1// SPDX-License-Identifier: GPL-2.0
2/*
3 * Device Tree Source for the Falcon CPU board
4 *
5 * Copyright (C) 2020 Renesas Electronics Corp.
6 */
7
8#include <dt-bindings/gpio/gpio.h>
9#include <dt-bindings/input/input.h>
10#include <dt-bindings/leds/common.h>
11
12#include "r8a779a0.dtsi"
13
14/ {
15	model = "Renesas Falcon CPU board";
16	compatible = "renesas,falcon-cpu", "renesas,r8a779a0";
17
18	aliases {
19		serial0 = &scif0;
20	};
21
22	chosen {
23		stdout-path = "serial0:115200n8";
24	};
25
26	keys {
27		compatible = "gpio-keys";
28
29		pinctrl-0 = <&keys_pins>;
30		pinctrl-names = "default";
31
32		key-1 {
33			gpios = <&gpio6 18 GPIO_ACTIVE_LOW>;
34			linux,code = <KEY_1>;
35			label = "SW47";
36			wakeup-source;
37			debounce-interval = <20>;
38		};
39
40		key-2 {
41			gpios = <&gpio6 19 GPIO_ACTIVE_LOW>;
42			linux,code = <KEY_2>;
43			label = "SW48";
44			wakeup-source;
45			debounce-interval = <20>;
46		};
47
48		key-3 {
49			gpios = <&gpio6 20 GPIO_ACTIVE_LOW>;
50			linux,code = <KEY_3>;
51			label = "SW49";
52			wakeup-source;
53			debounce-interval = <20>;
54		};
55	};
56
57	leds {
58		compatible = "gpio-leds";
59
60		led-1 {
61			gpios = <&gpio4 18 GPIO_ACTIVE_HIGH>;
62			color = <LED_COLOR_ID_GREEN>;
63			function = LED_FUNCTION_INDICATOR;
64			function-enumerator = <1>;
65		};
66		led-2 {
67			gpios = <&gpio4 19 GPIO_ACTIVE_HIGH>;
68			color = <LED_COLOR_ID_GREEN>;
69			function = LED_FUNCTION_INDICATOR;
70			function-enumerator = <2>;
71		};
72		led-3 {
73			gpios = <&gpio4 20 GPIO_ACTIVE_HIGH>;
74			color = <LED_COLOR_ID_GREEN>;
75			function = LED_FUNCTION_INDICATOR;
76			function-enumerator = <3>;
77		};
78	};
79
80	memory@48000000 {
81		device_type = "memory";
82		/* first 128MB is reserved for secure area. */
83		reg = <0x0 0x48000000 0x0 0x78000000>;
84	};
85
86	memory@500000000 {
87		device_type = "memory";
88		reg = <0x5 0x00000000 0x0 0x80000000>;
89	};
90
91	memory@600000000 {
92		device_type = "memory";
93		reg = <0x6 0x00000000 0x0 0x80000000>;
94	};
95
96	memory@700000000 {
97		device_type = "memory";
98		reg = <0x7 0x00000000 0x0 0x80000000>;
99	};
100
101	reg_1p8v: regulator-1p8v {
102		compatible = "regulator-fixed";
103		regulator-name = "fixed-1.8V";
104		regulator-min-microvolt = <1800000>;
105		regulator-max-microvolt = <1800000>;
106		regulator-boot-on;
107		regulator-always-on;
108	};
109
110	reg_3p3v: regulator-3p3v {
111		compatible = "regulator-fixed";
112		regulator-name = "fixed-3.3V";
113		regulator-min-microvolt = <3300000>;
114		regulator-max-microvolt = <3300000>;
115		regulator-boot-on;
116		regulator-always-on;
117	};
118};
119
120&extal_clk {
121	clock-frequency = <16666666>;
122};
123
124&extalr_clk {
125	clock-frequency = <32768>;
126};
127
128&i2c0 {
129	pinctrl-0 = <&i2c0_pins>;
130	pinctrl-names = "default";
131
132	status = "okay";
133	clock-frequency = <400000>;
134
135	eeprom@50 {
136		compatible = "rohm,br24g01", "atmel,24c01";
137		label = "cpu-board";
138		reg = <0x50>;
139		pagesize = <8>;
140	};
141};
142
143&i2c1 {
144	pinctrl-0 = <&i2c1_pins>;
145	pinctrl-names = "default";
146
147	status = "okay";
148	clock-frequency = <400000>;
149};
150
151&i2c6 {
152	pinctrl-0 = <&i2c6_pins>;
153	pinctrl-names = "default";
154
155	status = "okay";
156	clock-frequency = <400000>;
157};
158
159&mmc0 {
160	pinctrl-0 = <&mmc_pins>;
161	pinctrl-1 = <&mmc_pins>;
162	pinctrl-names = "default", "state_uhs";
163
164	vmmc-supply = <&reg_3p3v>;
165	vqmmc-supply = <&reg_1p8v>;
166	mmc-hs200-1_8v;
167	mmc-hs400-1_8v;
168	bus-width = <8>;
169	no-sd;
170	no-sdio;
171	non-removable;
172	full-pwr-cycle-in-suspend;
173	status = "okay";
174};
175
176&pfc {
177	pinctrl-0 = <&scif_clk_pins>;
178	pinctrl-names = "default";
179
180	i2c0_pins: i2c0 {
181		groups = "i2c0";
182		function = "i2c0";
183	};
184
185	i2c1_pins: i2c1 {
186		groups = "i2c1";
187		function = "i2c1";
188	};
189
190	i2c6_pins: i2c6 {
191		groups = "i2c6";
192		function = "i2c6";
193	};
194
195	keys_pins: keys {
196		pins = "GP_6_18", "GP_6_19", "GP_6_20";
197		bias-pull-up;
198	};
199
200	mmc_pins: mmc {
201		groups = "mmc_data8", "mmc_ctrl", "mmc_ds";
202		function = "mmc";
203		power-source = <1800>;
204	};
205
206	qspi0_pins: qspi0 {
207		groups = "qspi0_ctrl", "qspi0_data4";
208		function = "qspi0";
209	};
210
211	scif0_pins: scif0 {
212		groups = "scif0_data", "scif0_ctrl";
213		function = "scif0";
214	};
215
216	scif_clk_pins: scif_clk {
217		groups = "scif_clk";
218		function = "scif_clk";
219	};
220};
221
222&rpc {
223	pinctrl-0 = <&qspi0_pins>;
224	pinctrl-names = "default";
225
226	status = "okay";
227
228	flash@0 {
229		compatible = "spansion,s25fs512s", "jedec,spi-nor";
230		reg = <0>;
231		spi-max-frequency = <40000000>;
232		spi-rx-bus-width = <4>;
233
234		partitions {
235			compatible = "fixed-partitions";
236			#address-cells = <1>;
237			#size-cells = <1>;
238
239			boot@0 {
240				reg = <0x0 0xcc0000>;
241				read-only;
242			};
243			user@cc0000 {
244				reg = <0xcc0000 0x3340000>;
245			};
246		};
247	};
248};
249
250&rwdt {
251	timeout-sec = <60>;
252	status = "okay";
253};
254
255&scif0 {
256	pinctrl-0 = <&scif0_pins>;
257	pinctrl-names = "default";
258
259	uart-has-rtscts;
260	status = "okay";
261};
262
263&scif_clk {
264	clock-frequency = <24000000>;
265};
266