arch/arm/dts/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         hdmi-connector {
  59                 compatible = "hdmi-connector";
  60                 type = "a";
  61
  62                 port {
  63                         hdmi_connector_in: endpoint {
  64                                 remote-endpoint = <&hdmi_tx_tmds_out>;
  65                         };
  66                 };
  67         };
  68 };
  69
  70 &hdmi_tx {
  71         status = "okay";
  72         pinctrl-0 = <&hdmi_hpd_pins>, <&hdmi_i2c_pins>;
  73         pinctrl-names = "default";
  74 };
  75
  76 &hdmi_tx_tmds_port {
  77         hdmi_tx_tmds_out: endpoint {
  78                 remote-endpoint = <&hdmi_connector_in>;
  79         };
  80 };
  81
  82 &i2c_A {
  83         status = "okay";
  84         pinctrl-0 = <&i2c_a_pins>;
  85         pinctrl-names = "default";
  86 };
  87
  88 &i2c_B {
  89         status = "okay";
  90         pinctrl-0 = <&i2c_b_pins>;
  91         pinctrl-names = "default";
  92
  93         rtc: rtc@51 {
  94                 /* has to be enabled manually when a battery is connected: */
  95                 status = "disabled";
  96                 compatible = "haoyu,hym8563";
  97                 reg = <0x51>;
  98                 #clock-cells = <0>;
  99                 clock-frequency = <32768>;
 100                 clock-output-names = "xin32k";
 101         };
 102 };
 103
 104 &ir {
 105         linux,rc-map-name = "rc-geekbox";
 106 };
 107
 108 &pwm_AO_ab {
 109         status = "okay";
 110         pinctrl-0 = <&pwm_ao_a_3_pins>, <&pwm_ao_b_pins>;
 111         pinctrl-names = "default";
 112         clocks = <&xtal> , <&xtal>;
 113         clock-names = "clkin0", "clkin1" ;
 114 };
 115
 116 &pwm_ef {
 117         pinctrl-0 = <&pwm_e_pins>, <&pwm_f_clk_pins>;
 118 };
 119
 120 &sd_emmc_a {
 121         brcmf: wifi@1 {
 122                 reg = <1>;
 123                 compatible = "brcm,bcm4329-fmac";
 124         };
 125 };
 126
 127 /* This is brought out on the Linux_RX (18) and Linux_TX (19) pins: */
 128 &uart_AO {
 129         status = "okay";
 130 };
 131
 132 /* This is brought out on the UART_RX_AO_B (15) and UART_TX_AO_B (16) pins: */
 133 &uart_AO_B {
 134         status = "okay";
 135         pinctrl-0 = <&uart_ao_b_pins>;
 136         pinctrl-names = "default";
 137 };