1/*
  2 * Reference Device Tree Source for the armadillo 800 eva board
  3 *
  4 * Copyright (C) 2012 Renesas Solutions Corp.
  5 *
  6 * This file is licensed under the terms of the GNU General Public License
  7 * version 2.  This program is licensed "as is" without any warranty of any
  8 * kind, whether express or implied.
  9 */
 10
 11/dts-v1/;
 12#include "r8a7740.dtsi"
 13#include <dt-bindings/gpio/gpio.h>
 14#include <dt-bindings/interrupt-controller/irq.h>
 15#include <dt-bindings/pwm/pwm.h>
 16
 17/ {
 18	model = "armadillo 800 eva reference";
 19	compatible = "renesas,armadillo800eva-reference", "renesas,r8a7740";
 20
 21	chosen {
 22		bootargs = "console=tty0 console=ttySC1,115200 earlyprintk=sh-sci.1,115200 ignore_loglevel root=/dev/nfs ip=dhcp rw";
 23	};
 24
 25	memory {
 26		device_type = "memory";
 27		reg = <0x40000000 0x20000000>;
 28	};
 29
 30	reg_3p3v: regulator@0 {
 31		compatible = "regulator-fixed";
 32		regulator-name = "fixed-3.3V";
 33		regulator-min-microvolt = <3300000>;
 34		regulator-max-microvolt = <3300000>;
 35		regulator-always-on;
 36		regulator-boot-on;
 37	};
 38
 39	vcc_sdhi0: regulator@1 {
 40		compatible = "regulator-fixed";
 41
 42		regulator-name = "SDHI0 Vcc";
 43		regulator-min-microvolt = <3300000>;
 44		regulator-max-microvolt = <3300000>;
 45
 46		gpio = <&pfc 75 GPIO_ACTIVE_HIGH>;
 47		enable-active-high;
 48	};
 49
 50	vccq_sdhi0: regulator@2 {
 51		compatible = "regulator-gpio";
 52
 53		regulator-name = "SDHI0 VccQ";
 54		regulator-min-microvolt = <1800000>;
 55		regulator-max-microvolt = <3300000>;
 56		vin-supply = <&vcc_sdhi0>;
 57
 58		enable-gpio = <&pfc 74 GPIO_ACTIVE_HIGH>;
 59		gpios = <&pfc 17 GPIO_ACTIVE_HIGH>;
 60		states = <3300000 0
 61			  1800000 1>;
 62
 63		enable-active-high;
 64	};
 65
 66	reg_5p0v: regulator@3 {
 67		compatible = "regulator-fixed";
 68		regulator-name = "fixed-5.0V";
 69		regulator-min-microvolt = <5000000>;
 70		regulator-max-microvolt = <5000000>;
 71		regulator-always-on;
 72		regulator-boot-on;
 73	};
 74
 75	gpio-keys {
 76		compatible = "gpio-keys";
 77
 78		power-key {
 79			gpios = <&pfc 99 GPIO_ACTIVE_LOW>;
 80			linux,code = <116>;
 81			label = "SW3";
 82			gpio-key,wakeup;
 83		};
 84
 85		back-key {
 86			gpios = <&pfc 100 GPIO_ACTIVE_LOW>;
 87			linux,code = <158>;
 88			label = "SW4";
 89		};
 90
 91		menu-key {
 92			gpios = <&pfc 97 GPIO_ACTIVE_LOW>;
 93			linux,code = <139>;
 94			label = "SW5";
 95		};
 96
 97		home-key {
 98			gpios = <&pfc 98 GPIO_ACTIVE_LOW>;
 99			linux,code = <102>;
100			label = "SW6";
101		};
102	};
103
104	leds {
105		compatible = "gpio-leds";
106		led1 {
107			gpios = <&pfc 102 GPIO_ACTIVE_HIGH>;
108		};
109		led2 {
