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