1 // SPDX-License-Identifier: GPL-2.0 1 // SPDX-License-Identifier: GPL-2.0
2 /* 2 /*
3 * Device Tree for the ST Microelectronics Nom 3 * Device Tree for the ST Microelectronics Nomadik NHK8815 board
4 */ 4 */
5 5
6 /dts-v1/; 6 /dts-v1/;
7 #include <dt-bindings/interrupt-controller/irq 7 #include <dt-bindings/interrupt-controller/irq.h>
8 #include <dt-bindings/gpio/gpio.h> 8 #include <dt-bindings/gpio/gpio.h>
9 #include "ste-nomadik-stn8815.dtsi" 9 #include "ste-nomadik-stn8815.dtsi"
10 10
11 / { 11 / {
12 model = "Nomadik STN8815NHK"; 12 model = "Nomadik STN8815NHK";
13 compatible = "st,nomadik-nhk-15"; 13 compatible = "st,nomadik-nhk-15";
14 14
15 chosen { 15 chosen {
16 bootargs = "root=/dev/ram0 con 16 bootargs = "root=/dev/ram0 console=ttyAMA1,115200n8 earlyprintk";
17 }; 17 };
18 18
19 aliases { 19 aliases {
20 serial0 = &uart0; 20 serial0 = &uart0;
21 serial1 = &uart1; 21 serial1 = &uart1;
22 stmpe-i2c0 = &stmpe0; 22 stmpe-i2c0 = &stmpe0;
23 stmpe-i2c1 = &stmpe1; 23 stmpe-i2c1 = &stmpe1;
24 }; 24 };
25 25
26 pinctrl { 26 pinctrl {
27 uart0 { 27 uart0 {
28 uart0_nhk_mode: uart0_ 28 uart0_nhk_mode: uart0_mux {
29 u0_default_mux 29 u0_default_mux {
30 functi 30 function = "u0";
31 groups 31 groups = "u0txrx_a_1", "u0ctsrts_a_1";
32 }; 32 };
33 }; 33 };
34 }; 34 };
35 35
36 stmpe2401_1 { 36 stmpe2401_1 {
37 stmpe2401_1_nhk_mode: 37 stmpe2401_1_nhk_mode: stmpe2401_1_nhk {
38 nhk_cfg1 { 38 nhk_cfg1 {
39 pins = 39 pins = "GPIO76_B20"; // IRQ line
40 ste,in 40 ste,input = <0>;
41 }; 41 };
42 nhk_cfg2 { 42 nhk_cfg2 {
43 pins = 43 pins = "GPIO77_B8"; // reset line
44 ste,ou 44 ste,output = <1>;
45 }; 45 };
46 }; 46 };
47 }; 47 };
48 stmpe2401_2 { 48 stmpe2401_2 {
49 stmpe2401_2_nhk_mode: 49 stmpe2401_2_nhk_mode: stmpe2401_2_nhk {
50 nhk_cfg1 { 50 nhk_cfg1 {
51 pins = 51 pins = "GPIO78_A8"; // IRQ line
52 ste,in 52 ste,input = <0>;
53 }; 53 };
54 nhk_cfg2 { 54 nhk_cfg2 {
55 pins = 55 pins = "GPIO79_C9"; // reset line
56 ste,ou 56 ste,output = <1>;
57 }; 57 };
58 }; 58 };
59 }; 59 };
60 lis3lv02dl { 60 lis3lv02dl {
61 lis3lv02dl_nhk_mode: l 61 lis3lv02dl_nhk_mode: lis3lv02dl_nhk {
62 nhk_cfg1 { 62 nhk_cfg1 {
63 pins = 63 pins = "GPIO82_C10"; // IRQ line
64 ste,in 64 ste,input = <0>;
65 }; 65 };
66 }; 66 };
67 }; 67 };
68 }; 68 };
69 src@101e0000 { 69 src@101e0000 {
70 /* These chrystal outputs are 70 /* These chrystal outputs are not used on this board */
71 disable-sxtalo; 71 disable-sxtalo;
72 disable-mxtalo; 72 disable-mxtalo;
73 }; 73 };
74 74
75 /* This is where the interrupt is rout 75 /* This is where the interrupt is routed on the NHK-15 debug board */
76 external-bus@34000000 { 76 external-bus@34000000 {
77 compatible = "simple-bus"; 77 compatible = "simple-bus";
78 reg = <0x34000000 0x1000000>; 78 reg = <0x34000000 0x1000000>;
