1 // SPDX-License-Identifier: GPL-2.0 1 // SPDX-License-Identifier: GPL-2.0
2 /* 2 /*
3 * TOPEET's Exynos4412 based itop board device 3 * TOPEET's Exynos4412 based itop board device tree source
4 * 4 *
5 * Copyright (c) 2016 SUMOMO Computer Associat 5 * Copyright (c) 2016 SUMOMO Computer Association
6 * https://www.sumomo.mob 6 * https://www.sumomo.mobi
7 * Randy Li <ayaka@soulik. 7 * Randy Li <ayaka@soulik.info>
8 * 8 *
9 * Device tree source file for TOPEET iTop Exy 9 * Device tree source file for TOPEET iTop Exynos 4412 core board
10 * which is based on Samsung's Exynos4412 SoC. 10 * which is based on Samsung's Exynos4412 SoC.
11 */ 11 */
12 12
13 /dts-v1/; 13 /dts-v1/;
14 #include <dt-bindings/leds/common.h> 14 #include <dt-bindings/leds/common.h>
15 #include <dt-bindings/pwm/pwm.h> 15 #include <dt-bindings/pwm/pwm.h>
16 #include <dt-bindings/sound/samsung-i2s.h> 16 #include <dt-bindings/sound/samsung-i2s.h>
17 #include "exynos4412-itop-scp-core.dtsi" 17 #include "exynos4412-itop-scp-core.dtsi"
18 18
19 / { 19 / {
20 model = "TOPEET iTop 4412 Elite board 20 model = "TOPEET iTop 4412 Elite board based on Exynos4412";
21 compatible = "topeet,itop4412-elite", 21 compatible = "topeet,itop4412-elite", "samsung,exynos4412", "samsung,exynos4";
22 22
23 aliases { 23 aliases {
24 mmc1 = &sdhci_2; 24 mmc1 = &sdhci_2;
25 }; 25 };
26 26
27 chosen { 27 chosen {
28 bootargs = "root=/dev/mmcblk0p 28 bootargs = "root=/dev/mmcblk0p2 rw rootfstype=ext4 rootdelay=1 rootwait";
29 stdout-path = "serial2:115200n 29 stdout-path = "serial2:115200n8";
30 }; 30 };
31 31
32 leds { 32 leds {
33 compatible = "gpio-leds"; 33 compatible = "gpio-leds";
34 34
35 led2 { 35 led2 {
36 function = LED_FUNCTIO 36 function = LED_FUNCTION_HEARTBEAT;
37 color = <LED_COLOR_ID_ 37 color = <LED_COLOR_ID_RED>;
38 gpios = <&gpx1 0 GPIO_ 38 gpios = <&gpx1 0 GPIO_ACTIVE_HIGH>;
39 default-state = "off"; 39 default-state = "off";
40 linux,default-trigger 40 linux,default-trigger = "heartbeat";
41 }; 41 };
42 42
43 led3 { 43 led3 {
44 label = "red:user"; 44 label = "red:user";
45 color = <LED_COLOR_ID_ 45 color = <LED_COLOR_ID_RED>;
46 gpios = <&gpk1 1 GPIO_ 46 gpios = <&gpk1 1 GPIO_ACTIVE_HIGH>;
47 default-state = "off"; 47 default-state = "off";
48 }; 48 };
49 }; 49 };
50 50
51 gpio-keys { 51 gpio-keys {
52 compatible = "gpio-keys"; 52 compatible = "gpio-keys";
53 53
54 key-home { 54 key-home {
55 label = "GPIO Key Home 55 label = "GPIO Key Home";
56 linux,code = <KEY_HOME 56 linux,code = <KEY_HOME>;
57 gpios = <&gpx1 1 GPIO_ 57 gpios = <&gpx1 1 GPIO_ACTIVE_LOW>;
58 }; 58 };
