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Diffstat (limited to 'Documentation/devicetree/bindings/gpio/nxp,lpc3220-gpio.yaml')
-rw-r--r-- | Documentation/devicetree/bindings/gpio/nxp,lpc3220-gpio.yaml | 50 |
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 */ + }; |