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From:   Corentin Labbe <clabbe@baylibre.com>
To:     alexandre.belloni@bootlin.com, a.zummo@towertech.it,
        linus.walleij@linaro.org, robh+dt@kernel.org,
        ulli.kroll@googlemail.com
Cc:     devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
        linux-kernel@vger.kernel.org, linux-rtc@vger.kernel.org,
        Corentin Labbe <clabbe@baylibre.com>
Subject: [PATCH 1/2] dt-bindings: convert rtc/faraday,ftrtc01 to yaml
Date:   Mon,  3 May 2021 19:50:47 +0000
Message-Id: <20210503195048.1575007-1-clabbe@baylibre.com>
MIME-Version: 1.0
Content-Transfer-Encoding: 8bit
Precedence: bulk

Converts rtc/faraday,ftrtc01.txt to yaml.
This permits to detect some missing properties: reg, resets, interrupts

Signed-off-by: Corentin Labbe <clabbe@baylibre.com>
---
 .../bindings/rtc/faraday,ftrtc010.txt         | 28 ---------
 .../bindings/rtc/faraday,ftrtc010.yaml        | 59 +++++++++++++++++++
 2 files changed, 59 insertions(+), 28 deletions(-)
 delete mode 100644 Documentation/devicetree/bindings/rtc/faraday,ftrtc010.txt
 create mode 100644 Documentation/devicetree/bindings/rtc/faraday,ftrtc010.yaml

diff --git a/Documentation/devicetree/bindings/rtc/faraday,ftrtc010.txt b/Documentation/devicetree/bindings/rtc/faraday,ftrtc010.txt
deleted file mode 100644
index e3938f5e0b6c..000000000000
--- a/Documentation/devicetree/bindings/rtc/faraday,ftrtc010.txt
+++ /dev/null
@@ -1,28 +0,0 @@
-* Faraday Technology FTRTC010 Real Time Clock
-
-This RTC appears in for example the Storlink Gemini family of
-SoCs.
-
-Required properties:
-- compatible : Should be one of:
-  "faraday,ftrtc010"
-  "cortina,gemini-rtc", "faraday,ftrtc010"
-
-Optional properties:
-- clocks: when present should contain clock references to the
-  PCLK and EXTCLK clocks. Faraday calls the later CLK1HZ and
-  says the clock should be 1 Hz, but implementers actually seem
-  to choose different clocks here, like Cortina who chose
-  32768 Hz (a typical low-power clock).
-- clock-names: should name the clocks "PCLK" and "EXTCLK"
-  respectively.
-
-Examples:
-
-rtc@45000000 {
-	compatible = "cortina,gemini-rtc";
-	reg = <0x45000000 0x100>;
-	interrupts = <17 IRQ_TYPE_LEVEL_HIGH>;
-	clocks = <&foo 0>, <&foo 1>;
-	clock-names = "PCLK", "EXTCLK";
-};
diff --git a/Documentation/devicetree/bindings/rtc/faraday,ftrtc010.yaml b/Documentation/devicetree/bindings/rtc/faraday,ftrtc010.yaml
new file mode 100644
index 000000000000..6b318650e79f
--- /dev/null
+++ b/Documentation/devicetree/bindings/rtc/faraday,ftrtc010.yaml
@@ -0,0 +1,59 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/rtc/faraday,ftrtc010.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Faraday Technology FTRTC010 Real Time Clock
+
+maintainers:
+  - Linus Walleij <linus.walleij@linaro.org>
+
+description: |
+  This RTC appears in for example the Storlink Gemini family of SoCs.
+
+properties:
+  compatible:
+    oneOf:
+      - const: "faraday,ftrtc010"
+      - items:
+          - const: "cortina,gemini-rtc"
+          - const: "faraday,ftrtc010"
+
+  resets:
+    maxItems: 1
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    maxItems: 1
+
+  clocks:
+    minItems: 2
+    description: when present should contain clock references to the
+                 PCLK and EXTCLK clocks. Faraday calls the later CLK1HZ and
+                 says the clock should be 1 Hz, but implementers actually seem
+                 to choose different clocks here, like Cortina who chose
+                 32768 Hz (a typical low-power clock).
+
+  clock-names:
+    items:
+      - const: "PCLK"
+      - const: "EXTCLK"
+
+required:
+  - compatible
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/interrupt-controller/irq.h>
+    rtc@45000000 {
+      compatible = "cortina,gemini-rtc", "faraday,ftrtc010";
+      reg = <0x45000000 0x100>;
+      interrupts = <17 IRQ_TYPE_LEVEL_HIGH>;
+      clocks = <&foo 0>, <&foo 1>;
+      clock-names = "PCLK", "EXTCLK";
+    };
-- 
2.26.3