arch/arm/boot/dts/am437x-gp-evm.dts

   1 /*
   2  * Copyright (C) 2013 Texas Instruments Incorporated - http://www.ti.com/
   3  *
   4  * This program is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License version 2 as
   6  * published by the Free Software Foundation.
   7  */
   8
   9 /* AM437x GP EVM */
  10
  11 /dts-v1/;
  12
  13 #include "am4372.dtsi"
  14 #include <dt-bindings/pinctrl/am43xx.h>
  15 #include <dt-bindings/pwm/pwm.h>
  16 #include <dt-bindings/gpio/gpio.h>
  17
  18 / {
  19         model = "TI AM437x GP EVM";
  20         compatible = "ti,am437x-gp-evm","ti,am4372","ti,am43";
  21
  22         vmmcsd_fixed: fixedregulator-sd {
  23                 compatible = "regulator-fixed";
  24                 regulator-name = "vmmcsd_fixed";
  25                 regulator-min-microvolt = <3300000>;
  26                 regulator-max-microvolt = <3300000>;
  27                 enable-active-high;
  28         };
  29
  30         backlight {
  31                 compatible = "pwm-backlight";
  32                 pwms = <&ecap0 0 50000 PWM_POLARITY_INVERTED>;
  33                 brightness-levels = <0 51 53 56 62 75 101 152 255>;
  34                 default-brightness-level = <8>;
  35         };
  36
  37         matrix_keypad: matrix_keypad@0 {
  38                 compatible = "gpio-matrix-keypad";
  39                 debounce-delay-ms = <5>;
  40                 col-scan-delay-us = <2>;
  41
  42                 row-gpios = <&gpio3 21 GPIO_ACTIVE_HIGH /* Bank3, pin21 */
  43                                 &gpio4 3 GPIO_ACTIVE_HIGH /* Bank4, pin3 */
  44                                 &gpio4 2 GPIO_ACTIVE_HIGH>; /* Bank4, pin2 */
  45
  46                 col-gpios = <&gpio3 19 GPIO_ACTIVE_HIGH /* Bank3, pin19 */
  47                                 &gpio3 20 GPIO_ACTIVE_HIGH>; /* Bank3, pin20 */
  48
  49                 linux,keymap = <0x00000201      /* P1 */
  50                                 0x00010202      /* P2 */
  51                                 0x01000067      /* UP */
  52                                 0x0101006a      /* RIGHT */
  53                                 0x02000069      /* LEFT */
  54                                 0x0201006c>;      /* DOWN */
  55                 };
  56 };
  57
  58 &am43xx_pinmux {
  59         i2c0_pins: i2c0_pins {
  60                 pinctrl-single,pins = <
  61                         0x188 (PIN_INPUT_PULLUP | SLEWCTRL_FAST | MUX_MODE0)  /* i2c0_sda.i2c0_sda */
  62                         0x18c (PIN_INPUT_PULLUP | SLEWCTRL_FAST | MUX_MODE0)  /* i2c0_scl.i2c0_scl */
  63                 >;
  64         };
  65
  66         i2c1_pins: i2c1_pins {
  67                 pinctrl-single,pins = <
  68                         0x15c (PIN_INPUT_PULLUP | SLEWCTRL_FAST | MUX_MODE2)  /* spi0_cs0.i2c1_scl */
  69                         0x158 (PIN_INPUT_PULLUP | SLEWCTRL_FAST | MUX_MODE2)  /* spi0_d1.i2c1_sda  */
  70                 >;
  71         };
  72
  73         mmc1_pins: pinmux_mmc1_pins {
  74                 pinctrl-single,pins = <
  75                         0x160 (PIN_INPUT | MUX_MODE7) /* spi0_cs1.gpio0_6 */
  76                 >;
  77         };
  78
  79         ecap0_pins: backlight_pins {
  80                 pinctrl-single,pins = <
  81                         0x164 MUX_MODE0       /* eCAP0_in_PWM0_out.eCAP0_in_PWM0_out MODE0 */
  82                 >;
  83         };
  84 };
  85
  86 &i2c0 {
  87         status = "okay";
  88         pinctrl-names = "default";
  89         pinctrl-0 = <&i2c0_pins>;
  90 };
  91
  92 &i2c1 {
  93         status = "okay";
  94         pinctrl-names = "default";
  95         pinctrl-0 = <&i2c1_pins>;
  96 };
  97
  98 &epwmss0 {
  99         status = "okay";
 100 };
 101
 102 &ecap0 {
 103         status = "okay";
 104         pinctrl-names = "default";
 105         pinctrl-0 = <&ecap0_pins>;
 106 };
 107
 108 &gpio0 {
 109         status = "okay";
 110 };
 111
 112 &gpio3 {
 113         status = "okay";
 114 };
 115
 116 &gpio4 {
 117         status = "okay";
 118 };
 119
 120 &mmc1 {
 121         status = "okay";
 122         vmmc-supply = <&vmmcsd_fixed>;
 123         bus-width = <4>;
 124         pinctrl-names = "default";
 125         pinctrl-0 = <&mmc1_pins>;
 126         cd-gpios = <&gpio0 6 GPIO_ACTIVE_HIGH>;
 127 };