// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (C) 2012 Florian Vaussard, EPFL Mobots group
*/
/*
* The Gumstix Overo must be combined with an expansion board.
*/
/ {
memory@0 {
device_type = "memory";
reg = <0 0>;
};
led-controller {
compatible = "pwm-leds";
led-1 {
label = "overo:blue:COM";
pwms = <&twl_pwmled 1 7812500>;
max-brightness = <127>;
linux,default-trigger = "mmc0";
};
};
sound {
compatible = "ti,omap-twl4030";
ti,model = "overo";
ti,mcbsp = <&mcbsp2>;
};
/* HS USB Port 2 Power */
hsusb2_power: hsusb2_power_reg {
compatible = "regulator-fixed";
regulator-name = "hsusb2_vbus";
regulator-min-microvolt = <5000000>;
regulator-max-microvolt = <5000000>;
gpio = <&gpio6 8 GPIO_ACTIVE_HIGH>; /* gpio_168: vbus enable */
startup-delay-us = <70000>;
enable-active-high;
};
/* HS USB Host PHY on PORT 2 */
hsusb2_phy: hsusb2-phy-pins {
compatible = "usb-nop-xceiv";
reset-gpios = <&gpio6 23 GPIO_ACTIVE_LOW>; /* gpio_183 */
vcc-supply = <&hsusb2_power>;
#phy-cells = <0>;
};
/* Regulator to trigger the nPoweron signal of the Wifi module */
w3cbw003c_npoweron: regulator-w3cbw003c-npoweron {
compatible = "regulator-fixed";
regulator-name = "regulator-w3cbw003c-npoweron";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
gpio = <&gpio2 22 GPIO_ACTIVE_HIGH>; /* gpio_54: nPoweron */
enable-active-high;
};
/* Regulator to trigger the nReset signal of the Wifi module */
w3cbw003c_wifi_nreset: regulator-w3cbw003c-wifi-nreset {
pinctrl-names = "default";
pinctrl-0 = <&w3cbw003c_pins &w3cbw003c_2_pins>;
compatible = "regulator-fixed";
regulator-name = "regulator-w3cbw003c-wifi-nreset";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
gpio = <&gpio1 16 GPIO_ACTIVE_HIGH>; /* gpio_16: WiFi nReset */
startup-delay-us = <10000>;
};
};
&omap3_pmx_core {
pinctrl-names = "default";
pinctrl-0 = <
&hsusb2_pins
>;
uart2_pins: uart2-pins {
pinctrl-single,pins = <
OMAP3_CORE1_IOPAD(0x216c, PIN_INPUT | MUX_MODE1) /* mcbsp3_dx.uart2_cts */
OMAP3_CORE1_IOPAD(0x216e, PIN_OUTPUT | MUX_MODE1) /* mcbsp3_dr.uart2_rts */
OMAP3_CORE1_IOPAD(0x2170, PIN_OUTPUT | MUX_MODE1) /* mcbsp3_clk.uart2_tx */
OMAP3_CORE1_IOPAD(0x2172, PIN_INPUT | MUX_MODE1) /* mcbsp3_fsx.uart2_rx */
>;
};
i2c1_pins: i2c1-pins {
pinctrl-single,pins = <
OMAP3_CORE1_IOPAD(0x21ba, PIN_INPUT | MUX_MODE0) /* i2c1_scl.i2c1_scl */
OMAP3_CORE1_IOPAD(0x21bc, PIN_INPUT | MUX_MODE0) /* i2c1_sda.i2c1_sda */
>;
};
mmc1_pins: mmc1-pins {
pinctrl-single,pins = <
OMAP3_CORE1_IOPAD(0x2144, PIN_INPUT_PULLUP | MUX_MODE0) /* sdmmc1_clk.sdmmc1_clk */
OMAP3_CORE1_IOPAD(0x2146, PIN_INPUT_PULLUP | MUX_MODE0) /* sdmmc1_cmd.sdmmc1_cmd */
OMAP3_CORE1_IOPAD(0x2148, PIN_INPUT_PULLUP | MUX_MODE0) /* sdmmc1_dat0.sdmmc1_dat0 */
OMAP3_CORE1_IOPAD(0x214a, PIN_INPUT_PULLUP | MUX_MODE0) /* sdmmc1_dat1.sdmmc1_dat1 */
OMAP3_CORE1_IOPAD(0x214c, PIN_INPUT_PULLUP | MUX_MODE0) /* sdmmc1_dat2.sdmmc1_dat2 */
OMAP3_CORE1_IOPAD(0x214e, PIN_INPUT_PULLUP | MUX_MODE0) /* sdmmc1_dat3.sdmmc1_dat3 */
>;
};
mmc2_pins: mmc2-pins {
pinctrl-single,pins = <
OMAP3_CORE1_IOPAD(0x2158, PIN_INPUT_PULLUP | MUX_MODE0) /* sdmmc2_clk.sdmmc2_clk */
OMAP3_CORE1_IOPAD(0x215a, PIN_INPUT_PULLUP | MUX_MODE0) /* sdmmc2_cmd.sdmmc2_cmd */
OMAP3_CORE1_IOPAD(0x215c, PIN_INPUT_PULLUP | MUX_MODE0) /* sdmmc2_dat0.sdmmc2_dat0 */
OMAP3_CORE1_IOPAD(0x215e, PIN_INPUT_PULLUP | MUX_MODE0) /* sdmmc2_dat1.sdmmc2_dat1 */
OMAP3_CORE1_IOPAD(0x2160, PIN_INPUT_PULLUP | MUX_MODE0) /* sdmmc2_dat2.sdmmc2_dat2 */