79 #address-cells = <1>; 79 #address-cells = <1>;
80 #size-cells = <1>; 80 #size-cells = <1>;
81 ranges = <0 0x34000000 0x10000 81 ranges = <0 0x34000000 0x1000000>;
82 ethernet@300 { 82 ethernet@300 {
83 compatible = "smsc,lan 83 compatible = "smsc,lan91c111";
84 reg = <0x300 0x0fd00>; 84 reg = <0x300 0x0fd00>;
85 reg-io-width = <2>; 85 reg-io-width = <2>;
86 reset-gpios = <&stmpe_ 86 reset-gpios = <&stmpe_gpio44 10 GPIO_ACTIVE_HIGH>;
87 interrupt-parent = <&s 87 interrupt-parent = <&stmpe_gpio44>;
88 interrupts = <11 IRQ_T 88 interrupts = <11 IRQ_TYPE_EDGE_RISING>;
89 }; 89 };
90 }; 90 };
91 91
92 i2c0 { 92 i2c0 {
93 lis3lv02dl@1d { 93 lis3lv02dl@1d {
94 /* Accelerometer */ 94 /* Accelerometer */
95 compatible = "st,lis3l 95 compatible = "st,lis3lv02dl-accel";
96 interrupt-parent = <&g 96 interrupt-parent = <&gpio2>;
97 interrupts = <18 IRQ_T 97 interrupts = <18 IRQ_TYPE_EDGE_RISING>; // GPIO 82
98 pinctrl-0 = <&lis3lv02 98 pinctrl-0 = <&lis3lv02dl_nhk_mode>;
99 pinctrl-names = "defau 99 pinctrl-names = "default";
100 reg = <0x1d>; 100 reg = <0x1d>;
101 }; 101 };
102 stmpe0: port-expander@43 { 102 stmpe0: port-expander@43 {
103 compatible = "st,stmpe 103 compatible = "st,stmpe2401";
104 reg = <0x43>; 104 reg = <0x43>;
105 reset-gpios = <&gpio2 105 reset-gpios = <&gpio2 13 GPIO_ACTIVE_LOW>; // GPIO77
106 interrupts = <12 IRQ_T 106 interrupts = <12 IRQ_TYPE_EDGE_FALLING>; // GPIO76
107 interrupt-parent = <&g 107 interrupt-parent = <&gpio2>;
108 wakeup-source; 108 wakeup-source;
109 pinctrl-names = "defau 109 pinctrl-names = "default";
110 pinctrl-0 = <&stmpe240 110 pinctrl-0 = <&stmpe2401_1_nhk_mode>;
111 stmpe_gpio43: gpio { 111 stmpe_gpio43: gpio {
112 compatible = " 112 compatible = "st,stmpe-gpio";
113 gpio-controlle 113 gpio-controller;
114 #gpio-cells = 114 #gpio-cells = <2>;
115 interrupt-cont 115 interrupt-controller;
116 #interrupt-cel 116 #interrupt-cells = <2>;
117 /* Some pins i 117 /* Some pins in alternate functions */
118 st,norequest-m 118 st,norequest-mask = <0xf0f002>;
119 }; 119 };
120 keyboard-controller { 120 keyboard-controller {
121 compatible = " 121 compatible = "st,stmpe-keypad";
122 debounce-inter 122 debounce-interval = <64>;
123 st,scan-count 123 st,scan-count = <8>;
124 st,no-autorepe 124 st,no-autorepeat;
125 keypad,num-row 125 keypad,num-rows = <8>;
126 keypad,num-col 126 keypad,num-columns = <8>;
127 linux,keymap = 127 linux,keymap = <0x00020072 // Vol down
128 128 0x00030073 // Vol up
129 129 0x0100009e // Back
130 130 0x010100e3 // TV out
131 131 0x01020098 // Lock
132 132 0x0103013b // Start
133 133 0x020000a3 // Next
134 134 0x020100a4 // Play
135 135 0x020200a5 // Prev
136 136 0x02030160 // OK
137 137 0x03000069 // Left
138 138 0x0301006a // Right
139 139 0x03020067 // Up
