arch/arm/boot/dts/omap3-overo-base.dtsi

   1 /*
   2  * Copyright (C) 2012 Florian Vaussard, EPFL Mobots group
   3  *
   4  * This program is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License version 2 as
   6  * published by the Free Software Foundation.
   7  */
   8
   9 /*
  10  * The Gumstix Overo must be combined with an expansion board.
  11  */
  12
  13 / {
  14
  15         memory@0 {
  16                 device_type = "memory";
  17                 reg = <0 0>;
  18         };
  19
  20         pwmleds {
  21                 compatible = "pwm-leds";
  22
  23                 overo {
  24                         label = "overo:blue:COM";
  25                         pwms = <&twl_pwmled 1 7812500>;
  26                         max-brightness = <127>;
  27                         linux,default-trigger = "mmc0";
  28                 };
  29         };
  30
  31         sound {
  32                 compatible = "ti,omap-twl4030";
  33                 ti,model = "overo";
  34
  35                 ti,mcbsp = <&mcbsp2>;
  36         };
  37
  38         /* HS USB Port 2 Power */
  39         hsusb2_power: hsusb2_power_reg {
  40                 compatible = "regulator-fixed";
  41                 regulator-name = "hsusb2_vbus";
  42                 regulator-min-microvolt = <5000000>;
  43                 regulator-max-microvolt = <5000000>;
  44                 gpio = <&gpio6 8 GPIO_ACTIVE_HIGH>;             /* gpio_168: vbus enable */
  45                 startup-delay-us = <70000>;
  46                 enable-active-high;
  47         };
  48
  49         /* HS USB Host PHY on PORT 2 */
  50         hsusb2_phy: hsusb2_phy {
  51                 compatible = "usb-nop-xceiv";
  52                 reset-gpios = <&gpio6 23 GPIO_ACTIVE_LOW>;      /* gpio_183 */
  53                 vcc-supply = <&hsusb2_power>;
  54         };
  55
  56         /* Regulator to trigger the nPoweron signal of the Wifi module */
  57         w3cbw003c_npoweron: regulator-w3cbw003c-npoweron {
  58                 compatible = "regulator-fixed";
  59                 regulator-name = "regulator-w3cbw003c-npoweron";
  60                 regulator-min-microvolt = <3300000>;
  61                 regulator-max-microvolt = <3300000>;
  62                 gpio = <&gpio2 22 GPIO_ACTIVE_HIGH>;            /* gpio_54: nPoweron */
  63                 enable-active-high;
  64         };
  65
  66         /* Regulator to trigger the nReset signal of the Wifi module */
  67         w3cbw003c_wifi_nreset: regulator-w3cbw003c-wifi-nreset {
  68                 pinctrl-names = "default";
  69                 pinctrl-0 = <&w3cbw003c_pins &w3cbw003c_2_pins>;
  70                 compatible = "regulator-fixed";
  71                 regulator-name = "regulator-w3cbw003c-wifi-nreset";
  72                 regulator-min-microvolt = <3300000>;
  73                 regulator-max-microvolt = <3300000>;
  74                 gpio = <&gpio1 16 GPIO_ACTIVE_HIGH>;            /* gpio_16: WiFi nReset */
  75                 startup-delay-us = <10000>;
  76         };
  77 };
  78
  79 &omap3_pmx_core {
  80         pinctrl-names = "default";
  81         pinctrl-0 = <
  82                         &hsusb2_pins
  83         >;
  84
  85         uart2_pins: pinmux_uart2_pins {
  86                 pinctrl-single,pins = <
  87                         OMAP3_CORE1_IOPAD(0x216c, PIN_INPUT | MUX_MODE1)        /* mcbsp3_dx.uart2_cts */
  88                         OMAP3_CORE1_IOPAD(0x216e, PIN_OUTPUT | MUX_MODE1)       /* mcbsp3_dr.uart2_rts */
  89                         OMAP3_CORE1_IOPAD(0x2170, PIN_OUTPUT | MUX_MODE1)       /* mcbsp3_clk.uart2_tx */
  90                         OMAP3_CORE1_IOPAD(0x2172, PIN_INPUT | MUX_MODE1)        /* mcbsp3_fsx.uart2_rx */
  91                 >;
  92         };
  93
  94         i2c1_pins: pinmux_i2c1_pins {
  95                 pinctrl-single,pins = <
