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author | Damien Riegel <damien.riegel@savoirfairelinux.com> | 2015-12-16 11:49:14 -0800 |
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committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2015-12-16 14:00:51 -0800 |
commit | 40e3be3933aee185fd6ab1ec87dfaf3502d9f5b3 (patch) | |
tree | 9a540b813042313ad181449d4260543a43f9c1a6 /Documentation/devicetree/bindings/input | |
parent | 6b0f8f9c52efe24d6dac06ab963b7bd91c723751 (diff) | |
download | op-kernel-dev-40e3be3933aee185fd6ab1ec87dfaf3502d9f5b3.zip op-kernel-dev-40e3be3933aee185fd6ab1ec87dfaf3502d9f5b3.tar.gz |
Input: add touchscreen support for TS-4800
On this board, the touchscreen, an ads7843, is not handled directly by
Linux but by a companion FPGA. This FPGA is memory-mapped and the IP
design is very similar to the mk712.
This commit adds the support for this IP.
Signed-off-by: Damien Riegel <damien.riegel@savoirfairelinux.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Diffstat (limited to 'Documentation/devicetree/bindings/input')
-rw-r--r-- | Documentation/devicetree/bindings/input/touchscreen/ts4800-ts.txt | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/input/touchscreen/ts4800-ts.txt b/Documentation/devicetree/bindings/input/touchscreen/ts4800-ts.txt new file mode 100644 index 0000000..4c1c092 --- /dev/null +++ b/Documentation/devicetree/bindings/input/touchscreen/ts4800-ts.txt @@ -0,0 +1,11 @@ +* TS-4800 Touchscreen bindings + +Required properties: +- compatible: must be "technologic,ts4800-ts" +- reg: physical base address of the controller and length of memory mapped + region. +- syscon: phandle / integers array that points to the syscon node which + describes the FPGA's syscon registers. + - phandle to FPGA's syscon + - offset to the touchscreen register + - offset to the touchscreen enable bit |