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Commit | Line | Data |
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b2441318 | 1 | // SPDX-License-Identifier: GPL-2.0 |
f8635abd LW |
2 | /* |
3 | * Device Tree for the ST-Ericsson Nomadik S8815 board | |
4 | * Produced by Calao Systems | |
5 | */ | |
6 | ||
7 | /dts-v1/; | |
98ba16bb | 8 | #include <dt-bindings/interrupt-controller/irq.h> |
3181788c | 9 | #include "ste-nomadik-stn8815.dtsi" |
f8635abd LW |
10 | |
11 | / { | |
12 | model = "Calao Systems USB-S8815"; | |
13 | compatible = "calaosystems,usb-s8815"; | |
14 | ||
15 | chosen { | |
16 | bootargs = "root=/dev/ram0 console=ttyAMA1,115200n8 earlyprintk"; | |
17 | }; | |
18 | ||
a153790a | 19 | aliases { |
1cb3375b | 20 | serial0 = &uart0; |
a153790a LW |
21 | serial1 = &uart1; |
22 | }; | |
23 | ||
4cec8cd7 LW |
24 | gpio3: gpio@101e7000 { |
25 | /* This hog will bias the MMC/SD card detect line */ | |
26 | mmcsd-gpio { | |
27 | gpio-hog; | |
28 | gpios = <16 0x0>; | |
29 | output-low; | |
30 | line-name = "card detect bias"; | |
31 | }; | |
32 | }; | |
33 | ||
c641d4df LW |
34 | src@101e0000 { |
35 | /* These chrystal drivers are not used on this board */ | |
36 | disable-sxtalo; | |
37 | disable-mxtalo; | |
38 | }; | |
39 | ||
49932f5e LW |
40 | pinctrl { |
41 | /* Hog CD pins */ | |
42 | pinctrl-names = "default"; | |
43 | pinctrl-0 = <&cd_default_mode>; | |
44 | ||
1cb3375b LW |
45 | uart0 { |
46 | /* Only use RX/TX pins */ | |
47 | uart0_s8815_mode: uart0_mux { | |
48 | u0_default_mux { | |
49 | function = "u0"; | |
50 | groups = "u0txrx_a_1"; | |
51 | }; | |
52 | }; | |
53 | }; | |
49932f5e LW |
54 | mmcsd-cd { |
55 | cd_default_mode: cd_default { | |
56 | cd_default_cfg1 { | |
57 | /* CD input GPIO */ | |
1637d480 | 58 | pins = "GPIO111_H21"; |
49932f5e LW |
59 | ste,input = <0>; |
60 | }; | |
61 | cd_default_cfg2 { | |
62 | /* CD GPIO biasing */ | |
1637d480 | 63 | pins = "GPIO112_J21"; |
49932f5e LW |
64 | ste,output = <0>; |
65 | }; | |
66 | }; | |
67 | }; | |
2096eb80 LW |
68 | gpioi2c { |
69 | gpioi2c_default_mode: gpioi2c_default { | |
70 | gpioi2c_default_cfg { | |
c1b30e4d | 71 | pins = "GPIO73_C21", "GPIO74_C20"; |
2096eb80 LW |
72 | ste,input = <0>; |
73 | }; | |
74 | }; | |
75 | }; | |
49932f5e LW |
76 | user-led { |
77 | user_led_default_mode: user_led_default { | |
78 | user_led_default_cfg { | |
1637d480 | 79 | pins = "GPIO2_C5"; |
49932f5e LW |
80 | ste,output = <1>; |
81 | }; | |
82 | }; | |
83 | }; | |
84 | user-button { | |
85 | user_button_default_mode: user_button_default { | |
86 | user_button_default_cfg { | |
1637d480 | 87 | pins = "GPIO3_A4"; |
49932f5e LW |
88 | ste,input = <0>; |
89 | }; | |
90 | }; | |
91 | }; | |
92 | }; | |
93 | ||
98ba16bb LW |
94 | /* Ethernet */ |
95 | external-bus@34000000 { | |
96 | compatible = "simple-bus"; | |
97 | reg = <0x34000000 0x1000000>; | |
98 | #address-cells = <1>; | |
99 | #size-cells = <1>; | |
100 | ranges = <0 0x34000000 0x1000000>; | |
101 | ethernet@300 { | |
102 | compatible = "smsc,lan91c111"; | |
103 | reg = <0x300 0x0fd00>; | |
104 | interrupt-parent = <&gpio3>; | |
105 | interrupts = <8 IRQ_TYPE_EDGE_RISING>; | |
106 | }; | |
107 | }; | |
108 | ||
4f2f1f76 LW |
109 | i2c1 { |
110 | lis3lv02dl@1d { | |
111 | /* Accelerometer */ | |
112 | compatible = "st,lis3lv02dl-accel"; | |
113 | reg = <0x1d>; | |
114 | }; | |
115 | }; | |
116 | ||
2096eb80 LW |
117 | /* GPIO I2C connected to the USB portions of the STw4811 only */ |
118 | gpio-i2c { | |
119 | compatible = "i2c-gpio"; | |
120 | gpios = <&gpio2 10 0>, /* sda */ | |
121 | <&gpio2 9 0>; /* scl */ | |
122 | #address-cells = <1>; | |
123 | #size-cells = <0>; | |
124 | pinctrl-names = "default"; | |
125 | pinctrl-0 = <&gpioi2c_default_mode>; | |
126 | ||
127 | stw4811@2d { | |
128 | compatible = "st,stw4811-usb"; | |
129 | reg = <0x2d>; | |
130 | }; | |
131 | }; | |
132 | ||
133 | ||
6bd5e870 | 134 | amba { |
1cb3375b LW |
135 | /* Activate RXTX on UART 0 */ |
136 | uart0: uart@101fd000 { | |
137 | pinctrl-names = "default"; | |
138 | pinctrl-0 = <&uart0_s8815_mode>; | |
139 | status = "okay"; | |
140 | }; | |
141 | /* Configure card detect for the uSD slot */ | |
6bd5e870 LW |
142 | mmcsd: sdi@101f6000 { |
143 | cd-gpios = <&gpio3 15 GPIO_ACTIVE_LOW>; | |
144 | }; | |
145 | }; | |
146 | ||
175210a8 LW |
147 | /* The user LED on the board is set up to be used for heartbeat */ |
148 | leds { | |
149 | compatible = "gpio-leds"; | |
150 | user-led { | |
151 | label = "user_led"; | |
152 | gpios = <&gpio0 2 0x1>; | |
153 | default-state = "off"; | |
154 | linux,default-trigger = "heartbeat"; | |
49932f5e LW |
155 | pinctrl-names = "default"; |
156 | pinctrl-0 = <&user_led_default_mode>; | |
175210a8 LW |
157 | }; |
158 | }; | |
159 | ||
160 | /* User key mapped in as "escape" */ | |
161 | gpio-keys { | |
162 | compatible = "gpio-keys"; | |
163 | user-button { | |
164 | label = "user_button"; | |
165 | gpios = <&gpio0 3 0x1>; | |
166 | linux,code = <1>; /* KEY_ESC */ | |
506822ea | 167 | wakeup-source; |
49932f5e LW |
168 | pinctrl-names = "default"; |
169 | pinctrl-0 = <&user_button_default_mode>; | |
175210a8 LW |
170 | }; |
171 | }; | |
f8635abd | 172 | }; |