xref: /openbmc/u-boot/arch/arm/dts/r8a7794-alt.dts (revision d6736689) 
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		i2c9 = &gpioi2c1;
19		i2c10 = &gpioi2c4;
20		i2c11 = &i2chdmi;
21		i2c12 = &i2cexio4;
22	};
23
24	chosen {
25		bootargs = "ignore_loglevel rw root=/dev/nfs ip=dhcp";
26		stdout-path = "serial0:115200n8";
27	};
28
29	memory@40000000 {
30		device_type = "memory";
31		reg = <0 0x40000000 0 0x40000000>;
32	};
33
34	d3_3v: regulator-d3-3v {
35		compatible = "regulator-fixed";
36		regulator-name = "D3.3V";
37		regulator-min-microvolt = <3300000>;
38		regulator-max-microvolt = <3300000>;
39		regulator-boot-on;
40		regulator-always-on;
41	};
42
43	vcc_sdhi0: regulator-vcc-sdhi0 {
44		compatible = "regulator-fixed";
45
46		regulator-name = "SDHI0 Vcc";
47		regulator-min-microvolt = <3300000>;
48		regulator-max-microvolt = <3300000>;
49
50		gpio = <&gpio2 26 GPIO_ACTIVE_HIGH>;
51		enable-active-high;
52	};
53
54	vccq_sdhi0: regulator-vccq-sdhi0 {
55		compatible = "regulator-gpio";
56
57		regulator-name = "SDHI0 VccQ";
58		regulator-min-microvolt = <1800000>;
59		regulator-max-microvolt = <3300000>;
60
61		gpios = <&gpio2 29 GPIO_ACTIVE_HIGH>;
62		gpios-states = <1>;
63		states = <3300000 1
64			  1800000 0>;
65	};
66
67	vcc_sdhi1: regulator-vcc-sdhi1 {
68		compatible = "regulator-fixed";
69
70		regulator-name = "SDHI1 Vcc";
71		regulator-min-microvolt = <3300000>;
72		regulator-max-microvolt = <3300000>;
73
74		gpio = <&gpio4 26 GPIO_ACTIVE_HIGH>;
75		enable-active-high;
76	};
77
78	vccq_sdhi1: regulator-vccq-sdhi1 {
79		compatible = "regulator-gpio";
80
81		regulator-name = "SDHI1 VccQ";
82		regulator-min-microvolt = <1800000>;
83		regulator-max-microvolt = <3300000>;
84
85		gpios = <&gpio4 29 GPIO_ACTIVE_HIGH>;
86		gpios-states = <1>;
87		states = <3300000 1
88			  1800000 0>;
89	};
90
91	lbsc {
92		#address-cells = <1>;
93		#size-cells = <1>;
94	};
95
96	vga-encoder {
97		compatible = "adi,adv7123";
98
99		ports {
100			#address-cells = <1>;
101			#size-cells = <0>;
102
103			port@0 {
104				reg = <0>;
105				adv7123_in: endpoint {
106					remote-endpoint = <&du_out_rgb1>;
107				};
108			};
109			port@1 {
110				reg = <1>;
111				adv7123_out: endpoint {
112					remote-endpoint = <&vga_in>;
113				};
114			};
115		};
116	};
117
118	vga {
119		compatible = "vga-connector";
120
121		port {
122			vga_in: endpoint {
123				remote-endpoint = <&adv7123_out>;
124			};
125		};
126	};
127
128	x2_clk: x2-clock {
129		compatible = "fixed-clock";
130		#clock-cells = <0>;
131		clock-frequency = <74250000>;
132	};
133
134	x13_clk: x13-clock {
135		compatible = "fixed-clock";
136		#clock-cells = <0>;
137		clock-frequency = <148500000>;
138	};
139
140	gpioi2c1: i2c-9 {
141		#address-cells = <1>;
142		#size-cells = <0>;
143		compatible = "i2c-gpio";
144		status = "disabled";
145		scl-gpios = <&gpio4 0 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
146		sda-gpios = <&gpio4 1 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
147	};
148
149	gpioi2c4: i2c-10 {
150		#address-cells = <1>;
151		#size-cells = <0>;
152		compatible = "i2c-gpio";
153		status = "disabled";
154		scl-gpios = <&gpio4 8 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
155		sda-gpios = <&gpio4 9 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
156		i2c-gpio,delay-us = <5>;
157	};
158
159	/*
160	 * A fallback to GPIO is provided for I2C1.
