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