blob: b38ff55e1dc1ee0b5a67ad5dfcccb2a1c7876861 [file] [log] [blame]
Heiko Schocher71423432016-06-13 15:16:01 +02001/*
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};