161	 */
162	i2chdmi: i2c-11 {
163		compatible = "i2c-demux-pinctrl";
164		i2c-parent = <&i2c1>, <&gpioi2c1>;
165		i2c-bus-name = "i2c-hdmi";
166		#address-cells = <1>;
167		#size-cells = <0>;
168
169		composite-in@20 {
170			compatible = "adi,adv7180";
171			reg = <0x20>;
172			remote = <&vin0>;
173
174			port {
175				adv7180: endpoint {
176					bus-width = <8>;
177					remote-endpoint = <&vin0ep>;
178				};
179			};
180		};
181	};
182
183	/*
184	 * I2C4 is routed to EXIO connector B, pins 73 (SCL) + 74 (SDA).
185	 * A fallback to GPIO is provided.
186	 */
187	i2cexio4: i2c-14 {
188		compatible = "i2c-demux-pinctrl";
189		i2c-parent = <&i2c4>, <&gpioi2c4>;
190		i2c-bus-name = "i2c-exio4";
191		#address-cells = <1>;
192		#size-cells = <0>;
193	};
194};
195
196&du {
197	pinctrl-0 = <&du_pins>;
198	pinctrl-names = "default";
199	status = "okay";
200
201	clocks = <&cpg CPG_MOD 724>, <&cpg CPG_MOD 723>,
202		 <&x13_clk>, <&x2_clk>;
203	clock-names = "du.0", "du.1", "dclkin.0", "dclkin.1";
204
205	ports {
206		port@1 {
207			endpoint {
208				remote-endpoint = <&adv7123_in>;
209			};
210		};
211	};
212};
213
214&extal_clk {
215	clock-frequency = <20000000>;
216};
217
218&pfc {
219	pinctrl-0 = <&scif_clk_pins>;
220	pinctrl-names = "default";
221
222	du_pins: du {
223		groups = "du1_rgb666", "du1_sync", "du1_disp", "du1_clk0_out";
224		function = "du1";
225	};
226
227	scif2_pins: scif2 {
228		groups = "scif2_data";
229		function = "scif2";
230	};
231
232	scif_clk_pins: scif_clk {
233		groups = "scif_clk";
234		function = "scif_clk";
235	};
236
237	ether_pins: ether {
238		groups = "eth_link", "eth_mdio", "eth_rmii";
239		function = "eth";
240	};
241
242	phy1_pins: phy1 {
243		groups = "intc_irq8";
244		function = "intc";
245	};
246
247	i2c1_pins: i2c1 {
248		groups = "i2c1";
249		function = "i2c1";
250	};
251
252	i2c4_pins: i2c4 {
253		groups = "i2c4";
254		function = "i2c4";
255	};
256
257	vin0_pins: vin0 {
258		groups = "vin0_data8", "vin0_clk";
259		function = "vin0";
260	};
261
262	mmcif0_pins: mmcif0 {
263		groups = "mmc_data8", "mmc_ctrl";
264		function = "mmc";
265	};
266
267	sdhi0_pins: sd0 {
268		groups = "sdhi0_data4", "sdhi0_ctrl";
269		function = "sdhi0";
270		power-source = <3300>;
271	};
272
273	sdhi0_pins_uhs: sd0_uhs {
274		groups = "sdhi0_data4", "sdhi0_ctrl";
275		function = "sdhi0";
276		power-source = <1800>;
277	};
278
279	sdhi1_pins: sd1 {
280		groups = "sdhi1_data4", "sdhi1_ctrl";
281		function = "sdhi1";
282		power-source = <3300>;
283	};
284
285	sdhi1_pins_uhs: sd1_uhs {
286		groups = "sdhi1_data4", "sdhi1_ctrl";
287		function = "sdhi1";
288		power-source = <1800>;
289	};
290};
291
292&cmt0 {
293	status = "okay";
294};
295
296&pfc {
297	qspi_pins: qspi {
