.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: MediaTek SoCs Watchdog timer
+
+maintainers:
+  - Matthias Brugger <matthias.bgg at gmail.com>
+
+description:
+  The watchdog supports a pre-timeout interrupt that fires
+  timeout-sec/2 before the expiry.
+
+allOf:
+  - $ref: watchdog.yaml#
+
+properties:
+  compatible:
+    oneOf:
+      - items:
+          - enum:
+              - mediatek,mt2712-wdt
+              - mediatek,mt6589-wdt
+              - mediatek,mt7986-wdt
+              - mediatek,mt8183-wdt
+              - mediatek,mt8186-wdt
+              - mediatek,mt8192-wdt
+              - mediatek,mt8195-wdt
+      - items:
+          - enum:
+              - mediatek,mt2701-wdt
+              - mediatek,mt6582-wdt
+              - mediatek,mt6797-wdt
+              - mediatek,mt7622-wdt
+              - mediatek,mt7623-wdt
+              - mediatek,mt7629-wdt
+              - mediatek,mt8516-wdt
+          - const: mediatek,mt6589-wdt
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    items:
+      - description: Watchdog pre-timeout (bark) interrupt
+
+  mediatek,disable-extrst:
+    description: Disable sending output reset signal
+    type: boolean
+
+  timeout-sec: true
+
+  '#reset-cells':
+    const: 1
+
+required:
+  - compatible
+  - reg
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/interrupt-controller/arm-gic.h>
+
+    soc {
+        #address-cells = <2>;
+        #size-cells = <2>;
+
+        watchdog: watchdog at 10007000 {
+            compatible = "mediatek,mt8183-wdt";
+            reg = <0 0x10007000 0 0x100>;
+            interrupts = <GIC_SPI 139 IRQ_TYPE_LEVEL_LOW>;
+            mediatek,disable-extrst;
+            timeout-sec = <10>;
+            #reset-cells = <1>;
+        };
+    };
diff --git a/Documentation/devicetree/bindings/watchdog/mtk-wdt.txt b/Documentation/devicetree/bindings/watchdog/mtk-wdt.txt
deleted file mode 100644
index 762c62e428ef..000000000000
--- a/Documentation/devicetree/bindings/watchdog/mtk-wdt.txt
+++ /dev/null
@@ -1,42 +0,0 @@
-Mediatek SoCs Watchdog timer
-
-The watchdog supports a pre-timeout interrupt that fires timeout-sec/2
-before the expiry.
-
-Required properties:
-
-- compatible should contain:
-	"mediatek,mt2701-wdt", "mediatek,mt6589-wdt": for MT2701
-	"mediatek,mt2712-wdt": for MT2712
-	"mediatek,mt6582-wdt", "mediatek,mt6589-wdt": for MT6582
-	"mediatek,mt6589-wdt": for MT6589
-	"mediatek,mt6797-wdt", "mediatek,mt6589-wdt": for MT6797
-	"mediatek,mt7622-wdt", "mediatek,mt6589-wdt": for MT7622
-	"mediatek,mt7623-wdt", "mediatek,mt6589-wdt": for MT7623
-	"mediatek,mt7629-wdt", "mediatek,mt6589-wdt": for MT7629
-	"mediatek,mt7986-wdt", "mediatek,mt6589-wdt": for MT7986
-	"mediatek,mt8183-wdt": for MT8183
-	"mediatek,mt8186-wdt", "mediatek,mt6589-wdt": for MT8186
-	"mediatek,mt8516-wdt", "mediatek,mt6589-wdt": for MT8516
-	"mediatek,mt8192-wdt": for MT8192
-	"mediatek,mt8195-wdt", "mediatek,mt6589-wdt": for MT8195
-
-- reg : Specifies base physical address and size of the registers.
-
-Optional properties:
-- mediatek,disable-extrst: disable send output reset signal
-- interrupts: Watchdog pre-timeout (bark) interrupt.
-- timeout-sec: contains the watchdog timeout in seconds.
-- #reset-cells: Should be 1.
-
-Example:
-
-watchdog: watchdog at 10007000 {
-	compatible = "mediatek,mt8183-wdt",
-		     "mediatek,mt6589-wdt";
-	mediatek,disable-extrst;
-	reg = <0 0x10007000 0 0x100>;
-	interrupts = <GIC_SPI 139 IRQ_TYPE_NONE>;
-	timeout-sec = <10>;
-	#reset-cells = <1>;
-};
-- 
2.37.2




More information about the linux-arm-kernel mailing list