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_PADCONF(AM335X_PIN_I2C0_SDA, PIN_INPUT_PULLUP, MUX_MODE0)
  37                         AM33XX_PADCONF(AM335X_PIN_I2C0_SCL, PIN_INPUT_PULLUP, MUX_MODE0)
  38                 >;
  39         };
  40
  41         push_button_pins: pinmux_push_button {
  42                 pinctrl-single,pins = <
  43                         AM33XX_PADCONF(AM335X_PIN_LCD_HSYNC, PIN_INPUT_PULLDOWN, MUX_MODE7)     /* lcd_hsync.gpio2_23 */
  44                 >;
  45         };
  46
  47         uart0_pins: pinmux_uart0_pins {
  48                 pinctrl-single,pins = <
  49                         AM33XX_PADCONF(AM335X_PIN_UART0_RXD, PIN_INPUT_PULLUP, MUX_MODE0)
  50                         AM33XX_PADCONF(AM335X_PIN_UART0_TXD, PIN_OUTPUT_PULLDOWN, MUX_MODE0)
  51                 >;
  52         };
  53
  54         davinci_mdio_default: davinci_mdio_default {
  55                 pinctrl-single,pins = <
  56                         /* MDIO */
  57                         AM33XX_PADCONF(AM335X_PIN_MDIO, PIN_INPUT_PULLUP | SLEWCTRL_FAST, MUX_MODE0)
  58                         AM33XX_PADCONF(AM335X_PIN_MDC, PIN_OUTPUT_PULLUP, MUX_MODE0)
  59                 >;
  60         };
  61
  62         mmc1_pins_default: pinmux_mmc1_pins {
  63                 pinctrl-single,pins = <
  64                         /* eMMC */
  65                         AM33XX_PADCONF(AM335X_PIN_GPMC_AD0, PIN_INPUT_PULLUP, MUX_MODE1)        /* gpmc_ad12.mmc1_dat0 */
  66                         AM33XX_PADCONF(AM335X_PIN_GPMC_AD1, PIN_INPUT_PULLUP, MUX_MODE1)        /* gpmc_ad13.mmc1_dat1 */
  67                         AM33XX_PADCONF(AM335X_PIN_GPMC_AD2, PIN_INPUT_PULLUP, MUX_MODE1)        /* gpmc_ad14.mmc1_dat2 */
  68                         AM33XX_PADCONF(AM335X_PIN_GPMC_AD3, PIN_INPUT_PULLUP, MUX_MODE1)        /* gpmc_ad15.mmc1_dat3 */
  69                         AM33XX_PADCONF(AM335X_PIN_GPMC_AD4, PIN_INPUT_PULLUP, MUX_MODE1)        /* gpmc_ad8.mmc1_dat4 */
  70                         AM33XX_PADCONF(AM335X_PIN_GPMC_AD5, PIN_INPUT_PULLUP, MUX_MODE1)        /* gpmc_ad9.mmc1_dat5 */
  71                         AM33XX_PADCONF(AM335X_PIN_GPMC_AD6, PIN_INPUT_PULLUP, MUX_MODE1)        /* gpmc_ad10.mmc1_dat6 */
  72                         AM33XX_PADCONF(AM335X_PIN_GPMC_AD7, PIN_INPUT_PULLUP, MUX_MODE1)        /* gpmc_ad11.mmc1_dat7 */
  73                         AM33XX_PADCONF(AM335X_PIN_GPMC_CSN2, PIN_INPUT_PULLUP, MUX_MODE2)       /* gpmc_csn2.mmc1_cmd */
  74                         AM33XX_PADCONF(AM335X_PIN_GPMC_CSN1, PIN_INPUT_PULLUP, MUX_MODE2)       /* gpmc_csn1.mmc1_clk */
  75                 >;
  76         };
  77
  78         spi0_pins: pinmux_spi0 {
  79                 pinctrl-single,pins = <
  80                         AM33XX_PADCONF(AM335X_PIN_SPI0_SCLK, PIN_INPUT_PULLUP, MUX_MODE0)
  81                         AM33XX_PADCONF(AM335X_PIN_SPI0_CS0, PIN_INPUT_PULLUP, MUX_MODE0)
  82                         AM33XX_PADCONF(AM335X_PIN_SPI0_D0, PIN_INPUT_PULLUP, MUX_MODE0)
  83                         AM33XX_PADCONF(AM335X_PIN_SPI0_D1, PIN_INPUT_PULLUP, MUX_MODE0)
  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 &usb0 {
 115         dr_mode = "host";
 116 };
 117
 118 /* Power */
 119 &vbat {
 120         regulator-name = "vbat";
 121         regulator-min-microvolt = <5000000>;
 122         regulator-max-microvolt = <5000000>;
 123 };
 124
 125 &mac {
 126         pinctrl-names = "default";
 127         pinctrl-0 = <&cpsw_default>;
 128         status = "okay";
 129 };
 130
 131 &davinci_mdio {
 132         pinctrl-names = "default";
 133         pinctrl-0 = <&davinci_mdio_default>;
 134         status = "okay";
 135 };
 136
 137 &cpsw_emac0 {
 138         status = "okay";
 139 };
 140
 141 &cpsw_emac1 {
 142         status = "okay";
 143 };
 144
 145 &sham {
 146         status = "okay";
 147 };
 148
 149 &aes {
 150         status = "okay";
 151 };
 152
 153 &gpio0 {
 154         ti,no-reset-on-init;
 155 };
 156
 157 &mmc2 {
 158         pinctrl-names = "default";
 159         vmmc-supply = <&vmmcsd_fixed>;
 160         bus-width = <8>;
 161         pinctrl-0 = <&mmc1_pins_default>;
 162         ti,non-removable;
 163         status = "okay";
 164 };
 165
 166 &buttons {
 167         pinctrl-names = "default";
 168         pinctrl-0 = <&push_button_pins>;
 169         #address-cells = <1>;
 170         #size-cells = <0>;
 171
 172         button@0 {
 173                 label = "push_button";
 174                 linux,code = <0x100>;
 175                 gpios = <&gpio2 23 GPIO_ACTIVE_LOW>;
 176         };
 177 };
 178
 179 /* SPI Busses */
 180 &spi0 {
 181         status = "okay";
 182         pinctrl-names = "default";
 183         pinctrl-0 = <&spi0_pins>;
 184
 185         m25p80@0 {
 186                 compatible = "mx25l6405d";
 187                 spi-max-frequency = <40000000>;
 188
 189                 reg = <0>;
 190                 spi-cpol;
 191                 spi-cpha;
 192
 193                 partitions {
 194                         compatible = "fixed-partitions";
 195                         #address-cells = <1>;
 196                         #size-cells = <1>;
 197
 198                         /* reg : The partition's offset and size within the mtd bank. */
 199                         partitions@0 {
 200                                 label = "MLO";
 201                                 reg = <0x0 0x80000>;
 202                         };
 203
 204                         partitions@1 {
 205                                 label = "U-Boot";
 206                                 reg = <0x80000 0x100000>;
 207                         };
 208
 209                         partitions@2 {
 210                                 label = "U-Boot Env";
 211                                 reg = <0x180000 0x40000>;
 212                         };
 213                 };
 214         };
 215 };
 216
 217 &spi1 {
 218         status = "okay";
 219         pinctrl-names = "default";
 220         pinctrl-0 = <&spi1_pins>;
 221
 222         tpm_spi_tis@0 {
 223                 compatible = "tcg,tpm_tis-spi";
 224                 reg = <0>;
 225                 spi-max-frequency = <500000>;
 226         };
 227 };