arch/arm/boot/dts/am335x-moxa-uc-2100-common.dtsi

   1 // SPDX-License-Identifier: GPL-2.0
   2 /*
   3  * Copyright (C) 2018 MOXA Inc. - https://www.moxa.com/
   4  *
   5  * Authors: SZ Lin (林上智) <sz.lin@moxa.com>
   6  *          Wes Huang (黃淵河) <wes.huang@moxa.com>
   7  *          Fero JD Zhou (周俊達) <FeroJD.Zhou@moxa.com>
   8  */
   9
  10 #include "am33xx.dtsi"
  11
  12 / {
  13         vbat: vbat-regulator {
  14                 compatible = "regulator-fixed";
  15         };
  16
  17         /* Power supply provides a fixed 3.3V @3A */
  18         vmmcsd_fixed: vmmcsd-regulator {
  19               compatible = "regulator-fixed";
  20               regulator-name = "vmmcsd_fixed";
  21               regulator-min-microvolt = <3300000>;
  22               regulator-max-microvolt = <3300000>;
  23               regulator-boot-on;
  24         };
  25
  26         buttons: push_button {
  27                 compatible = "gpio-keys";
  28         };
  29 };
  30
  31 &am33xx_pinmux {
  32         pinctrl-names = "default";
  33
  34         i2c0_pins: pinmux_i2c0_pins {
  35                 pinctrl-single,pins = <
  36                         AM33XX_IOPAD(0x988, PIN_INPUT_PULLUP | MUX_MODE0)       /* i2c0_sda.i2c0_sda */
  37                         AM33XX_IOPAD(0x98c, PIN_INPUT_PULLUP | MUX_MODE0)       /* i2c0_scl.i2c0_scl */
  38                 >;
  39         };
  40
  41         push_button_pins: pinmux_push_button {
  42                 pinctrl-single,pins = <
  43                         AM33XX_IOPAD(0x8e4, PIN_INPUT_PULLDOWN | MUX_MODE7)     /* lcd_hsync.gpio2_23 */
  44                 >;
  45         };
  46
  47         uart0_pins: pinmux_uart0_pins {
  48                 pinctrl-single,pins = <
  49                         AM33XX_IOPAD(0x970, PIN_INPUT_PULLUP | MUX_MODE0)       /* uart0_rxd.uart0_rxd */
  50                         AM33XX_IOPAD(0x974, PIN_OUTPUT_PULLDOWN | MUX_MODE0)    /* uart0_txd.uart0_txd */
  51                 >;
  52         };
  53
  54         davinci_mdio_default: davinci_mdio_default {
  55                 pinctrl-single,pins = <
  56                         /* MDIO */
  57                         AM33XX_IOPAD(0x948, PIN_INPUT_PULLUP | SLEWCTRL_FAST | MUX_MODE0)       /* mdio_data.mdio_data */
  58                         AM33XX_IOPAD(0x94c, PIN_OUTPUT_PULLUP | MUX_MODE0)                      /* mdio_clk.mdio_clk */
  59                 >;
  60         };
  61
  62         mmc1_pins_default: pinmux_mmc1_pins {
  63                 pinctrl-single,pins = <
  64                         /* eMMC */
  65                         AM33XX_IOPAD(0x800, PIN_INPUT_PULLUP | MUX_MODE1)       /* gpmc_ad12.mmc1_dat0 */
  66                         AM33XX_IOPAD(0x804, PIN_INPUT_PULLUP | MUX_MODE1)       /* gpmc_ad13.mmc1_dat1 */
  67                         AM33XX_IOPAD(0x808, PIN_INPUT_PULLUP | MUX_MODE1)       /* gpmc_ad14.mmc1_dat2 */
  68                         AM33XX_IOPAD(0x80c, PIN_INPUT_PULLUP | MUX_MODE1)       /* gpmc_ad15.mmc1_dat3 */
  69                         AM33XX_IOPAD(0x810, PIN_INPUT_PULLUP | MUX_MODE1)       /* gpmc_ad8.mmc1_dat4 */
  70                         AM33XX_IOPAD(0x814, PIN_INPUT_PULLUP | MUX_MODE1)       /* gpmc_ad9.mmc1_dat5 */
  71                         AM33XX_IOPAD(0x818, PIN_INPUT_PULLUP | MUX_MODE1)       /* gpmc_ad10.mmc1_dat6 */
  72                         AM33XX_IOPAD(0x81c, PIN_INPUT_PULLUP | MUX_MODE1)       /* gpmc_ad11.mmc1_dat7 */
  73                         AM33XX_IOPAD(0x884, PIN_INPUT_PULLUP | MUX_MODE2)       /* gpmc_csn2.mmc1_cmd */
  74                         AM33XX_IOPAD(0x880, PIN_INPUT_PULLUP | MUX_MODE2)       /* gpmc_csn1.mmc1_clk */
  75                 >;
  76         };
  77
  78         spi0_pins: pinmux_spi0 {
  79                 pinctrl-single,pins = <
  80                         AM33XX_IOPAD(0x950, PIN_INPUT_PULLUP | MUX_MODE0)        /* spi0_sclk.spi0_sclk */
  81                         AM33XX_IOPAD(0x95c, PIN_INPUT_PULLUP | MUX_MODE0)        /* spi0_cs0.spi0_cs0 */
  82                         AM33XX_IOPAD(0x954, PIN_INPUT_PULLUP | MUX_MODE0)        /* spi0_d0.spi0_d0 */
