arch/arm/boot/dts/zynq-ebaz4205.dts

   1 // SPDX-License-Identifier: GPL-2.0
   2 /*
   3  * Copyright (C) 2021 Michael Walle <michael@walle.cc>
   4  */
   5 /dts-v1/;
   6 /include/ "zynq-7000.dtsi"
   7
   8 / {
   9         model = "Ebang EBAZ4205";
  10         compatible = "ebang,ebaz4205", "xlnx,zynq-7000";
  11
  12         aliases {
  13                 ethernet0 = &gem0;
  14                 serial0 = &uart1;
  15         };
  16
  17         memory@0 {
  18                 device_type = "memory";
  19                 reg = <0x0 0x10000000>;
  20         };
  21
  22         chosen {
  23                 stdout-path = "serial0:115200n8";
  24         };
  25 };
  26
  27 &clkc {
  28         ps-clk-frequency = <33333333>;
  29         fclk-enable = <8>;
  30 };
  31
  32 &gem0 {
  33         status = "okay";
  34         phy-mode = "mii";
  35         phy-handle = <&phy>;
  36
  37         /* PHY clock */
  38         assigned-clocks = <&clkc 18>;
  39         assigned-clock-rates = <25000000>;
  40
  41         phy: ethernet-phy@0 {
  42                 reg = <0>;
  43         };
  44 };
  45
  46 &gpio0 {
  47         pinctrl-names = "default";
  48         pinctrl-0 = <&pinctrl_gpio0_default>;
  49 };
  50
  51 &nfc0 {
  52         status = "okay";
  53
  54         nand@0 {
  55                 reg = <0>;
  56         };
  57 };
  58
  59 &pinctrl0 {
  60         pinctrl_gpio0_default: gpio0-default {
  61                 mux {
  62                         groups = "gpio0_20_grp", "gpio0_32_grp";
  63                         function = "gpio0";
  64                 };
  65
  66                 conf {
  67                         groups = "gpio0_20_grp", "gpio0_32_grp";
  68                         io-standard = <3>;
  69                         slew-rate = <0>;
  70                 };
  71
  72                 conf-pull-up {
  73                         pins = "MIO20", "MIO32";
  74                         bias-disable;
  75                 };
  76         };
  77
  78         pinctrl_sdhci0_default: sdhci0-default {
  79                 mux {
  80                         groups = "sdio0_2_grp";
  81                         function = "sdio0";
  82                 };
  83
  84                 conf {
  85                         groups = "sdio0_2_grp";
  86                         io-standard = <3>;
  87                         slew-rate = <0>;
  88                         bias-disable;
  89                 };
  90
  91                 mux-cd {
  92                         groups = "gpio0_34_grp";
  93                         function = "sdio0_cd";
  94                 };
  95
  96                 conf-cd {
  97                         groups = "gpio0_34_grp";
  98                         io-standard = <3>;
  99                         slew-rate = <0>;
 100                         bias-high-impedance;
 101                         bias-pull-up;
 102                 };
 103         };
 104
 105         pinctrl_uart1_default: uart1-default {
 106                 mux {
 107                         groups = "uart1_4_grp";
 108                         function = "uart1";
 109                 };
 110
 111                 conf {
 112                         groups = "uart1_4_grp";
 113                         io-standard = <3>;
 114                         slew-rate = <0>;
 115                 };
 116
 117                 conf-rx {
 118                         pins = "MIO25";
 119                         bias-high-impedance;
 120                 };
 121
 122                 conf-tx {
 123                         pins = "MIO24";
 124                         bias-disable;
 125                 };
 126         };
 127 };
 128
 129 &smcc {
 130         status = "okay";
 131 };
 132
 133 &sdhci0 {
 134         status = "okay";
 135         disable-wp;
 136         pinctrl-names = "default";
 137         pinctrl-0 = <&pinctrl_sdhci0_default>;
 138 };
 139
 140 &uart1 {
 141         status = "okay";
 142         pinctrl-names = "default";
 143         pinctrl-0 = <&pinctrl_uart1_default>;
 144 };