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};
235