110			gpios = <&pfc 111 GPIO_ACTIVE_HIGH>;
111		};
112		led3 {
113			gpios = <&pfc 110 GPIO_ACTIVE_HIGH>;
114		};
115		led4 {
116			gpios = <&pfc 177 GPIO_ACTIVE_HIGH>;
117		};
118	};
119
120	backlight {
121		compatible = "pwm-backlight";
122		pwms = <&tpu 2 33333 PWM_POLARITY_INVERTED>;
123		brightness-levels = <0 1 2 4 8 16 32 64 128 255>;
124		default-brightness-level = <9>;
125		pinctrl-0 = <&backlight_pins>;
126		pinctrl-names = "default";
127		power-supply = <&reg_5p0v>;
128		enable-gpios = <&pfc 61 GPIO_ACTIVE_HIGH>;
129	};
130
131	sound {
132		compatible = "simple-audio-card";
133
134		simple-audio-card,format = "i2s";
135
136		simple-audio-card,cpu {
137			sound-dai = <&sh_fsi2 0>;
138			bitclock-inversion;
139		};
140
141		simple-audio-card,codec {
142			sound-dai = <&wm8978>;
143			bitclock-master;
144			frame-master;
145			system-clock-frequency = <12288000>;
146		};
147	};
148};
149
150&i2c0 {
151	status = "okay";
152	touchscreen@55 {
153		compatible = "sitronix,st1232";
154		reg = <0x55>;
155		interrupt-parent = <&irqpin1>;
156		interrupts = <2 IRQ_TYPE_LEVEL_LOW>;
157		pinctrl-0 = <&st1232_pins>;
158		pinctrl-names = "default";
159		gpios = <&pfc 166 GPIO_ACTIVE_LOW>;
160	};
161
162	wm8978: wm8978@1a {
163		#sound-dai-cells = <0>;
164		compatible = "wlf,wm8978";
165		reg = <0x1a>;
166	};
167};
168
169&pfc {
170	pinctrl-0 = <&scifa1_pins>;
171	pinctrl-names = "default";
172
173	scifa1_pins: serial1 {
174		renesas,groups = "scifa1_data";
175		renesas,function = "scifa1";
176	};
177
178	st1232_pins: touchscreen {
179		renesas,groups = "intc_irq10";
180		renesas,function = "intc";
181	};
182
183	backlight_pins: backlight {
184		renesas,groups = "tpu0_to2_1";
185		renesas,function = "tpu0";
186	};
187
188	mmc0_pins: mmc0 {
189		renesas,groups = "mmc0_data8_1", "mmc0_ctrl_1";
190		renesas,function = "mmc0";
191	};
192
193	sdhi0_pins: sd0 {
194		renesas,groups = "sdhi0_data4", "sdhi0_ctrl", "sdhi0_wp";
195		renesas,function = "sdhi0";
196	};
197
198	fsia_pins: sounda {
199		renesas,groups = "fsia_sclk_in", "fsia_mclk_out",
200				 "fsia_data_in_1", "fsia_data_out_0";
201		renesas,function = "fsia";
202	};
203};
204
205&tpu {
206	status = "okay";
207};
208
209&mmcif0 {
210	pinctrl-0 = <&mmc0_pins>;
211	pinctrl-names = "default";
212
213	vmmc-supply = <&reg_3p3v>;
214	bus-width = <8>;
215	non-removable;
216	status = "okay";
217};
218
219&sdhi0 {
220	pinctrl-0 = <&sdhi0_pins>;
221	pinctrl-names = "default";
222
223	vmmc-supply = <&vcc_sdhi0>;
224	vqmmc-supply = <&vccq_sdhi0>;
225	bus-width = <4>;
226	cd-gpios = <&pfc 167 GPIO_ACTIVE_LOW>;
227	status = "okay";
228};
229
230&sh_fsi2 {
231	pinctrl-0 = <&fsia_pins>;
232	pinctrl-names = "default";
233
234	status = "okay";
235};