140 140 0x0303006c>; // Down
141 }; 141 };
142 stmpe0_pwm: pwm { 142 stmpe0_pwm: pwm {
143 compatible = " 143 compatible = "st,stmpe-pwm";
144 #pwm-cells = < 144 #pwm-cells = <2>;
145 }; 145 };
146 }; 146 };
147 stmpe1: port-expander@44 { 147 stmpe1: port-expander@44 {
148 compatible = "st,stmpe 148 compatible = "st,stmpe2401";
149 reg = <0x44>; 149 reg = <0x44>;
150 reset-gpios = <&gpio2 150 reset-gpios = <&gpio2 15 GPIO_ACTIVE_LOW>; // GPIO79
151 interrupts = <14 IRQ_T 151 interrupts = <14 IRQ_TYPE_EDGE_FALLING>; // GPIO78
152 interrupt-parent = <&g 152 interrupt-parent = <&gpio2>;
153 wakeup-source; 153 wakeup-source;
154 pinctrl-names = "defau 154 pinctrl-names = "default";
155 pinctrl-0 = <&stmpe240 155 pinctrl-0 = <&stmpe2401_2_nhk_mode>;
156 stmpe_gpio44: gpio { 156 stmpe_gpio44: gpio {
157 compatible = " 157 compatible = "st,stmpe-gpio";
158 gpio-controlle 158 gpio-controller;
159 #gpio-cells = 159 #gpio-cells = <2>;
160 interrupt-cont 160 interrupt-controller;
161 #interrupt-cel 161 #interrupt-cells = <2>;
162 /* 162 /*
163 * This will t 163 * This will turn off SATA so that MMC/SD
164 * can thrive 164 * can thrive
165 */ 165 */
166 mmcsd-hog { 166 mmcsd-hog {
167 gpio-h 167 gpio-hog;
168 gpios 168 gpios = <2 0x0>;
169 output 169 output-low;
170 line-n 170 line-name = "SATA EN";
171 }; 171 };
172 }; 172 };
173 }; 173 };
174 }; 174 };
175 175
176 amba { 176 amba {
177 clcd@10120000 { 177 clcd@10120000 {
178 status = "okay"; 178 status = "okay";
179 pinctrl-names = "defau 179 pinctrl-names = "default";
180 pinctrl-0 = <&clcd_24b 180 pinctrl-0 = <&clcd_24bit_mux>;
181 port { 181 port {
182 nomadik_clcd: 182 nomadik_clcd: endpoint {
183 remote 183 remote-endpoint = <&nomadik_clcd_panel>;
184 arm,pl 184 arm,pl11x,tft-r0g0b0-pads = <16 8 0>;
185 }; 185 };
186 }; 186 };
187 187
188 }; 188 };
189 189
190 /* Activate RX/TX and CTS/RTS 190 /* Activate RX/TX and CTS/RTS on UART 0 */
191 uart0: serial@101fd000 { 191 uart0: serial@101fd000 {
192 pinctrl-names = "defau 192 pinctrl-names = "default";
193 pinctrl-0 = <&uart0_nh 193 pinctrl-0 = <&uart0_nhk_mode>;
194 status = "okay"; 194 status = "okay";
195 }; 195 };
196 mmcsd: mmc@101f6000 { 196 mmcsd: mmc@101f6000 {
197 cd-gpios = <&stmpe_gpi 197 cd-gpios = <&stmpe_gpio44 7 GPIO_ACTIVE_LOW>;
198 wp-gpios = <&stmpe_gpi 198 wp-gpios = <&stmpe_gpio44 18 GPIO_ACTIVE_HIGH>;
199 }; 199 };
200 }; 200 };
201 201
202 spi { 202 spi {
203 compatible = "spi-gpio"; 203 compatible = "spi-gpio";
204 #address-cells = <1>; 204 #address-cells = <1>;
205 #size-cells = <0>; 205 #size-cells = <0>;
206 206
207 /* 207 /*
208 * As we're dealing with 3wire 208 * As we're dealing with 3wire SPI, we only define SCK
209 * and MOSI (in the spec MOSI 209 * and MOSI (in the spec MOSI is called "SDA").
