diff options
author | Fabio Estevam <festevam@denx.de> | 2023-08-18 20:41:59 +0300 |
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committer | Rob Herring <robh@kernel.org> | 2023-08-19 00:04:13 +0300 |
commit | 7ceb60ece8567e58b7e04965b3a434a0ed606053 (patch) | |
tree | 9505ea0bc68461de627200f4234af485c58f02f8 /Documentation/devicetree/bindings/pps | |
parent | 47aab53331effedd3f5a6136854bd1da011f94b6 (diff) | |
download | linux-7ceb60ece8567e58b7e04965b3a434a0ed606053.tar.xz |
dt-bindings: pps: pps-gpio: Convert to yaml
Convert from pps-gpio.txt to pps-gpio.yaml to allow schema validation.
Signed-off-by: Fabio Estevam <festevam@denx.de>
Acked-by: Rodolfo Giometti <giometti@enneenne.com>
Link: https://lore.kernel.org/r/20230818174159.1680572-1-festevam@gmail.com
Signed-off-by: Rob Herring <robh@kernel.org>
Diffstat (limited to 'Documentation/devicetree/bindings/pps')
-rw-r--r-- | Documentation/devicetree/bindings/pps/pps-gpio.txt | 30 | ||||
-rw-r--r-- | Documentation/devicetree/bindings/pps/pps-gpio.yaml | 49 |
2 files changed, 49 insertions, 30 deletions
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..fd4adfa8d2d4 --- /dev/null +++ b/Documentation/devicetree/bindings/pps/pps-gpio.yaml @@ -0,0 +1,49 @@ +# 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@gmail.com> + +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>; + }; |