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         pwmleds {
  15                 compatible = "pwm-leds";
  16
  17                 overo {
  18                         label = "overo:blue:COM";
  19                         pwms = <&twl_pwmled 1 7812500>;
  20                         max-brightness = <127>;
  21                         linux,default-trigger = "mmc0";
  22                 };
  23         };
  24
  25         sound {
  26                 compatible = "ti,omap-twl4030";
  27                 ti,model = "overo";
  28
  29                 ti,mcbsp = <&mcbsp2>;
  30                 ti,codec = <&twl_audio>;
  31         };
  32
  33         /* HS USB Port 2 Power */
  34         hsusb2_power: hsusb2_power_reg {
  35                 compatible = "regulator-fixed";
  36                 regulator-name = "hsusb2_vbus";
  37                 regulator-min-microvolt = <5000000>;
  38                 regulator-max-microvolt = <5000000>;
  39                 gpio = <&gpio6 8 0>;                            /* gpio_168: vbus enable */
  40                 startup-delay-us = <70000>;
  41                 enable-active-high;
  42         };
  43
  44         /* HS USB Host PHY on PORT 2 */
  45         hsusb2_phy: hsusb2_phy {
  46                 compatible = "usb-nop-xceiv";
  47                 reset-gpios = <&gpio6 23 GPIO_ACTIVE_LOW>;      /* gpio_183 */
  48                 vcc-supply = <&hsusb2_power>;
  49         };
  50
  51         /* Regulator to trigger the nPoweron signal of the Wifi module */
  52         w3cbw003c_npoweron: regulator-w3cbw003c-npoweron {
  53                 compatible = "regulator-fixed";
  54                 regulator-name = "regulator-w3cbw003c-npoweron";
  55                 regulator-min-microvolt = <3300000>;
  56                 regulator-max-microvolt = <3300000>;
  57                 gpio = <&gpio2 22 GPIO_ACTIVE_HIGH>;            /* gpio_54: nPoweron */
  58                 enable-active-high;
  59         };
  60
  61         /* Regulator to trigger the nReset signal of the Wifi module */
  62         w3cbw003c_wifi_nreset: regulator-w3cbw003c-wifi-nreset {
  63                 pinctrl-names = "default";
  64                 pinctrl-0 = <&w3cbw003c_pins &w3cbw003c_2_pins>;
  65                 compatible = "regulator-fixed";
  66                 regulator-name = "regulator-w3cbw003c-wifi-nreset";
  67                 regulator-min-microvolt = <3300000>;
  68                 regulator-max-microvolt = <3300000>;
  69                 gpio = <&gpio1 16 GPIO_ACTIVE_HIGH>;            /* gpio_16: WiFi nReset */
  70                 startup-delay-us = <10000>;
  71         };
  72
  73         /* Regulator to trigger the nReset signal of the Bluetooth module */
  74         w3cbw003c_bt_nreset: regulator-w3cbw003c-bt-nreset {
  75                 compatible = "regulator-fixed";
  76                 regulator-name = "regulator-w3cbw003c-bt-nreset";
  77                 regulator-min-microvolt = <3300000>;
  78                 regulator-max-microvolt = <3300000>;
  79                 gpio = <&gpio6 4 GPIO_ACTIVE_HIGH>;             /* gpio_164: BT nReset */