59 59
60 key-back { 60 key-back {
61 label = "GPIO Key Back 61 label = "GPIO Key Back";
62 linux,code = <KEY_BACK 62 linux,code = <KEY_BACK>;
63 gpios = <&gpx1 2 GPIO_ 63 gpios = <&gpx1 2 GPIO_ACTIVE_LOW>;
64 }; 64 };
65 65
66 key-sleep { 66 key-sleep {
67 label = "GPIO Key Slee 67 label = "GPIO Key Sleep";
68 linux,code = <KEY_POWE 68 linux,code = <KEY_POWER>;
69 gpios = <&gpx3 3 GPIO_ 69 gpios = <&gpx3 3 GPIO_ACTIVE_LOW>;
70 }; 70 };
71 71
72 key-vol-up { 72 key-vol-up {
73 label = "GPIO Key Vol+ 73 label = "GPIO Key Vol+";
74 linux,code = <KEY_UP>; 74 linux,code = <KEY_UP>;
75 gpios = <&gpx2 1 GPIO_ 75 gpios = <&gpx2 1 GPIO_ACTIVE_LOW>;
76 }; 76 };
77 77
78 key-vol-down { 78 key-vol-down {
79 label = "GPIO Key Vol- 79 label = "GPIO Key Vol-";
80 linux,code = <KEY_DOWN 80 linux,code = <KEY_DOWN>;
81 gpios = <&gpx2 0 GPIO_ 81 gpios = <&gpx2 0 GPIO_ACTIVE_LOW>;
82 }; 82 };
83 }; 83 };
84 84
85 sound { 85 sound {
86 compatible = "simple-audio-car 86 compatible = "simple-audio-card";
87 simple-audio-card,name = "wm-s 87 simple-audio-card,name = "wm-sound";
88 88
89 simple-audio-card,format = "i2 89 simple-audio-card,format = "i2s";
90 simple-audio-card,bitclock-mas 90 simple-audio-card,bitclock-master = <&link0_codec>;
91 simple-audio-card,frame-master 91 simple-audio-card,frame-master = <&link0_codec>;
92 92
93 simple-audio-card,widgets = 93 simple-audio-card,widgets =
94 "Microphone", "Mic Jac 94 "Microphone", "Mic Jack",
95 "Line", "Line In", 95 "Line", "Line In",
96 "Line", "Line Out", 96 "Line", "Line Out",
97 "Speaker", "Speaker", 97 "Speaker", "Speaker",
98 "Headphone", "Headphon 98 "Headphone", "Headphone Jack";
99 simple-audio-card,routing = 99 simple-audio-card,routing =
100 "Headphone Jack", "HP_ 100 "Headphone Jack", "HP_L",
101 "Headphone Jack", "HP_ 101 "Headphone Jack", "HP_R",
102 "Speaker", "SPK_LP", 102 "Speaker", "SPK_LP",
103 "Speaker", "SPK_LN", 103 "Speaker", "SPK_LN",
104 "Speaker", "SPK_RP", 104 "Speaker", "SPK_RP",
105 "Speaker", "SPK_RN", 105 "Speaker", "SPK_RN",
106 "LINPUT1", "Mic Jack", 106 "LINPUT1", "Mic Jack",
107 "LINPUT3", "Mic Jack", 107 "LINPUT3", "Mic Jack",
108 "RINPUT1", "Mic Jack", 108 "RINPUT1", "Mic Jack",
109 "RINPUT2", "Mic Jack"; 109 "RINPUT2", "Mic Jack";
110 110
111 simple-audio-card,cpu { 111 simple-audio-card,cpu {
112 sound-dai = <&i2s0 0>; 112 sound-dai = <&i2s0 0>;
113 }; 113 };
114 114
115 link0_codec: simple-audio-card 115 link0_codec: simple-audio-card,codec {
116 sound-dai = <&codec>; 116 sound-dai = <&codec>;
117 clocks = <&i2s0 CLK_I2 117 clocks = <&i2s0 CLK_I2S_CDCLK>;
