omap3-overo-base.dtsi revision 284090
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
222