summaryrefslogtreecommitdiff
path: root/Documentation/devicetree/bindings/gpio/nxp,lpc3220-gpio.yaml
diff options
context:
space:
mode:
Diffstat (limited to 'Documentation/devicetree/bindings/gpio/nxp,lpc3220-gpio.yaml')
-rw-r--r--Documentation/devicetree/bindings/gpio/nxp,lpc3220-gpio.yaml50
1 files changed, 50 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/gpio/nxp,lpc3220-gpio.yaml b/Documentation/devicetree/bindings/gpio/nxp,lpc3220-gpio.yaml
new file mode 100644
index 000000000000..25b5494393cc
--- /dev/null
+++ b/Documentation/devicetree/bindings/gpio/nxp,lpc3220-gpio.yaml
@@ -0,0 +1,50 @@
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/gpio/nxp,lpc3220-gpio.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: NXP LPC3220 SoC GPIO controller
+
+maintainers:
+ - Animesh Agarwal <animeshagarwal28@gmail.com>
+
+properties:
+ compatible:
+ const: nxp,lpc3220-gpio
+
+ reg:
+ maxItems: 1
+
+ gpio-controller: true
+
+ '#gpio-cells':
+ const: 3
+ description: |
+ 1) bank:
+ 0: GPIO P0
+ 1: GPIO P1
+ 2: GPIO P2
+ 3: GPIO P3
+ 4: GPI P3
+ 5: GPO P3
+ 2) pin number
+ 3) flags:
+ - bit 0 specifies polarity (0 for normal, 1 for inverted)
+
+required:
+ - compatible
+ - reg
+ - gpio-controller
+ - '#gpio-cells'
+
+additionalProperties: false
+
+examples:
+ - |
+ gpio@40028000 {
+ compatible = "nxp,lpc3220-gpio";
+ reg = <0x40028000 0x1000>;
+ gpio-controller;
+ #gpio-cells = <3>; /* bank, pin, flags */
+ };