xref: /openbmc/u-boot/arch/arm/dts/am335x-draco.dtsi (revision 20c700f8)
1/*
2 * Common support for Siemens Draco SOM (AM335x based)
3 *
4 * Copyright (C) 2013,2014 - Stefan Roese <sr@denx.de>
5 *
6 * This file is licensed under the terms of the GNU General Public License
7 * version 2.  This program is licensed "as is" without any warranty of any
8 * kind, whether express or implied.
9 */
10
11/ {
12	chosen {
13		stdout-path = &uart0;
14		tick-timer = &timer2;
15	};
16
17	memory {
18		device_type = "memory";
19		reg = <0x80000000 0x08000000>; /* 128 MB */
20	};
21
22	ocp {
23		uart0: serial@44e09000 {
24			pinctrl-names = "default";
25			pinctrl-0 = <&uart0_pins>;
26			status = "okay";
27		};
28
29		i2c0: i2c@44e0b000 {
30			pinctrl-names = "default";
31			pinctrl-0 = <&i2c0_pins>;
32
33			status = "okay";
34			clock-frequency = <400000>;
35
36			eeprom: eeprom@50 {
37				compatible = "atmel,24c128";
38				reg = <0x50>;
39				pagesize = <64>;
40			};
41		};
42
43		musb: usb@47400000 {
44			status = "okay";
45
46			control@44e10620 {
47				status = "okay";
48			};
49
50			usb-phy@47401300 {
51				status = "okay";
52			};
53
54			usb-phy@47401b00 {
55				status = "okay";
56			};
57
58			usb@47401000 {
59				status = "okay";
60			};
61
62			usb@47401800 {
63				status = "okay";
64				dr_mode = "host";
65			};
66
67			dma-controller@47402000  {
68				status = "okay";
69			};
70		};
71	};
72};
73
74&am33xx_pinmux {
75		i2c0_pins: pinmux_i2c0_pins {
76			pinctrl-single,pins = <
77				0x188 (PIN_INPUT_PULLUP | MUX_MODE0)	/* i2c0_sda.i2c0_sda */
78				0x18c (PIN_INPUT_PULLUP | MUX_MODE0)	/* i2c0_scl.i2c0_scl */
79			>;
80		};
81
82		uart0_pins: pinmux_uart0_pins {
83			pinctrl-single,pins = <
84				0x170 (PIN_INPUT_PULLUP | MUX_MODE0)	/* uart0_rxd.uart0_rxd */
85				0x174 (PIN_OUTPUT_PULLDOWN | MUX_MODE0)	/* uart0_txd.uart0_txd */
86			>;
87		};
88
89		nandflash_pins: nandflash_pins {
90			pinctrl-single,pins = <
91				0x0 (PIN_INPUT_PULLUP | MUX_MODE0)	/* gpmc_ad0.gpmc_ad0 */
92				0x4 (PIN_INPUT_PULLUP | MUX_MODE0)	/* gpmc_ad1.gpmc_ad1 */
93				0x8 (PIN_INPUT_PULLUP | MUX_MODE0)	/* gpmc_ad2.gpmc_ad2 */
94				0xc (PIN_INPUT_PULLUP | MUX_MODE0)	/* gpmc_ad3.gpmc_ad3 */
95				0x10 (PIN_INPUT_PULLUP | MUX_MODE0)	/* gpmc_ad4.gpmc_ad4 */
96				0x14 (PIN_INPUT_PULLUP | MUX_MODE0)	/* gpmc_ad5.gpmc_ad5 */
97				0x18 (PIN_INPUT_PULLUP | MUX_MODE0)	/* gpmc_ad6.gpmc_ad6 */
98				0x1c (PIN_INPUT_PULLUP | MUX_MODE0)	/* gpmc_ad7.gpmc_ad7 */
99				0x70 (PIN_INPUT_PULLUP | MUX_MODE0)	/* gpmc_wait0.gpmc_wait0 */
100				0x74 (PIN_INPUT_PULLUP | MUX_MODE7)	/* gpmc_wpn.gpio0_30 */
101				0x7c (PIN_OUTPUT | MUX_MODE0)		/* gpmc_csn0.gpmc_csn0  */
102				0x90 (PIN_OUTPUT | MUX_MODE0)		/* gpmc_advn_ale.gpmc_advn_ale */
103				0x94 (PIN_OUTPUT | MUX_MODE0)		/* gpmc_oen_ren.gpmc_oen_ren */
104				0x98 (PIN_OUTPUT | MUX_MODE0)		/* gpmc_wen.gpmc_wen */
105				0x9c (PIN_OUTPUT | MUX_MODE0)		/* gpmc_be0n_cle.gpmc_be0n_cle */
106			>;
107		};
108	};
109
110
111&timer3 {
112	status = "disabled";
113};
114
115&uart4 {
116	status = "disabled";
117};
118
119&elm {
120	status = "okay";
121};
122
123&gpmc {
124	status = "okay";
125	pinctrl-names = "default";
126	pinctrl-0 = <&nandflash_pins>;
127
128	ranges = <0 0 0x08000000 0x10000000>;	/* CS0: NAND */
129
130	nand@0,0 {
131		reg = <0 0 0>; /* CS0, offset 0 */
132		nand-bus-width = <8>;
133		ti,nand-ecc-opt = "bch8";
134		gpmc,device-nand = "true";
135		gpmc,device-width = <1>;
136		gpmc,sync-clk-ps = <0>;
137		gpmc,cs-on-ns = <0>;
138		gpmc,cs-rd-off-ns = <44>;
139		gpmc,cs-wr-off-ns = <44>;
140		gpmc,adv-on-ns = <6>;
141		gpmc,adv-rd-off-ns = <34>;
142		gpmc,adv-wr-off-ns = <44>;
143		gpmc,we-on-ns = <0>;
144		gpmc,we-off-ns = <40>;
145		gpmc,oe-on-ns = <0>;
146		gpmc,oe-off-ns = <54>;
147		gpmc,access-ns = <64>;
148		gpmc,rd-cycle-ns = <82>;
149		gpmc,wr-cycle-ns = <82>;
150		gpmc,wait-on-read = "true";
151		gpmc,wait-on-write = "true";
152		gpmc,bus-turnaround-ns = <0>;
153		gpmc,cycle2cycle-delay-ns = <0>;
154		gpmc,clk-activation-ns = <0>;
155		gpmc,wait-monitoring-ns = <0>;
156		gpmc,wr-access-ns = <40>;
157		gpmc,wr-data-mux-bus-ns = <0>;
158
159		#address-cells = <1>;
160		#size-cells = <1>;
161		elm_id = <&elm>;
162	};
163};
164
165/* disable the RTC node as its not accessible on the draco/dxr2 board */
166&rtc {
167	status = "disabled";
168	ti,hwmods = "disabled";
169};
170