OMAP3_CORE1_IOPAD(0x2162, PIN_INPUT_PULLUP | MUX_MODE0) /* sdmmc2_dat3.sdmmc2_dat3 */
>;
};
/* WiFi/BT combo */
w3cbw003c_pins: w3cbw003c-pins {
pinctrl-single,pins = <
OMAP3_CORE1_IOPAD(0x20b4, PIN_OUTPUT | MUX_MODE4) /* gpmc_ncs3.gpio_54 */
OMAP3_CORE1_IOPAD(0x219c, PIN_OUTPUT | MUX_MODE4) /* uart3_rts_sd.gpio_164 */
>;
};
hsusb2_pins: hsusb2-pins {
pinctrl-single,pins = <
OMAP3_CORE1_IOPAD(0x21d4, PIN_INPUT_PULLDOWN | MUX_MODE3) /* mcspi1_cs3.hsusb2_data2 */
OMAP3_CORE1_IOPAD(0x21d6, PIN_INPUT_PULLDOWN | MUX_MODE3) /* mcspi2_clk.hsusb2_data7 */
OMAP3_CORE1_IOPAD(0x21d8, PIN_INPUT_PULLDOWN | MUX_MODE3) /* mcspi2_simo.hsusb2_data4 */
OMAP3_CORE1_IOPAD(0x21da, PIN_INPUT_PULLDOWN | MUX_MODE3) /* mcspi2_somi.hsusb2_data5 */
OMAP3_CORE1_IOPAD(0x21dc, PIN_INPUT_PULLDOWN | MUX_MODE3) /* mcspi2_cs0.hsusb2_data6 */
OMAP3_CORE1_IOPAD(0x21de, PIN_INPUT_PULLDOWN | MUX_MODE3) /* mcspi2_cs1.hsusb2_data3 */
OMAP3_CORE1_IOPAD(0x21be, PIN_OUTPUT | MUX_MODE4) /* i2c2_scl.gpio_168 */
OMAP3_CORE1_IOPAD(0x21c0, PIN_OUTPUT | MUX_MODE4) /* i2c2_sda.gpio_183 */
>;
};
};
&i2c1 {
pinctrl-names = "default";
pinctrl-0 = <&i2c1_pins>;
clock-frequency = <2600000>;
twl: twl@48 {
reg = <0x48>;
interrupts = <7>; /* SYS_NIRQ cascaded to intc */
interrupt-parent = <&intc>;
twl_audio: audio {
compatible = "ti,twl4030-audio";
codec {
};
};
};
};
#include "twl4030.dtsi"
#include "twl4030_omap3.dtsi"
/* i2c2 pins are used for gpio */
&i2c2 {
status = "disabled";
};
/* on board microSD slot */
&mmc1 {
pinctrl-names = "default";
pinctrl-0 = <&mmc1_pins>;
vmmc-supply = <&vmmc1>;
bus-width = <4>;
};
/* optional on board WiFi */
&mmc2 {
pinctrl-names = "default";
pinctrl-0 = <&mmc2_pins>;
vmmc-supply = <&w3cbw003c_npoweron>;
vqmmc-supply = <&w3cbw003c_wifi_nreset>;
bus-width = <4>;
cap-sdio-irq;
non-removable;
};
&twl_gpio {
ti,use-leds;
};
&usb_otg_hs {
interface-type = <0>;
usb-phy = <&usb2_phy>;
phys = <&usb2_phy>;
phy-names = "usb2-phy";
mode = <3>;
power = <50>;
};
&usbhshost {
port2-mode = "ehci-phy";
};
&usbhsehci {
phys = <0 &hsusb2_phy>;
};
&uart2 {
pinctrl-names = "default";
pinctrl-0 = <&uart2_pins>;
};
&mcbsp2 {
status = "okay";
};
&gpmc {
ranges = <0 0 0x30000000 0x1000000>, /* CS0 */
<4 0 0x2b000000 0x1000000>, /* CS4 */
<5 0 0x2c000000 0x1000000>; /* CS5 */
nand@0,0 {
compatible = "ti,omap2-nand";
linux,mtd-name = "micron,mt29c4g96maz";
reg = <0 0 4>; /* CS0, offset 0, IO size 4 */
interrupt-parent = <&gpmc>;
interrupts = <0 IRQ_TYPE_NONE>, /* fifoevent */
<1 IRQ_TYPE_NONE>; /* termcount */
nand-bus-width = <16>;
gpmc,device-width = <2>;
ti,nand-ecc-opt = "bch8";
gpmc,sync-clk-ps = <0>;
gpmc,cs-on-ns = <0>;
gpmc,cs-rd-off-ns = <44>;
gpmc,cs-wr-off-ns = <44>;
gpmc,adv-on-ns = <6>;
gpmc,adv-rd-off-ns = <34>;
gpmc,adv-wr-off-ns = <44>;
gpmc,we-off-ns = <40>;
gpmc,oe-off-ns = <54>;
gpmc,access-ns = <64>;
gpmc,rd-cycle-ns = <82>;
gpmc,wr-cycle-ns = <82>;
gpmc,wr-access-ns = <40>;
gpmc,wr-data-mux-bus-ns = <0>;
#address-cells = <1>;
#size-cells = <1>;
partition@0 {
label = "SPL";
reg = <0 0x80000>; /* 512KiB */
};
partition@80000 {
label = "U-Boot";
reg = <0x80000 0x1C0000>; /* 1792KiB */
};
partition@1c0000 {
label = "Environment";
reg = <0x240000 0x40000>; /* 256KiB */
};
partition@280000 {
label = "Kernel";
reg = <0x280000 0x800000>; /* 8192KiB */
};
partition@780000 {
label = "Filesystem";
reg = <0xA80000 0>;
/* HACK: MTDPART_SIZ_FULL=0 so fill to end */
};
};
};