1/*
  2 * Device Tree Source for the M3ULCB (R-Car Starter Kit Pro) board
  3 *
  4 * Copyright (C) 2016 Renesas Electronics Corp.
  5 * Copyright (C) 2016 Cogent Embedded, Inc.
  6 *
  7 * This file is licensed under the terms of the GNU General Public License
  8 * version 2.  This program is licensed "as is" without any warranty of any
  9 * kind, whether express or implied.
 10 */
 11
 12/dts-v1/;
 13#include "r8a7796.dtsi"
 14#include <dt-bindings/gpio/gpio.h>
 15#include <dt-bindings/input/input.h>
 16
 17/ {
 18	model = "Renesas M3ULCB board based on r8a7796";
 19	compatible = "renesas,m3ulcb", "renesas,r8a7796";
 20
 21	aliases {
 22		serial0 = &scif2;
 23	};
 24
 25	chosen {
 26		stdout-path = "serial0:115200n8";
 27	};
 28
 29	memory@48000000 {
 30		device_type = "memory";
 31		/* first 128MB is reserved for secure area. */
 32		reg = <0x0 0x48000000 0x0 0x38000000>;
 33	};
 34
 35	leds {
 36		compatible = "gpio-leds";
 37
 38		led5 {
 39			gpios = <&gpio6 12 GPIO_ACTIVE_HIGH>;
 40		};
 41		led6 {
 42			gpios = <&gpio6 13 GPIO_ACTIVE_HIGH>;
 43		};
 44	};
 45
 46	keyboard {
 47		compatible = "gpio-keys";
 48
 49		key-1 {
 50			linux,code = <KEY_1>;
 51			label = "SW3";
 52			wakeup-source;
 53			debounce-interval = <20>;
 54			gpios = <&gpio6 11 GPIO_ACTIVE_LOW>;
 55		};
 56	};
 57
 58	reg_1p8v: regulator0 {
 59		compatible = "regulator-fixed";
 60		regulator-name = "fixed-1.8V";
 61		regulator-min-microvolt = <1800000>;
 62		regulator-max-microvolt = <1800000>;
 63		regulator-boot-on;
 64		regulator-always-on;
 65	};
 66
 67	reg_3p3v: regulator1 {
 68		compatible = "regulator-fixed";
 69		regulator-name = "fixed-3.3V";
 70		regulator-min-microvolt = <3300000>;
 71		regulator-max-microvolt = <3300000>;
 72		regulator-boot-on;
 73		regulator-always-on;
 74	};
 75
 76	vcc_sdhi0: regulator-vcc-sdhi0 {
 77		compatible = "regulator-fixed";
 78
 79		regulator-name = "SDHI0 Vcc";
 80		regulator-min-microvolt = <3300000>;
 81		regulator-max-microvolt = <3300000>;
 82
 83		gpio = <&gpio5 2 GPIO_ACTIVE_HIGH>;
 84		enable-active-high;
 85	};
 86
 87	vccq_sdhi0: regulator-vccq-sdhi0 {
 88		compatible = "regulator-gpio";
 89
 90		regulator-name = "SDHI0 VccQ";
 91		regulator-min-microvolt = <1800000>;
 92		regulator-max-microvolt = <3300000>;
 93
 94		gpios = <&gpio5 1 GPIO_ACTIVE_HIGH>;
 95		gpios-states = <1>;
 96		states = <3300000 1
 97			  1800000 0>;
 98	};
 99};
100
101&extal_clk {
102	clock-frequency = <16666666>;
103};
104
105&extalr_clk {
106	clock-frequency = <32768>;
107};
108
109&pfc {
110	pinctrl-0 = <&scif_clk_pins>;
111	pinctrl-names = "default";
112
113	scif2_pins: scif2 {
114		groups = "scif2_data_a";
115		function = "scif2";
116	};
117
118	scif_clk_pins: scif_clk {
119		groups = "scif_clk_a";
120		function = "scif_clk";
121	};
122
123	sdhi0_pins: sd0 {
124		groups = "sdhi0_data4", "sdhi0_ctrl";
125		function = "sdhi0";
126		power-source = <3300>;
127	};
128
129	sdhi0_pins_uhs: sd0_uhs {
130		groups = "sdhi0_data4", "sdhi0_ctrl";
131		function = "sdhi0";
132		power-source = <1800>;
133	};
134
135	sdhi2_pins: sd2 {
136		groups = "sdhi2_data8", "sdhi2_ctrl";
137		function = "sdhi2";
138		power-source = <3300>;
139	};
140
141	sdhi2_pins_uhs: sd2_uhs {
142		groups = "sdhi2_data8", "sdhi2_ctrl";
143		function = "sdhi2";
144		power-source = <1800>;
145	};
146};
147
148&sdhi0 {
149	pinctrl-0 = <&sdhi0_pins>;
150	pinctrl-1 = <&sdhi0_pins_uhs>;
151	pinctrl-names = "default", "state_uhs";
152
153	vmmc-supply = <&vcc_sdhi0>;
154	vqmmc-supply = <&vccq_sdhi0>;
155	cd-gpios = <&gpio3 12 GPIO_ACTIVE_LOW>;
156	bus-width = <4>;
157	sd-uhs-sdr50;
158	status = "okay";
159};
160
161&sdhi2 {
162	/* used for on-board 8bit eMMC */
163	pinctrl-0 = <&sdhi2_pins>;
164	pinctrl-1 = <&sdhi2_pins_uhs>;
165	pinctrl-names = "default", "state_uhs";
166
167	vmmc-supply = <&reg_3p3v>;
168	vqmmc-supply = <&reg_1p8v>;
169	bus-width = <8>;
170	non-removable;
171	status = "okay";
172};
173
174&scif2 {
175	pinctrl-0 = <&scif2_pins>;
176	pinctrl-names = "default";
177
178	status = "okay";
179};
180
181&scif_clk {
182	clock-frequency = <14745600>;
183	status = "okay";
184};
185
186&wdt0 {
187	timeout-sec = <60>;
188	status = "okay";
189};