Tom Rini | 53633a8 | 2024-02-29 12:33:36 -0500 | [diff] [blame] | 1 | // SPDX-License-Identifier: GPL-2.0-only |
| 2 | /* |
| 3 | * Copyright (C) 2012 Florian Vaussard, EPFL Mobots group |
| 4 | */ |
| 5 | |
| 6 | /* |
| 7 | * The Gumstix Overo must be combined with an expansion board. |
| 8 | */ |
| 9 | |
| 10 | / { |
| 11 | |
| 12 | memory@0 { |
| 13 | device_type = "memory"; |
| 14 | reg = <0 0>; |
| 15 | }; |
| 16 | |
| 17 | led-controller { |
| 18 | compatible = "pwm-leds"; |
| 19 | |
| 20 | led-1 { |
| 21 | label = "overo:blue:COM"; |
| 22 | pwms = <&twl_pwmled 1 7812500>; |
| 23 | max-brightness = <127>; |
| 24 | linux,default-trigger = "mmc0"; |
| 25 | }; |
| 26 | }; |
| 27 | |
| 28 | sound { |
| 29 | compatible = "ti,omap-twl4030"; |
| 30 | ti,model = "overo"; |
| 31 | |
| 32 | ti,mcbsp = <&mcbsp2>; |
| 33 | }; |
| 34 | |
| 35 | /* HS USB Port 2 Power */ |
| 36 | hsusb2_power: hsusb2_power_reg { |
| 37 | compatible = "regulator-fixed"; |
| 38 | regulator-name = "hsusb2_vbus"; |
| 39 | regulator-min-microvolt = <5000000>; |
| 40 | regulator-max-microvolt = <5000000>; |
| 41 | gpio = <&gpio6 8 GPIO_ACTIVE_HIGH>; /* gpio_168: vbus enable */ |
| 42 | startup-delay-us = <70000>; |
| 43 | enable-active-high; |
| 44 | }; |
| 45 | |
| 46 | /* HS USB Host PHY on PORT 2 */ |
| 47 | hsusb2_phy: hsusb2-phy-pins { |
| 48 | compatible = "usb-nop-xceiv"; |
| 49 | reset-gpios = <&gpio6 23 GPIO_ACTIVE_LOW>; /* gpio_183 */ |
| 50 | vcc-supply = <&hsusb2_power>; |
| 51 | #phy-cells = <0>; |
| 52 | }; |
| 53 | |
| 54 | /* Regulator to trigger the nPoweron signal of the Wifi module */ |
| 55 | w3cbw003c_npoweron: regulator-w3cbw003c-npoweron { |
| 56 | compatible = "regulator-fixed"; |
| 57 | regulator-name = "regulator-w3cbw003c-npoweron"; |
| 58 | regulator-min-microvolt = <3300000>; |
| 59 | regulator-max-microvolt = <3300000>; |
| 60 | gpio = <&gpio2 22 GPIO_ACTIVE_HIGH>; /* gpio_54: nPoweron */ |
| 61 | enable-active-high; |
| 62 | }; |
| 63 | |
| 64 | /* Regulator to trigger the nReset signal of the Wifi module */ |
| 65 | w3cbw003c_wifi_nreset: regulator-w3cbw003c-wifi-nreset { |
| 66 | pinctrl-names = "default"; |
| 67 | pinctrl-0 = <&w3cbw003c_pins &w3cbw003c_2_pins>; |
| 68 | compatible = "regulator-fixed"; |
| 69 | regulator-name = "regulator-w3cbw003c-wifi-nreset"; |
| 70 | regulator-min-microvolt = <3300000>; |
| 71 | regulator-max-microvolt = <3300000>; |