  96                         OMAP3_CORE1_IOPAD(0x21ba, PIN_INPUT | MUX_MODE0)                /* i2c1_scl.i2c1_scl */
  97                         OMAP3_CORE1_IOPAD(0x21bc, PIN_INPUT | MUX_MODE0)                /* i2c1_sda.i2c1_sda */
  98                 >;
  99         };
 100
 101         mmc1_pins: pinmux_mmc1_pins {
 102                 pinctrl-single,pins = <
 103                         OMAP3_CORE1_IOPAD(0x2144, PIN_INPUT_PULLUP | MUX_MODE0)         /* sdmmc1_clk.sdmmc1_clk */
 104                         OMAP3_CORE1_IOPAD(0x2146, PIN_INPUT_PULLUP | MUX_MODE0)         /* sdmmc1_cmd.sdmmc1_cmd */
 105                         OMAP3_CORE1_IOPAD(0x2148, PIN_INPUT_PULLUP | MUX_MODE0)         /* sdmmc1_dat0.sdmmc1_dat0 */
 106                         OMAP3_CORE1_IOPAD(0x214a, PIN_INPUT_PULLUP | MUX_MODE0)         /* sdmmc1_dat1.sdmmc1_dat1 */
 107                         OMAP3_CORE1_IOPAD(0x214c, PIN_INPUT_PULLUP | MUX_MODE0)         /* sdmmc1_dat2.sdmmc1_dat2 */
 108                         OMAP3_CORE1_IOPAD(0x214e, PIN_INPUT_PULLUP | MUX_MODE0)         /* sdmmc1_dat3.sdmmc1_dat3 */
 109                 >;
 110         };
 111
 112         mmc2_pins: pinmux_mmc2_pins {
 113                 pinctrl-single,pins = <
 114                         OMAP3_CORE1_IOPAD(0x2158, PIN_INPUT_PULLUP | MUX_MODE0)         /* sdmmc2_clk.sdmmc2_clk */
 115                         OMAP3_CORE1_IOPAD(0x215a, PIN_INPUT_PULLUP | MUX_MODE0)         /* sdmmc2_cmd.sdmmc2_cmd */
 116                         OMAP3_CORE1_IOPAD(0x215c, PIN_INPUT_PULLUP | MUX_MODE0)         /* sdmmc2_dat0.sdmmc2_dat0 */
 117                         OMAP3_CORE1_IOPAD(0x215e, PIN_INPUT_PULLUP | MUX_MODE0)         /* sdmmc2_dat1.sdmmc2_dat1 */
 118                         OMAP3_CORE1_IOPAD(0x2160, PIN_INPUT_PULLUP | MUX_MODE0)         /* sdmmc2_dat2.sdmmc2_dat2 */
 119                         OMAP3_CORE1_IOPAD(0x2162, PIN_INPUT_PULLUP | MUX_MODE0)         /* sdmmc2_dat3.sdmmc2_dat3 */
 120                 >;
 121         };
 122
 123         /* WiFi/BT combo */
 124         w3cbw003c_pins: pinmux_w3cbw003c_pins {
 125                 pinctrl-single,pins = <
 126                         OMAP3_CORE1_IOPAD(0x20b4, PIN_OUTPUT | MUX_MODE4)               /* gpmc_ncs3.gpio_54 */
 127                         OMAP3_CORE1_IOPAD(0x219c, PIN_OUTPUT | MUX_MODE4)               /* uart3_rts_sd.gpio_164 */
 128                 >;
 129         };
 130
 131         hsusb2_pins: pinmux_hsusb2_pins {
 132                 pinctrl-single,pins = <
 133                         OMAP3_CORE1_IOPAD(0x21d4, PIN_INPUT_PULLDOWN | MUX_MODE3)       /* mcspi1_cs3.hsusb2_data2 */
 134                         OMAP3_CORE1_IOPAD(0x21d6, PIN_INPUT_PULLDOWN | MUX_MODE3)       /* mcspi2_clk.hsusb2_data7 */
 135                         OMAP3_CORE1_IOPAD(0x21d8, PIN_INPUT_PULLDOWN | MUX_MODE3)       /* mcspi2_simo.hsusb2_data4 */
 136                         OMAP3_CORE1_IOPAD(0x21da, PIN_INPUT_PULLDOWN | MUX_MODE3)       /* mcspi2_somi.hsusb2_data5 */
 137                         OMAP3_CORE1_IOPAD(0x21dc, PIN_INPUT_PULLDOWN | MUX_MODE3)       /* mcspi2_cs0.hsusb2_data6 */
 138                         OMAP3_CORE1_IOPAD(0x21de, PIN_INPUT_PULLDOWN | MUX_MODE3)       /* mcspi2_cs1.hsusb2_data3 */
 139                         OMAP3_CORE1_IOPAD(0x21be, PIN_OUTPUT | MUX_MODE4)               /* i2c2_scl.gpio_168 */
 140                         OMAP3_CORE1_IOPAD(0x21c0, PIN_OUTPUT | MUX_MODE4)               /* i2c2_sda.gpio_183 */
 141                 >;
 142         };
 143 };
 144
 145 &i2c1 {
 146         pinctrl-names = "default";
 147         pinctrl-0 = <&i2c1_pins>;
 148         clock-frequency = <2600000>;
 149
 150         twl: twl@48 {
 151                 reg = <0x48>;
 152                 interrupts = <7>; /* SYS_NIRQ cascaded to intc */
 153                 interrupt-parent = <&intc>;
 154
 155                 twl_audio: audio {
