linux-kernel - [PATCH] dt-bindings: timer: nuvoton,npcm7xx-timer: Convert to YAML

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Message-Id: <20220128214427.1990183-1-j.neuschaefer@gmx.net>
Date:   Fri, 28 Jan 2022 22:44:26 +0100
From:   Jonathan Neuschäfer <j.neuschaefer@....net>
To:     openbmc@...ts.ozlabs.org
Cc:     Jonathan Neuschäfer <j.neuschaefer@....net>,
        Avi Fishman <avifishman70@...il.com>,
        Tomer Maimon <tmaimon77@...il.com>,
        Tali Perry <tali.perry1@...il.com>,
        Patrick Venture <venture@...gle.com>,
        Nancy Yuen <yuenn@...gle.com>,
        Benjamin Fair <benjaminfair@...gle.com>,
        Daniel Lezcano <daniel.lezcano@...aro.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Rob Herring <robh+dt@...nel.org>, linux-kernel@...r.kernel.org,
        devicetree@...r.kernel.org
Subject: [PATCH] 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@....net>
---
 .../bindings/timer/nuvoton,npcm7xx-timer.txt  | 21 ---------
 .../bindings/timer/nuvoton,npcm7xx-timer.yaml | 46 +++++++++++++++++++
 2 files changed, 46 insertions(+), 21 deletions(-)
 delete mode 100644 Documentation/devicetree/bindings/timer/nuvoton,npcm7xx-timer.txt
 create mode 100644 Documentation/devicetree/bindings/timer/nuvoton,npcm7xx-timer.yaml

diff --git a/Documentation/devicetree/bindings/timer/nuvoton,npcm7xx-timer.txt b/Documentation/devicetree/bindings/timer/nuvoton,npcm7xx-timer.txt
deleted file mode 100644
index ac3a5e887455d..0000000000000
--- a/Documentation/devicetree/bindings/timer/nuvoton,npcm7xx-timer.txt
+++ /dev/null
@@ -1,21 +0,0 @@
-Nuvoton NPCM7xx timer
-
-Nuvoton NPCM7xx have three timer modules, each timer module provides five 24-bit
-timer counters.
-
-Required properties:
-- compatible      : "nuvoton,npcm750-timer" for Poleg NPCM750, or
-                    "nuvoton,wpcm450-timer" for Hermon WPCM450.
-- reg             : Offset and length of the register set for the device.
-- interrupts      : Contain the timer interrupt of timer 0.
-- clocks          : phandle of timer reference clock (usually a 25 MHz clock).
-
-Example:
-
-timer@...08000 {
-    compatible = "nuvoton,npcm750-timer";
-    interrupts = <GIC_SPI 32 IRQ_TYPE_LEVEL_HIGH>;
-    reg = <0xf0008000 0x50>;
-    clocks = <&clk NPCM7XX_CLK_TIMER>;
-};
-
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 0000000000000..33f9bacc8423c
--- /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@....net>
+
+properties:
+  compatible:
+    enum:
+      - nuvoton,wpcm450-timer  # for Hermon WPCM450
+      - nuvoton,npcm7xx-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@...08000 {
+        compatible = "nuvoton,npcm750-timer";
+        interrupts = <GIC_SPI 32 IRQ_TYPE_LEVEL_HIGH>;
+        reg = <0xf0008000 0x50>;
+        clocks = <&clk NPCM7XX_CLK_TIMER>;
+    };
--
2.34.1