| 72 | gpio = <&gpio1 16 GPIO_ACTIVE_HIGH>; /* gpio_16: WiFi nReset */ |
| 73 | startup-delay-us = <10000>; |
| 74 | }; |
| 75 | }; |
| 76 | |
| 77 | &omap3_pmx_core { |
| 78 | pinctrl-names = "default"; |
| 79 | pinctrl-0 = < |
| 80 | &hsusb2_pins |
| 81 | >; |
| 82 | |
| 83 | uart2_pins: uart2-pins { |
| 84 | pinctrl-single,pins = < |
| 85 | OMAP3_CORE1_IOPAD(0x216c, PIN_INPUT | MUX_MODE1) /* mcbsp3_dx.uart2_cts */ |
| 86 | OMAP3_CORE1_IOPAD(0x216e, PIN_OUTPUT | MUX_MODE1) /* mcbsp3_dr.uart2_rts */ |
| 87 | OMAP3_CORE1_IOPAD(0x2170, PIN_OUTPUT | MUX_MODE1) /* mcbsp3_clk.uart2_tx */ |
| 88 | OMAP3_CORE1_IOPAD(0x2172, PIN_INPUT | MUX_MODE1) /* mcbsp3_fsx.uart2_rx */ |
| 89 | >; |
| 90 | }; |
| 91 | |
| 92 | i2c1_pins: i2c1-pins { |
| 93 | pinctrl-single,pins = < |
| 94 | OMAP3_CORE1_IOPAD(0x21ba, PIN_INPUT | MUX_MODE0) /* i2c1_scl.i2c1_scl */ |
| 95 | OMAP3_CORE1_IOPAD(0x21bc, PIN_INPUT | MUX_MODE0) /* i2c1_sda.i2c1_sda */ |
| 96 | >; |
| 97 | }; |
| 98 | |
| 99 | mmc1_pins: mmc1-pins { |
| 100 | pinctrl-single,pins = < |
| 101 | OMAP3_CORE1_IOPAD(0x2144, PIN_INPUT_PULLUP | MUX_MODE0) /* sdmmc1_clk.sdmmc1_clk */ |
| 102 | OMAP3_CORE1_IOPAD(0x2146, PIN_INPUT_PULLUP | MUX_MODE0) /* sdmmc1_cmd.sdmmc1_cmd */ |
| 103 | OMAP3_CORE1_IOPAD(0x2148, PIN_INPUT_PULLUP | MUX_MODE0) /* sdmmc1_dat0.sdmmc1_dat0 */ |
| 104 | OMAP3_CORE1_IOPAD(0x214a, PIN_INPUT_PULLUP | MUX_MODE0) /* sdmmc1_dat1.sdmmc1_dat1 */ |
| 105 | OMAP3_CORE1_IOPAD(0x214c, PIN_INPUT_PULLUP | MUX_MODE0) /* sdmmc1_dat2.sdmmc1_dat2 */ |
| 106 | OMAP3_CORE1_IOPAD(0x214e, PIN_INPUT_PULLUP | MUX_MODE0) /* sdmmc1_dat3.sdmmc1_dat3 */ |
| 107 | >; |
| 108 | }; |
| 109 | |
| 110 | mmc2_pins: mmc2-pins { |
| 111 | pinctrl-single,pins = < |
| 112 | OMAP3_CORE1_IOPAD(0x2158, PIN_INPUT_PULLUP | MUX_MODE0) /* sdmmc2_clk.sdmmc2_clk */ |
| 113 | OMAP3_CORE1_IOPAD(0x215a, PIN_INPUT_PULLUP | MUX_MODE0) /* sdmmc2_cmd.sdmmc2_cmd */ |
| 114 | OMAP3_CORE1_IOPAD(0x215c, PIN_INPUT_PULLUP | MUX_MODE0) /* sdmmc2_dat0.sdmmc2_dat0 */ |
| 115 | OMAP3_CORE1_IOPAD(0x215e, PIN_INPUT_PULLUP | MUX_MODE0) /* sdmmc2_dat1.sdmmc2_dat1 */ |
| 116 | OMAP3_CORE1_IOPAD(0x2160, PIN_INPUT_PULLUP | MUX_MODE0) /* sdmmc2_dat2.sdmmc2_dat2 */ |
| 117 | OMAP3_CORE1_IOPAD(0x2162, PIN_INPUT_PULLUP | MUX_MODE0) /* sdmmc2_dat3.sdmmc2_dat3 */ |
| 118 | >; |
| 119 | }; |
| 120 | |
| 121 | /* WiFi/BT combo */ |
| 122 | w3cbw003c_pins: w3cbw003c-pins { |
