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Message-Id: <20240226031951.284847-1-andrew@codeconstruct.com.au>
Date: Mon, 26 Feb 2024 13:49:51 +1030
From: Andrew Jeffery <andrew@...econstruct.com.au>
To: linus.walleij@...aro.org,
brgl@...ev.pl,
krzysztof.kozlowski+dt@...aro.org
Cc: Andrew Jeffery <andrew@...econstruct.com.au>,
robh+dt@...nel.org,
conor+dt@...nel.org,
joel@....id.au,
linux-gpio@...r.kernel.org,
devicetree@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org,
linux-aspeed@...ts.ozlabs.org,
linux-kernel@...r.kernel.org
Subject: [PATCH v2] dt-bindings: gpio: aspeed,ast2400-gpio: Convert to DT schema
Squash warnings such as:
```
arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-galaxy100.dtb: /ahb/apb@...00000/gpio@...80000: failed to match any schema with compatible: ['aspeed,ast2400-gpio']
```
Signed-off-by: Andrew Jeffery <andrew@...econstruct.com.au>
---
v2: Address feedback from Krzysztof:
https://lore.kernel.org/all/0d1dd262-b6dd-4d71-9239-8b0aec8cceff@linaro.org/
v1: https://lore.kernel.org/all/20240220052918.742793-1-andrew@codeconstruct.com.au/
.../bindings/gpio/aspeed,ast2400-gpio.yaml | 73 +++++++++++++++++++
.../devicetree/bindings/gpio/gpio-aspeed.txt | 39 ----------
2 files changed, 73 insertions(+), 39 deletions(-)
create mode 100644 Documentation/devicetree/bindings/gpio/aspeed,ast2400-gpio.yaml
delete mode 100644 Documentation/devicetree/bindings/gpio/gpio-aspeed.txt
diff --git a/Documentation/devicetree/bindings/gpio/aspeed,ast2400-gpio.yaml b/Documentation/devicetree/bindings/gpio/aspeed,ast2400-gpio.yaml
new file mode 100644
index 000000000000..74d376567dfc
--- /dev/null
+++ b/Documentation/devicetree/bindings/gpio/aspeed,ast2400-gpio.yaml
@@ -0,0 +1,73 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/gpio/aspeed,ast2400-gpio.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Aspeed GPIO controller
+
+maintainers:
+ - Andrew Jeffery <andrew@...econstruct.com.au>
+
+properties:
+ compatible:
+ enum:
+ - aspeed,ast2400-gpio
+ - aspeed,ast2500-gpio
+ - aspeed,ast2600-gpio
+
+ reg:
+ maxItems: 1
+
+ clocks:
+ maxItems: 1
+ description: The clock to use for debounce timings
+
+ "#gpio-cells":
+ const: 2
+
+ gpio-controller: true
+ gpio-line-names: true
+ gpio-ranges: true
+
+ interrupts:
+ maxItems: 1
+
+ interrupt-controller: true
+
+ "#interrupt-cells":
+ const: 2
+
+ ngpios: true
+
+required:
+ - compatible
+ - reg
+ - interrupts
+ - interrupt-controller
+ - "#interrupt-cells"
+ - "#gpio-cells"
+ - gpio-controller
+
+allOf:
+ - if:
+ properties:
+ compatible:
+ contains:
+ const: aspeed,ast2600-gpio
+ then:
+ required:
+ - ngpios
+
+additionalProperties: false
+
+examples:
+ - |
+ gpio@...80000 {
+ compatible = "aspeed,ast2400-gpio";
+ reg = <0x1e780000 0x1000>;
+ interrupts = <20>;
+ interrupt-controller;
+ #gpio-cells = <2>;
+ gpio-controller;
+ };
diff --git a/Documentation/devicetree/bindings/gpio/gpio-aspeed.txt b/Documentation/devicetree/bindings/gpio/gpio-aspeed.txt
deleted file mode 100644
index b2033fc3a71a..000000000000
--- a/Documentation/devicetree/bindings/gpio/gpio-aspeed.txt
+++ /dev/null
@@ -1,39 +0,0 @@
-Aspeed GPIO controller Device Tree Bindings
--------------------------------------------
-
-Required properties:
-- compatible : Either "aspeed,ast2400-gpio", "aspeed,ast2500-gpio",
- or "aspeed,ast2600-gpio".
-
-- #gpio-cells : Should be two
- - First cell is the GPIO line number
- - Second cell is used to specify optional
- parameters (unused)
-
-- reg : Address and length of the register set for the device
-- gpio-controller : Marks the device node as a GPIO controller.
-- interrupts : Interrupt specifier (see interrupt bindings for
- details)
-- interrupt-controller : Mark the GPIO controller as an interrupt-controller
-
-Optional properties:
-
-- clocks : A phandle to the clock to use for debounce timings
-- ngpios : Number of GPIOs controlled by this controller. Should be set
- when there are multiple GPIO controllers on a SoC (ast2600).
-
-The gpio and interrupt properties are further described in their respective
-bindings documentation:
-
-- Documentation/devicetree/bindings/gpio/gpio.txt
-- Documentation/devicetree/bindings/interrupt-controller/interrupts.txt
-
- Example:
- gpio@...80000 {
- #gpio-cells = <2>;
- compatible = "aspeed,ast2400-gpio";
- gpio-controller;
- interrupts = <20>;
- reg = <0x1e780000 0x1000>;
- interrupt-controller;
- };
--
2.39.2
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