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authorSascha Hauer <s.hauer@pengutronix.de>2019-06-05 00:06:30 +0200
committerSascha Hauer <s.hauer@pengutronix.de>2019-06-11 09:11:11 +0200
commit796af3473b8222bcd89aa63e9886c355a6baf95d (patch)
treead357b2756bda409b46747faaaf57a0ffd003c9c /dts/Bindings/pps
parent649b9ebcf53d697277bcdb01334dbcd563a33aa8 (diff)
downloadbarebox-796af3473b8222bcd89aa63e9886c355a6baf95d.tar.gz
barebox-796af3473b8222bcd89aa63e9886c355a6baf95d.tar.xz
dts: update to v5.2-rc1
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'dts/Bindings/pps')
-rw-r--r--dts/Bindings/pps/pps-gpio.txt7
1 files changed, 7 insertions, 0 deletions
diff --git a/dts/Bindings/pps/pps-gpio.txt b/dts/Bindings/pps/pps-gpio.txt
index 368387483..9012a2a02 100644
--- a/dts/Bindings/pps/pps-gpio.txt
+++ b/dts/Bindings/pps/pps-gpio.txt
@@ -7,6 +7,10 @@ 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)
@@ -19,5 +23,8 @@ Example:
gpios = <&gpio1 26 GPIO_ACTIVE_HIGH>;
assert-falling-edge;
+ echo-gpios = <&gpio1 27 GPIO_ACTIVE_HIGH>;
+ echo-active-ms = <100>;
+
compatible = "pps-gpio";
};