 156                         compatible = "ti,twl4030-audio";
 157                         codec {
 158                         };
 159                 };
 160         };
 161 };
 162
 163 #include "twl4030.dtsi"
 164 #include "twl4030_omap3.dtsi"
 165
 166 /* i2c2 pins are used for gpio */
 167 &i2c2 {
 168         status = "disabled";
 169 };
 170
 171 /* on board microSD slot */
 172 &mmc1 {
 173         pinctrl-names = "default";
 174         pinctrl-0 = <&mmc1_pins>;
 175         vmmc-supply = <&vmmc1>;
 176         bus-width = <4>;
 177 };
 178
 179 /* optional on board WiFi */
 180 &mmc2 {
 181         pinctrl-names = "default";
 182         pinctrl-0 = <&mmc2_pins>;
 183         vmmc-supply = <&w3cbw003c_npoweron>;
 184         vqmmc-supply = <&w3cbw003c_wifi_nreset>;
 185         bus-width = <4>;
 186         cap-sdio-irq;
 187         non-removable;
 188 };
 189
 190 &twl_gpio {
 191         ti,use-leds;
 192 };
 193
 194 &usb_otg_hs {
 195         interface-type = <0>;
 196         usb-phy = <&usb2_phy>;
 197         phys = <&usb2_phy>;
 198         phy-names = "usb2-phy";
 199         mode = <3>;
 200         power = <50>;
 201 };
 202
 203 &usbhshost {
 204         port2-mode = "ehci-phy";
 205 };
 206
 207 &usbhsehci {
 208         phys = <0 &hsusb2_phy>;
 209 };
 210
 211 &uart2 {
 212         pinctrl-names = "default";
 213         pinctrl-0 = <&uart2_pins>;
 214 };
 215
 216 &mcbsp2 {
 217         status = "okay";
 218 };
 219
 220 &gpmc {
 221         ranges = <0 0 0x30000000 0x1000000>,    /* CS0 */
 222                  <4 0 0x2b000000 0x1000000>,    /* CS4 */
 223                  <5 0 0x2c000000 0x1000000>;    /* CS5 */
 224
 225         nand@0,0 {
 226                 compatible = "ti,omap2-nand";
 227                 linux,mtd-name= "micron,mt29c4g96maz";
 228                 reg = <0 0 4>;  /* CS0, offset 0, IO size 4 */
 229                 interrupt-parent = <&gpmc>;
 230                 interrupts = <0 IRQ_TYPE_NONE>, /* fifoevent */
 231                              <1 IRQ_TYPE_NONE>; /* termcount */
 232                 nand-bus-width = <16>;
 233                 gpmc,device-width = <2>;
 234                 ti,nand-ecc-opt = "bch8";
 235
 236                 gpmc,sync-clk-ps = <0>;
 237                 gpmc,cs-on-ns = <0>;
 238                 gpmc,cs-rd-off-ns = <44>;
 239                 gpmc,cs-wr-off-ns = <44>;
 240                 gpmc,adv-on-ns = <6>;
 241                 gpmc,adv-rd-off-ns = <34>;
 242                 gpmc,adv-wr-off-ns = <44>;
 243                 gpmc,we-off-ns = <40>;
 244                 gpmc,oe-off-ns = <54>;
 245                 gpmc,access-ns = <64>;
 246                 gpmc,rd-cycle-ns = <82>;
 247                 gpmc,wr-cycle-ns = <82>;
 248                 gpmc,wr-access-ns = <40>;
 249                 gpmc,wr-data-mux-bus-ns = <0>;
 250
 251                 #address-cells = <1>;
 252                 #size-cells = <1>;
 253
 254                 partition@0 {
 255                         label = "SPL";
 256                         reg = <0 0x80000>; /* 512KiB */
 257                 };
 258                 partition@80000 {
 259                         label = "U-Boot";
 260                         reg = <0x80000 0x1C0000>; /* 1792KiB */
 261                 };
 262                 partition@1c0000 {
 263                         label = "Environment";
 264                         reg = <0x240000 0x40000>; /* 256KiB */
 265                 };
 266                 partition@280000 {
 267                         label = "Kernel";
 268                         reg = <0x280000 0x800000>; /* 8192KiB */
 269                 };
 270                 partition@780000 {
 271                         label = "Filesystem";
 272                         reg = <0xA80000 0>;
 273                         /* HACK: MTDPART_SIZ_FULL=0 so fill to end */
 274                 };
 275         };
 276 };