[PATCH] dt-bindings: gpio: nxp,lpc3220-gpio: Convert to dtschema

[Animesh Agarwal]

This is v2 of the same patch, sorry for missing to mention it in the commit.


On Sat, Jul 27, 2024 at 6:30 PM Animesh Agarwal
<animeshagarwal28 at gmail.com> wrote:
>
> Convert the NXP LPC3220 SoC GPIO controller bindings to DT schema format.
>
> Cc: Daniel Baluta <daniel.baluta at nxp.com>
> Signed-off-by: Animesh Agarwal <animeshagarwal28 at gmail.com>
>
> --
> Changes in v2:
>   - Changed the file name to match the compatible string.
>   - Removed optional from the description of '#gpio-cells' as it was wrongly
>     present.
> ---
>  .../devicetree/bindings/gpio/gpio_lpc32xx.txt | 43 ---------------
>  .../bindings/gpio/nxp,lpc3220-gpio.yaml       | 52 +++++++++++++++++++
>  2 files changed, 52 insertions(+), 43 deletions(-)
>  delete mode 100644 Documentation/devicetree/bindings/gpio/gpio_lpc32xx.txt
>  create mode 100644 Documentation/devicetree/bindings/gpio/nxp,lpc3220-gpio.yaml
>
> diff --git a/Documentation/devicetree/bindings/gpio/gpio_lpc32xx.txt b/Documentation/devicetree/bindings/gpio/gpio_lpc32xx.txt
> deleted file mode 100644
> index 49819367a011..000000000000
> --- a/Documentation/devicetree/bindings/gpio/gpio_lpc32xx.txt
> +++ /dev/null
> @@ -1,43 +0,0 @@
> -NXP LPC32xx SoC GPIO controller
> -
> -Required properties:
> -- compatible: must be "nxp,lpc3220-gpio"
> -- reg: Physical base address and length of the controller's registers.
> -- gpio-controller: Marks the device node as a GPIO controller.
> -- #gpio-cells: Should be 3:
> -   1) bank:
> -      0: GPIO P0
> -      1: GPIO P1
> -      2: GPIO P2
> -      3: GPIO P3
> -      4: GPI P3
> -      5: GPO P3
> -   2) pin number
> -   3) optional parameters:
> -      - bit 0 specifies polarity (0 for normal, 1 for inverted)
> -- reg: Index of the GPIO group
> -
> -Example:
> -
> -       gpio: gpio at 40028000 {
> -               compatible = "nxp,lpc3220-gpio";
> -               reg = <0x40028000 0x1000>;
> -               gpio-controller;
> -               #gpio-cells = <3>; /* bank, pin, flags */
> -       };
> -
> -       leds {
> -               compatible = "gpio-leds";
> -
> -               led0 {
> -                       gpios = <&gpio 5 1 1>; /* GPO_P3 1, active low */
> -                       linux,default-trigger = "heartbeat";
> -                       default-state = "off";
> -               };
> -
> -               led1 {
> -                       gpios = <&gpio 5 14 1>; /* GPO_P3 14, active low */
> -                       linux,default-trigger = "timer";
> -                       default-state = "off";
> -               };
> -       };
> 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..cea2f2bb2393
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/gpio/nxp,lpc3220-gpio.yaml
> @@ -0,0 +1,52 @@
> +# 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 at 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:
> +  - |
> +    #include <dt-bindings/gpio/gpio.h>
> +
> +    gpio at 40028000 {
> +        compatible = "nxp,lpc3220-gpio";
> +        reg = <0x40028000 0x1000>;
> +        gpio-controller;
> +        #gpio-cells = <3>; /* bank, pin, flags */
> +    };
> --
> 2.45.2
>