xref: /openbmc/u-boot/arch/arm/dts/r8a7794-alt.dts (revision fbe502e9)
1// SPDX-License-Identifier: GPL-2.0
2/*
3 * Device Tree Source for the Alt board
4 *
5 * Copyright (C) 2014 Renesas Electronics Corporation
6 */
7
8/dts-v1/;
9#include "r8a7794.dtsi"
10#include <dt-bindings/gpio/gpio.h>
11
12/ {
13	model = "Alt";
14	compatible = "renesas,alt", "renesas,r8a7794";
15
16	aliases {
17		serial0 = &scif2;
18		i2c10 = &gpioi2c4;
19		i2c12 = &i2cexio4;
20	};
21
22	chosen {
23		bootargs = "ignore_loglevel rw root=/dev/nfs ip=dhcp";
24		stdout-path = "serial0:115200n8";
25	};
26
27	memory@40000000 {
28		device_type = "memory";
29		reg = <0 0x40000000 0 0x40000000>;
30	};
31
32	d3_3v: regulator-d3-3v {
33		compatible = "regulator-fixed";
34		regulator-name = "D3.3V";
35		regulator-min-microvolt = <3300000>;
36		regulator-max-microvolt = <3300000>;
37		regulator-boot-on;
38		regulator-always-on;
39	};
40
41	vcc_sdhi0: regulator-vcc-sdhi0 {
42		compatible = "regulator-fixed";
43
44		regulator-name = "SDHI0 Vcc";
45		regulator-min-microvolt = <3300000>;
46		regulator-max-microvolt = <3300000>;
47
48		gpio = <&gpio2 26 GPIO_ACTIVE_HIGH>;
49		enable-active-high;
50	};
51
52	vccq_sdhi0: regulator-vccq-sdhi0 {
53		compatible = "regulator-gpio";
54
55		regulator-name = "SDHI0 VccQ";
56		regulator-min-microvolt = <1800000>;
57		regulator-max-microvolt = <3300000>;
58
59		gpios = <&gpio2 29 GPIO_ACTIVE_HIGH>;
60		gpios-states = <1>;
61		states = <3300000 1
62			  1800000 0>;
63	};
64
65	vcc_sdhi1: regulator-vcc-sdhi1 {
66		compatible = "regulator-fixed";
67
68		regulator-name = "SDHI1 Vcc";
69		regulator-min-microvolt = <3300000>;
70		regulator-max-microvolt = <3300000>;
71
72		gpio = <&gpio4 26 GPIO_ACTIVE_HIGH>;
73		enable-active-high;
74	};
75
76	vccq_sdhi1: regulator-vccq-sdhi1 {
77		compatible = "regulator-gpio";
78
79		regulator-name = "SDHI1 VccQ";
80		regulator-min-microvolt = <1800000>;
81		regulator-max-microvolt = <3300000>;
82
83		gpios = <&gpio4 29 GPIO_ACTIVE_HIGH>;
84		gpios-states = <1>;
85		states = <3300000 1
86			  1800000 0>;
87	};
88
89	lbsc {
90		#address-cells = <1>;
91		#size-cells = <1>;
92	};
93
94	vga-encoder {
95		compatible = "adi,adv7123";
96
97		ports {
98			#address-cells = <1>;
99			#size-cells = <0>;
100
101			port@0 {
102				reg = <0>;
103				adv7123_in: endpoint {
104					remote-endpoint = <&du_out_rgb1>;
105				};
106			};
107			port@1 {
108				reg = <1>;
109				adv7123_out: endpoint {
110					remote-endpoint = <&vga_in>;
111				};
112			};
113		};
114	};
115
116	vga {
117		compatible = "vga-connector";
118
119		port {
120			vga_in: endpoint {
121				remote-endpoint = <&adv7123_out>;
122			};
123		};
124	};
125
126	x2_clk: x2-clock {
127		compatible = "fixed-clock";
128		#clock-cells = <0>;
129		clock-frequency = <74250000>;
130	};
131
132	x13_clk: x13-clock {
133		compatible = "fixed-clock";
134		#clock-cells = <0>;
135		clock-frequency = <148500000>;
136	};
137
138	gpioi2c4: i2c-10 {
139		#address-cells = <1>;
140		#size-cells = <0>;
141		compatible = "i2c-gpio";
142		status = "disabled";
143		gpios = <&gpio4 9 GPIO_ACTIVE_HIGH /* sda */
144			 &gpio4 8 GPIO_ACTIVE_HIGH /* scl */
145			>;
146		i2c-gpio,delay-us = <5>;
147	};
148
149	/*
150	 * I2C4 is routed to EXIO connector B, pins 73 (SCL) + 74 (SDA).
