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-rw-r--r--dts/Bindings/gpio/fsl-imx-gpio.yaml123
1 files changed, 123 insertions, 0 deletions
diff --git a/dts/Bindings/gpio/fsl-imx-gpio.yaml b/dts/Bindings/gpio/fsl-imx-gpio.yaml
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+++ b/dts/Bindings/gpio/fsl-imx-gpio.yaml
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+# SPDX-License-Identifier: GPL-2.0
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/gpio/fsl-imx-gpio.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Freescale i.MX/MXC GPIO controller
+
+maintainers:
+ - Anson Huang <Anson.Huang@nxp.com>
+
+properties:
+ compatible:
+ oneOf:
+ - enum:
+ - fsl,imx1-gpio
+ - fsl,imx21-gpio
+ - fsl,imx31-gpio
+ - fsl,imx35-gpio
+ - fsl,imx7d-gpio
+ - items:
+ - enum:
+ - fsl,imx27-gpio
+ - const: fsl,imx21-gpio
+ - items:
+ - const: fsl,imx35-gpio
+ - const: fsl,imx31-gpio
+ - items:
+ - enum:
+ - fsl,imx25-gpio
+ - const: fsl,imx35-gpio
+ - items:
+ - enum:
+ - fsl,imx50-gpio
+ - fsl,imx51-gpio
+ - fsl,imx53-gpio
+ - fsl,imx6q-gpio
+ - fsl,imx6sl-gpio
+ - fsl,imx6sll-gpio
+ - fsl,imx6sx-gpio
+ - fsl,imx6ul-gpio
+ - fsl,imx7d-gpio
+ - fsl,imx8dxl-gpio
+ - fsl,imx8mm-gpio
+ - fsl,imx8mn-gpio
+ - fsl,imx8mp-gpio
+ - fsl,imx8mq-gpio
+ - fsl,imx8qm-gpio
+ - fsl,imx8qxp-gpio
+ - fsl,imxrt1050-gpio
+ - fsl,imxrt1170-gpio
+ - const: fsl,imx35-gpio
+
+ reg:
+ maxItems: 1
+
+ interrupts:
+ description: |
+ Should be the port interrupt shared by all 32 pins, if one number.
+ If two numbers, the first one is the interrupt shared by low 16 pins
+ and the second one is for high 16 pins.
+ minItems: 1
+ maxItems: 2
+
+ interrupt-controller: true
+
+ "#interrupt-cells":
+ const: 2
+
+ clocks:
+ maxItems: 1
+
+ "#gpio-cells":
+ const: 2
+
+ gpio-controller: true
+ gpio-line-names: true
+ gpio-ranges: true
+
+ power-domains:
+ maxItems: 1
+
+patternProperties:
+ "^(hog-[0-9]+|.+-hog(-[0-9]+)?)$":
+ type: object
+ properties:
+ gpio-hog: true
+ gpios: true
+ input: true
+ output-high: true
+ output-low: true
+ line-name: true
+
+ required:
+ - gpio-hog
+ - gpios
+
+ additionalProperties: false
+
+required:
+ - compatible
+ - reg
+ - interrupts
+ - interrupt-controller
+ - "#interrupt-cells"
+ - "#gpio-cells"
+ - gpio-controller
+
+additionalProperties: false
+
+examples:
+ - |
+ gpio0: gpio@73f84000 {
+ compatible = "fsl,imx35-gpio";
+ reg = <0x73f84000 0x4000>;
+ interrupts = <50 51>;
+ gpio-controller;
+ #gpio-cells = <2>;
+ interrupt-controller;
+ #interrupt-cells = <2>;
+ };
+
+...