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Subject[PATCH V3 1/3] dt-bindings: gpio: Convert Unisoc GPIO controller binding to yaml
Date
From: Chunyan Zhang <chunyan.zhang@unisoc.com>

Convert the Unisoc gpio controller binding to DT schema format.

Signed-off-by: Chunyan Zhang <chunyan.zhang@unisoc.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
---
.../devicetree/bindings/gpio/gpio-sprd.txt | 28 --------
.../devicetree/bindings/gpio/sprd,gpio.yaml | 70 +++++++++++++++++++
2 files changed, 70 insertions(+), 28 deletions(-)
delete mode 100644 Documentation/devicetree/bindings/gpio/gpio-sprd.txt
create mode 100644 Documentation/devicetree/bindings/gpio/sprd,gpio.yaml

diff --git a/Documentation/devicetree/bindings/gpio/gpio-sprd.txt b/Documentation/devicetree/bindings/gpio/gpio-sprd.txt
deleted file mode 100644
index eca97d45388f..000000000000
--- a/Documentation/devicetree/bindings/gpio/gpio-sprd.txt
+++ /dev/null
@@ -1,28 +0,0 @@
-Spreadtrum GPIO controller bindings
-
-The controller's registers are organized as sets of sixteen 16-bit
-registers with each set controlling a bank of up to 16 pins. A single
-interrupt is shared for all of the banks handled by the controller.
-
-Required properties:
-- compatible: Should be "sprd,sc9860-gpio".
-- reg: Define the base and range of the I/O address space containing
-the GPIO controller registers.
-- gpio-controller: Marks the device node as a GPIO controller.
-- #gpio-cells: Should be <2>. The first cell is the gpio number and
-the second cell is used to specify optional parameters.
-- interrupt-controller: Marks the device node as an interrupt controller.
-- #interrupt-cells: Should be <2>. Specifies the number of cells needed
-to encode interrupt source.
-- interrupts: Should be the port interrupt shared by all the gpios.
-
-Example:
- ap_gpio: gpio@40280000 {
- compatible = "sprd,sc9860-gpio";
- reg = <0 0x40280000 0 0x1000>;
- gpio-controller;
- #gpio-cells = <2>;
- interrupt-controller;
- #interrupt-cells = <2>;
- interrupts = <GIC_SPI 50 IRQ_TYPE_LEVEL_HIGH>;
- };
diff --git a/Documentation/devicetree/bindings/gpio/sprd,gpio.yaml b/Documentation/devicetree/bindings/gpio/sprd,gpio.yaml
new file mode 100644
index 000000000000..40924123d184
--- /dev/null
+++ b/Documentation/devicetree/bindings/gpio/sprd,gpio.yaml
@@ -0,0 +1,70 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+# Copyright 2022 Unisoc Inc.
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/gpio/sprd,gpio.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Unisoc GPIO controller
+
+maintainers:
+ - Orson Zhai <orsonzhai@gmail.com>
+ - Baolin Wang <baolin.wang7@gmail.com>
+ - Chunyan Zhang <zhang.lyra@gmail.com>
+
+description: |
+ The controller's registers are organized as sets of sixteen 16-bit
+ registers with each set controlling a bank of up to 16 pins. A single
+ interrupt is shared for all of the banks handled by the controller.
+
+properties:
+ compatible:
+ const: sprd,sc9860-gpio
+
+ reg:
+ maxItems: 1
+
+ gpio-controller: true
+
+ "#gpio-cells":
+ const: 2
+
+ interrupt-controller: true
+
+ "#interrupt-cells":
+ const: 2
+
+ interrupts:
+ maxItems: 1
+ description: The interrupt shared by all GPIO lines for this controller.
+
+required:
+ - compatible
+ - reg
+ - gpio-controller
+ - "#gpio-cells"
+ - interrupt-controller
+ - "#interrupt-cells"
+ - interrupts
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/interrupt-controller/arm-gic.h>
+
+ soc {
+ #address-cells = <2>;
+ #size-cells = <2>;
+
+ ap_gpio: gpio@40280000 {
+ compatible = "sprd,sc9860-gpio";
+ reg = <0 0x40280000 0 0x1000>;
+ gpio-controller;
+ #gpio-cells = <2>;
+ interrupt-controller;
+ #interrupt-cells = <2>;
+ interrupts = <GIC_SPI 50 IRQ_TYPE_LEVEL_HIGH>;
+ };
+ };
+...
--
2.25.1
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