151	 * A fallback to GPIO is provided.
152	 */
153	i2cexio4: i2c-14 {
154		compatible = "i2c-demux-pinctrl";
155		i2c-parent = <&i2c4>, <&gpioi2c4>;
156		i2c-bus-name = "i2c-exio4";
157		#address-cells = <1>;
158		#size-cells = <0>;
159	};
160};
161
162&du {
163	pinctrl-0 = <&du_pins>;
164	pinctrl-names = "default";
165	status = "okay";
166
167	clocks = <&cpg CPG_MOD 724>, <&cpg CPG_MOD 723>,
168		 <&x13_clk>, <&x2_clk>;
169	clock-names = "du.0", "du.1", "dclkin.0", "dclkin.1";
170
171	ports {
172		port@1 {
173			endpoint {
174				remote-endpoint = <&adv7123_in>;
175			};
176		};
177	};
178};
179
180&extal_clk {
181	clock-frequency = <20000000>;
182};
183
184&pfc {
185	pinctrl-0 = <&scif_clk_pins>;
186	pinctrl-names = "default";
187
188	du_pins: du {
189		groups = "du1_rgb666", "du1_sync", "du1_disp", "du1_clk0_out";
190		function = "du1";
191	};
192
193	scif2_pins: scif2 {
194		groups = "scif2_data";
195		function = "scif2";
196	};
197
198	scif_clk_pins: scif_clk {
199		groups = "scif_clk";
200		function = "scif_clk";
201	};
202
203	ether_pins: ether {
204		groups = "eth_link", "eth_mdio", "eth_rmii";
205		function = "eth";
206	};
207
208	phy1_pins: phy1 {
209		groups = "intc_irq8";
210		function = "intc";
211	};
212
213	i2c1_pins: i2c1 {
214		groups = "i2c1";
215		function = "i2c1";
216	};
217
218	i2c4_pins: i2c4 {
219		groups = "i2c4";
220		function = "i2c4";
221	};
222
223	vin0_pins: vin0 {
224		groups = "vin0_data8", "vin0_clk";
225		function = "vin0";
226	};
227
228	mmcif0_pins: mmcif0 {
229		groups = "mmc_data8", "mmc_ctrl";
230		function = "mmc";
231	};
232
233	sdhi0_pins: sd0 {
234		groups = "sdhi0_data4", "sdhi0_ctrl";
235		function = "sdhi0";
236		power-source = <3300>;
237	};
238
239	sdhi0_pins_uhs: sd0_uhs {
240		groups = "sdhi0_data4", "sdhi0_ctrl";
241		function = "sdhi0";
242		power-source = <1800>;
243	};
244
245	sdhi1_pins: sd1 {
246		groups = "sdhi1_data4", "sdhi1_ctrl";
247		function = "sdhi1";
248		power-source = <3300>;
249	};
250
251	sdhi1_pins_uhs: sd1_uhs {
252		groups = "sdhi1_data4", "sdhi1_ctrl";
253		function = "sdhi1";
254		power-source = <1800>;
255	};
256};
257
258&cmt0 {
259	status = "okay";
260};
261
262&pfc {
263	qspi_pins: qspi {
264		groups = "qspi_ctrl", "qspi_data4";
265		function = "qspi";
266	};
267};
268
269&ether {
270	pinctrl-0 = <&ether_pins &phy1_pins>;
271	pinctrl-names = "default";
272
273	phy-handle = <&phy1>;
274	renesas,ether-link-active-low;
275	status = "okay";
276
277	phy1: ethernet-phy@1 {
278		reg = <1>;
279		interrupt-parent = <&irqc0>;
280		interrupts = <8 IRQ_TYPE_LEVEL_LOW>;
281		micrel,led-mode = <1>;
