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	chosen {
 24		bootargs = "root=/dev/mmcblk0p2 rw rootfstype=ext4 rootdelay=1 rootwait";
 25		stdout-path = "serial2:115200n8";
 26	};
 27
 28	leds {
 29		compatible = "gpio-leds";
 30
 31		led2 {
 32			function = LED_FUNCTION_HEARTBEAT;
 33			color = <LED_COLOR_ID_RED>;
 34			gpios = <&gpx1 0 GPIO_ACTIVE_HIGH>;
 35			default-state = "off";
 36			linux,default-trigger = "heartbeat";
 37		};
 38
 39		led3 {
 40			label = "red:user";
 41			color = <LED_COLOR_ID_RED>;
 42			gpios = <&gpk1 1 GPIO_ACTIVE_HIGH>;
 43			default-state = "off";
 44		};
 45	};
 46
 47	gpio-keys {
 48		compatible = "gpio-keys";
 49
 50		key-home {
 51			label = "GPIO Key Home";
 52			linux,code = <KEY_HOME>;
 53			gpios = <&gpx1 1 GPIO_ACTIVE_LOW>;
 54		};
 55
 56		key-back {
 57			label = "GPIO Key Back";
 58			linux,code = <KEY_BACK>;
 59			gpios = <&gpx1 2 GPIO_ACTIVE_LOW>;
 60		};
 61
 62		key-sleep {
 63			label = "GPIO Key Sleep";
 64			linux,code = <KEY_POWER>;
 65			gpios = <&gpx3 3 GPIO_ACTIVE_LOW>;
 66		};
 67
 68		key-vol-up {
 69			label = "GPIO Key Vol+";
 70			linux,code = <KEY_UP>;
 71			gpios = <&gpx2 1 GPIO_ACTIVE_LOW>;
 72		};
 73
 74		key-vol-down {
 75			label = "GPIO Key Vol-";
 76			linux,code = <KEY_DOWN>;
 77			gpios = <&gpx2 0 GPIO_ACTIVE_LOW>;
 78		};
 79	};
 80
 81	sound {
 82		compatible = "simple-audio-card";
 83		simple-audio-card,name = "wm-sound";
 84
 85		simple-audio-card,format = "i2s";
 86		simple-audio-card,bitclock-master = <&link0_codec>;
 87		simple-audio-card,frame-master = <&link0_codec>;
 88
 89		simple-audio-card,widgets =
 90			"Microphone", "Mic Jack",
 91			"Line", "Line In",
 92			"Line", "Line Out",
 93			"Speaker", "Speaker",
 94			"Headphone", "Headphone Jack";
 95		simple-audio-card,routing =
 96			"Headphone Jack", "HP_L",
 97			"Headphone Jack", "HP_R",
 98			"Speaker", "SPK_LP",
 99			"Speaker", "SPK_LN",
100			"Speaker", "SPK_RP",
101			"Speaker", "SPK_RN",
102			"LINPUT1", "Mic Jack",
103			"LINPUT3", "Mic Jack",
104			"RINPUT1", "Mic Jack",
105			"RINPUT2", "Mic Jack";
106
107		simple-audio-card,cpu {
108			sound-dai = <&i2s0 0>;
109		};
110
111		link0_codec: simple-audio-card,codec {
112			sound-dai = <&codec>;
113			clocks = <&i2s0 CLK_I2S_CDCLK>;
114			system-clock-frequency = <11289600>;
115		};
116	};
117
118	beep {
119		compatible = "pwm-beeper";
120		pwms = <&pwm 0 4000000 PWM_POLARITY_INVERTED>;
121	};
122};
123
124&adc {
125	vdd-supply = <&ldo3_reg>;
126	status = "okay";
127};
128
129&camera {
130	pinctrl-0 = <&cam_port_a_clk_active>;
131	pinctrl-names = "default";
132	status = "okay";
133	assigned-clocks = <&clock CLK_MOUT_CAM0>;
134	assigned-clock-parents = <&clock CLK_XUSBXTI>;
135};
136
137&clock_audss {
138	assigned-clocks = <&clock_audss EXYNOS_MOUT_AUDSS>,
139			<&clock_audss EXYNOS_MOUT_I2S>,
140			<&clock_audss EXYNOS_DOUT_SRP>,
141			<&clock_audss EXYNOS_DOUT_AUD_BUS>;
142	assigned-clock-parents = <&clock CLK_FOUT_EPLL>,
143			<&clock_audss EXYNOS_MOUT_AUDSS>;
144	assigned-clock-rates = <0>, <0>, <112896000>, <11289600>;
145};
146
147&ehci {
148	status = "okay";
149	/* In order to reset USB ethernet */
150	samsung,vbus-gpio = <&gpc0 1 GPIO_ACTIVE_HIGH>;
151
152	phys = <&exynos_usbphy 1>, <&exynos_usbphy 3>;
153	phy-names = "host", "hsic1";
154};
155
156&exynos_usbphy {
157	status = "okay";
158};
159
160&fimc_0 {
161	status = "okay";
162	assigned-clocks = <&clock CLK_MOUT_FIMC0>,
163			<&clock CLK_SCLK_FIMC0>;
164	assigned-clock-parents = <&clock CLK_MOUT_MPLL_USER_T>;
165	assigned-clock-rates = <0>, <176000000>;
166};
167
168&hsotg {
169	dr_mode = "peripheral";
170	status = "okay";
171};
172
173&i2c_4 {
174	samsung,i2c-sda-delay = <100>;
175	samsung,i2c-slave-addr = <0x10>;
176	samsung,i2c-max-bus-freq = <100000>;
177	pinctrl-0 = <&i2c4_bus>;
178	pinctrl-names = "default";
179	status = "okay";
180
181	codec: audio-codec@1a {
182		compatible = "wlf,wm8960";
183		reg = <0x1a>;
184		clocks = <&pmu_system_controller 0>;
185		clock-names = "MCLK1";
186		wlf,shared-lrclk;
187		#sound-dai-cells = <0>;
188	};
189};
190
191&i2s0 {
192	pinctrl-0 = <&i2s0_bus>;
193	pinctrl-names = "default";
194	status = "okay";
195};
196
197&pinctrl_1 {
198	ether-reset-pins {
199		samsung,pins = "gpc0-1";
200		samsung,pin-function = <EXYNOS_PIN_FUNC_INPUT>;
201		samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
202		samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>;
203	};
204};
205
206&pwm {
207	status = "okay";
208	pinctrl-0 = <&pwm0_out>;
209	pinctrl-names = "default";
210	samsung,pwm-outputs = <0>;
211};
212
213&sdhci_2 {
214	bus-width = <4>;
215	pinctrl-0 = <&sd2_clk &sd2_cmd &sd2_bus4>;
216	pinctrl-names = "default";
217	cd-gpio = <&gpx0 7 GPIO_ACTIVE_LOW>;
218	cap-sd-highspeed;
219	vmmc-supply = <&ldo23_reg>;
220	vqmmc-supply = <&ldo17_reg>;
221	status = "okay";
222};
223
224&serial_1 {
225	status = "okay";
226};
227
228&serial_2 {
229	status = "okay";
230};