Commit db2056e2 authored by Yinbo Zhu's avatar Yinbo Zhu Committed by Bartosz Golaszewski
Browse files

dt-bindings: gpio: add loongson gpio 



Add the Loongson platform gpio binding with DT schema format using
json-schema.

Signed-off-by: default avatarYinbo Zhu <zhuyinbo@loongson.cn>
Reviewed-by: default avatarKrzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: default avatarBartosz Golaszewski <bartosz.golaszewski@linaro.org>
parent fe15c26e

Documentation/devicetree/bindings/gpio/loongson,ls-gpio.yaml

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+126 −0
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# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)

%YAML 1.2

---

$id: http://devicetree.org/schemas/gpio/loongson,ls-gpio.yaml#

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



title: Loongson GPIO controller.



maintainers:

  - Yinbo Zhu <zhuyinbo@loongson.cn>



properties:

  compatible:

    enum:

      - loongson,ls2k-gpio

      - loongson,ls7a-gpio



  reg:

    maxItems: 1



  ngpios:

    minimum: 1

    maximum: 64



  "#gpio-cells":

    const: 2



  gpio-controller: true



  gpio-ranges: true



  interrupts:

    minItems: 1

    maxItems: 64



required:

  - compatible

  - reg

  - ngpios

  - "#gpio-cells"

  - gpio-controller

  - gpio-ranges

  - interrupts



additionalProperties: false



examples:

  - |

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



    gpio0: gpio@1fe00500 {

      compatible = "loongson,ls2k-gpio";

      reg = <0x1fe00500 0x38>;

      ngpios = <64>;

      #gpio-cells = <2>;

      gpio-controller;

      gpio-ranges = <&pctrl 0 0 15>,

                    <&pctrl 16 16 15>,

                    <&pctrl 32 32 10>,

                    <&pctrl 44 44 20>;

      interrupt-parent = <&liointc1>;

      interrupts = <28 IRQ_TYPE_LEVEL_LOW>,

                   <29 IRQ_TYPE_LEVEL_LOW>,

                   <30 IRQ_TYPE_LEVEL_LOW>,

                   <30 IRQ_TYPE_LEVEL_LOW>,

                   <26 IRQ_TYPE_LEVEL_LOW>,

                   <26 IRQ_TYPE_LEVEL_LOW>,

                   <26 IRQ_TYPE_LEVEL_LOW>,

                   <26 IRQ_TYPE_LEVEL_LOW>,

                   <26 IRQ_TYPE_LEVEL_LOW>,

                   <26 IRQ_TYPE_LEVEL_LOW>,

                   <26 IRQ_TYPE_LEVEL_LOW>,

                   <26 IRQ_TYPE_LEVEL_LOW>,

                   <26 IRQ_TYPE_LEVEL_LOW>,

                   <26 IRQ_TYPE_LEVEL_LOW>,

                   <26 IRQ_TYPE_LEVEL_LOW>,

                   <>,

                   <26 IRQ_TYPE_LEVEL_LOW>,

                   <26 IRQ_TYPE_LEVEL_LOW>,

                   <26 IRQ_TYPE_LEVEL_LOW>,

                   <26 IRQ_TYPE_LEVEL_LOW>,

                   <26 IRQ_TYPE_LEVEL_LOW>,

                   <26 IRQ_TYPE_LEVEL_LOW>,

                   <26 IRQ_TYPE_LEVEL_LOW>,

                   <26 IRQ_TYPE_LEVEL_LOW>,

                   <26 IRQ_TYPE_LEVEL_LOW>,

                   <26 IRQ_TYPE_LEVEL_LOW>,

                   <26 IRQ_TYPE_LEVEL_LOW>,

                   <26 IRQ_TYPE_LEVEL_LOW>,

                   <26 IRQ_TYPE_LEVEL_LOW>,

                   <26 IRQ_TYPE_LEVEL_LOW>,

                   <26 IRQ_TYPE_LEVEL_LOW>,

                   <26 IRQ_TYPE_LEVEL_LOW>,

                   <27 IRQ_TYPE_LEVEL_LOW>,

                   <27 IRQ_TYPE_LEVEL_LOW>,

                   <27 IRQ_TYPE_LEVEL_LOW>,

                   <27 IRQ_TYPE_LEVEL_LOW>,

                   <27 IRQ_TYPE_LEVEL_LOW>,

                   <>,

                   <27 IRQ_TYPE_LEVEL_LOW>,

                   <27 IRQ_TYPE_LEVEL_LOW>,

                   <27 IRQ_TYPE_LEVEL_LOW>,

                   <27 IRQ_TYPE_LEVEL_LOW>,

                   <>,

                   <>,

                   <27 IRQ_TYPE_LEVEL_LOW>,

                   <27 IRQ_TYPE_LEVEL_LOW>,

                   <27 IRQ_TYPE_LEVEL_LOW>,

                   <27 IRQ_TYPE_LEVEL_LOW>,

                   <27 IRQ_TYPE_LEVEL_LOW>,

                   <27 IRQ_TYPE_LEVEL_LOW>,

                   <27 IRQ_TYPE_LEVEL_LOW>,

                   <27 IRQ_TYPE_LEVEL_LOW>,

                   <27 IRQ_TYPE_LEVEL_LOW>,

                   <27 IRQ_TYPE_LEVEL_LOW>,

                   <27 IRQ_TYPE_LEVEL_LOW>,

                   <27 IRQ_TYPE_LEVEL_LOW>,

                   <27 IRQ_TYPE_LEVEL_LOW>,

                   <27 IRQ_TYPE_LEVEL_LOW>,

                   <27 IRQ_TYPE_LEVEL_LOW>,

                   <27 IRQ_TYPE_LEVEL_LOW>,

                   <27 IRQ_TYPE_LEVEL_LOW>,

                   <27 IRQ_TYPE_LEVEL_LOW>,

                   <27 IRQ_TYPE_LEVEL_LOW>,

                   <27 IRQ_TYPE_LEVEL_LOW>;

    };

MAINTAINERS

+6 −0
Original line number Diff line number Diff line
@@ -12116,6 +12116,12 @@ S: Maintained 
F:	Documentation/devicetree/bindings/pinctrl/loongson,ls2k-pinctrl.yaml

F:	drivers/pinctrl/pinctrl-loongson2.c









LOONGSON GPIO DRIVER









M:	Yinbo Zhu <zhuyinbo@loongson.cn>









L:	linux-gpio@vger.kernel.org









S:	Maintained









F:	Documentation/devicetree/bindings/gpio/loongson,ls-gpio.yaml

















LOONGSON-2 SOC SERIES CLOCK DRIVER









M:	Yinbo Zhu <zhuyinbo@loongson.cn>









L:	linux-clk@vger.kernel.org