arch/arm64/boot/dts/amlogic/meson-gxl-s905x-khadas-vim.dts

   1 /*
   2  * Copyright (c) 2017 Martin Blumenstingl <martin.blumenstingl@googlemail.com>.
   3  *
   4  * SPDX-License-Identifier: (GPL-2.0+ OR MIT)
   5  */
   6
   7 /dts-v1/;
   8
   9 #include <dt-bindings/input/input.h>
  10
  11 #include "meson-gxl-s905x-p212.dtsi"
  12
  13 / {
  14         compatible = "khadas,vim", "amlogic,s905x", "amlogic,meson-gxl";
  15         model = "Khadas VIM";
  16
  17         adc-keys {
  18                 compatible = "adc-keys";
  19                 io-channels = <&saradc 0>;
  20                 io-channel-names = "buttons";
  21                 keyup-threshold-microvolt = <1710000>;
  22
  23                 button-function {
  24                         label = "Function";
  25                         linux,code = <KEY_FN>;
  26                         press-threshold-microvolt = <10000>;
  27                 };
  28         };
  29
  30         aliases {
  31                 serial2 = &uart_AO_B;
  32         };
  33
  34         gpio-keys-polled {
  35                 compatible = "gpio-keys-polled";
  36                 #address-cells = <1>;
  37                 #size-cells = <0>;
  38                 poll-interval = <100>;
  39
  40                 button@0 {
  41                         label = "power";
  42                         linux,code = <KEY_POWER>;
  43                         gpios = <&gpio_ao GPIOAO_2 GPIO_ACTIVE_LOW>;
  44                 };
  45         };
  46
  47         pwmleds {
  48                 compatible = "pwm-leds";
  49
  50                 power {
  51                         label = "vim:red:power";
  52                         pwms = <&pwm_AO_ab 1 7812500 0>;
  53                         max-brightness = <255>;
  54                         linux,default-trigger = "default-on";
  55                 };
  56         };
  57 };
  58
  59 &i2c_A {
  60         status = "okay";
  61         pinctrl-0 = <&i2c_a_pins>;
  62         pinctrl-names = "default";
  63 };
  64
  65 &i2c_B {
  66         status = "okay";
  67         pinctrl-0 = <&i2c_b_pins>;
  68         pinctrl-names = "default";
  69
  70         rtc: rtc@51 {
  71                 /* has to be enabled manually when a battery is connected: */
  72                 status = "disabled";
  73                 compatible = "haoyu,hym8563";
  74                 reg = <0x51>;
  75                 #clock-cells = <0>;
  76                 clock-frequency = <32768>;
  77                 clock-output-names = "xin32k";
  78         };
  79 };
  80
  81 &ir {
  82         linux,rc-map-name = "rc-geekbox";
  83 };
  84
  85 &pwm_AO_ab {
  86         status = "okay";
  87         pinctrl-0 = <&pwm_ao_a_3_pins>, <&pwm_ao_b_pins>;
  88         pinctrl-names = "default";
  89         clocks = <&clkc CLKID_FCLK_DIV4>;
  90         clock-names = "clkin0";
  91 };
  92
  93 &pwm_ef {
  94         pinctrl-0 = <&pwm_e_pins>, <&pwm_f_clk_pins>;
  95 };
  96
  97 &sd_emmc_a {
  98         brcmf: bcrmf@1 {
  99                 reg = <1>;
 100                 compatible = "brcm,bcm4329-fmac";
 101         };
 102 };
 103
 104 /* This is brought out on the Linux_RX (18) and Linux_TX (19) pins: */
 105 &uart_AO {
 106         status = "okay";
 107 };
 108
 109 /* This is brought out on the UART_RX_AO_B (15) and UART_TX_AO_B (16) pins: */
 110 &uart_AO_B {
 111         status = "okay";
 112         pinctrl-0 = <&uart_ao_b_pins>;
 113         pinctrl-names = "default";
 114 };