mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
synced 2024-12-29 14:05:19 +08:00
51724dbb5c
Add gpio keys node for am43x gp evm. Signed-off-by: Sourav Poddar <sourav.poddar@ti.com> Signed-off-by: Benoit Cousson <bcousson@baylibre.com>
101 lines
2.3 KiB
Plaintext
101 lines
2.3 KiB
Plaintext
/*
|
|
* Copyright (C) 2013 Texas Instruments Incorporated - http://www.ti.com/
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License version 2 as
|
|
* published by the Free Software Foundation.
|
|
*/
|
|
|
|
/* AM437x GP EVM */
|
|
|
|
/dts-v1/;
|
|
|
|
#include "am4372.dtsi"
|
|
#include <dt-bindings/pinctrl/am43xx.h>
|
|
#include <dt-bindings/pwm/pwm.h>
|
|
#include <dt-bindings/gpio/gpio.h>
|
|
|
|
/ {
|
|
model = "TI AM437x GP EVM";
|
|
compatible = "ti,am437x-gp-evm","ti,am4372","ti,am43";
|
|
|
|
backlight {
|
|
compatible = "pwm-backlight";
|
|
pwms = <&ecap0 0 50000 PWM_POLARITY_INVERTED>;
|
|
brightness-levels = <0 51 53 56 62 75 101 152 255>;
|
|
default-brightness-level = <8>;
|
|
};
|
|
|
|
matrix_keypad: matrix_keypad@0 {
|
|
compatible = "gpio-matrix-keypad";
|
|
debounce-delay-ms = <5>;
|
|
col-scan-delay-us = <2>;
|
|
|
|
row-gpios = <&gpio3 21 GPIO_ACTIVE_HIGH /* Bank3, pin21 */
|
|
&gpio4 3 GPIO_ACTIVE_HIGH /* Bank4, pin3 */
|
|
&gpio4 2 GPIO_ACTIVE_HIGH>; /* Bank4, pin2 */
|
|
|
|
col-gpios = <&gpio3 19 GPIO_ACTIVE_HIGH /* Bank3, pin19 */
|
|
&gpio3 20 GPIO_ACTIVE_HIGH>; /* Bank3, pin20 */
|
|
|
|
linux,keymap = <0x00000201 /* P1 */
|
|
0x00010202 /* P2 */
|
|
0x01000067 /* UP */
|
|
0x0101006a /* RIGHT */
|
|
0x02000069 /* LEFT */
|
|
0x0201006c>; /* DOWN */
|
|
};
|
|
};
|
|
|
|
&am43xx_pinmux {
|
|
i2c0_pins: i2c0_pins {
|
|
pinctrl-single,pins = <
|
|
0x188 (PIN_INPUT_PULLUP | SLEWCTRL_FAST | MUX_MODE0) /* i2c0_sda.i2c0_sda */
|
|
0x18c (PIN_INPUT_PULLUP | SLEWCTRL_FAST | MUX_MODE0) /* i2c0_scl.i2c0_scl */
|
|
>;
|
|
};
|
|
|
|
i2c1_pins: i2c1_pins {
|
|
pinctrl-single,pins = <
|
|
0x15c (PIN_INPUT_PULLUP | SLEWCTRL_FAST | MUX_MODE2) /* spi0_cs0.i2c1_scl */
|
|
0x158 (PIN_INPUT_PULLUP | SLEWCTRL_FAST | MUX_MODE2) /* spi0_d1.i2c1_sda */
|
|
>;
|
|
};
|
|
|
|
ecap0_pins: backlight_pins {
|
|
pinctrl-single,pins = <
|
|
0x164 MUX_MODE0 /* eCAP0_in_PWM0_out.eCAP0_in_PWM0_out MODE0 */
|
|
>;
|
|
};
|
|
};
|
|
|
|
&i2c0 {
|
|
status = "okay";
|
|
pinctrl-names = "default";
|
|
pinctrl-0 = <&i2c0_pins>;
|
|
};
|
|
|
|
&i2c1 {
|
|
status = "okay";
|
|
pinctrl-names = "default";
|
|
pinctrl-0 = <&i2c1_pins>;
|
|
};
|
|
|
|
&epwmss0 {
|
|
status = "okay";
|
|
};
|
|
|
|
&ecap0 {
|
|
status = "okay";
|
|
pinctrl-names = "default";
|
|
pinctrl-0 = <&ecap0_pins>;
|
|
};
|
|
|
|
&gpio3 {
|
|
status = "okay";
|
|
};
|
|
|
|
&gpio4 {
|
|
status = "okay";
|
|
};
|