298		groups = "qspi_ctrl", "qspi_data4";
299		function = "qspi";
300	};
301};
302
303&ether {
304	pinctrl-0 = <&ether_pins &phy1_pins>;
305	pinctrl-names = "default";
306
307	phy-handle = <&phy1>;
308	renesas,ether-link-active-low;
309	status = "okay";
310
311	phy1: ethernet-phy@1 {
312		reg = <1>;
313		interrupt-parent = <&irqc0>;
314		interrupts = <8 IRQ_TYPE_LEVEL_LOW>;
315		micrel,led-mode = <1>;
316	};
317};
318
319&mmcif0 {
320	pinctrl-0 = <&mmcif0_pins>;
321	pinctrl-names = "default";
322
323	vmmc-supply = <&d3_3v>;
324	vqmmc-supply = <&d3_3v>;
325	bus-width = <8>;
326	non-removable;
327	status = "okay";
328};
329
330&sdhi0 {
331	pinctrl-0 = <&sdhi0_pins>;
332	pinctrl-1 = <&sdhi0_pins_uhs>;
333	pinctrl-names = "default", "state_uhs";
334
335	vmmc-supply = <&vcc_sdhi0>;
336	vqmmc-supply = <&vccq_sdhi0>;
337	cd-gpios = <&gpio6 6 GPIO_ACTIVE_LOW>;
338	wp-gpios = <&gpio6 7 GPIO_ACTIVE_HIGH>;
339	sd-uhs-sdr50;
340	sd-uhs-sdr104;
341	status = "okay";
342};
343
344&sdhi1 {
345	pinctrl-0 = <&sdhi1_pins>;
346	pinctrl-1 = <&sdhi1_pins_uhs>;
347	pinctrl-names = "default", "state_uhs";
348
349	vmmc-supply = <&vcc_sdhi1>;
350	vqmmc-supply = <&vccq_sdhi1>;
351	cd-gpios = <&gpio6 14 GPIO_ACTIVE_LOW>;
352	wp-gpios = <&gpio6 15 GPIO_ACTIVE_HIGH>;
353	sd-uhs-sdr50;
354	status = "okay";
355};
356
357&i2c1 {
358	pinctrl-0 = <&i2c1_pins>;
359	pinctrl-names = "i2c-hdmi";
360
361	clock-frequency = <400000>;
362};
363
364&i2c4 {
365	pinctrl-0 = <&i2c4_pins>;
366	pinctrl-names = "i2c-exio4";
367};
368
369&vin0 {
370	status = "okay";
371	pinctrl-0 = <&vin0_pins>;
372	pinctrl-names = "default";
373
374	port {
375		#address-cells = <1>;
376		#size-cells = <0>;
377
378		vin0ep: endpoint {
379			remote-endpoint = <&adv7180>;
380			bus-width = <8>;
381		};
382	};
383};
384
385&scif2 {
386	pinctrl-0 = <&scif2_pins>;
387	pinctrl-names = "default";
388
389	status = "okay";
390};
391
392&scif_clk {
393	clock-frequency = <14745600>;
394};
395
396&qspi {
397	pinctrl-0 = <&qspi_pins>;
398	pinctrl-names = "default";
399
400	status = "okay";
401
402	flash@0 {
403		compatible = "spansion,s25fl512s", "jedec,spi-nor";
404		reg = <0>;
405		spi-max-frequency = <30000000>;
406		spi-tx-bus-width = <4>;
407		spi-rx-bus-width = <4>;
408		spi-cpol;
409		spi-cpha;
410		m25p,fast-read;
411
412		partitions {
413			compatible = "fixed-partitions";
414			#address-cells = <1>;
415			#size-cells = <1>;
416
417			partition@0 {
418				label = "loader";
419				reg = <0x00000000 0x00040000>;
420				read-only;
421			};
422			partition@40000 {
423				label = "system";
424				reg = <0x00040000 0x00040000>;
425				read-only;
426			};
427			partition@80000 {
428				label = "user";
429				reg = <0x00080000 0x03f80000>;
430			};
431		};
432	};
433};
434