From 796af3473b8222bcd89aa63e9886c355a6baf95d Mon Sep 17 00:00:00 2001 From: Sascha Hauer Date: Wed, 5 Jun 2019 00:06:30 +0200 Subject: dts: update to v5.2-rc1 Signed-off-by: Sascha Hauer --- dts/Bindings/iio/proximity/devantech-srf04.txt | 28 -------------------------- 1 file changed, 28 deletions(-) delete mode 100644 dts/Bindings/iio/proximity/devantech-srf04.txt (limited to 'dts/Bindings/iio/proximity/devantech-srf04.txt') diff --git a/dts/Bindings/iio/proximity/devantech-srf04.txt b/dts/Bindings/iio/proximity/devantech-srf04.txt deleted file mode 100644 index d4dc7a227e..0000000000 --- a/dts/Bindings/iio/proximity/devantech-srf04.txt +++ /dev/null @@ -1,28 +0,0 @@ -* Devantech SRF04 ultrasonic range finder - Bit-banging driver using two GPIOs - -Required properties: - - compatible: Should be "devantech,srf04" - - - trig-gpios: Definition of the GPIO for the triggering (output) - This GPIO is set for about 10 us by the driver to tell the - device it should initiate the measurement cycle. - - - echo-gpios: Definition of the GPIO for the echo (input) - This GPIO is set by the device as soon as an ultrasonic - burst is sent out and reset when the first echo is - received. - Thus this GPIO is set while the ultrasonic waves are doing - one round trip. - It needs to be an GPIO which is able to deliver an - interrupt because the time between two interrupts is - measured in the driver. - See Documentation/devicetree/bindings/gpio/gpio.txt for - information on how to specify a consumer gpio. - -Example: -srf04@0 { - compatible = "devantech,srf04"; - trig-gpios = <&gpio1 15 GPIO_ACTIVE_HIGH>; - echo-gpios = <&gpio2 6 GPIO_ACTIVE_HIGH>; -}; -- cgit v1.2.3