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| author | Alexander Stein <alexander.stein@systec-electronic.com> | 2016-02-29 08:06:35 +0100 |
|---|---|---|
| committer | Rob Herring <robh@kernel.org> | 2016-03-03 17:28:52 -0600 |
| commit | 299b207dbce8d19cafdc57f50e79883319ba962e (patch) | |
| tree | 6722f5c11c80d733b71c8baa7cfcbc06588028c5 /Documentation/devicetree/bindings/input | |
| parent | 8fe420da36fe1f8863e3f6829316db86398e4f69 (diff) | |
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 <alexander.stein@systec-electronic.com>
Signed-off-by: Rob Herring <robh@kernel.org>
Diffstat (limited to 'Documentation/devicetree/bindings/input')
| -rw-r--r-- | Documentation/devicetree/bindings/input/ads7846.txt | 2 |
1 files changed, 2 insertions, 0 deletions
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 |