dt-bindings: timer: nuvoton,npcm7xx-timer: Convert to YAML

Let's convert this devicetree binding to YAML, to make it easier to
extend later.

Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net>
Signed-off-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20220130102704.2892072-1-j.neuschaefer@gmx.net

1 files changed, 46 insertions, 0 deletions

diff --git a/Documentation/devicetree/bindings/timer/nuvoton,npcm7xx-timer.yaml b/Documentation/devicetree/bindings/timer/nuvoton,npcm7xx-timer.yaml
new file mode 100644
index 000000000000..0cbc26a72151
--- /dev/null
+++ b/Documentation/devicetree/bindings/timer/nuvoton,npcm7xx-timer.yaml
@@ -0,0 +1,46 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/timer/nuvoton,npcm7xx-timer.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Nuvoton NPCM7xx timer
+
+maintainers:
+  - Jonathan Neuschäfer <j.neuschaefer@gmx.net>
+
+properties:
+  compatible:
+    enum:
+      - nuvoton,wpcm450-timer  # for Hermon WPCM450
+      - nuvoton,npcm750-timer  # for Poleg NPCM750
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    items:
+      - description: The timer interrupt of timer 0
+
+  clocks:
+    maxItems: 1
+
+required:
+  - compatible
+  - reg
+  - interrupts
+  - clocks
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/interrupt-controller/irq.h>
+    #include <dt-bindings/interrupt-controller/arm-gic.h>
+    #include <dt-bindings/clock/nuvoton,npcm7xx-clock.h>
+    timer@f0008000 {
+        compatible = "nuvoton,npcm750-timer";
+        interrupts = <GIC_SPI 32 IRQ_TYPE_LEVEL_HIGH>;
+        reg = <0xf0008000 0x50>;
+        clocks = <&clk NPCM7XX_CLK_TIMER>;
+    };