linux-kernel - [PATCH] dt-bindings: i2c: hisilicon,hix5hd2-i2c convert to DT schema

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Message-ID: <20251004154808.116143-2-dev@kael-k.io>
Date: Sat,  4 Oct 2025 17:48:02 +0200
From: Kael D'Alcamo <dev@...l-k.io>
To: Andi Shyti <andi.shyti@...nel.org>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Wei Yan <sledge.yanwei@...wei.com>
Cc: linux-i2c@...r.kernel.org,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH] dt-bindings: i2c: hisilicon,hix5hd2-i2c convert to DT schema

Signed-off-by: Kael D'Alcamo <dev@...l-k.io>
---
 .../bindings/i2c/hisilicon,hix5hd2-i2c.yaml   | 59 +++++++++++++++++++
 .../devicetree/bindings/i2c/i2c-hix5hd2.txt   | 24 --------
 2 files changed, 59 insertions(+), 24 deletions(-)
 create mode 100644 Documentation/devicetree/bindings/i2c/hisilicon,hix5hd2-i2c.yaml
 delete mode 100644 Documentation/devicetree/bindings/i2c/i2c-hix5hd2.txt

diff --git a/Documentation/devicetree/bindings/i2c/hisilicon,hix5hd2-i2c.yaml b/Documentation/devicetree/bindings/i2c/hisilicon,hix5hd2-i2c.yaml
new file mode 100644
index 000000000000..e9931bbdb88b
--- /dev/null
+++ b/Documentation/devicetree/bindings/i2c/hisilicon,hix5hd2-i2c.yaml
@@ -0,0 +1,59 @@
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/i2c/hisilicon,hix5hd2-i2c.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+title: I2C for HiSilicon hix5hd2 chipset platform
+
+maintainers:
+  - Wei Yan <sledge.yanwei@...wei.com>
+
+allOf:
+  - $ref: /schemas/i2c/i2c-controller.yaml#
+
+properties:
+  compatible:
+    enum:
+      - hisilicon,hix5hd2-i2c
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    maxItems: 1
+
+  clocks:
+    maxItems: 1
+
+  clock-frequency: 
+    description: Desired I2C bus frequency in Hz
+    default: 100000
+
+  "#address-cells":
+    const: 1
+
+  "#size-cells":
+    const: 0
+
+required:
+  - compatible
+  - reg
+  - interrupts
+  - clocks
+  - "#address-cells"
+  - "#size-cells"
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/clock/hix5hd2-clock.h>
+
+    i2c@...10000 {
+        compatible = "hisilicon,hix5hd2-i2c";
+        reg = <0xf8b10000 0x1000>;
+        interrupts = <0 38 4>;
+        clocks = <&clock HIX5HD2_I2C0_RST>;
+        #address-cells = <1>;
+        #size-cells = <0>;
+    };
diff --git a/Documentation/devicetree/bindings/i2c/i2c-hix5hd2.txt b/Documentation/devicetree/bindings/i2c/i2c-hix5hd2.txt
deleted file mode 100644
index f98b37401e6e..000000000000
--- a/Documentation/devicetree/bindings/i2c/i2c-hix5hd2.txt
+++ /dev/null
@@ -1,24 +0,0 @@
-I2C for Hisilicon hix5hd2 chipset platform
-
-Required properties:
-- compatible: Must be "hisilicon,hix5hd2-i2c"
-- reg: physical base address of the controller and length of memory mapped
-     region.
-- interrupts: interrupt number to the cpu.
-- #address-cells = <1>;
-- #size-cells = <0>;
-- clocks: phandles to input clocks.
-
-Optional properties:
-- clock-frequency: Desired I2C bus frequency in Hz, otherwise defaults to 100000
-- Child nodes conforming to i2c bus binding
-
-Examples:
-I2C0@...10000 {
-	compatible = "hisilicon,hix5hd2-i2c";
-	reg = <0xf8b10000 0x1000>;
-	interrupts = <0 38 4>;
-	clocks = <&clock HIX5HD2_I2C0_RST>;
-	#address-cells = <1>;
-	#size-cells = <0>;
-}
-- 
2.51.0