210 */ 210 */
211 sck-gpios = <&gpio0 5 GPIO_ACT 211 sck-gpios = <&gpio0 5 GPIO_ACTIVE_HIGH>;
212 mosi-gpios = <&gpio0 4 GPIO_AC 212 mosi-gpios = <&gpio0 4 GPIO_ACTIVE_HIGH>;
213 cs-gpios = <&gpio0 6 GPIO_ACTI 213 cs-gpios = <&gpio0 6 GPIO_ACTIVE_LOW>;
214 num-chipselects = <1>; 214 num-chipselects = <1>;
215 215
216 /* 216 /*
217 * WVGA connector 21 217 * WVGA connector 21
218 * WVGA (800x480): 4.3" TPG110 218 * WVGA (800x480): 4.3" TPG110 TDO43MTEA2 24-bit RGB
219 * with TPO touch screen. 219 * with TPO touch screen.
220 */ 220 */
221 panel: display@0 { 221 panel: display@0 {
222 /* 222 /*
223 * The TPO display dri 223 * The TPO display driver is connected to a
224 * 5.7" OSD OSD057VA01 224 * 5.7" OSD OSD057VA01CT TFT display.
225 */ 225 */
226 compatible = "tpo,tpg1 226 compatible = "tpo,tpg110";
227 reg = <0>; 227 reg = <0>;
228 spi-3wire; 228 spi-3wire;
229 /* 320 ns min period ~ 229 /* 320 ns min period ~= 3 MHz */
230 spi-max-frequency = <3 230 spi-max-frequency = <3000000>;
231 /* Width and height fr 231 /* Width and height from the OSD data sheet */
232 width-mm = <116>; 232 width-mm = <116>;
233 height-mm = <87>; 233 height-mm = <87>;
234 grestb-gpios = <&stmpe 234 grestb-gpios = <&stmpe_gpio44 5 GPIO_ACTIVE_LOW>;
235 backlight = <&bl>; 235 backlight = <&bl>;
236 236
237 port { 237 port {
238 nomadik_clcd_p 238 nomadik_clcd_panel: endpoint {
239 remote 239 remote-endpoint = <&nomadik_clcd>;
240 }; 240 };
241 }; 241 };
242 }; 242 };
243 }; 243 };
244 244
245 bl: backlight { 245 bl: backlight {
246 compatible = "pwm-backlight"; 246 compatible = "pwm-backlight";
247 pwms = <&stmpe0_pwm 0 500000>; 247 pwms = <&stmpe0_pwm 0 500000>;
248 pwm-names = "backlight"; 248 pwm-names = "backlight";
249 brightness-levels = < 249 brightness-levels = <
250 0 1 2 3 4 5 6 7 250 0 1 2 3 4 5 6 7 8 9
251 10 11 12 13 14 15 16 1 251 10 11 12 13 14 15 16 17 18 19
252 20 21 22 23 24 25 26 2 252 20 21 22 23 24 25 26 27 28 29
253 30 31 32 33 34 35 36 3 253 30 31 32 33 34 35 36 37 38 39
254 40 41 42 43 44 45 46 4 254 40 41 42 43 44 45 46 47 48 49
255 50 51 52 53 54 55 56 5 255 50 51 52 53 54 55 56 57 58 59
256 60 61 62 63 64 65 66 6 256 60 61 62 63 64 65 66 67 68 69
257 70 71 72 73 74 75 76 7 257 70 71 72 73 74 75 76 77 78 79
258 80 81 82 83 84 85 86 8 258 80 81 82 83 84 85 86 87 88 89
259 90 91 92 93 94 95 96 9 259 90 91 92 93 94 95 96 97 98 99
260 100 260 100
261 >; 261 >;
262 default-brightness-level = <10 262 default-brightness-level = <100>;
263 }; 263 };
264 }; 264 };
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.