118 system-clock-frequency 118 system-clock-frequency = <11289600>;
119 }; 119 };
120 }; 120 };
121 121
122 beep { 122 beep {
123 compatible = "pwm-beeper"; 123 compatible = "pwm-beeper";
124 pwms = <&pwm 0 4000000 PWM_POL 124 pwms = <&pwm 0 4000000 PWM_POLARITY_INVERTED>;
125 }; 125 };
126 }; 126 };
127 127
128 &adc { 128 &adc {
129 vdd-supply = <&ldo3_reg>; 129 vdd-supply = <&ldo3_reg>;
130 status = "okay"; 130 status = "okay";
131 }; 131 };
132 132
133 &camera { 133 &camera {
134 pinctrl-0 = <&cam_port_a_clk_active>; 134 pinctrl-0 = <&cam_port_a_clk_active>;
135 pinctrl-names = "default"; 135 pinctrl-names = "default";
136 status = "okay"; 136 status = "okay";
137 assigned-clocks = <&clock CLK_MOUT_CAM 137 assigned-clocks = <&clock CLK_MOUT_CAM0>;
138 assigned-clock-parents = <&clock CLK_X 138 assigned-clock-parents = <&clock CLK_XUSBXTI>;
139 }; 139 };
140 140
141 &clock_audss { 141 &clock_audss {
142 assigned-clocks = <&clock_audss EXYNOS 142 assigned-clocks = <&clock_audss EXYNOS_MOUT_AUDSS>,
143 <&clock_audss EXYNOS_M 143 <&clock_audss EXYNOS_MOUT_I2S>,
144 <&clock_audss EXYNOS_D 144 <&clock_audss EXYNOS_DOUT_SRP>,
145 <&clock_audss EXYNOS_D 145 <&clock_audss EXYNOS_DOUT_AUD_BUS>;
146 assigned-clock-parents = <&clock CLK_F 146 assigned-clock-parents = <&clock CLK_FOUT_EPLL>,
147 <&clock_audss EXYNOS_M 147 <&clock_audss EXYNOS_MOUT_AUDSS>;
148 assigned-clock-rates = <0>, <0>, <1128 148 assigned-clock-rates = <0>, <0>, <112896000>, <11289600>;
149 }; 149 };
150 150
151 &ehci { 151 &ehci {
152 status = "okay"; 152 status = "okay";
153 /* In order to reset USB ethernet */ 153 /* In order to reset USB ethernet */
154 samsung,vbus-gpio = <&gpc0 1 GPIO_ACTI 154 samsung,vbus-gpio = <&gpc0 1 GPIO_ACTIVE_HIGH>;
155 155
156 phys = <&exynos_usbphy 1>, <&exynos_us 156 phys = <&exynos_usbphy 1>, <&exynos_usbphy 3>;
157 phy-names = "host", "hsic1"; 157 phy-names = "host", "hsic1";
158 }; 158 };
159 159
160 &exynos_usbphy { 160 &exynos_usbphy {
161 status = "okay"; 161 status = "okay";
162 }; 162 };
163 163
164 &fimc_0 { 164 &fimc_0 {
165 status = "okay"; 165 status = "okay";
166 assigned-clocks = <&clock CLK_MOUT_FIM 166 assigned-clocks = <&clock CLK_MOUT_FIMC0>,
167 <&clock CLK_SCLK_FIMC0 167 <&clock CLK_SCLK_FIMC0>;
168 assigned-clock-parents = <&clock CLK_M 168 assigned-clock-parents = <&clock CLK_MOUT_MPLL_USER_T>;
169 assigned-clock-rates = <0>, <176000000 169 assigned-clock-rates = <0>, <176000000>;
170 }; 170 };
171 171
172 &hsotg { 172 &hsotg {
173 dr_mode = "peripheral"; 173 dr_mode = "peripheral";
174 status = "okay"; 174 status = "okay";
