1/* SPDX-License-Identifier: (GPL-2.0-or-later OR BSD-3-Clause) */
  2/*
  3 * Copyright (C) 2020 STMicroelectronics - All Rights Reserved
  4 * Copyright (C) 2020 Ahmad Fatoum, Pengutronix
  5 */
  6
  7#include "stm32mp15-pinctrl.dtsi"
  8
  9#include <dt-bindings/mfd/st,stpmic1.h>
 10
 11/ {
 12	reserved-memory {
 13		#address-cells = <1>;
 14		#size-cells = <1>;
 15		ranges;
 16
 17		mcuram2: mcuram2@10000000 {
 18			compatible = "shared-dma-pool";
 19			reg = <0x10000000 0x40000>;
 20			no-map;
 21		};
 22
 23		vdev0vring0: vdev0vring0@10040000 {
 24			compatible = "shared-dma-pool";
 25			reg = <0x10040000 0x1000>;
 26			no-map;
 27		};
 28
 29		vdev0vring1: vdev0vring1@10041000 {
 30			compatible = "shared-dma-pool";
 31			reg = <0x10041000 0x1000>;
 32			no-map;
 33		};
 34
 35		vdev0buffer: vdev0buffer@10042000 {
 36			compatible = "shared-dma-pool";
 37			reg = <0x10042000 0x4000>;
 38			no-map;
 39		};
 40
 41		mcuram: mcuram@30000000 {
 42			compatible = "shared-dma-pool";
 43			reg = <0x30000000 0x40000>;
 44			no-map;
 45		};
 46
 47		retram: retram@38000000 {
 48			compatible = "shared-dma-pool";
 49			reg = <0x38000000 0x10000>;
 50			no-map;
 51		};
 52	};
 53
 54	reg_sip_eeprom: regulator_eeprom {
 55		compatible = "regulator-fixed";
 56		regulator-name = "sip_eeprom";
 57		regulator-always-on;
 58	};
 59};
 60
 61&i2c4 {
 62	pinctrl-names = "default", "sleep";
 63	pinctrl-0 = <&i2c4_pins_a>;
 64	pinctrl-1 = <&i2c4_sleep_pins_a>;
 65	clock-frequency = <400000>;
 66	i2c-scl-rising-time-ns = <185>;
 67	i2c-scl-falling-time-ns = <20>;
 68	status = "okay";
 69
 70	pmic: stpmic@33 {
 71		compatible = "st,stpmic1";
 72		reg = <0x33>;
 73		interrupts-extended = <&gpioa 0 IRQ_TYPE_EDGE_FALLING>;
 74		interrupt-controller;
 75		#interrupt-cells = <2>;
 76
 77		regulators {
 78			compatible = "st,stpmic1-regulators";
 79
 80			ldo1-supply = <&v3v3>;
 81			ldo6-supply = <&v3v3>;
 82			pwr_sw1-supply = <&bst_out>;
 83
 84			vddcore: buck1 {
 85				regulator-name = "vddcore";
 86				regulator-min-microvolt = <1200000>;
 87				regulator-max-microvolt = <1350000>;
 88				regulator-always-on;
 89				regulator-initial-mode = <0>;
 90				regulator-over-current-protection;
 91			};
 92
 93			vdd_ddr: buck2 {
 94				regulator-name = "vdd_ddr";
 95				regulator-min-microvolt = <1350000>;
 96				regulator-max-microvolt = <1350000>;
 97				regulator-always-on;
 98				regulator-initial-mode = <0>;
 99				regulator-over-current-protection;
100			};
101
102			vdd: buck3 {
103				regulator-name = "vdd";
104				regulator-min-microvolt = <3300000>;
105				regulator-max-microvolt = <3300000>;
106				regulator-always-on;
107				st,mask-reset;
108				regulator-initial-mode = <0>;
109				regulator-over-current-protection;
110			};
111
112			v3v3: buck4 {
113				regulator-name = "v3v3";
114				regulator-min-microvolt = <3300000>;
115				regulator-max-microvolt = <3300000>;
116				regulator-always-on;
117				regulator-over-current-protection;
118				regulator-initial-mode = <0>;
119			};
120
121			v1v8_audio: ldo1 {
122				regulator-name = "v1v8_audio";
123				regulator-min-microvolt = <1800000>;
124				regulator-max-microvolt = <1800000>;
125				regulator-always-on;
126				interrupts = <IT_CURLIM_LDO1 0>;
127
128			};
129
130			v3v3_hdmi: ldo2 {
131				regulator-name = "v3v3_hdmi";
132				regulator-min-microvolt = <3300000>;
133				regulator-max-microvolt = <3300000>;
134				regulator-always-on;
135				interrupts = <IT_CURLIM_LDO2 0>;
136
137			};
138
139			vtt_ddr: ldo3 {
140				regulator-name = "vtt_ddr";
141				regulator-min-microvolt = <500000>;
142				regulator-max-microvolt = <750000>;
143				regulator-always-on;
144				regulator-over-current-protection;
145			};
146
147			vdd_usb: ldo4 {
148				regulator-name = "vdd_usb";
149				interrupts = <IT_CURLIM_LDO4 0>;
150			};
151
152			vdda: ldo5 {
153				regulator-name = "vdda";
154				regulator-min-microvolt = <2900000>;
155				regulator-max-microvolt = <2900000>;
156				interrupts = <IT_CURLIM_LDO5 0>;
157				regulator-boot-on;
158			};
159
160			v1v2_hdmi: ldo6 {
161				regulator-name = "v1v2_hdmi";
162				regulator-min-microvolt = <1200000>;
163				regulator-max-microvolt = <1200000>;
164				regulator-always-on;
165				interrupts = <IT_CURLIM_LDO6 0>;
166
167			};
168
169			vref_ddr: vref_ddr {
170				regulator-name = "vref_ddr";
171				regulator-always-on;
172			};
173
174			bst_out: boost {
175				regulator-name = "bst_out";
176				interrupts = <IT_OCP_BOOST 0>;
177			};
178
179			vbus_otg: pwr_sw1 {
180				regulator-name = "vbus_otg";
181				interrupts = <IT_OCP_OTG 0>;
182				regulator-active-discharge = <1>;
183			};
184
185			vbus_sw: pwr_sw2 {
186				regulator-name = "vbus_sw";
187				interrupts = <IT_OCP_SWOUT 0>;
188				regulator-active-discharge = <1>;
189			};
190		};
191
192		onkey {
193			compatible = "st,stpmic1-onkey";
194			interrupts = <IT_PONKEY_F 0>, <IT_PONKEY_R 1>;
195			interrupt-names = "onkey-falling", "onkey-rising";
196		};
197
198		pmic_watchdog: watchdog {
199			compatible = "st,stpmic1-wdt";
200			status = "disabled";
201		};
202	};
203
204	sip_eeprom: eeprom@50 {
205		compatible = "atmel,24c32";
206		vcc-supply = <&reg_sip_eeprom>;
207		reg = <0x50>;
208	};
209};
210
211&ipcc {
212	status = "okay";
213};
214
215&m4_rproc {
216	memory-region = <&retram>, <&mcuram>, <&mcuram2>, <&vdev0vring0>,
217			<&vdev0vring1>, <&vdev0buffer>;
218	mboxes = <&ipcc 0>, <&ipcc 1>, <&ipcc 2>;
219	mbox-names = "vq0", "vq1", "shutdown";
220	interrupt-parent = <&exti>;
221	interrupts = <68 1>;
222	status = "okay";
223};
224
225&rng1 {
226	status = "okay";
227};