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  1/*
  2 * Device tree file for Phytec phyCORE-RK3288 SoM
  3 * Copyright (C) 2017 PHYTEC Messtechnik GmbH
  4 * Author: Wadim Egorov <w.egorov@phytec.de>
  5 *
  6 * This file is dual-licensed: you can use it either under the terms
  7 * of the GPL or the X11 license, at your option. Note that this dual
  8 * licensing only applies to this file, and not this project as a
  9 * whole.
 10 *
 11 *  a) This file is free software; you can redistribute it and/or
 12 *     modify it under the terms of the GNU General Public License as
 13 *     published by the Free Software Foundation; either version 2 of the
 14 *     License, or (at your option) any later version.
 15 *
 16 *     This file is distributed in the hope that it will be useful,
 17 *     but WITHOUT ANY WARRANTY; without even the implied warranty of
 18 *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 19 *     GNU General Public License for more details.
 20 *
 21 * Or, alternatively,
 22 *
 23 *  b) Permission is hereby granted, free of charge, to any person
 24 *     obtaining a copy of this software and associated documentation
 25 *     files (the "Software"), to deal in the Software without
 26 *     restriction, including without limitation the rights to use,
 27 *     copy, modify, merge, publish, distribute, sublicense, and/or
 28 *     sell copies of the Software, and to permit persons to whom the
 29 *     Software is furnished to do so, subject to the following
 30 *     conditions:
 31 *
 32 *     The above copyright notice and this permission notice shall be
 33 *     included in all copies or substantial portions of the Software.
 34 *
 35 *     THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 36 *     EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
 37 *     OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 38 *     NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
 39 *     HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
 40 *     WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 41 *     FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 42 *     OTHER DEALINGS IN THE SOFTWARE.
 43 */
 44
 45#include <dt-bindings/net/ti-dp83867.h>
 46#include "rk3288.dtsi"
 47
 48/ {
 49	model = "Phytec RK3288 phyCORE";
 50	compatible = "phytec,rk3288-phycore-som", "rockchip,rk3288";
 51
 52	/*
 53	 * Set the minimum memory size here and
 54	 * let the bootloader set the real size.
 55	 */
 56	memory {
 57		device_type = "memory";
 58		reg = <0x0 0x0 0x0 0x8000000>;
 59	};
 60
 61	aliases {
 62		rtc0 = &i2c_rtc;
 63		rtc1 = &rk818;
 64	};
 65
 66	ext_gmac: external-gmac-clock {
 67		compatible = "fixed-clock";
 68		#clock-cells = <0>;
 69		clock-frequency = <125000000>;
 70		clock-output-names = "ext_gmac";
 71	};
 72
 73	leds: user-leds {
 74		compatible = "gpio-leds";
 75		pinctrl-names = "default";
 76		pinctrl-0 = <&user_led>;
 77
 78		user {
 79			label = "green_led";
 80			gpios = <&gpio7 2 GPIO_ACTIVE_HIGH>;
 81			linux,default-trigger = "heartbeat";
 82			default-state = "keep";
 83		};
 84	};
 85
 86	vdd_emmc_io: vdd-emmc-io {
 87		compatible = "regulator-fixed";
 88		regulator-name = "vdd_emmc_io";
 89		regulator-min-microvolt = <1800000>;
 90		regulator-max-microvolt = <1800000>;
 91		vin-supply = <&vdd_3v3_io>;
 92	};
 93
 94	vdd_in_otg_out: vdd-in-otg-out {
 95		compatible = "regulator-fixed";
 96		regulator-name = "vdd_in_otg_out";
 97		regulator-always-on;
 98		regulator-boot-on;
 99		regulator-min-microvolt = <5000000>;
100		regulator-max-microvolt = <5000000>;
101	};
102
