diff options
| author |   Sebastian Reichel <sebastian.reichel@collabora.co.uk> | 2017-07-03 10:39:59 +0200 |
|---|---|---|
| committer |   Lee Jones <lee.jones@linaro.org> | 2017-09-05 08:46:00 +0100 |
| commit | 5368b06dba4b911654221f3aad92b3298392a59a (patch) | |
| tree | eb8e215b470030dc838ee24e15de797ba2248a82 /Documentation/devicetree/bindings/mfd/da9052-i2c.txt | |
| parent | mfd: max8998: Fix potential NULL pointer dereference (diff) | |
| download | linux-dev-5368b06dba4b911654221f3aad92b3298392a59a.tar.xz linux-dev-5368b06dba4b911654221f3aad92b3298392a59a.zip | |
dt-bindings: mfd: da9052: Support TSI as ADC
DA9052 allows using the touchscreen input pins as general purpose
analogue input pin by wiring analogue inputs to X+, X-, Y+ and Y-
and providing a reference voltage at TSIREF pin.
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.co.uk>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Diffstat (limited to 'Documentation/devicetree/bindings/mfd/da9052-i2c.txt')
| -rw-r--r-- | Documentation/devicetree/bindings/mfd/da9052-i2c.txt | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/mfd/da9052-i2c.txt b/Documentation/devicetree/bindings/mfd/da9052-i2c.txt index 9554292dc6cb..57fa74e65664 100644 --- a/Documentation/devicetree/bindings/mfd/da9052-i2c.txt +++ b/Documentation/devicetree/bindings/mfd/da9052-i2c.txt @@ -4,6 +4,14 @@ Required properties: - compatible : Should be "dlg,da9052", "dlg,da9053-aa", "dlg,da9053-ab", or "dlg,da9053-bb" +Optional properties: +- dlg,tsi-as-adc : Boolean, if set the X+, X-, Y+, Y- touchscreen + input lines are used as general purpose analogue + input. +- tsiref-supply: Phandle to the regulator, which provides the reference + voltage for the TSIREF pin. Must be provided when the + touchscreen pins are used for ADC purposes. + Sub-nodes: - regulators : Contain the regulator nodes. The DA9052/53 regulators are bound using their names as listed below: |