arch/arm64/boot/dts/amlogic/meson-gxbb-p200.dts

   1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
   2 /*
   3  * Copyright (c) 2016 Andreas Färber
   4  * Copyright (c) 2016 BayLibre, Inc.
   5  * Author: Kevin Hilman <khilman@kernel.org>
   6  */
   7
   8 /dts-v1/;
   9
  10 #include "meson-gxbb-p20x.dtsi"
  11 #include <dt-bindings/input/input.h>
  12 #include <dt-bindings/sound/meson-aiu.h>
  13
  14 / {
  15         compatible = "amlogic,p200", "amlogic,meson-gxbb";
  16         model = "Amlogic Meson GXBB P200 Development Board";
  17
  18         spdif_dit: audio-codec-0 {
  19                 #sound-dai-cells = <0>;
  20                 compatible = "linux,spdif-dit";
  21                 status = "okay";
  22                 sound-name-prefix = "DIT";
  23         };
  24
  25         avdd18_usb_adc: regulator-avdd18_usb_adc {
  26                 compatible = "regulator-fixed";
  27                 regulator-name = "AVDD18_USB_ADC";
  28                 regulator-min-microvolt = <1800000>;
  29                 regulator-max-microvolt = <1800000>;
  30         };
  31
  32         adc_keys {
  33                 compatible = "adc-keys";
  34                 io-channels = <&saradc 0>;
  35                 io-channel-names = "buttons";
  36                 keyup-threshold-microvolt = <1800000>;
  37
  38                 button-home {
  39                         label = "Home";
  40                         linux,code = <KEY_HOME>;
  41                         press-threshold-microvolt = <900000>; /* 50% */
  42                 };
  43
  44                 button-esc {
  45                         label = "Esc";
  46                         linux,code = <KEY_ESC>;
  47                         press-threshold-microvolt = <684000>; /* 38% */
  48                 };
  49
  50                 button-up {
  51                         label = "Volume Up";
  52                         linux,code = <KEY_VOLUMEUP>;
  53                         press-threshold-microvolt = <468000>; /* 26% */
  54                 };
  55
  56                 button-down {
  57                         label = "Volume Down";
  58                         linux,code = <KEY_VOLUMEDOWN>;
  59                         press-threshold-microvolt = <252000>; /* 14% */
  60                 };
  61
  62                 button-menu {
  63                         label = "Menu";
  64                         linux,code = <KEY_MENU>;
  65                         press-threshold-microvolt = <0>; /* 0% */
  66                 };
  67         };
  68
  69         sound {
  70                 compatible = "amlogic,gx-sound-card";
  71                 model = "P200";
  72                 assigned-clocks = <&clkc CLKID_MPLL0>,
  73                                   <&clkc CLKID_MPLL1>,
  74                                   <&clkc CLKID_MPLL2>;
  75                 assigned-clock-parents = <0>, <0>, <0>;
  76                 assigned-clock-rates = <294912000>,
  77                                        <270950400>,
  78                                        <393216000>;
  79
  80                 dai-link-0 {
  81                         sound-dai = <&aiu AIU_CPU CPU_I2S_FIFO>;
  82                 };
  83
  84                 dai-link-1 {
  85                         sound-dai = <&aiu AIU_CPU CPU_SPDIF_FIFO>;
  86                 };
  87
  88                 dai-link-2 {
  89                         sound-dai = <&aiu AIU_CPU CPU_I2S_ENCODER>;
  90                         dai-format = "i2s";
  91                         mclk-fs = <256>;
  92
  93                         codec-0 {
  94                                 sound-dai = <&aiu AIU_HDMI CTRL_I2S>;
  95                         };
  96                 };
  97
  98                 dai-link-3 {
  99                         sound-dai = <&aiu AIU_CPU CPU_SPDIF_ENCODER>;
 100
 101                         codec-0 {
 102                                 sound-dai = <&spdif_dit>;
 103                         };
 104                 };
 105
 106                 dai-link-4 {
 107                         sound-dai = <&aiu AIU_HDMI CTRL_OUT>;
 108
 109                         codec-0 {
 110                                 sound-dai = <&hdmi_tx>;
 111                         };
 112                 };
 113         };
 114 };
 115
 116 &aiu {
 117         status = "okay";
 118         pinctrl-0 = <&spdif_out_y_pins>;
 119         pinctrl-names = "default";
 120 };
 121
 122 &ethmac {
 123         status = "okay";
 124         pinctrl-0 = <&eth_rgmii_pins>;
 125         pinctrl-names = "default";
 126         phy-handle = <&eth_phy0>;
 127         phy-mode = "rgmii";
 128
 129         amlogic,tx-delay-ns = <2>;
 130
 131         mdio {
 132                 compatible = "snps,dwmac-mdio";
 133                 #address-cells = <1>;
 134                 #size-cells = <0>;
 135
 136                 eth_phy0: ethernet-phy@3 {
 137                         /* Micrel KSZ9031 (0x00221620) */
 138                         reg = <3>;
 139
 140                         reset-assert-us = <10000>;
 141                         reset-deassert-us = <30000>;
 142                         reset-gpios = <&gpio GPIOZ_14 GPIO_ACTIVE_LOW>;
 143
 144                         interrupt-parent = <&gpio_intc>;
 145                         /* MAC_INTR on GPIOZ_15 */
 146                         interrupts = <29 IRQ_TYPE_LEVEL_LOW>;
 147                 };
 148         };
 149 };
 150
 151 &i2c_B {
 152         status = "okay";
 153         pinctrl-0 = <&i2c_b_pins>;
 154         pinctrl-names = "default";
 155 };
 156
 157 &saradc {
 158         status = "okay";
 159         vref-supply = <&avdd18_usb_adc>;
 160 };