103	vdd_misc_1v8: vdd-misc-1v8 {
104		compatible = "regulator-fixed";
105		regulator-name = "vdd_misc_1v8";
106		regulator-always-on;
107		regulator-boot-on;
108		regulator-min-microvolt = <1800000>;
109		regulator-max-microvolt = <1800000>;
110	};
111};
112
113&emmc {
114	status = "okay";
115	bus-width = <8>;
116	cap-mmc-highspeed;
117	disable-wp;
118	non-removable;
119	pinctrl-names = "default";
120	pinctrl-0 = <&emmc_clk &emmc_cmd &emmc_pwr &emmc_bus8>;
121	vmmc-supply = <&vdd_3v3_io>;
122	vqmmc-supply = <&vdd_emmc_io>;
123};
124
125&gmac {
126	assigned-clocks = <&cru SCLK_MAC>;
127	assigned-clock-parents = <&ext_gmac>;
128	clock_in_out = "input";
129	pinctrl-names = "default";
130	pinctrl-0 = <&rgmii_pins &phy_rst &phy_int>;
131	phy-handle = <&phy0>;
132	phy-supply = <&vdd_eth_2v5>;
133	phy-mode = "rgmii-id";
134	snps,reset-active-low;
135	snps,reset-delays-us = <0 10000 1000000>;
136	snps,reset-gpio = <&gpio4 8 GPIO_ACTIVE_HIGH>;
137	tx_delay = <0x0>;
138	rx_delay = <0x0>;
139
140	mdio0 {
141		compatible = "snps,dwmac-mdio";
142		#address-cells = <1>;
143		#size-cells = <0>;
144
145		phy0: ethernet-phy@0 {
146			compatible = "ethernet-phy-ieee802.3-c22";
147			reg = <0>;
148			interrupt-parent = <&gpio4>;
149			interrupts = <2 IRQ_TYPE_EDGE_FALLING>;
150			ti,rx-internal-delay = <DP83867_RGMIIDCTL_2_00_NS>;
151			ti,tx-internal-delay = <DP83867_RGMIIDCTL_2_00_NS>;
152			ti,fifo-depth = <DP83867_PHYCR_FIFO_DEPTH_4_B_NIB>;
153			enet-phy-lane-no-swap;
154		};
155	};
156};
157
158&hdmi {
159	ddc-i2c-bus = <&i2c5>;
160};
161
162&io_domains {
163	status = "okay";
164	sdcard-supply = <&vdd_io_sd>;
165	flash0-supply = <&vdd_emmc_io>;
166	flash1-supply = <&vdd_misc_1v8>;
167	gpio1830-supply = <&vdd_3v3_io>;
168	gpio30-supply = <&vdd_3v3_io>;
169	bb-supply = <&vdd_3v3_io>;
170	dvp-supply = <&vdd_3v3_io>;
171	lcdc-supply = <&vdd_3v3_io>;
172	wifi-supply = <&vdd_3v3_io>;
173	audio-supply = <&vdd_3v3_io>;
174};
175
176&i2c0 {
177	status = "okay";
178	clock-frequency = <400000>;
179
180	rk818: pmic@1c {
181		compatible = "rockchip,rk818";
182		reg = <0x1c>;
183		interrupt-parent = <&gpio0>;
184		interrupts = <4 IRQ_TYPE_LEVEL_LOW>;
185		pinctrl-names = "default";
186		pinctrl-0 = <&pmic_int>;
187		rockchip,system-power-controller;
188		wakeup-source;
189		#clock-cells = <1>;
190
191		vcc1-supply = <&vdd_sys>;
192		vcc2-supply = <&vdd_sys>;
193		vcc3-supply = <&vdd_sys>;
194		vcc4-supply = <&vdd_sys>;
195		boost-supply = <&vdd_in_otg_out>;
196		vcc6-supply = <&vdd_sys>;
197		vcc7-supply = <&vdd_misc_1v8>;
198		vcc8-supply = <&vdd_misc_1v8>;
199		vcc9-supply = <&vdd_3v3_io>;
200		vddio-supply = <&vdd_3v3_io>;
201
202		regulators {
203			vdd_log: DCDC_REG1 {
204				regulator-name = "vdd_log";
205				regulator-always-on;
206				regulator-boot-on;
207				regulator-min-microvolt = <1100000>;
208				regulator-max-microvolt = <1100000>;
209				regulator-state-mem {
210					regulator-off-in-suspend;
211				};
212			};
213
214			vdd_gpu: DCDC_REG2 {
215				regulator-name = "vdd_gpu";
216				regulator-always-on;
217				regulator-boot-on;
218				regulator-min-microvolt = <800000>;
219				regulator-max-microvolt = <1250000>;
220				regulator-state-mem {
221					regulator-on-in-suspend;
222					regulator-suspend-microvolt = <1000000>;
223				};
224			};
225
226			vcc_ddr: DCDC_REG3 {
227				regulator-name = "vcc_ddr";
228				regulator-always-on;
229				regulator-boot-on;
230				regulator-state-mem {
231					regulator-on-in-suspend;
232				};
233			};
234
235			vdd_3v3_io: DCDC_REG4 {
236				regulator-name = "vdd_3v3_io";
237				regulator-always-on;
238				regulator-boot-on;
