linux-kernel - [PATCH v3] dt-bindings: timer: Convert stm32 timer bindings to json-schema

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Date:   Mon, 14 Oct 2019 11:23:16 +0200
From:   Benjamin Gaignard <benjamin.gaignard@...com>
To:     <daniel.lezcano@...aro.org>, <tglx@...utronix.de>,
        <robh+dt@...nel.org>, <alexandre.torgue@...com>
CC:     <linux-kernel@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-stm32@...md-mailman.stormreply.com>,
        <linux-arm-kernel@...ts.infradead.org>,
        Benjamin Gaignard <benjamin.gaignard@...com>
Subject: [PATCH v3] dt-bindings: timer: Convert stm32 timer bindings to json-schema

Convert the STM32 timer binding to DT schema format using json-schema

Signed-off-by: Benjamin Gaignard <benjamin.gaignard@...com>
---
changes in v3:
- use (GPL-2.0-only OR BSD-2-Clause) license
- fix identation
- add additionalProperties: false

 .../devicetree/bindings/timer/st,stm32-timer.txt   | 22 ----------
 .../devicetree/bindings/timer/st,stm32-timer.yaml  | 47 ++++++++++++++++++++++
 2 files changed, 47 insertions(+), 22 deletions(-)
 delete mode 100644 Documentation/devicetree/bindings/timer/st,stm32-timer.txt
 create mode 100644 Documentation/devicetree/bindings/timer/st,stm32-timer.yaml

diff --git a/Documentation/devicetree/bindings/timer/st,stm32-timer.txt b/Documentation/devicetree/bindings/timer/st,stm32-timer.txt
deleted file mode 100644
index 8ef28e70d6e8..000000000000
--- a/Documentation/devicetree/bindings/timer/st,stm32-timer.txt
+++ /dev/null
@@ -1,22 +0,0 @@
-. STMicroelectronics STM32 timer
-
-The STM32 MCUs family has several general-purpose 16 and 32 bits timers.
-
-Required properties:
-- compatible : Should be "st,stm32-timer"
-- reg : Address and length of the register set
-- clocks : Reference on the timer input clock
-- interrupts : Reference to the timer interrupt
-
-Optional properties:
-- resets: Reference to a reset controller asserting the timer
-
-Example:
-
-timer5: timer@...00c00 {
-	compatible = "st,stm32-timer";
-	reg = <0x40000c00 0x400>;
-	interrupts = <50>;
-	resets = <&rrc 259>;
-	clocks = <&clk_pmtr1>;
-};
diff --git a/Documentation/devicetree/bindings/timer/st,stm32-timer.yaml b/Documentation/devicetree/bindings/timer/st,stm32-timer.yaml
new file mode 100644
index 000000000000..176aa3c9baf8
--- /dev/null
+++ b/Documentation/devicetree/bindings/timer/st,stm32-timer.yaml
@@ -0,0 +1,47 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/timer/st,stm32-timer.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: STMicroelectronics STM32 general-purpose 16 and 32 bits timers bindings
+
+maintainers:
+  - Benjamin Gaignard <benjamin.gaignard@...com>
+
+properties:
+  compatible:
+    const: st,stm32-timer
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    maxItems: 1
+
+  clocks:
+    maxItems: 1
+
+  resets:
+    maxItems: 1
+
+required:
+  - compatible
+  - reg
+  - interrupts
+  - clocks
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/interrupt-controller/arm-gic.h>
+    #include <dt-bindings/clock/stm32mp1-clks.h>
+    timer: timer@...00c00 {
+        compatible = "st,stm32-timer";
+        reg = <0x40000c00 0x400>;
+        interrupts = <50>;
+        clocks = <&clk_pmtr1>;
+    };
+
+...
-- 
2.15.0