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freebsd
GitHub Repository: freebsd/freebsd-src
 Path: blob/main/sys/contrib/device-tree/Bindings/gpio/aspeed,ast2400-gpio.yaml
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# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)

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%YAML 1.2

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---

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$id: http://devicetree.org/schemas/gpio/aspeed,ast2400-gpio.yaml#

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$schema: http://devicetree.org/meta-schemas/core.yaml#

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title: Aspeed GPIO controller

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maintainers:

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  - Andrew Jeffery <andrew@codeconstruct.com.au>

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properties:

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  compatible:

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    enum:

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      - aspeed,ast2400-gpio

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      - aspeed,ast2500-gpio

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      - aspeed,ast2600-gpio

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  reg:

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    maxItems: 1

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  clocks:

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    maxItems: 1

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    description: The clock to use for debounce timings

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  gpio-controller: true

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  gpio-line-names:

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    minItems: 36

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    maxItems: 232

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  gpio-ranges: true

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  "#gpio-cells":

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    const: 2

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  interrupts:

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    maxItems: 1

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  interrupt-controller: true

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  "#interrupt-cells":

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    const: 2

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  ngpios:

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    minimum: 36

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    maximum: 232

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required:

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  - compatible

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  - reg

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  - interrupts

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  - interrupt-controller

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  - "#interrupt-cells"

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  - gpio-controller

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  - "#gpio-cells"

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allOf:

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  - if:

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      properties:

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        compatible:

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          contains:

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            const: aspeed,ast2400-gpio

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    then:

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      properties:

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        gpio-line-names:

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          minItems: 220

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          maxItems: 220

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        ngpios:

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          const: 220

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  - if:

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      properties:

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        compatible:

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          contains:

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            const: aspeed,ast2500-gpio

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    then:

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      properties:

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        gpio-line-names:

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          minItems: 232

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          maxItems: 232

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        ngpios:

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          const: 232

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  - if:

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      properties:

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        compatible:

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          contains:

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            const: aspeed,ast2600-gpio

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    then:

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      properties:

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        gpio-line-names:

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          minItems: 36

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          maxItems: 208

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        ngpios:

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          enum: [ 36, 208 ]

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      required:

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        - ngpios

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additionalProperties: false

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examples:

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  - |

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    gpio@1e780000 {

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        compatible = "aspeed,ast2400-gpio";

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        reg = <0x1e780000 0x1000>;

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        interrupts = <20>;

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        interrupt-controller;

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        #interrupt-cells = <2>;

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        gpio-controller;

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        #gpio-cells = <2>;

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    };

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  - |

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    gpio: gpio@1e780000 {

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        compatible = "aspeed,ast2500-gpio";

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        reg = <0x1e780000 0x200>;

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        interrupts = <20>;

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        interrupt-controller;

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        #interrupt-cells = <2>;

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        gpio-controller;

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        #gpio-cells = <2>;

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        gpio-ranges = <&pinctrl 0 0 232>;

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    };

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  - |

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    #include <dt-bindings/clock/ast2600-clock.h>

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    #include <dt-bindings/interrupt-controller/arm-gic.h>

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    #include <dt-bindings/interrupt-controller/irq.h>

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    gpio0: gpio@1e780000 {

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        compatible = "aspeed,ast2600-gpio";

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        reg = <0x1e780000 0x400>;

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        clocks = <&syscon ASPEED_CLK_APB2>;

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        interrupts = <GIC_SPI 40 IRQ_TYPE_LEVEL_HIGH>;

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        interrupt-controller;

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        #interrupt-cells = <2>;

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        #gpio-cells = <2>;

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        gpio-controller;

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        gpio-ranges = <&pinctrl 0 0 208>;

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        ngpios = <208>;

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    };

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    gpio1: gpio@1e780800 {

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        compatible = "aspeed,ast2600-gpio";

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        reg = <0x1e780800 0x800>;

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        clocks = <&syscon ASPEED_CLK_APB1>;

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        interrupts = <GIC_SPI 11 IRQ_TYPE_LEVEL_HIGH>;

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        interrupt-controller;

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        #interrupt-cells = <2>;

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        gpio-controller;

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        #gpio-cells = <2>;

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        gpio-ranges = <&pinctrl 0 208 36>;

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        ngpios = <36>;

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    };

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