239				regulator-min-microvolt = <3300000>;
240				regulator-max-microvolt = <3300000>;
241				regulator-state-mem {
242					regulator-on-in-suspend;
243					regulator-suspend-microvolt = <3300000>;
244				};
245			};
246
247			vdd_sys: DCDC_BOOST {
248				regulator-name = "vdd_sys";
249				regulator-always-on;
250				regulator-boot-on;
251				regulator-min-microvolt = <5000000>;
252				regulator-max-microvolt = <5000000>;
253				regulator-state-mem {
254					regulator-on-in-suspend;
255					regulator-suspend-microvolt = <5000000>;
256				};
257			};
258
259			/* vcc9 */
260			vdd_sd: SWITCH_REG {
261				regulator-name = "vdd_sd";
262				regulator-always-on;
263				regulator-boot-on;
264				regulator-state-mem {
265					regulator-off-in-suspend;
266				};
267			};
268
269			/* vcc6 */
270			vdd_eth_2v5: LDO_REG2 {
271				regulator-name = "vdd_eth_2v5";
272				regulator-always-on;
273				regulator-boot-on;
274				regulator-min-microvolt = <2500000>;
275				regulator-max-microvolt = <2500000>;
276				regulator-state-mem {
277					regulator-on-in-suspend;
278					regulator-suspend-microvolt = <2500000>;
279				};
280			};
281
282			/* vcc7 */
283			vdd_1v0: LDO_REG3 {
284				regulator-name = "vdd_1v0";
285				regulator-always-on;
286				regulator-boot-on;
287				regulator-min-microvolt = <1000000>;
288				regulator-max-microvolt = <1000000>;
289				regulator-state-mem {
290					regulator-on-in-suspend;
291					regulator-suspend-microvolt = <1000000>;
292				};
293			};
294
295			/* vcc8 */
296			vdd_1v8_lcd_ldo: LDO_REG4 {
297				regulator-name = "vdd_1v8_lcd_ldo";
298				regulator-always-on;
299				regulator-boot-on;
300				regulator-min-microvolt = <1800000>;
301				regulator-max-microvolt = <1800000>;
302				regulator-state-mem {
303					regulator-on-in-suspend;
304					regulator-suspend-microvolt = <1800000>;
305				};
306			};
307
308			/* vcc8 */
309			vdd_1v0_lcd: LDO_REG6 {
310				regulator-name = "vdd_1v0_lcd";
311				regulator-always-on;
312				regulator-boot-on;
313				regulator-min-microvolt = <1000000>;
314				regulator-max-microvolt = <1000000>;
315				regulator-state-mem {
316					regulator-on-in-suspend;
317					regulator-suspend-microvolt = <1000000>;
318				};
319			};
320
321			/* vcc7 */
322			vdd_1v8_ldo: LDO_REG7 {
323				regulator-name = "vdd_1v8_ldo";
324				regulator-always-on;
325				regulator-boot-on;
326				regulator-min-microvolt = <1800000>;
327				regulator-max-microvolt = <1800000>;
328				regulator-state-mem {
329					regulator-off-in-suspend;
330					regulator-suspend-microvolt = <1800000>;
331				};
332			};
333
334			/* vcc9 */
335			vdd_io_sd: LDO_REG9 {
336				regulator-name = "vdd_io_sd";
337				regulator-always-on;
338				regulator-boot-on;
339				regulator-min-microvolt = <1800000>;
340				regulator-max-microvolt = <3300000>;
341				regulator-state-mem {
342					regulator-off-in-suspend;
343				};
344			};
345		};
346	};
347
348	/* M24C32-D */
349	i2c_eeprom: eeprom@50 {
350		compatible = "atmel,24c32";
351		reg = <0x50>;
352		pagesize = <32>;
353	};
354
355	vdd_cpu: regulator@60 {
356		compatible = "fcs,fan53555";
357		reg = <0x60>;
358		fcs,suspend-voltage-selector = <1>;
359		regulator-always-on;
360		regulator-boot-on;
361		regulator-enable-ramp-delay = <300>;
362		regulator-name = "vdd_cpu";
363		regulator-min-microvolt = <800000>;
364		regulator-max-microvolt = <1430000>;
365		regulator-ramp-delay = <8000>;
366		vin-supply = <&vdd_sys>;
367	};
368};
369
370&pinctrl {
371	pcfg_output_high: pcfg-output-high {
372		output-high;
373	};
374
375	emmc {
376		/*
377		 * We run eMMC at max speed; bump up drive strength.