282	};
283};
284
285&mmcif0 {
286	pinctrl-0 = <&mmcif0_pins>;
287	pinctrl-names = "default";
288
289	vmmc-supply = <&d3_3v>;
290	vqmmc-supply = <&d3_3v>;
291	bus-width = <8>;
292	non-removable;
293	status = "okay";
294};
295
296&sdhi0 {
297	pinctrl-0 = <&sdhi0_pins>;
298	pinctrl-1 = <&sdhi0_pins_uhs>;
299	pinctrl-names = "default", "state_uhs";
300
301	vmmc-supply = <&vcc_sdhi0>;
302	vqmmc-supply = <&vccq_sdhi0>;
303	cd-gpios = <&gpio6 6 GPIO_ACTIVE_LOW>;
304	wp-gpios = <&gpio6 7 GPIO_ACTIVE_HIGH>;
305	sd-uhs-sdr50;
306	sd-uhs-sdr104;
307	status = "okay";
308};
309
310&sdhi1 {
311	pinctrl-0 = <&sdhi1_pins>;
312	pinctrl-1 = <&sdhi1_pins_uhs>;
313	pinctrl-names = "default", "state_uhs";
314
315	vmmc-supply = <&vcc_sdhi1>;
316	vqmmc-supply = <&vccq_sdhi1>;
317	cd-gpios = <&gpio6 14 GPIO_ACTIVE_LOW>;
318	wp-gpios = <&gpio6 15 GPIO_ACTIVE_HIGH>;
319	sd-uhs-sdr50;
320	status = "okay";
321};
322
323&i2c1 {
324	pinctrl-0 = <&i2c1_pins>;
325	pinctrl-names = "default";
326
327	status = "okay";
328	clock-frequency = <400000>;
329
330	composite-in@20 {
331		compatible = "adi,adv7180";
332		reg = <0x20>;
333		remote = <&vin0>;
334
335		port {
336			adv7180: endpoint {
337				bus-width = <8>;
338				remote-endpoint = <&vin0ep>;
339			};
340		};
341	};
342};
343
344&i2c4 {
345	pinctrl-0 = <&i2c4_pins>;
346	pinctrl-names = "i2c-exio4";
347};
348
349&vin0 {
350	status = "okay";
351	pinctrl-0 = <&vin0_pins>;
352	pinctrl-names = "default";
353
354	port {
355		#address-cells = <1>;
356		#size-cells = <0>;
357
358		vin0ep: endpoint {
359			remote-endpoint = <&adv7180>;
360			bus-width = <8>;
361		};
362	};
363};
364
365&scif2 {
366	pinctrl-0 = <&scif2_pins>;
367	pinctrl-names = "default";
368
369	status = "okay";
370};
371
372&scif_clk {
373	clock-frequency = <14745600>;
374};
375
376&qspi {
377	pinctrl-0 = <&qspi_pins>;
378	pinctrl-names = "default";
379
380	status = "okay";
381
382	flash@0 {
383		compatible = "spansion,s25fl512s", "jedec,spi-nor";
384		reg = <0>;
385		spi-max-frequency = <30000000>;
386		spi-tx-bus-width = <4>;
387		spi-rx-bus-width = <4>;
388		spi-cpol;
389		spi-cpha;
390		m25p,fast-read;
391
392		partitions {
393			compatible = "fixed-partitions";
394			#address-cells = <1>;
395			#size-cells = <1>;
396
397			partition@0 {
398				label = "loader";
399				reg = <0x00000000 0x00040000>;
400				read-only;
401			};
402			partition@40000 {
403				label = "system";
404				reg = <0x00040000 0x00040000>;
405				read-only;
406			};
407			partition@80000 {
408				label = "user";
409				reg = <0x00080000 0x03f80000>;
410			};
411		};
412	};
413};
414