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From: =?utf-8?q?Alvin_=C5=A0ipraga?= <alvin@pqrs.dk>
Date: Tue, 23 Apr 2024 13:35:30 +0200
Subject: [PATCH 1/3] spi: dt-bindings: nxp,sc18is602: convert binding to
 YAML
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Message-Id: <20240423-sc18is606-v1-1-094ef37d5a59@bang-olufsen.dk>
References: <20240423-sc18is606-v1-0-094ef37d5a59@bang-olufsen.dk>
In-Reply-To: <20240423-sc18is606-v1-0-094ef37d5a59@bang-olufsen.dk>
To: Mark Brown <broonie@kernel.org>, Rob Herring <robh@kernel.org>, 
 Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>, 
 Conor Dooley <conor+dt@kernel.org>
Cc: linux-spi@vger.kernel.org, devicetree@vger.kernel.org, 
 linux-kernel@vger.kernel.org, 
 =?utf-8?q?Alvin_=C5=A0ipraga?= <alsi@bang-olufsen.dk>

From: Alvin Šipraga <alsi@bang-olufsen.dk>

Convert the txt binding to YAML. In the example, the node name was
changed from sc18is603@28 to spi@28 to conform with the standard
$nodename property in the spi-controller.yaml schema.

Make myself maintainer of this binding, since nobody else has
volunteered themselves.

Signed-off-by: Alvin Šipraga <alsi@bang-olufsen.dk>
---
 .../devicetree/bindings/spi/nxp,sc18is602.yaml     | 59 ++++++++++++++++++++++
 .../devicetree/bindings/spi/spi-sc18is602.txt      | 23 ---------
 2 files changed, 59 insertions(+), 23 deletions(-)

diff --git a/Documentation/devicetree/bindings/spi/nxp,sc18is602.yaml b/Documentation/devicetree/bindings/spi/nxp,sc18is602.yaml
new file mode 100644
index 000000000000..5b34fdf6148a
--- /dev/null
+++ b/Documentation/devicetree/bindings/spi/nxp,sc18is602.yaml
@@ -0,0 +1,59 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/spi/nxp,sc18is602.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: NXP SC18IS602/602B/603 I2C to SPI bridge
+
+maintainers:
+  - Alvin Šipraga <alsi@bang-olufsen.dk>
+
+properties:
+  compatible:
+    enum:
+      - nxp,sc18is602
+      - nxp,sc18is602b
+      - nxp,sc18is603
+
+  reg:
+    maxItems: 1
+
+  clock-frequency:
+    $ref: /schemas/types.yaml#/definitions/uint32
+    description:
+      External oscillator clock frequency. Only relevant if the chip has an
+      external oscillator (SC18IS603).
+    default: 7372000
+
+required:
+  - compatible
+  - reg
+
+allOf:
+  - $ref: spi-controller.yaml#
+  - if:
+      not:
+        properties:
+          comptaible:
+            contains:
+              enum:
+                - nxp,sc18is603
+    then:
+      properties:
+        clock-frequency: false
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    i2c {
+      #address-cells = <1>;
+      #size-cells = <0>;
+
+      spi@28 {
+        compatible = "nxp,sc18is603";
+        reg = <0x28>;
+        clock-frequency = <14744000>;
+      };
+    };
diff --git a/Documentation/devicetree/bindings/spi/spi-sc18is602.txt b/Documentation/devicetree/bindings/spi/spi-sc18is602.txt
deleted file mode 100644
index 02f9033270a2..000000000000
--- a/Documentation/devicetree/bindings/spi/spi-sc18is602.txt
+++ /dev/null
@@ -1,23 +0,0 @@
-NXP SC18IS602/SCIS603
-
-Required properties:
-	- compatible : Should be one of
-		"nxp,sc18is602"
-		"nxp,sc18is602b"
-		"nxp,sc18is603"
-	- reg: I2C bus address
-
-Optional properties:
-	- clock-frequency : external oscillator clock frequency. If not
-	  specified, the SC18IS602 default frequency (7372000) will be used.
-
-The clock-frequency property is relevant and needed only if the chip has an
-external oscillator (SC18IS603).
-
-Example:
-
-	sc18is603@28 {
-		compatible = "nxp,sc18is603";
-		reg = <0x28>;
-		clock-frequency = <14744000>;
-	}

-- 
2.44.0