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Diffstat (limited to 'Documentation/devicetree/bindings/pps/pps-gpio.txt')
-rw-r--r-- | Documentation/devicetree/bindings/pps/pps-gpio.txt | 30 |
1 files changed, 0 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"; - }; |