  80                 startup-delay-us = <10000>;
  81         };
  82 };
  83
  84 &omap3_pmx_core {
  85         pinctrl-names = "default";
  86         pinctrl-0 = <
  87                         &hsusb2_pins
  88         >;
  89
  90         uart2_pins: pinmux_uart2_pins {
  91                 pinctrl-single,pins = <
  92                         OMAP3_CORE1_IOPAD(0x216c, PIN_INPUT | MUX_MODE1)        /* mcbsp3_dx.uart2_cts */
  93                         OMAP3_CORE1_IOPAD(0x216e, PIN_OUTPUT | MUX_MODE1)       /* mcbsp3_dr.uart2_rts */
  94                         OMAP3_CORE1_IOPAD(0x2170, PIN_OUTPUT | MUX_MODE1)       /* mcbsp3_clk.uart2_tx */
  95                         OMAP3_CORE1_IOPAD(0x2172, PIN_INPUT | MUX_MODE1)        /* mcbsp3_fsx.uart2_rx */
  96                 >;
  97         };
  98
  99         i2c1_pins: pinmux_i2c1_pins {
 100                 pinctrl-single,pins = <
 101                         OMAP3_CORE1_IOPAD(0x21ba, PIN_INPUT | MUX_MODE0)                /* i2c1_scl.i2c1_scl */
 102                         OMAP3_CORE1_IOPAD(0x21bc, PIN_INPUT | MUX_MODE0)                /* i2c1_sda.i2c1_sda */
 103                 >;
 104         };
 105
 106         mmc1_pins: pinmux_mmc1_pins {
 107                 pinctrl-single,pins = <
 108                         OMAP3_CORE1_IOPAD(0x2144, PIN_INPUT_PULLUP | MUX_MODE0)         /* sdmmc1_clk.sdmmc1_clk */
 109                         OMAP3_CORE1_IOPAD(0x2146, PIN_INPUT_PULLUP | MUX_MODE0)         /* sdmmc1_cmd.sdmmc1_cmd */
 110                         OMAP3_CORE1_IOPAD(0x2148, PIN_INPUT_PULLUP | MUX_MODE0)         /* sdmmc1_dat0.sdmmc1_dat0 */
 111                         OMAP3_CORE1_IOPAD(0x214a, PIN_INPUT_PULLUP | MUX_MODE0)         /* sdmmc1_dat1.sdmmc1_dat1 */
 112                         OMAP3_CORE1_IOPAD(0x214c, PIN_INPUT_PULLUP | MUX_MODE0)         /* sdmmc1_dat2.sdmmc1_dat2 */
 113                         OMAP3_CORE1_IOPAD(0x214e, PIN_INPUT_PULLUP | MUX_MODE0)         /* sdmmc1_dat3.sdmmc1_dat3 */
 114                 >;
 115         };
 116
 117         mmc2_pins: pinmux_mmc2_pins {
 118                 pinctrl-single,pins = <
 119                         OMAP3_CORE1_IOPAD(0x2158, PIN_INPUT_PULLUP | MUX_MODE0)         /* sdmmc2_clk.sdmmc2_clk */
 120                         OMAP3_CORE1_IOPAD(0x215a, PIN_INPUT_PULLUP | MUX_MODE0)         /* sdmmc2_cmd.sdmmc2_cmd */
 121                         OMAP3_CORE1_IOPAD(0x215c, PIN_INPUT_PULLUP | MUX_MODE0)         /* sdmmc2_dat0.sdmmc2_dat0 */
 122                         OMAP3_CORE1_IOPAD(0x215e, PIN_INPUT_PULLUP | MUX_MODE0)         /* sdmmc2_dat1.sdmmc2_dat1 */
 123                         OMAP3_CORE1_IOPAD(0x2160, PIN_INPUT_PULLUP | MUX_MODE0)         /* sdmmc2_dat2.sdmmc2_dat2 */
 124                         OMAP3_CORE1_IOPAD(0x2162, PIN_INPUT_PULLUP | MUX_MODE0)         /* sdmmc2_dat3.sdmmc2_dat3 */
 125                 >;
 126         };
 127
 128         /* WiFi/BT combo */
 129         w3cbw003c_pins: pinmux_w3cbw003c_pins {
 130                 pinctrl-single,pins = <
 131                         OMAP3_CORE1_IOPAD(0x20b4, PIN_OUTPUT | MUX_MODE4)               /* gpmc_ncs3.gpio_54 */
