From 299b207dbce8d19cafdc57f50e79883319ba962e Mon Sep 17 00:00:00 2001 From: Alexander Stein Date: Mon, 29 Feb 2016 08:06:35 +0100 Subject: [PATCH] Input: ads7846: Add description how to use internal reference (ADS7846) By simply setting vref-mv to 0 the internal reference will be used. Document that! Signed-off-by: Alexander Stein Signed-off-by: Rob Herring --- Documentation/devicetree/bindings/input/ads7846.txt | 2 ++ 1 file changed, 2 insertions(+) diff --git a/Documentation/devicetree/bindings/input/ads7846.txt b/Documentation/devicetree/bindings/input/ads7846.txt index 33a1638b61d6..c6cfe2e3ed41 100644 --- a/Documentation/devicetree/bindings/input/ads7846.txt +++ b/Documentation/devicetree/bindings/input/ads7846.txt @@ -29,6 +29,8 @@ Optional properties: ti,vref-delay-usecs vref supply delay in usecs, 0 for external vref (u16). ti,vref-mv The VREF voltage, in millivolts (u16). + Set to 0 to use internal refernce + (ADS7846). ti,keep-vref-on set to keep vref on for differential measurements as well ti,swap-xy swap x and y axis -- 2.20.1