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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-11 08:27:49 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-11 08:27:49 +0000
commitace9429bb58fd418f0c81d4c2835699bddf6bde6 (patch)
treeb2d64bc10158fdd5497876388cd68142ca374ed3 /Documentation/devicetree/bindings/pps
parentInitial commit. (diff)
downloadlinux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.tar.xz
linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.zip
Adding upstream version 6.6.15.upstream/6.6.15
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'Documentation/devicetree/bindings/pps')
-rw-r--r--Documentation/devicetree/bindings/pps/pps-gpio.yaml49
1 files changed, 49 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/pps/pps-gpio.yaml b/Documentation/devicetree/bindings/pps/pps-gpio.yaml
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+++ b/Documentation/devicetree/bindings/pps/pps-gpio.yaml
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+# 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>;
+ };