 132                         OMAP3_CORE1_IOPAD(0x219c, PIN_OUTPUT | MUX_MODE4)               /* uart3_rts_sd.gpio_164 */
 133                 >;
 134         };
 135
 136         hsusb2_pins: pinmux_hsusb2_pins {
 137                 pinctrl-single,pins = <
 138                         OMAP3_CORE1_IOPAD(0x21d4, PIN_INPUT_PULLDOWN | MUX_MODE3)       /* mcspi1_cs3.hsusb2_data2 */
 139                         OMAP3_CORE1_IOPAD(0x21d6, PIN_INPUT_PULLDOWN | MUX_MODE3)       /* mcspi2_clk.hsusb2_data7 */
 140                         OMAP3_CORE1_IOPAD(0x21d8, PIN_INPUT_PULLDOWN | MUX_MODE3)       /* mcspi2_simo.hsusb2_data4 */
 141                         OMAP3_CORE1_IOPAD(0x21da, PIN_INPUT_PULLDOWN | MUX_MODE3)       /* mcspi2_somi.hsusb2_data5 */
 142                         OMAP3_CORE1_IOPAD(0x21dc, PIN_INPUT_PULLDOWN | MUX_MODE3)       /* mcspi2_cs0.hsusb2_data6 */
 143                         OMAP3_CORE1_IOPAD(0x21de, PIN_INPUT_PULLDOWN | MUX_MODE3)       /* mcspi2_cs1.hsusb2_data3 */
 144                         OMAP3_CORE1_IOPAD(0x21be, PIN_OUTPUT | MUX_MODE4)               /* i2c2_scl.gpio_168 */
 145                         OMAP3_CORE1_IOPAD(0x21c0, PIN_OUTPUT | MUX_MODE4)               /* i2c2_sda.gpio_183 */
 146                 >;
 147         };
 148 };
 149
 150 &i2c1 {
 151         pinctrl-names = "default";
 152         pinctrl-0 = <&i2c1_pins>;
 153         clock-frequency = <2600000>;
 154
 155         twl: twl@48 {
 156                 reg = <0x48>;
 157                 interrupts = <7>; /* SYS_NIRQ cascaded to intc */
 158                 interrupt-parent = <&intc>;
 159
 160                 twl_audio: audio {
 161                         compatible = "ti,twl4030-audio";
 162                         codec {
 163                         };
 164                 };
 165         };
 166 };
 167
 168 #include "twl4030.dtsi"
 169 #include "twl4030_omap3.dtsi"
 170
 171 /* i2c2 pins are used for gpio */
 172 &i2c2 {
 173         status = "disabled";
 174 };
 175
 176 /* on board microSD slot */
 177 &mmc1 {
 178         pinctrl-names = "default";
 179         pinctrl-0 = <&mmc1_pins>;
 180         vmmc-supply = <&vmmc1>;
 181         bus-width = <4>;
 182 };
 183
 184 /* optional on board WiFi */
 185 &mmc2 {
 186         pinctrl-names = "default";
 187         pinctrl-0 = <&mmc2_pins>;
 188         vmmc-supply = <&w3cbw003c_npoweron>;
 189         vqmmc-supply = <&w3cbw003c_bt_nreset>;
 190         vmmc_aux-supply = <&w3cbw003c_wifi_nreset>;
 191         bus-width = <4>;
 192         cap-sdio-irq;
 193         non-removable;
 194 };
 195
 196 &twl_gpio {
 197         ti,use-leds;
 198 };
 199
 200 &usb_otg_hs {
 201         interface-type = <0>;
 202         usb-phy = <&usb2_phy>;
 203         phys = <&usb2_phy>;
 204         phy-names = "usb2-phy";
 205         mode = <3>;
 206         power = <50>;
 207 };
 208
 209 &usbhshost {
 210         port2-mode = "ehci-phy";
 211 };
 212
 213 &usbhsehci {
 214         phys = <0 &hsusb2_phy>;
 215 };
 216
 217 &uart2 {
 218         pinctrl-names = "default";
 219         pinctrl-0 = <&uart2_pins>;
 220 };
 221