1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
|
/*
* 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";
};
|