bindings/input/atmel%2Cmaxtouch.yaml

1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10   - Nick Dyer <nick@shmanahar.org>
11   - Linus Walleij <linus.walleij@linaro.org>
18   - $ref: input.yaml#
30   vdda-supply:
34   vdd-supply:
38   reset-gpios:
41       Optional GPIO specifier for the touchscreen's reset pin
42       (active low). The line must be flagged with
45   wake-gpios:
49       (active low). The line must be flagged with
52   linux,gpio-keymap:
53     $ref: /schemas/types.yaml#/definitions/uint32-array
59       <dt-bindings/input/input.h>.
70   atmel,wakeup-method:
73       The WAKE line is an active-low input that is used to wake up the touch
74       controller from deep-sleep mode before communication with the controller
81        1) left permanently low
82        2) connected to the I2C-compatible SCL pin
85       - 0 # ATMEL_MXT_WAKEUP_NONE
86       - 1 # ATMEL_MXT_WAKEUP_I2C_SCL
87       - 2 # ATMEL_MXT_WAKEUP_GPIO
90   wakeup-source:
94   - compatible
95   - reg
96   - interrupts
101   - |
102     #include <dt-bindings/interrupt-controller/irq.h>
103     #include <dt-bindings/input/atmel-maxtouch.h>
104     #include <dt-bindings/gpio/gpio.h>
106       #address-cells = <1>;
107       #size-cells = <0>;
111         interrupt-parent = <&gpio>;
113         reset-gpios = <&gpio 27 GPIO_ACTIVE_LOW>;
114         vdda-supply = <&ab8500_ldo_aux2_reg>;
115         vdd-supply = <&ab8500_ldo_aux5_reg>;
116         atmel,wakeup-method = <ATMEL_MXT_WAKEUP_I2C_SCL>;