On Mon, Apr 13, 2020 at 05:40:49PM +0800, Anson Huang wrote:
> Convert the i.MX GPIO binding to DT schema format using json-schema.
>
> Signed-off-by: Anson Huang <Anson.Huang@xxxxxxx>
> ---
> .../devicetree/bindings/gpio/fsl-imx-gpio.txt | 35 -----------
> .../devicetree/bindings/gpio/fsl-imx-gpio.yaml | 72 ++++++++++++++++++++++
> 2 files changed, 72 insertions(+), 35 deletions(-)
> delete mode 100644 Documentation/devicetree/bindings/gpio/fsl-imx-gpio.txt
> create mode 100644 Documentation/devicetree/bindings/gpio/fsl-imx-gpio.yaml
>
> diff --git a/Documentation/devicetree/bindings/gpio/fsl-imx-gpio.txt b/Documentation/devicetree/bindings/gpio/fsl-imx-gpio.txt
> deleted file mode 100644
> index b4cd9f90..0000000
> --- a/Documentation/devicetree/bindings/gpio/fsl-imx-gpio.txt
> +++ /dev/null
> @@ -1,35 +0,0 @@
> -* Freescale i.MX/MXC GPIO controller
> -
> -Required properties:
> -- compatible : Should be "fsl,<soc>-gpio"
> -- reg : Address and length of the register set for the device
> -- interrupts : 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.
> -- gpio-controller : Marks the device node as a gpio controller.
> -- #gpio-cells : Should be two. The first cell is the pin number and
> - the second cell is used to specify the gpio polarity:
> - 0 = active high
> - 1 = active low
> -- interrupt-controller: Marks the device node as an interrupt controller.
> -- #interrupt-cells : Should be 2. The first cell is the GPIO number.
> - The second cell bits[3:0] is used to specify trigger type and level flags:
> - 1 = low-to-high edge triggered.
> - 2 = high-to-low edge triggered.
> - 4 = active high level-sensitive.
> - 8 = active low level-sensitive.
> -
> -Optional properties:
> -- clocks: the clock for clocking the GPIO silicon
> -
> -Example:
> -
> -gpio0: gpio@73f84000 {
> - compatible = "fsl,imx51-gpio", "fsl,imx35-gpio";
> - reg = <0x73f84000 0x4000>;
> - interrupts = <50 51>;
> - gpio-controller;
> - #gpio-cells = <2>;
> - interrupt-controller;
> - #interrupt-cells = <2>;
> -};
> diff --git a/Documentation/devicetree/bindings/gpio/fsl-imx-gpio.yaml b/Documentation/devicetree/bindings/gpio/fsl-imx-gpio.yaml
> new file mode 100644
> index 0000000..465104c
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/gpio/fsl-imx-gpio.yaml
> @@ -0,0 +1,72 @@
> +# 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@xxxxxxx>
> +
> +properties:
> + compatible:
> + oneOf:
> + - items:
> + - enum:
> + - fsl,imx1-gpio
> + - fsl,imx21-gpio
> + - fsl,imx31-gpio
> + - fsl,imx35-gpio
> + - fsl,imx7d-gpio
compatible:
enum:
- fsl,imx1-gpio
- fsl,imx21-gpio
- fsl,imx31-gpio
- fsl,imx35-gpio
- fsl,imx7d-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:
> + description: |
> + The clock for clocking the GPIO silicon.
Can drop.
> + maxItems: 1
> +
> + "#gpio-cells":
> + const: 2
> +
> + gpio-controller: true
> +
> +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>;
> + };
> +
> +...
> --
> 2.7.4
>
