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 {
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: pinmux_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: pinmux_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: pinmux_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: pinmux_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: pinmux_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: pinmux_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};
275