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ARM: ux500: improve BU21013 touchpad bindings

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In preparation to update to bu21013_tp driver properly annotate GPIOs
property (the INT GPIOs are active low, not open drain), and also define
interrupt lines so we do not have to have special conversion in the driver.

Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Dmitry Torokhov
2019-08-09 17:20:29 -07:00
committed by Linus Walleij
parent ca084e178b
commit 97c6261433
2 changed files with 20 additions and 8 deletions
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14
arch/arm/boot/dts/ste-hrefv60plus-stuib.dts
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@@ -6,6 +6,8 @@
*/
/dts-v1/;
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/interrupt-controller/irq.h>
#include "ste-hrefv60plus.dtsi"
#include "ste-href-stuib.dtsi"
@@ -25,12 +27,16 @@
i2c@80110000 {
/* Only one of these will be used */
bu21013_tp@5c {
touch-gpio = <&gpio2 20 0x4>;
reset-gpio = <&gpio4 17 0x4>;
interrupt-parent = <&gpio2>;
interrupts = <20 IRQ_TYPE_LEVEL_LOW>;
touch-gpios = <&gpio2 20 GPIO_ACTIVE_LOW>;
reset-gpios = <&gpio4 17 GPIO_LINE_OPEN_DRAIN>;
};
bu21013_tp@5d {
touch-gpio = <&gpio2 20 0x4>;
reset-gpio = <&gpio4 17 0x4>;
interrupt-parent = <&gpio2>;
interrupts = <20 IRQ_TYPE_LEVEL_LOW>;
touch-gpios = <&gpio2 20 GPIO_ACTIVE_LOW>;
reset-gpios = <&gpio4 17 GPIO_LINE_OPEN_DRAIN>;
};
};
};