arch/arm/dts/meson-gxl-s905x-khadas-vim.dts

   1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
   2 /*
   3  * Copyright (c) 2017 Martin Blumenstingl <martin.blumenstingl@googlemail.com>.
   4  */
   5
   6 /dts-v1/;
   7
   8 #include <dt-bindings/input/input.h>
   9
  10 #include "meson-gxl-s905x-p212.dtsi"
  11
  12 / {
  13         compatible = "khadas,vim", "amlogic,s905x", "amlogic,meson-gxl";
  14         model = "Khadas VIM";
  15
  16         adc-keys {
  17                 compatible = "adc-keys";
  18                 io-channels = <&saradc 0>;
  19                 io-channel-names = "buttons";
  20                 keyup-threshold-microvolt = <1710000>;
  21
  22                 button-function {
  23                         label = "Function";
  24                         linux,code = <KEY_FN>;
  25                         press-threshold-microvolt = <10000>;
  26                 };
  27         };
  28
  29         aliases {
  30                 serial2 = &uart_AO_B;
  31         };
  32
  33         gpio-keys-polled {
  34                 compatible = "gpio-keys-polled";
  35                 #address-cells = <1>;
  36                 #size-cells = <0>;
  37                 poll-interval = <100>;
  38
  39                 button@0 {
  40                         label = "power";
  41                         linux,code = <KEY_POWER>;
  42                         gpios = <&gpio_ao GPIOAO_2 GPIO_ACTIVE_LOW>;
  43                 };
  44         };
  45
  46         pwmleds {
  47                 compatible = "pwm-leds";
  48
  49                 power {
  50                         label = "vim:red:power";
  51                         pwms = <&pwm_AO_ab 1 7812500 0>;
  52                         max-brightness = <255>;
  53                         linux,default-trigger = "default-on";
  54                 };
  55         };
  56
  57         hdmi-connector {
  58                 compatible = "hdmi-connector";
  59                 type = "a";
  60
  61                 port {
  62                         hdmi_connector_in: endpoint {
  63                                 remote-endpoint = <&hdmi_tx_tmds_out>;
  64                         };
  65                 };
  66         };
  67 };
  68
  69 &hdmi_tx {
  70         status = "okay";
  71         pinctrl-0 = <&hdmi_hpd_pins>, <&hdmi_i2c_pins>;
  72         pinctrl-names = "default";
  73 };
  74
  75 &hdmi_tx_tmds_port {
  76         hdmi_tx_tmds_out: endpoint {
  77                 remote-endpoint = <&hdmi_connector_in>;
  78         };
  79 };
  80
  81 &i2c_A {
  82         status = "okay";
  83         pinctrl-0 = <&i2c_a_pins>;
  84         pinctrl-names = "default";
  85 };
  86
  87 &i2c_B {
  88         status = "okay";
  89         pinctrl-0 = <&i2c_b_pins>;
  90         pinctrl-names = "default";
  91
  92         rtc: rtc@51 {
  93                 /* has to be enabled manually when a battery is connected: */
  94                 status = "disabled";
  95                 compatible = "haoyu,hym8563";
  96                 reg = <0x51>;
  97                 #clock-cells = <0>;
  98                 clock-frequency = <32768>;
  99                 clock-output-names = "xin32k";
 100         };
 101 };
 102
 103 &ir {
 104         linux,rc-map-name = "rc-geekbox";
 105 };
 106
 107 &pwm_AO_ab {
 108         status = "okay";
 109         pinctrl-0 = <&pwm_ao_a_3_pins>, <&pwm_ao_b_pins>;
 110         pinctrl-names = "default";
 111         clocks = <&xtal> , <&xtal>;
 112         clock-names = "clkin0", "clkin1" ;
 113 };
 114
 115 &pwm_ef {
 116         pinctrl-0 = <&pwm_e_pins>, <&pwm_f_clk_pins>;
 117 };
 118
 119 &sd_emmc_a {
 120         brcmf: wifi@1 {
 121                 reg = <1>;
 122                 compatible = "brcm,bcm4329-fmac";
 123         };
 124 };
 125
 126 /* This is brought out on the Linux_RX (18) and Linux_TX (19) pins: */
 127 &uart_AO {
 128         status = "okay";
 129 };
 130
 131 /* This is brought out on the UART_RX_AO_B (15) and UART_TX_AO_B (16) pins: */
 132 &uart_AO_B {
 133         status = "okay";
 134         pinctrl-0 = <&uart_ao_b_pins>;
 135         pinctrl-names = "default";
 136 };