378		 * We also have external pulls, so disable the internal ones.
379		 */
380		emmc_clk: emmc-clk {
381			rockchip,pins = <3 18 RK_FUNC_2 &pcfg_pull_none_12ma>;
382		};
383
384		emmc_cmd: emmc-cmd {
385			rockchip,pins = <3 16 RK_FUNC_2 &pcfg_pull_none_12ma>;
386		};
387
388		emmc_bus8: emmc-bus8 {
389			rockchip,pins = <3 0 RK_FUNC_2 &pcfg_pull_none_12ma>,
390					<3 1 RK_FUNC_2 &pcfg_pull_none_12ma>,
391					<3 2 RK_FUNC_2 &pcfg_pull_none_12ma>,
392					<3 3 RK_FUNC_2 &pcfg_pull_none_12ma>,
393					<3 4 RK_FUNC_2 &pcfg_pull_none_12ma>,
394					<3 5 RK_FUNC_2 &pcfg_pull_none_12ma>,
395					<3 6 RK_FUNC_2 &pcfg_pull_none_12ma>,
396					<3 7 RK_FUNC_2 &pcfg_pull_none_12ma>;
397		};
398	};
399
400	gmac {
401		phy_int: phy-int {
402			rockchip,pins = <4 2 RK_FUNC_GPIO &pcfg_pull_up>;
403		};
404
405		phy_rst: phy-rst {
406			rockchip,pins = <4 8 RK_FUNC_GPIO &pcfg_output_high>;
407		};
408	};
409
410	leds {
411		user_led: user-led {
412			rockchip,pins = <7 2 RK_FUNC_GPIO &pcfg_output_high>;
413		};
414	};
415
416	pmic {
417		pmic_int: pmic-int {
418			rockchip,pins = <RK_GPIO0 4 RK_FUNC_GPIO &pcfg_pull_up>;
419		};
420
421		/* Pin for switching state between sleep and non-sleep state */
422		pmic_sleep: pmic-sleep {
423			rockchip,pins = <RK_GPIO0 0 RK_FUNC_GPIO &pcfg_pull_up>;
424		};
425	};
426};
427
428&pwm1 {
429	status = "okay";
430};
431
432&saradc {
433	status = "okay";
434	vref-supply = <&vdd_1v8_ldo>;
435};
436
437&spi2 {
438	status = "okay";
439
440	serial_flash: flash@0 {
441		compatible = "micron,n25q128a13", "jedec,spi-nor";
442		reg = <0x0>;
443		spi-max-frequency = <50000000>;
444		m25p,fast-read;
445		#address-cells = <1>;
446		#size-cells = <1>;
447		status = "okay";
448	};
449};
450
451&tsadc {
452	status = "okay";
453	rockchip,hw-tshut-mode = <0>;
454	rockchip,hw-tshut-polarity = <0>;
455};
456
457&vopb {
458	status = "okay";
459};
460
461&vopb_mmu {
462	status = "okay";
463};
464
465&vopl {
466	status = "okay";
467};
468
469&vopl_mmu {
470	status = "okay";
471};
472
473&wdt {
474	status = "okay";
475};