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