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| author |   Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2019-08-09 10:07:06 -0700 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2019-09-02 09:07:18 -0700 |
| commit | db3e34d4036db59cbacc1bff1c622b23d85b766b (patch) | |
| tree | 059de1c5f50b07255bc2b1d6fd96114f5733b449 /Documentation/devicetree/bindings/input/touchscreen/bu21013.txt | |
| parent | Input: bu21013_ts - remove support for platform data (diff) | |
| download | linux-dev-db3e34d4036db59cbacc1bff1c622b23d85b766b.tar.xz linux-dev-db3e34d4036db59cbacc1bff1c622b23d85b766b.zip | |
Input: bu21013_ts - use interrupt from I2C client
Instead of trying to map INT GPIO to interrupt, let's use one supplied by
I2C client. If there is none - bail. This will also allow us to treat INT
GPIO as optional, as per the binding.
Tested-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Diffstat (limited to 'Documentation/devicetree/bindings/input/touchscreen/bu21013.txt')
| -rw-r--r-- | Documentation/devicetree/bindings/input/touchscreen/bu21013.txt | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/Documentation/devicetree/bindings/input/touchscreen/bu21013.txt b/Documentation/devicetree/bindings/input/touchscreen/bu21013.txt index 43899fc36ecf..7ddb5de8343d 100644 --- a/Documentation/devicetree/bindings/input/touchscreen/bu21013.txt +++ b/Documentation/devicetree/bindings/input/touchscreen/bu21013.txt @@ -4,6 +4,8 @@ Required properties: - compatible : "rohm,bu21013_tp" - reg : I2C device address - reset-gpios : GPIO pin enabling (selecting) chip (CS) + - interrupt-parent : the phandle for the gpio controller + - interrupts : (gpio) interrupt to which the chip is connected Optional properties: - touch-gpios : GPIO pin registering a touch event @@ -19,7 +21,9 @@ Example: bu21013_tp@5c { compatible = "rohm,bu21013_tp"; reg = <0x5c>; - touch-gpio = <&gpio2 20 0x4>; + interrupt-parent = <&gpio2>; + interrupts <&20 IRQ_TYPE_LEVEL_LOW>; + touch-gpio = <&gpio2 20 GPIO_ACTIVE_LOW>; avdd-supply = <&ab8500_ldo_aux1_reg>; rohm,touch-max-x = <384>; |