175 }; 175 };
176 176
177 &i2c_4 { 177 &i2c_4 {
178 samsung,i2c-sda-delay = <100>; 178 samsung,i2c-sda-delay = <100>;
179 samsung,i2c-slave-addr = <0x10>; 179 samsung,i2c-slave-addr = <0x10>;
180 samsung,i2c-max-bus-freq = <100000>; 180 samsung,i2c-max-bus-freq = <100000>;
181 pinctrl-0 = <&i2c4_bus>; 181 pinctrl-0 = <&i2c4_bus>;
182 pinctrl-names = "default"; 182 pinctrl-names = "default";
183 status = "okay"; 183 status = "okay";
184 184
185 codec: audio-codec@1a { 185 codec: audio-codec@1a {
186 compatible = "wlf,wm8960"; 186 compatible = "wlf,wm8960";
187 reg = <0x1a>; 187 reg = <0x1a>;
188 clocks = <&pmu_system_controll 188 clocks = <&pmu_system_controller 0>;
189 clock-names = "mclk"; 189 clock-names = "mclk";
190 wlf,shared-lrclk; 190 wlf,shared-lrclk;
191 #sound-dai-cells = <0>; 191 #sound-dai-cells = <0>;
192 }; 192 };
193 }; 193 };
194 194
195 &i2s0 { 195 &i2s0 {
196 pinctrl-0 = <&i2s0_bus>; 196 pinctrl-0 = <&i2s0_bus>;
197 pinctrl-names = "default"; 197 pinctrl-names = "default";
198 status = "okay"; 198 status = "okay";
199 }; 199 };
200 200
201 &pinctrl_1 { 201 &pinctrl_1 {
202 ether-reset-pins { 202 ether-reset-pins {
203 samsung,pins = "gpc0-1"; 203 samsung,pins = "gpc0-1";
204 samsung,pin-function = <EXYNOS 204 samsung,pin-function = <EXYNOS_PIN_FUNC_INPUT>;
205 samsung,pin-pud = <EXYNOS_PIN_ 205 samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
206 samsung,pin-drv = <EXYNOS4_PIN 206 samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>;
207 }; 207 };
208 }; 208 };
209 209
210 &pwm { 210 &pwm {
211 status = "okay"; 211 status = "okay";
212 pinctrl-0 = <&pwm0_out>; 212 pinctrl-0 = <&pwm0_out>;
213 pinctrl-names = "default"; 213 pinctrl-names = "default";
214 samsung,pwm-outputs = <0>; 214 samsung,pwm-outputs = <0>;
215 }; 215 };
216 216
217 &sdhci_2 { 217 &sdhci_2 {
218 bus-width = <4>; 218 bus-width = <4>;
219 pinctrl-0 = <&sd2_clk &sd2_cmd &sd2_bu 219 pinctrl-0 = <&sd2_clk &sd2_cmd &sd2_bus4>;
220 pinctrl-names = "default"; 220 pinctrl-names = "default";
221 cd-gpios = <&gpx0 7 GPIO_ACTIVE_LOW>; 221 cd-gpios = <&gpx0 7 GPIO_ACTIVE_LOW>;
222 cap-sd-highspeed; 222 cap-sd-highspeed;
223 vmmc-supply = <&ldo23_reg>; 223 vmmc-supply = <&ldo23_reg>;
224 vqmmc-supply = <&ldo17_reg>; 224 vqmmc-supply = <&ldo17_reg>;
225 status = "okay"; 225 status = "okay";
226 }; 226 };
227 227
228 &serial_1 { 228 &serial_1 {
229 status = "okay"; 229 status = "okay";
230 }; 230 };
231 231
232 &serial_2 { 232 &serial_2 {
233 status = "okay"; 233 status = "okay";
234 }; 234 };
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.