| 123 | pinctrl-single,pins = < |
| 124 | OMAP3_CORE1_IOPAD(0x20b4, PIN_OUTPUT | MUX_MODE4) /* gpmc_ncs3.gpio_54 */ |
| 125 | OMAP3_CORE1_IOPAD(0x219c, PIN_OUTPUT | MUX_MODE4) /* uart3_rts_sd.gpio_164 */ |
| 126 | >; |
| 127 | }; |
| 128 | |
| 129 | hsusb2_pins: hsusb2-pins { |
| 130 | pinctrl-single,pins = < |
| 131 | OMAP3_CORE1_IOPAD(0x21d4, PIN_INPUT_PULLDOWN | MUX_MODE3) /* mcspi1_cs3.hsusb2_data2 */ |
| 132 | OMAP3_CORE1_IOPAD(0x21d6, PIN_INPUT_PULLDOWN | MUX_MODE3) /* mcspi2_clk.hsusb2_data7 */ |
| 133 | OMAP3_CORE1_IOPAD(0x21d8, PIN_INPUT_PULLDOWN | MUX_MODE3) /* mcspi2_simo.hsusb2_data4 */ |
| 134 | OMAP3_CORE1_IOPAD(0x21da, PIN_INPUT_PULLDOWN | MUX_MODE3) /* mcspi2_somi.hsusb2_data5 */ |
| 135 | OMAP3_CORE1_IOPAD(0x21dc, PIN_INPUT_PULLDOWN | MUX_MODE3) /* mcspi2_cs0.hsusb2_data6 */ |
| 136 | OMAP3_CORE1_IOPAD(0x21de, PIN_INPUT_PULLDOWN | MUX_MODE3) /* mcspi2_cs1.hsusb2_data3 */ |
| 137 | OMAP3_CORE1_IOPAD(0x21be, PIN_OUTPUT | MUX_MODE4) /* i2c2_scl.gpio_168 */ |
| 138 | OMAP3_CORE1_IOPAD(0x21c0, PIN_OUTPUT | MUX_MODE4) /* i2c2_sda.gpio_183 */ |
| 139 | >; |
| 140 | }; |
| 141 | }; |
| 142 | |
| 143 | &i2c1 { |
| 144 | pinctrl-names = "default"; |
| 145 | pinctrl-0 = <&i2c1_pins>; |
| 146 | clock-frequency = <2600000>; |
| 147 | |
| 148 | twl: twl@48 { |
| 149 | reg = <0x48>; |
| 150 | interrupts = <7>; /* SYS_NIRQ cascaded to intc */ |
| 151 | interrupt-parent = <&intc>; |
| 152 | |
| 153 | twl_audio: audio { |
| 154 | compatible = "ti,twl4030-audio"; |
| 155 | codec { |
| 156 | }; |
| 157 | }; |
| 158 | }; |
| 159 | }; |
| 160 | |
| 161 | #include "twl4030.dtsi" |
| 162 | #include "twl4030_omap3.dtsi" |
| 163 | |
| 164 | /* i2c2 pins are used for gpio */ |
| 165 | &i2c2 { |
| 166 | status = "disabled"; |
| 167 | }; |
| 168 | |
| 169 | /* on board microSD slot */ |
| 170 | &mmc1 { |
| 171 | pinctrl-names = "default"; |
| 172 | pinctrl-0 = <&mmc1_pins>; |
| 173 | vmmc-supply = <&vmmc1>; |
| 174 | bus-width = <4>; |
| 175 | }; |
| 176 | |
| 177 | /* optional on board WiFi */ |
| 178 | &mmc2 { |
| 179 | pinctrl-names = "default"; |
| 180 | pinctrl-0 = <&mmc2_pins>; |
| 181 | vmmc-supply = <&w3cbw003c_npoweron>; |
| 182 | vqmmc-supply = <&w3cbw003c_wifi_nreset>; |
| 183 | bus-width = <4>; |
| 184 | cap-sdio-irq; |
| 185 | non-removable; |
| 186 | }; |
| 187 | |
| 188 | &twl_gpio { |
| 189 | ti,use-leds; |
| 190 | }; |
| 191 | |
