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authorOkan Sahin <okan.sahin@analog.com>2023-07-27 12:54:29 +0300
committerBartosz Golaszewski <bartosz.golaszewski@linaro.org>2023-07-29 16:54:58 +0300
commit451c923d4c638a2f8215fea35e10f2dcd921a577 (patch)
treea73c2ffda4d6456309108bf71b762b2c7ae8ff86 /Documentation/devicetree/bindings/gpio
parent291bc793a0083ce69acc7ceb77c9ec7af4401093 (diff)
downloadlinux-451c923d4c638a2f8215fea35e10f2dcd921a577.tar.xz
dt-bindings: gpio: ds4520: Add ADI DS4520
Add ADI DS4520 devicetree document. Signed-off-by: Okan Sahin <okan.sahin@analog.com> Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Diffstat (limited to 'Documentation/devicetree/bindings/gpio')
-rw-r--r--Documentation/devicetree/bindings/gpio/adi,ds4520-gpio.yaml51
1 files changed, 51 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/gpio/adi,ds4520-gpio.yaml b/Documentation/devicetree/bindings/gpio/adi,ds4520-gpio.yaml
new file mode 100644
index 000000000000..25b3198c4d3e
--- /dev/null
+++ b/Documentation/devicetree/bindings/gpio/adi,ds4520-gpio.yaml
@@ -0,0 +1,51 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/gpio/adi,ds4520-gpio.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: DS4520 I2C GPIO expander
+
+maintainers:
+ - Okan Sahin <okan.sahin@analog.com>
+
+properties:
+ compatible:
+ enum:
+ - adi,ds4520-gpio
+
+ reg:
+ maxItems: 1
+
+ gpio-controller: true
+
+ "#gpio-cells":
+ const: 2
+
+ ngpios:
+ minimum: 1
+ maximum: 9
+
+required:
+ - compatible
+ - reg
+ - gpio-controller
+ - "#gpio-cells"
+ - ngpios
+
+additionalProperties: false
+
+examples:
+ - |
+ i2c {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ gpio@50 {
+ compatible = "adi,ds4520-gpio";
+ reg = <0x50>;
+ ngpios = <9>;
+ gpio-controller;
+ #gpio-cells = <2>;
+ };
+ };