linux-kernel - [PATCH] dt-bindings: timer: Convert faraday,fttmr010 to yaml

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Message-Id: <20210528185329.1969688-1-clabbe@baylibre.com>
Date:   Fri, 28 May 2021 18:53:29 +0000
From:   Corentin Labbe <clabbe@...libre.com>
To:     daniel.lezcano@...aro.org, robh+dt@...nel.org, tglx@...utronix.de
Cc:     devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        Corentin Labbe <clabbe@...libre.com>
Subject: [PATCH] dt-bindings: timer: Convert faraday,fttmr010 to yaml

Converts timer/faraday,fttmr010.txt to yaml.

Signed-off-by: Corentin Labbe <clabbe@...libre.com>
---
 .../bindings/timer/faraday,fttmr010.txt       | 38 --------
 .../bindings/timer/faraday,fttmr010.yaml      | 86 +++++++++++++++++++
 2 files changed, 86 insertions(+), 38 deletions(-)
 delete mode 100644 Documentation/devicetree/bindings/timer/faraday,fttmr010.txt
 create mode 100644 Documentation/devicetree/bindings/timer/faraday,fttmr010.yaml

diff --git a/Documentation/devicetree/bindings/timer/faraday,fttmr010.txt b/Documentation/devicetree/bindings/timer/faraday,fttmr010.txt
deleted file mode 100644
index 3cb2f4c98d64..000000000000
--- a/Documentation/devicetree/bindings/timer/faraday,fttmr010.txt
+++ /dev/null
@@ -1,38 +0,0 @@
-Faraday Technology timer
-
-This timer is a generic IP block from Faraday Technology, embedded in the
-Cortina Systems Gemini SoCs and other designs.
-
-Required properties:
-
-- compatible : Must be one of
-  "faraday,fttmr010"
-  "cortina,gemini-timer", "faraday,fttmr010"
-  "moxa,moxart-timer", "faraday,fttmr010"
-  "aspeed,ast2400-timer"
-  "aspeed,ast2500-timer"
-  "aspeed,ast2600-timer"
-
-- reg : Should contain registers location and length
-- interrupts : Should contain the three timer interrupts usually with
-  flags for falling edge
-
-Optionally required properties:
-
-- clocks : a clock to provide the tick rate for "faraday,fttmr010"
-- clock-names : should be "EXTCLK" and "PCLK" for the external tick timer
-  and peripheral clock respectively, for "faraday,fttmr010"
-- syscon : a phandle to the global Gemini system controller if the compatible
-  type is "cortina,gemini-timer"
-
-Example:
-
-timer@...00000 {
-	compatible = "faraday,fttmr010";
-	reg = <0x43000000 0x1000>;
-	interrupts = <14 IRQ_TYPE_EDGE_FALLING>, /* Timer 1 */
-		   <15 IRQ_TYPE_EDGE_FALLING>, /* Timer 2 */
-		   <16 IRQ_TYPE_EDGE_FALLING>; /* Timer 3 */
-	clocks = <&extclk>, <&pclk>;
-	clock-names = "EXTCLK", "PCLK";
-};
diff --git a/Documentation/devicetree/bindings/timer/faraday,fttmr010.yaml b/Documentation/devicetree/bindings/timer/faraday,fttmr010.yaml
new file mode 100644
index 000000000000..a495ea80c0fc
--- /dev/null
+++ b/Documentation/devicetree/bindings/timer/faraday,fttmr010.yaml
@@ -0,0 +1,86 @@
+# SPDX-License-Identifier: (GPL-2.0+)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/timer/faraday,fttmr010.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Faraday Technology timer
+
+maintainers:
+  - Linus Walleij <linus.walleij@...aro.org>
+
+description: |
+  This timer is a generic IP block from Faraday Technology, embedded in the
+  Cortina Systems Gemini SoCs and other designs.
+
+properties:
+  compatible:
+    oneOf:
+      - const: faraday,fttmr010
+      - items:
+          - const: cortina,gemini-timer
+          - const: faraday,fttmr010
+      - items:
+          - const: moxa,moxart-timer
+          - const: faraday,fttmr010
+      - const: aspeed,ast2400-timer
+      - const: aspeed,ast2500-timer
+      - const: aspeed,ast2600-timer
+
+  reg:
+    maxItems: 1
+
+  resets:
+    maxItems: 1
+
+  interrupts:
+    maxItems: 3
+    description: Should contain the three timer interrupts usually with flags for falling edge
+
+  clocks:
+    minItems: 2
+
+  clock-names:
+    items:
+      - const: "PCLK"
+      - const: "EXTCLK"
+
+  syscon:
+    $ref: /schemas/types.yaml#/definitions/phandle
+    maxItems: 1
+
+if:
+  properties:
+    compatible:
+      contains:
+        items:
+          - const: cortina,gemini-timer
+          - const: faraday,fttmr010
+then:
+  required:
+    - syscon
+else:
+  properties:
+    syscon: false
+
+required:
+  - compatible
+  - reg
+  - interrupts
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/interrupt-controller/irq.h>
+    timer@...00000 {
+      compatible = "faraday,fttmr010";
+      reg = <0x43000000 0x1000>;
+      interrupts = <14 IRQ_TYPE_EDGE_FALLING>, /* Timer 1 */
+                   <15 IRQ_TYPE_EDGE_FALLING>, /* Timer 2 */
+                   <16 IRQ_TYPE_EDGE_FALLING>; /* Timer 3 */
+      clocks = <&extclk>, <&pclk>;
+      clock-names = "PCLK", "EXTCLK";
+      syscon = <&syscon>;
+    };
+...
-- 
2.31.1