| 192 | &usb_otg_hs { |
| 193 | interface-type = <0>; |
| 194 | usb-phy = <&usb2_phy>; |
| 195 | phys = <&usb2_phy>; |
| 196 | phy-names = "usb2-phy"; |
| 197 | mode = <3>; |
| 198 | power = <50>; |
| 199 | }; |
| 200 | |
| 201 | &usbhshost { |
| 202 | port2-mode = "ehci-phy"; |
| 203 | }; |
| 204 | |
| 205 | &usbhsehci { |
| 206 | phys = <0 &hsusb2_phy>; |
| 207 | }; |
| 208 | |
| 209 | &uart2 { |
| 210 | pinctrl-names = "default"; |
| 211 | pinctrl-0 = <&uart2_pins>; |
| 212 | }; |
| 213 | |
| 214 | &mcbsp2 { |
| 215 | status = "okay"; |
| 216 | }; |
| 217 | |
| 218 | &gpmc { |
| 219 | ranges = <0 0 0x30000000 0x1000000>, /* CS0 */ |
| 220 | <4 0 0x2b000000 0x1000000>, /* CS4 */ |
| 221 | <5 0 0x2c000000 0x1000000>; /* CS5 */ |
| 222 | |
| 223 | nand@0,0 { |
| 224 | compatible = "ti,omap2-nand"; |
| 225 | linux,mtd-name = "micron,mt29c4g96maz"; |
| 226 | reg = <0 0 4>; /* CS0, offset 0, IO size 4 */ |
| 227 | interrupt-parent = <&gpmc>; |
| 228 | interrupts = <0 IRQ_TYPE_NONE>, /* fifoevent */ |
| 229 | <1 IRQ_TYPE_NONE>; /* termcount */ |
| 230 | nand-bus-width = <16>; |
| 231 | gpmc,device-width = <2>; |
| 232 | ti,nand-ecc-opt = "bch8"; |
| 233 | |
| 234 | gpmc,sync-clk-ps = <0>; |
| 235 | gpmc,cs-on-ns = <0>; |
| 236 | gpmc,cs-rd-off-ns = <44>; |
| 237 | gpmc,cs-wr-off-ns = <44>; |
| 238 | gpmc,adv-on-ns = <6>; |
| 239 | gpmc,adv-rd-off-ns = <34>; |
| 240 | gpmc,adv-wr-off-ns = <44>; |
| 241 | gpmc,we-off-ns = <40>; |
| 242 | gpmc,oe-off-ns = <54>; |
| 243 | gpmc,access-ns = <64>; |
| 244 | gpmc,rd-cycle-ns = <82>; |
| 245 | gpmc,wr-cycle-ns = <82>; |
| 246 | gpmc,wr-access-ns = <40>; |
| 247 | gpmc,wr-data-mux-bus-ns = <0>; |
| 248 | |
| 249 | #address-cells = <1>; |
| 250 | #size-cells = <1>; |
| 251 | |
| 252 | partition@0 { |
| 253 | label = "SPL"; |
| 254 | reg = <0 0x80000>; /* 512KiB */ |
| 255 | }; |
| 256 | partition@80000 { |
| 257 | label = "U-Boot"; |
| 258 | reg = <0x80000 0x1C0000>; /* 1792KiB */ |
| 259 | }; |
| 260 | partition@1c0000 { |
| 261 | label = "Environment"; |
| 262 | reg = <0x240000 0x40000>; /* 256KiB */ |
| 263 | }; |
| 264 | partition@280000 { |
| 265 | label = "Kernel"; |
| 266 | reg = <0x280000 0x800000>; /* 8192KiB */ |
| 267 | }; |
| 268 | partition@780000 { |
| 269 | label = "Filesystem"; |
| 270 | reg = <0xA80000 0>; |
| 271 | /* HACK: MTDPART_SIZ_FULL=0 so fill to end */ |
| 272 | }; |
| 273 | }; |
| 274 | }; |