[PATCH v3 1/2] dt-bindings: gpio: add fcs,fxl6408

From: Francesco Dolcini
Date: Mon Mar 13 2023 - 13:11:57 EST


From: Emanuele Ghidoli <emanuele.ghidoli@xxxxxxxxxxx>

Add Fairchild FXL6408 8-bit I2C-controlled GPIO expander.

Signed-off-by: Emanuele Ghidoli <emanuele.ghidoli@xxxxxxxxxxx>
Signed-off-by: Francesco Dolcini <francesco.dolcini@xxxxxxxxxxx>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx>
---
v3:
* add Reviewed-by: Krzysztof Kozlowski
v2:
* remove "driver" word from yaml
* simplify gpio-hog property definition
* rename fcs,fxl6408-gpio.yaml to fcs,fxl6408.yaml
* add missing SoB
---
.../devicetree/bindings/gpio/fcs,fxl6408.yaml | 58 +++++++++++++++++++
1 file changed, 58 insertions(+)
create mode 100644 Documentation/devicetree/bindings/gpio/fcs,fxl6408.yaml

diff --git a/Documentation/devicetree/bindings/gpio/fcs,fxl6408.yaml b/Documentation/devicetree/bindings/gpio/fcs,fxl6408.yaml
new file mode 100644
index 000000000000..65b6970e42fb
--- /dev/null
+++ b/Documentation/devicetree/bindings/gpio/fcs,fxl6408.yaml
@@ -0,0 +1,58 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/gpio/fcs,fxl6408.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Fairchild FXL6408 I2C GPIO Expander
+
+maintainers:
+ - Emanuele Ghidoli <emanuele.ghidoli@xxxxxxxxxxx>
+
+properties:
+ compatible:
+ enum:
+ - fcs,fxl6408
+
+ reg:
+ maxItems: 1
+
+ "#gpio-cells":
+ const: 2
+
+ gpio-controller: true
+
+ gpio-line-names:
+ minItems: 1
+ maxItems: 8
+
+patternProperties:
+ "^(hog-[0-9]+|.+-hog(-[0-9]+)?)$":
+ required:
+ - gpio-hog
+
+required:
+ - compatible
+ - reg
+ - gpio-controller
+ - "#gpio-cells"
+
+additionalProperties: false
+
+examples:
+ - |
+ i2c {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ gpio_expander_43: gpio-expander@43 {
+ compatible = "fcs,fxl6408";
+ reg = <0x43>;
+ gpio-controller;
+ #gpio-cells = <2>;
+ gpio-line-names = "Wi-Fi_W_DISABLE", "Wi-Fi_WKUP_WLAN",
+ "PWR_EN_+V3.3_WiFi_N", "PCIe_REF_CLK_EN",
+ "USB_RESET_N", "USB_BYPASS_N", "Wi-Fi_PDn",
+ "Wi-Fi_WKUP_BT";
+ };
+ };
--
2.25.1