On Wed, Aug 09, 2023 at 08:08:12AM -0300, Fabio Estevam wrote:
> From: Fabio Estevam <festevam@xxxxxxx>
>
> Convert from pps-gpio.txt to pps-gpio.yaml to allow schema validation.
>
> Signed-off-by: Fabio Estevam <festevam@xxxxxxx>
> ---
> .../devicetree/bindings/pps/pps-gpio.txt | 30 ------------
> .../devicetree/bindings/pps/pps-gpio.yaml | 46 +++++++++++++++++++
> 2 files changed, 46 insertions(+), 30 deletions(-)
> delete mode 100644 Documentation/devicetree/bindings/pps/pps-gpio.txt
> create mode 100644 Documentation/devicetree/bindings/pps/pps-gpio.yaml
>
> diff --git a/Documentation/devicetree/bindings/pps/pps-gpio.txt b/Documentation/devicetree/bindings/pps/pps-gpio.txt
> deleted file mode 100644
> index 9012a2a02e14..000000000000
> --- a/Documentation/devicetree/bindings/pps/pps-gpio.txt
> +++ /dev/null
> @@ -1,30 +0,0 @@
> -Device-Tree Bindings for a PPS Signal on GPIO
> -
> -These properties describe a PPS (pulse-per-second) signal connected to
> -a GPIO pin.
> -
> -Required properties:
> -- compatible: should be "pps-gpio"
> -- gpios: one PPS GPIO in the format described by ../gpio/gpio.txt
> -
> -Additional required properties for the PPS ECHO functionality:
> -- echo-gpios: one PPS ECHO GPIO in the format described by ../gpio/gpio.txt
> -- echo-active-ms: duration in ms of the active portion of the echo pulse
> -
> -Optional properties:
> -- assert-falling-edge: when present, assert is indicated by a falling edge
> - (instead of by a rising edge)
> -
> -Example:
> - pps {
> - pinctrl-names = "default";
> - pinctrl-0 = <&pinctrl_pps>;
> -
> - gpios = <&gpio1 26 GPIO_ACTIVE_HIGH>;
> - assert-falling-edge;
> -
> - echo-gpios = <&gpio1 27 GPIO_ACTIVE_HIGH>;
> - echo-active-ms = <100>;
> -
> - compatible = "pps-gpio";
> - };
> diff --git a/Documentation/devicetree/bindings/pps/pps-gpio.yaml b/Documentation/devicetree/bindings/pps/pps-gpio.yaml
> new file mode 100644
> index 000000000000..801fd2720080
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/pps/pps-gpio.yaml
> @@ -0,0 +1,46 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/pps/pps-gpio.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: PPS Signal via GPIO
> +
> +maintainers:
> + - Fabio Estevam <festevam@xxxxxxxxx>
> +
> +properties:
> + compatible:
> + const: pps-gpio
> +
> + gpios:
> + description: The GPIO that provides the PPS signal.
maxItems: 1
> +
> + echo-gpios:
> + description: The GPIO that provides the PPS ECHO signal.
maxItems: 1
> +
> + echo-active-ms:
> + description: Duration in ms of the active portion of the echo pulse.
> +
> + assert-falling-edge:
> + description: Indicates a falling edge assert, when present. Rising edge if absent.
type: boolean
> +
> +required:
> + - compatible
> + - gpios
> +
> +additionalProperties: false
> +
> +examples:
> + - |
> + #include <dt-bindings/gpio/gpio.h>
> +
> + pps {
> + compatible = "pps-gpio";
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_pps>;
> + gpios = <&gpio1 26 GPIO_ACTIVE_HIGH>;
> + assert-falling-edge;
> + echo-gpios = <&gpio1 27 GPIO_ACTIVE_HIGH>;
> + echo-active-ms = <100>;
> + };
> --
> 2.34.1
>