  83                         AM33XX_IOPAD(0x958, PIN_INPUT_PULLUP | MUX_MODE0)        /* spi0_d1.spi0_d1 */
  84                 >;
  85         };
  86 };
  87
  88 &uart0 {
  89         /* Console */
  90         status = "okay";
  91         pinctrl-names = "default";
  92         pinctrl-0 = <&uart0_pins>;
  93 };
  94
  95 &i2c0 {
  96         pinctrl-names = "default";
  97         pinctrl-0 = <&i2c0_pins>;
  98
  99         status = "okay";
 100         clock-frequency = <400000>;
 101
 102         eeprom: eeprom@50 {
 103                 compatible = "atmel,24c16";
 104                 pagesize = <16>;
 105                 reg = <0x50>;
 106         };
 107
 108         rtc_wdt: rtc_wdt@68 {
 109                 compatible = "dallas,ds1374";
 110                 reg = <0x68>;
 111         };
 112 };
 113
 114 &usb {
 115         status = "okay";
 116 };
 117
 118 &usb_ctrl_mod {
 119         status = "okay";
 120 };
 121
 122 &usb0_phy {
 123         status = "okay";
 124 };
 125
 126 &usb0 {
 127         status = "okay";
 128         dr_mode = "host";
 129 };
 130
 131 &cppi41dma  {
 132         status = "okay";
 133 };
 134
 135 /* Power */
 136 &vbat {
 137         regulator-name = "vbat";
 138         regulator-min-microvolt = <5000000>;
 139         regulator-max-microvolt = <5000000>;
 140 };
 141
 142 &mac {
 143         pinctrl-names = "default";
 144         pinctrl-0 = <&cpsw_default>;
 145         status = "okay";
 146 };
 147
 148 &davinci_mdio {
 149         pinctrl-names = "default";
 150         pinctrl-0 = <&davinci_mdio_default>;
 151         status = "okay";
 152 };
 153
 154 &cpsw_emac0 {
 155         status = "okay";
 156 };
 157
 158 &cpsw_emac1 {
 159         status = "okay";
 160 };
 161
 162 &sham {
 163         status = "okay";
 164 };
 165
 166 &aes {
 167         status = "okay";
 168 };
 169
 170 &gpio0 {
 171         ti,no-reset-on-init;
 172 };
 173
 174 &mmc2 {
 175         pinctrl-names = "default";
 176         vmmc-supply = <&vmmcsd_fixed>;
 177         bus-width = <8>;
 178         pinctrl-0 = <&mmc1_pins_default>;
 179         ti,non-removable;
 180         status = "okay";
 181 };
 182
 183 &buttons {
 184         pinctrl-names = "default";
 185         pinctrl-0 = <&push_button_pins>;
 186         #address-cells = <1>;
 187         #size-cells = <0>;
 188
 189         button@0 {
 190                 label = "push_button";
 191                 linux,code = <0x100>;
 192                 gpios = <&gpio2 23 GPIO_ACTIVE_LOW>;
 193         };
 194 };
 195
 196 /* SPI Busses */
 197 &spi0 {
 198         status = "okay";
 199         pinctrl-names = "default";
 200         pinctrl-0 = <&spi0_pins>;
 201
 202         m25p80@0 {
 203                 compatible = "mx25l6405d";
 204                 spi-max-frequency = <40000000>;
 205
 206                 reg = <0>;
 207                 spi-cpol;
 208                 spi-cpha;
 209
 210                 partitions {
 211                         compatible = "fixed-partitions";
 212                         #address-cells = <1>;
 213                         #size-cells = <1>;
 214
 215                         /* reg : The partition's offset and size within the mtd bank. */
 216                         partitions@0 {
 217                                 label = "MLO";
 218                                 reg = <0x0 0x80000>;
 219                         };
 220
 221                         partitions@1 {
 222                                 label = "U-Boot";
 223                                 reg = <0x80000 0x100000>;
 224                         };
 225
 226                         partitions@2 {
 227                                 label = "U-Boot Env";
 228                                 reg = <0x180000 0x40000>;
 229                         };
 230                 };
 231         };
 232 };
 233
 234 &spi1 {
 235         status = "okay";
 236         pinctrl-names = "default";
 237         pinctrl-0 = <&spi1_pins>;
 238
 239         tpm_spi_tis@0 {
 240                 compatible = "tcg,tpm_tis-spi";
 241                 reg = <0>;
 242                 spi-max-frequency = <500000>;
 243         };
 244 };