From e5e9b5fae7e7d1fad87e4abb52f5f3d55c9f4e25 Mon Sep 17 00:00:00 2001 From: Matt Ranostay Date: Tue, 16 May 2017 19:03:10 -0700 Subject: iio: proximity: as3935: add missing required spi-max-frequency spi-max-frequency is required to be set for the as3935 part, and document such usage. Cc: devicetree@vger.kernel.org Signed-off-by: Matt Ranostay Signed-off-by: Rob Herring --- Documentation/devicetree/bindings/iio/proximity/as3935.txt | 2 ++ 1 file changed, 2 insertions(+) diff --git a/Documentation/devicetree/bindings/iio/proximity/as3935.txt b/Documentation/devicetree/bindings/iio/proximity/as3935.txt index ae23dd8da736..38d74314b7ab 100644 --- a/Documentation/devicetree/bindings/iio/proximity/as3935.txt +++ b/Documentation/devicetree/bindings/iio/proximity/as3935.txt @@ -3,6 +3,7 @@ Austrian Microsystems AS3935 Franklin lightning sensor device driver Required properties: - compatible: must be "ams,as3935" - reg: SPI chip select number for the device + - spi-max-frequency: specifies maximum SPI clock frequency - spi-cpha: SPI Mode 1. Refer to spi/spi-bus.txt for generic SPI slave node bindings. - interrupt-parent : should be the phandle for the interrupt controller @@ -21,6 +22,7 @@ Example: as3935@0 { compatible = "ams,as3935"; reg = <0>; + spi-max-frequency = <400000>; spi-cpha; interrupt-parent = <&gpio1>; interrupts = <16 1>; -- cgit v1.2.3-59-g8ed1b